Mercurial > trustbridge > nss-cmake-static

annotate nspr/pr/src/io/prstdio.c @ 3:150b72113545

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Add DBM and legacydb support
author Andre Heinecke <andre.heinecke@intevation.de>
date Tue, 05 Aug 2014 18:32:02 +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 #include "primpl.h"
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7
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8 #include <string.h>
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9
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10 /*
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11 ** fprintf to a PRFileDesc
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12 */
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13 PR_IMPLEMENT(PRUint32) PR_fprintf(PRFileDesc* fd, const char *fmt, ...)
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14 {
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15 va_list ap;
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16 PRUint32 rv;
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17
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18 va_start(ap, fmt);
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19 rv = PR_vfprintf(fd, fmt, ap);
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20 va_end(ap);
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21 return rv;
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22 }
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23
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24 PR_IMPLEMENT(PRUint32) PR_vfprintf(PRFileDesc* fd, const char *fmt, va_list ap)
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25 {
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26 /* XXX this could be better */
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27 PRUint32 rv, len;
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28 char* msg = PR_vsmprintf(fmt, ap);
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29 if (NULL == msg) {
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30 return -1;
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31 }
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32 len = strlen(msg);
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33 #ifdef XP_OS2
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34 /*
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35 * OS/2 really needs a \r for every \n.
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36 * In the future we should try to use scatter-gather instead of a
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37 * succession of PR_Write.
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38 */
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39 if (isatty(PR_FileDesc2NativeHandle(fd))) {
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40 PRUint32 last = 0, idx;
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41 PRInt32 tmp;
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42 rv = 0;
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43 for (idx = 0; idx < len+1; idx++) {
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44 if ((idx - last > 0) && (('\n' == msg[idx]) || (idx == len))) {
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45 tmp = PR_Write(fd, msg + last, idx - last);
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46 if (tmp >= 0) {
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47 rv += tmp;
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48 }
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49 last = idx;
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50 }
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51 /*
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52 * if current character is \n, and
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53 * previous character isn't \r, and
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54 * next character isn't \r
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55 */
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56 if (('\n' == msg[idx]) &&
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57 ((0 == idx) || ('\r' != msg[idx-1])) &&
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58 ('\r' != msg[idx+1])) {
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59 /* add extra \r */
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60 tmp = PR_Write(fd, "\r", 1);
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61 if (tmp >= 0) {
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62 rv += tmp;
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63 }
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64 }
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65 }
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66 } else {
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67 rv = PR_Write(fd, msg, len);
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68 }
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69 #else
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70 rv = PR_Write(fd, msg, len);
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71 #endif
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72 PR_DELETE(msg);
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73 return rv;
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74 }
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