Mercurial > trustbridge > nss-cmake-static

annotate nspr/pr/src/io/prlayer.c @ 0:1e5118fa0cb1

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This is NSS with a Cmake Buildsyste To compile a static NSS library for Windows we've used the Chromium-NSS fork and added a Cmake buildsystem to compile it statically for Windows. See README.chromium for chromium changes and README.trustbridge for our modifications.
author Andre Heinecke <andre.heinecke@intevation.de>
date Mon, 28 Jul 2014 10:47:06 +0200
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0
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1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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2 /* This Source Code Form is subject to the terms of the Mozilla Public
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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5
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6 /*
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7 ** File: prlayer.c
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8 ** Description: Routines for handling pushable protocol modules on sockets.
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9 */
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10
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11 #include "primpl.h"
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12 #include "prerror.h"
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13 #include "prmem.h"
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14 #include "prlock.h"
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15 #include "prlog.h"
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16 #include "prio.h"
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17
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18 #include <string.h> /* for memset() */
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19 static PRStatus _PR_DestroyIOLayer(PRFileDesc *stack);
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20
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21 void PR_CALLBACK pl_FDDestructor(PRFileDesc *fd)
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22 {
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23 PR_ASSERT(fd != NULL);
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24 if (NULL != fd->lower) fd->lower->higher = fd->higher;
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25 if (NULL != fd->higher) fd->higher->lower = fd->lower;
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26 PR_DELETE(fd);
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27 }
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28
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29 /*
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30 ** Default methods that just call down to the next fd.
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31 */
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32 static PRStatus PR_CALLBACK pl_TopClose (PRFileDesc *fd)
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33 {
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34 PRFileDesc *top, *lower;
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35 PRStatus rv;
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36
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37 PR_ASSERT(fd != NULL);
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38 PR_ASSERT(fd->lower != NULL);
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39 PR_ASSERT(fd->secret == NULL);
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40 PR_ASSERT(fd->methods->file_type == PR_DESC_LAYERED);
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41
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42 if (PR_IO_LAYER_HEAD == fd->identity) {
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43 /*
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44 * new style stack; close all the layers, before deleting the
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45 * stack head
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46 */
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47 rv = fd->lower->methods->close(fd->lower);
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48 _PR_DestroyIOLayer(fd);
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49 return rv;
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50 } else if ((fd->higher) && (PR_IO_LAYER_HEAD == fd->higher->identity)) {
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51 /*
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52 * lower layers of new style stack
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53 */
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54 lower = fd->lower;
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55 /*
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56 * pop and cleanup current layer
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57 */
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58 top = PR_PopIOLayer(fd->higher, PR_TOP_IO_LAYER);
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59 top->dtor(top);
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60 /*
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61 * then call lower layer
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62 */
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63 return (lower->methods->close(lower));
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64 } else {
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65 /* old style stack */
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66 top = PR_PopIOLayer(fd, PR_TOP_IO_LAYER);
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67 top->dtor(top);
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68 return (fd->methods->close)(fd);
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69 }
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70 }
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71
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72 static PRInt32 PR_CALLBACK pl_DefRead (PRFileDesc *fd, void *buf, PRInt32 amount)
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73 {
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74 PR_ASSERT(fd != NULL);
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75 PR_ASSERT(fd->lower != NULL);
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76
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77 return (fd->lower->methods->read)(fd->lower, buf, amount);
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78 }
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79
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80 static PRInt32 PR_CALLBACK pl_DefWrite (
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81 PRFileDesc *fd, const void *buf, PRInt32 amount)
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82 {
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83 PR_ASSERT(fd != NULL);
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84 PR_ASSERT(fd->lower != NULL);
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85
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86 return (fd->lower->methods->write)(fd->lower, buf, amount);
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87 }
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88
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89 static PRInt32 PR_CALLBACK pl_DefAvailable (PRFileDesc *fd)
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90 {
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91 PR_ASSERT(fd != NULL);
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92 PR_ASSERT(fd->lower != NULL);
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93
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94 return (fd->lower->methods->available)(fd->lower);
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95 }
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96
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97 static PRInt64 PR_CALLBACK pl_DefAvailable64 (PRFileDesc *fd)
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98 {
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99 PR_ASSERT(fd != NULL);
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100 PR_ASSERT(fd->lower != NULL);
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101
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102 return (fd->lower->methods->available64)(fd->lower);
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103 }
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104
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105 static PRStatus PR_CALLBACK pl_DefFsync (PRFileDesc *fd)
