annotate nspr/pr/src/misc/pripc.c @ 4:b513267f632f tip

Build DBM module
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 05 Aug 2014 18:58:03 +0200
parents 1e5118fa0cb1
children
rev   line source
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: pripc.c
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8 *
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9 * Description: functions for IPC support
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10 */
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11
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12 #include "primpl.h"
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13
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14 #include <string.h>
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15
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16 /*
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17 * A POSIX IPC name must begin with a '/'.
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18 * A POSIX IPC name on Solaris cannot contain any '/' except
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19 * the required leading '/'.
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20 * A POSIX IPC name on HP-UX and OSF1 must be a valid pathname
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21 * in the file system.
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22 *
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23 * The ftok() function for System V IPC requires a valid pathname
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24 * in the file system.
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25 *
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26 * A Win32 IPC name cannot contain '\'.
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27 */
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28
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29 static void _pr_ConvertSemName(char *result)
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30 {
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31 #ifdef _PR_HAVE_POSIX_SEMAPHORES
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32 #if defined(SOLARIS)
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33 char *p;
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34
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35 /* Convert '/' to '_' except for the leading '/' */
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36 for (p = result+1; *p; p++) {
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37 if (*p == '/') {
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38 *p = '_';
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39 }
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40 }
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41 return;
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42 #else
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43 return;
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44 #endif
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45 #elif defined(_PR_HAVE_SYSV_SEMAPHORES)
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46 return;
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47 #elif defined(WIN32)
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48 return;
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49 #endif
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50 }
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51
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52 static void _pr_ConvertShmName(char *result)
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53 {
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54 #if defined(PR_HAVE_POSIX_NAMED_SHARED_MEMORY)
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55 #if defined(SOLARIS)
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56 char *p;
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57
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58 /* Convert '/' to '_' except for the leading '/' */
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59 for (p = result+1; *p; p++) {
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60 if (*p == '/') {
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61 *p = '_';
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62 }
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63 }
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64 return;
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65 #else
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66 return;
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67 #endif
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68 #elif defined(PR_HAVE_SYSV_NAMED_SHARED_MEMORY)
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69 return;
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70 #elif defined(WIN32)
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71 return;
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72 #else
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73 return;
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74 #endif
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75 }
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76
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77 PRStatus _PR_MakeNativeIPCName(
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78 const char *name,
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79 char *result,
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80 PRIntn size,
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81 _PRIPCType type)
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82 {
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83 if (strlen(name) >= (PRSize)size) {
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84 PR_SetError(PR_BUFFER_OVERFLOW_ERROR, 0);
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85 return PR_FAILURE;
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86 }
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87 strcpy(result, name);
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88 switch (type) {
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89 case _PRIPCSem:
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90 _pr_ConvertSemName(result);
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91 break;
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92 case _PRIPCShm:
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93 _pr_ConvertShmName(result);
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94 break;
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95 default:
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96 PR_SetError(PR_INVALID_ARGUMENT_ERROR, 0);
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97 return PR_FAILURE;
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98 }
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99 return PR_SUCCESS;
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100 }
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