Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/curl/src/tool_util.c @ 7:5ab937c03c27

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Apply full RELRO to all generated binaries. Also strip the generated binaries.
author Franz Glasner <fzglas.hg@dom66.de>
date Tue, 16 Sep 2025 12:37:32 +0200
parents b50eed0cc0ef
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /***************************************************************************
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2 * _ _ ____ _
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3 * Project ___| | | | _ \| |
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4 * / __| | | | |_) | |
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5 * | (__| |_| | _ <| |___
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6 * \___|\___/|_| \_\_____|
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7 *
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8 * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
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9 *
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10 * This software is licensed as described in the file COPYING, which
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11 * you should have received as part of this distribution. The terms
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12 * are also available at https://curl.haxx.se/docs/copyright.html.
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13 *
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14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
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15 * copies of the Software, and permit persons to whom the Software is
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16 * furnished to do so, under the terms of the COPYING file.
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17 *
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18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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19 * KIND, either express or implied.
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20 *
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21 ***************************************************************************/
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22 #include "tool_setup.h"
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23
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24 #include "tool_util.h"
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25
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26 #include "memdebug.h" /* keep this as LAST include */
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27
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28 #if defined(WIN32) && !defined(MSDOS)
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29
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30 struct timeval tvnow(void)
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31 {
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32 /*
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33 ** GetTickCount() is available on _all_ Windows versions from W95 up
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34 ** to nowadays. Returns milliseconds elapsed since last system boot,
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35 ** increases monotonically and wraps once 49.7 days have elapsed.
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36 **
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37 ** GetTickCount64() is available on Windows version from Windows Vista
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38 ** and Windows Server 2008 up to nowadays. The resolution of the
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39 ** function is limited to the resolution of the system timer, which
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40 ** is typically in the range of 10 milliseconds to 16 milliseconds.
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41 */
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42 struct timeval now;
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43 #if defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0600) && \
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44 (!defined(__MINGW32__) || defined(__MINGW64_VERSION_MAJOR))
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45 ULONGLONG milliseconds = GetTickCount64();
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46 #else
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47 DWORD milliseconds = GetTickCount();
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48 #endif
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49 now.tv_sec = (long)(milliseconds / 1000);
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50 now.tv_usec = (long)((milliseconds % 1000) * 1000);
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51 return now;
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52 }
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53
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54 #elif defined(HAVE_CLOCK_GETTIME_MONOTONIC)
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55
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56 struct timeval tvnow(void)
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57 {
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58 /*
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59 ** clock_gettime() is granted to be increased monotonically when the
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60 ** monotonic clock is queried. Time starting point is unspecified, it
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61 ** could be the system start-up time, the Epoch, or something else,
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62 ** in any case the time starting point does not change once that the
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63 ** system has started up.
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64 */
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65 struct timeval now;
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66 struct timespec tsnow;
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67 if(0 == clock_gettime(CLOCK_MONOTONIC, &tsnow)) {
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68 now.tv_sec = tsnow.tv_sec;
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69 now.tv_usec = tsnow.tv_nsec / 1000;
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70 }
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71 /*
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72 ** Even when the configure process has truly detected monotonic clock
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73 ** availability, it might happen that it is not actually available at
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74 ** run-time. When this occurs simply fallback to other time source.
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75 */
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76 #ifdef HAVE_GETTIMEOFDAY
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77 else
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78 (void)gettimeofday(&now, NULL);
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79 #else
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80 else {
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81 now.tv_sec = (long)time(NULL);
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82 now.tv_usec = 0;
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83 }
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84 #endif
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85 return now;
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86 }
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87
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88 #elif defined(HAVE_GETTIMEOFDAY)
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89
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90 struct timeval tvnow(void)
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91 {
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92 /*
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93 ** gettimeofday() is not granted to be increased monotonically, due to
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94 ** clock drifting and external source time synchronization it can jump
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95 ** forward or backward in time.
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96 */
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97 struct timeval now;
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98 (void)gettimeofday(&now, NULL);
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99 return now;
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100 }
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101
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102 #else
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103
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104 struct timeval tvnow(void)
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105 {
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106 /*
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107 ** time() returns the value of time in seconds since the Epoch.
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108 */
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109 struct timeval now;
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110 now.tv_sec = (long)time(NULL);
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111 now.tv_usec = 0;
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112 return now;
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113 }
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114
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115 #endif
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116
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117 /*
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118 * Make sure that the first argument is the more recent time, as otherwise
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119 * we'll get a weird negative time-diff back...
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120 *
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121 * Returns: the time difference in number of milliseconds.
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122 */
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123 long tvdiff(struct timeval newer, struct timeval older)
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124 {
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125 return (long)(newer.tv_sec-older.tv_sec)*1000+
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126 (long)(newer.tv_usec-older.tv_usec)/1000;
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127 }