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106 {
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107 PR_ASSERT(fd != NULL);
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108 PR_ASSERT(fd->lower != NULL);
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109
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110 return (fd->lower->methods->fsync)(fd->lower);
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111 }
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112
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113 static PRInt32 PR_CALLBACK pl_DefSeek (
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114 PRFileDesc *fd, PRInt32 offset, PRSeekWhence how)
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115 {
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116 PR_ASSERT(fd != NULL);
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117 PR_ASSERT(fd->lower != NULL);
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118
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119 return (fd->lower->methods->seek)(fd->lower, offset, how);
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120 }
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121
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122 static PRInt64 PR_CALLBACK pl_DefSeek64 (
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123 PRFileDesc *fd, PRInt64 offset, PRSeekWhence how)
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124 {
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125 PR_ASSERT(fd != NULL);
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126 PR_ASSERT(fd->lower != NULL);
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127
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128 return (fd->lower->methods->seek64)(fd->lower, offset, how);
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129 }
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130
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131 static PRStatus PR_CALLBACK pl_DefFileInfo (PRFileDesc *fd, PRFileInfo *info)
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132 {
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133 PR_ASSERT(fd != NULL);
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134 PR_ASSERT(fd->lower != NULL);
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135
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136 return (fd->lower->methods->fileInfo)(fd->lower, info);
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137 }
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138
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139 static PRStatus PR_CALLBACK pl_DefFileInfo64 (PRFileDesc *fd, PRFileInfo64 *info)
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140 {
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141 PR_ASSERT(fd != NULL);
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142 PR_ASSERT(fd->lower != NULL);
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143
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144 return (fd->lower->methods->fileInfo64)(fd->lower, info);
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145 }
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146
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147 static PRInt32 PR_CALLBACK pl_DefWritev (PRFileDesc *fd, const PRIOVec *iov,
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148 PRInt32 size, PRIntervalTime timeout)
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149 {
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150 PR_ASSERT(fd != NULL);
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151 PR_ASSERT(fd->lower != NULL);
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152
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153 return (fd->lower->methods->writev)(fd->lower, iov, size, timeout);
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154 }
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155
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156 static PRStatus PR_CALLBACK pl_DefConnect (
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157 PRFileDesc *fd, const PRNetAddr *addr, PRIntervalTime timeout)
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158 {
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159 PR_ASSERT(fd != NULL);
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160 PR_ASSERT(fd->lower != NULL);
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161
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162 return (fd->lower->methods->connect)(fd->lower, addr, timeout);
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163 }
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164
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165 static PRStatus PR_CALLBACK pl_DefConnectcontinue (
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166 PRFileDesc *fd, PRInt16 out_flags)
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167 {
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168 PR_ASSERT(fd != NULL);
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169 PR_ASSERT(fd->lower != NULL);
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170
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171 return (fd->lower->methods->connectcontinue)(fd->lower, out_flags);
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172 }
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173
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174 static PRFileDesc* PR_CALLBACK pl_TopAccept (
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175 PRFileDesc *fd, PRNetAddr *addr, PRIntervalTime timeout)
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176 {
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177 PRStatus rv;
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178 PRFileDesc *newfd, *layer = fd;
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179 PRFileDesc *newstack;
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180 PRBool newstyle_stack = PR_FALSE;
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181
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182 PR_ASSERT(fd != NULL);
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183 PR_ASSERT(fd->lower != NULL);
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184
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185 /* test for new style stack */
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186 while (NULL != layer->higher)
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187 layer = layer->higher;
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188 newstyle_stack = (PR_IO_LAYER_HEAD == layer->identity) ? PR_TRUE : PR_FALSE;
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189 newstack = PR_NEW(PRFileDesc);
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190 if (NULL == newstack)
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191 {
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192 PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
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193 return NULL;
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194 }
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195 *newstack = *fd; /* make a copy of the accepting layer */
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196
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197 newfd = (fd->lower->methods->accept)(fd->lower, addr, timeout);
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198 if (NULL == newfd)
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199 {
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200 PR_DELETE(newstack);
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201 return NULL;
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202 }
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203
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204 if (newstyle_stack) {
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205 newstack->lower = newfd;
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206 newfd->higher = newstack;
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207 return newstack;
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208 } else {
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209 /* this PR_PushIOLayer call cannot fail */
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210 rv = PR_PushIOLayer(newfd, PR_TOP_IO_LAYER, newstack);
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211 PR_ASSERT(PR_SUCCESS == rv);
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212 return newfd; /* that's it */
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213 }
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214 }
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diff changeset
215
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216 static PRStatus PR_CALLBACK pl_DefBind (PRFileDesc *fd, const PRNetAddr *addr)
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217 {
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218 PR_ASSERT(fd != NULL);
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219 PR_ASSERT(fd->lower != NULL);
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220
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221 return (fd->lower->methods->bind)(fd->lower, addr);
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222 }
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223
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224 static PRStatus PR_CALLBACK pl_DefListen (PRFileDesc *fd, PRIntn backlog)
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225 {
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226 PR_ASSERT(fd != NULL);
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227 PR_ASSERT(fd->lower != NULL);
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228
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229 return (fd->lower->methods->listen)(fd->lower, backlog);
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230 }
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231
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232 static PRStatus PR_CALLBACK pl_DefShutdown (PRFileDesc *fd, PRIntn how)
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233 {
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234 PR_ASSERT(fd != NULL);
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235 PR_ASSERT(fd->lower != NULL);
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diff changeset
236
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237 return (fd->lower->methods->shutdown)(fd->lower, how);
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238 }
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239
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240 static PRInt32 PR_CALLBACK pl_DefRecv (
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241 PRFileDesc *fd, void *buf, PRInt32 amount,
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242 PRIntn flags, PRIntervalTime timeout)
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diff changeset
243 {
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244 PR_ASSERT(fd != NULL);
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245 PR_ASSERT(fd->lower != NULL);
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diff changeset
246
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247 return (fd->lower->methods->recv)(
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
248 fd->lower, buf, amount, flags, timeout);
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249 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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250
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diff changeset
251 static PRInt32 PR_CALLBACK pl_DefSend (
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252 PRFileDesc *fd, const void *buf,
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253 PRInt32 amount, PRIntn flags, PRIntervalTime timeout)
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diff changeset
254 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
255 PR_ASSERT(fd != NULL);
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diff changeset
256 PR_ASSERT(fd->lower != NULL);
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diff changeset
257
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258 return (fd->lower->methods->send)(fd->lower, buf, amount, flags, timeout);
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259 }
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260
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261 static PRInt32 PR_CALLBACK pl_DefRecvfrom (
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262 PRFileDesc *fd, void *buf, PRInt32 amount,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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263 PRIntn flags, PRNetAddr *addr, PRIntervalTime timeout)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
264 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
265 PR_ASSERT(fd != NULL);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
266 PR_ASSERT(fd->lower != NULL);
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267
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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268 return (fd->lower->methods->recvfrom)(
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diff changeset
269 fd->lower, buf, amount, flags, addr, timeout);
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270 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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271
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
272 static PRInt32 PR_CALLBACK pl_DefSendto (
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273 PRFileDesc *fd, const void *buf, PRInt32 amount, PRIntn flags,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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274 const PRNetAddr *addr, PRIntervalTime timeout)
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275 {
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276 PR_ASSERT(fd != NULL);
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diff changeset
277 PR_ASSERT(fd->lower != NULL);
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diff changeset
278
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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279 return (fd->lower->methods->sendto)(
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diff changeset
280 fd->lower, buf, amount, flags, addr, timeout);
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281 }
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282
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diff changeset
283 static PRInt16 PR_CALLBACK pl_DefPoll (
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
284 PRFileDesc *fd, PRInt16 in_flags, PRInt16 *out_flags)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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285 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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286 PR_ASSERT(fd != NULL);
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287 PR_ASSERT(fd->lower != NULL);
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diff changeset
288
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289 return (fd->lower->methods->poll)(fd->lower, in_flags, out_flags);
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290 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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291
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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292 static PRInt32 PR_CALLBACK pl_DefAcceptread (
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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293 PRFileDesc *sd, PRFileDesc **nd, PRNetAddr **raddr, void *buf,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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294 PRInt32 amount, PRIntervalTime t)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
295 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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296 PRInt32 nbytes;
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297 PRStatus rv;
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298 PRFileDesc *newstack;
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299 PRFileDesc *layer = sd;
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300 PRBool newstyle_stack = PR_FALSE;
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diff changeset
301
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302 PR_ASSERT(sd != NULL);
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303 PR_ASSERT(sd->lower != NULL);
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304
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305 /* test for new style stack */
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306 while (NULL != layer->higher)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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307 layer = layer->higher;
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diff changeset
308 newstyle_stack = (PR_IO_LAYER_HEAD == layer->identity) ? PR_TRUE : PR_FALSE;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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309 newstack = PR_NEW(PRFileDesc);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
310 if (NULL == newstack)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
311 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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312 PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
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313 return -1;
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diff changeset
314 }
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315 *newstack = *sd; /* make a copy of the accepting layer */
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316
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diff changeset
317 nbytes = sd->lower->methods->acceptread(
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diff changeset
318 sd->lower, nd, raddr, buf, amount, t);
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319 if (-1 == nbytes)
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diff changeset
320 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
321 PR_DELETE(newstack);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
322 return nbytes;
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diff changeset
323 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
324 if (newstyle_stack) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
325 newstack->lower = *nd;
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diff changeset
326 (*nd)->higher = newstack;
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diff changeset
327 *nd = newstack;
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328 return nbytes;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
329 } else {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
330 /* this PR_PushIOLayer call cannot fail */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
331 rv = PR_PushIOLayer(*nd, PR_TOP_IO_LAYER, newstack);
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332 PR_ASSERT(PR_SUCCESS == rv);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
333 return nbytes;
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diff changeset
334 }
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diff changeset
335 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
336
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diff changeset
337 static PRInt32 PR_CALLBACK pl_DefTransmitfile (
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338 PRFileDesc *sd, PRFileDesc *fd, const void *headers, PRInt32 hlen,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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339 PRTransmitFileFlags flags, PRIntervalTime t)
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diff changeset
340 {
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341 PR_ASSERT(sd != NULL);
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342 PR_ASSERT(sd->lower != NULL);
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diff changeset
343
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344 return sd->lower->methods->transmitfile(
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345 sd->lower, fd, headers, hlen, flags, t);
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346 }
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diff changeset
347
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
348 static PRStatus PR_CALLBACK pl_DefGetsockname (PRFileDesc *fd, PRNetAddr *addr)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
349 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
350 PR_ASSERT(fd != NULL);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
351 PR_ASSERT(fd->lower != NULL);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
352
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
353 return (fd->lower->methods->getsockname)(fd->lower, addr);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
354 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
355
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
356 static PRStatus PR_CALLBACK pl_DefGetpeername (PRFileDesc *fd, PRNetAddr *addr)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
357 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
358 PR_ASSERT(fd != NULL);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
359 PR_ASSERT(fd->lower != NULL);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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diff changeset
360
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
361 return (fd->lower->methods->getpeername)(fd->lower, addr);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
362 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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parents:
diff changeset
363
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
364 static PRStatus PR_CALLBACK pl_DefGetsocketoption (
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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parents:
diff changeset
365 PRFileDesc *fd, PRSocketOptionData *data)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
366 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
367 PR_ASSERT(fd != NULL);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
368 PR_ASSERT(fd->lower != NULL);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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parents:
diff changeset
369
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
370 return (fd->lower->methods->getsocketoption)(fd->lower, data);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
371 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
372
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
373 static PRStatus PR_CALLBACK pl_DefSetsocketoption (
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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parents:
diff changeset
374 PRFileDesc *fd, const PRSocketOptionData *data)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
375 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
376 PR_ASSERT(fd != NULL);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
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parents:
diff changeset
377 PR_ASSERT(fd->lower != NULL);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
378
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
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diff changeset
379 return (fd->lower->methods->setsocketoption)(fd->lower, data);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
380 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
381
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
382 static PRInt32 PR_CALLBACK pl_DefSendfile (
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
383 PRFileDesc *sd, PRSendFileData *sfd,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
384 PRTransmitFileFlags flags, PRIntervalTime timeout)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
385 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
386 PR_ASSERT(sd != NULL);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
387 PR_ASSERT(sd->lower != NULL);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
388
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
389 return sd->lower->methods->sendfile(
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
390 sd->lower, sfd, flags, timeout);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
391 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
392
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
393 /* Methods for the top of the stack. Just call down to the next fd. */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
394 static PRIOMethods pl_methods = {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
395 PR_DESC_LAYERED,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
396 pl_TopClose,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
397 pl_DefRead,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
398 pl_DefWrite,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
399 pl_DefAvailable,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
400 pl_DefAvailable64,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
401 pl_DefFsync,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
402 pl_DefSeek,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
403 pl_DefSeek64,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
404 pl_DefFileInfo,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
405 pl_DefFileInfo64,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
406 pl_DefWritev,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
407 pl_DefConnect,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
408 pl_TopAccept,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
409 pl_DefBind,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
410 pl_DefListen,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
411 pl_DefShutdown,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
412 pl_DefRecv,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
413 pl_DefSend,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
414 pl_DefRecvfrom,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
415 pl_DefSendto,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
416 pl_DefPoll,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
417 pl_DefAcceptread,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
418 pl_DefTransmitfile,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
419 pl_DefGetsockname,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
420 pl_DefGetpeername,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
421 (PRReservedFN)_PR_InvalidInt,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
422 (PRReservedFN)_PR_InvalidInt,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
423 pl_DefGetsocketoption,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
424 pl_DefSetsocketoption,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
425 pl_DefSendfile,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
426 pl_DefConnectcontinue,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
427 (PRReservedFN)_PR_InvalidInt,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
428 (PRReservedFN)_PR_InvalidInt,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
429 (PRReservedFN)_PR_InvalidInt,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
430 (PRReservedFN)_PR_InvalidInt
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
431 };
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
432
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
433 PR_IMPLEMENT(const PRIOMethods*) PR_GetDefaultIOMethods(void)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
434 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
435 return &pl_methods;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
436 } /* PR_GetDefaultIOMethods */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
437
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
438 PR_IMPLEMENT(PRFileDesc*) PR_CreateIOLayerStub(
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
439 PRDescIdentity ident, const PRIOMethods *methods)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
440 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
441 PRFileDesc *fd = NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
442 PR_ASSERT((PR_NSPR_IO_LAYER != ident) && (PR_TOP_IO_LAYER != ident));
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
443 if ((PR_NSPR_IO_LAYER == ident) || (PR_TOP_IO_LAYER == ident))
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
444 PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
445 else
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
446 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
447 fd = PR_NEWZAP(PRFileDesc);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
448 if (NULL == fd)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
449 PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
450 else
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
451 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
452 fd->methods = methods;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
453 fd->dtor = pl_FDDestructor;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
454 fd->identity = ident;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
455 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
456 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
457 return fd;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
458 } /* PR_CreateIOLayerStub */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
459
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
460 /*
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
461 * PR_CreateIOLayer
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
462 * Create a new style stack, where the stack top is a dummy header.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
463 * Unlike the old style stacks, the contents of the stack head
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
464 * are not modified when a layer is pushed onto or popped from a new
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
465 * style stack.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
466 */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
467
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
468 PR_IMPLEMENT(PRFileDesc*) PR_CreateIOLayer(PRFileDesc *top)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
469 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
470 PRFileDesc *fd = NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
471
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
472 fd = PR_NEWZAP(PRFileDesc);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
473 if (NULL == fd)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
474 PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
475 else
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
476 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
477 fd->methods = &pl_methods;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
478 fd->dtor = pl_FDDestructor;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
479 fd->identity = PR_IO_LAYER_HEAD;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
480 fd->higher = NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
481 fd->lower = top;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
482 top->higher = fd;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
483 top->lower = NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
484 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
485 return fd;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
486 } /* PR_CreateIOLayer */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
487
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
488 /*
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
489 * _PR_DestroyIOLayer
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
490 * Delete the stack head of a new style stack.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
491 */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
492
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
493 static PRStatus _PR_DestroyIOLayer(PRFileDesc *stack)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
494 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
495 if (NULL == stack)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
496 return PR_FAILURE;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
497 else {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
498 PR_DELETE(stack);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
499 return PR_SUCCESS;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
500 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
501 } /* _PR_DestroyIOLayer */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
502
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
503 PR_IMPLEMENT(PRStatus) PR_PushIOLayer(
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
504 PRFileDesc *stack, PRDescIdentity id, PRFileDesc *fd)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
505 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
506 PRFileDesc *insert = PR_GetIdentitiesLayer(stack, id);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
507
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
508 PR_ASSERT(fd != NULL);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
509 PR_ASSERT(stack != NULL);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
510 PR_ASSERT(insert != NULL);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
511 PR_ASSERT(PR_IO_LAYER_HEAD != id);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
512 if ((NULL == stack) || (NULL == fd) || (NULL == insert))
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
513 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
514 PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
515 return PR_FAILURE;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
516 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
517
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
518 if (stack == insert)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
519 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
520 /* going on top of the stack */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
521 /* old-style stack */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
522 PRFileDesc copy = *stack;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
523 *stack = *fd;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
524 *fd = copy;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
525 fd->higher = stack;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
526 if (fd->lower)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
527 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
528 PR_ASSERT(fd->lower->higher == stack);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
529 fd->lower->higher = fd;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
530 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
531 stack->lower = fd;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
532 stack->higher = NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
533 } else {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
534 /*
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
535 * going somewhere in the middle of the stack for both old and new
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
536 * style stacks, or going on top of stack for new style stack
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
537 */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
538 fd->lower = insert;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
539 fd->higher = insert->higher;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
540
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
541 insert->higher->lower = fd;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
542 insert->higher = fd;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
543 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
544
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
545 return PR_SUCCESS;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
546 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
547
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
548 PR_IMPLEMENT(PRFileDesc*) PR_PopIOLayer(PRFileDesc *stack, PRDescIdentity id)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
549 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
550 PRFileDesc *extract = PR_GetIdentitiesLayer(stack, id);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
551
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
552 PR_ASSERT(0 != id);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
553 PR_ASSERT(NULL != stack);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
554 PR_ASSERT(NULL != extract);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
555 if ((NULL == stack) || (0 == id) || (NULL == extract))
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
556 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
557 PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
558 return NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
559 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
560
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
561 if (extract == stack) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
562 /* popping top layer of the stack */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
563 /* old style stack */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
564 PRFileDesc copy = *stack;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
565 extract = stack->lower;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
566 *stack = *extract;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
567 *extract = copy;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
568 stack->higher = NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
569 if (stack->lower) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
570 PR_ASSERT(stack->lower->higher == extract);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
571 stack->lower->higher = stack;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
572 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
573 } else if ((PR_IO_LAYER_HEAD == stack->identity) &&
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
574 (extract == stack->lower) && (extract->lower == NULL)) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
575 /*
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
576 * new style stack
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
577 * popping the only layer in the stack; delete the stack too
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
578 */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
579 stack->lower = NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
580 _PR_DestroyIOLayer(stack);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
581 } else {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
582 /* for both kinds of stacks */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
583 extract->lower->higher = extract->higher;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
584 extract->higher->lower = extract->lower;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
585 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
586 extract->higher = extract->lower = NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
587 return extract;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
588 } /* PR_PopIOLayer */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
589
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
590 #define ID_CACHE_INCREMENT 16
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
591 typedef struct _PRIdentity_cache
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
592 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
593 PRLock *ml;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
594 char **name;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
595 PRIntn length;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
596 PRDescIdentity ident;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
597 } _PRIdentity_cache;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
598
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
599 static _PRIdentity_cache identity_cache;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
600
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
601 PR_IMPLEMENT(PRDescIdentity) PR_GetUniqueIdentity(const char *layer_name)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
602 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
603 PRDescIdentity identity, length;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
604 char **names = NULL, *name = NULL, **old = NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
605
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
606 if (!_pr_initialized) _PR_ImplicitInitialization();
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
607
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
608 PR_ASSERT((PRDescIdentity)0x7fff > identity_cache.ident);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
609
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
610 if (NULL != layer_name)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
611 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
612 name = (char*)PR_Malloc(strlen(layer_name) + 1);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
613 if (NULL == name)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
614 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
615 PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
616 return PR_INVALID_IO_LAYER;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
617 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
618 strcpy(name, layer_name);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
619 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
620
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
621 /* this initial code runs unsafe */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
622 retry:
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
623 PR_ASSERT(NULL == names);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
624 /*
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
625 * In the initial round, both identity_cache.ident and
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
626 * identity_cache.length are 0, so (identity_cache.ident + 1) is greater
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
627 * than length. In later rounds, identity_cache.ident is always less
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
628 * than length, so (identity_cache.ident + 1) can be equal to but cannot
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
629 * be greater than length.
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
630 */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
631 length = identity_cache.length;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
632 if ((identity_cache.ident + 1) >= length)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
633 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
634 length += ID_CACHE_INCREMENT;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
635 names = (char**)PR_CALLOC(length * sizeof(char*));
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
636 if (NULL == names)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
637 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
638 if (NULL != name) PR_DELETE(name);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
639 PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
640 return PR_INVALID_IO_LAYER;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
641 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
642 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
643
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
644 /* now we get serious about thread safety */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
645 PR_Lock(identity_cache.ml);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
646 PR_ASSERT(identity_cache.length == 0 ||
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
647 identity_cache.ident < identity_cache.length);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
648 identity = identity_cache.ident + 1;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
649 if (identity >= identity_cache.length) /* there's no room */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
650 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
651 /* we have to do something - hopefully it's already done */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
652 if ((NULL != names) && (identity < length))
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
653 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
654 /* what we did is still okay */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
655 memcpy(
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
656 names, identity_cache.name,
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
657 identity_cache.length * sizeof(char*));
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
658 old = identity_cache.name;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
659 identity_cache.name = names;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
660 identity_cache.length = length;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
661 names = NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
662 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
663 else
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
664 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
665 PR_Unlock(identity_cache.ml);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
666 if (NULL != names) PR_DELETE(names);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
667 goto retry;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
668 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
669 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
670 if (NULL != name) /* there's a name to be stored */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
671 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
672 identity_cache.name[identity] = name;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
673 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
674 identity_cache.ident = identity;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
675 PR_ASSERT(identity_cache.ident < identity_cache.length);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
676 PR_Unlock(identity_cache.ml);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
677
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
678 if (NULL != old) PR_DELETE(old);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
679 if (NULL != names) PR_DELETE(names);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
680
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
681 return identity;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
682 } /* PR_GetUniqueIdentity */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
683
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
684 PR_IMPLEMENT(const char*) PR_GetNameForIdentity(PRDescIdentity ident)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
685 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
686 if (!_pr_initialized) _PR_ImplicitInitialization();
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
687
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
688 if (PR_TOP_IO_LAYER == ident) return NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
689
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
690 PR_ASSERT(ident <= identity_cache.ident);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
691 return (ident > identity_cache.ident) ? NULL : identity_cache.name[ident];
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
692 } /* PR_GetNameForIdentity */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
693
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
694 PR_IMPLEMENT(PRDescIdentity) PR_GetLayersIdentity(PRFileDesc* fd)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
695 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
696 PR_ASSERT(NULL != fd);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
697 if (PR_IO_LAYER_HEAD == fd->identity) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
698 PR_ASSERT(NULL != fd->lower);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
699 return fd->lower->identity;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
700 } else
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
701 return fd->identity;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
702 } /* PR_GetLayersIdentity */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
703
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
704 PR_IMPLEMENT(PRFileDesc*) PR_GetIdentitiesLayer(PRFileDesc* fd, PRDescIdentity id)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
705 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
706 PRFileDesc *layer = fd;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
707
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
708 if (PR_TOP_IO_LAYER == id) {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
709 if (PR_IO_LAYER_HEAD == fd->identity)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
710 return fd->lower;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
711 else
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
712 return fd;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
713 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
714
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
715 for (layer = fd; layer != NULL; layer = layer->lower)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
716 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
717 if (id == layer->identity) return layer;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
718 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
719 for (layer = fd; layer != NULL; layer = layer->higher)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
720 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
721 if (id == layer->identity) return layer;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
722 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
723 return NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
724 } /* PR_GetIdentitiesLayer */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
725
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
726 void _PR_InitLayerCache(void)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
727 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
728 memset(&identity_cache, 0, sizeof(identity_cache));
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
729 identity_cache.ml = PR_NewLock();
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
730 PR_ASSERT(NULL != identity_cache.ml);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
731 } /* _PR_InitLayerCache */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
732
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
733 void _PR_CleanupLayerCache(void)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
734 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
735 if (identity_cache.ml)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
736 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
737 PR_DestroyLock(identity_cache.ml);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
738 identity_cache.ml = NULL;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
739 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
740
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
741 if (identity_cache.name)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
742 {
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
743 PRDescIdentity ident;
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
744
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
745 for (ident = 0; ident <= identity_cache.ident; ident++)
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
746 PR_DELETE(identity_cache.name[ident]);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
747
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
748 PR_DELETE(identity_cache.name);
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
749 }
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
750 } /* _PR_CleanupLayerCache */
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
751
1e5118fa0cb1 This is NSS with a Cmake Buildsyste
Andre Heinecke <andre.heinecke@intevation.de>
parents:
diff changeset
752 /* prlayer.c */
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