/usr/share/ada/adainclude/gnatcoll/gnatcoll_support.c is in libgnatcoll1.6-dev 1.6gpl2014-9.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 | /*----------------------------------------------------------------------------
-- G N A T C O L L --
-- --
-- Copyright (C) 2008-2014, AdaCore --
-- --
-- This is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 3, or (at your option) any later ver- --
-- sion. This software is distributed in the hope that it will be useful, --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN- --
-- TABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public --
-- License for more details. You should have received a copy of the GNU --
-- General Public License distributed with this software; see file --
-- COPYING3. If not, go to http://www.gnu.org/licenses for a complete copy --
-- of the license. --
----------------------------------------------------------------------------*/
#include <sys/stat.h>
#include <stdlib.h>
#include <string.h>
#ifdef _WIN32
#include <windows.h>
#endif
#ifdef HAVE_SYSLOG
#include <syslog.h>
void
syslog_wrapper(int priority, const char* msg) {
syslog(priority, "%s", msg);
}
#endif
#ifdef HAVE_MMAP
#include <sys/mman.h>
int
gnatcoll_has_mmap() {
return 1;
}
void *
gnatcoll_mmap (void *start, long length, int prot, int flags,
int fd, long offset)
{
return mmap (start, (size_t)length, prot, flags, fd, (off_t)offset);
}
int gnatcoll_munmap (void *start, long length)
{
return munmap (start, (size_t)length);
}
#else
int
gnatcoll_has_mmap ()
{
return 0;
}
void
*gnatcoll_mmap (void *start, long length, int prot, int flags,
int fd, long offset)
{
return (void*)0;
}
int gnatcoll_munmap (void *start, long length)
{
return 0;
}
#endif
int
__gnatcoll_get_logical_drive_strings (char *buffer, int len)
{
#ifdef _WIN32
return GetLogicalDriveStringsA ((DWORD)len, (LPSTR)buffer);
#else
return 0;
#endif
}
void
__gnatcoll_set_readable (char *file, int set)
{
#ifdef _WIN32
/* ??? NOT CURRENTLY SUPPORTED.
There is no support for setting a file as unreadable using the
standard chmod routine on Windows. With this routine it is only
possible to set a file as read-only. To set a file as unreadable it is
required to use the more complex [Get|Set]FileSecurity Win32 API by
setting the proper ACL. */
#elif defined (__VMS__)
/* ??? NOT CURRENTLY SUPPORTED. */
#else
struct stat statbuf;
if (!stat (file, &statbuf))
{
if (set)
chmod (file, statbuf.st_mode | S_IREAD);
else
chmod (file, statbuf.st_mode & (~S_IREAD));
}
#endif
}
/**********************************************************
** __gnatcoll_get_tmp_dir ()
** Return the tmp directory.
** Return value must be freed by caller
**********************************************************/
char*
__gnatcoll_get_tmp_dir (void)
{
static char *result = NULL;
/* test static result to see if result has already been found */
if (result != NULL)
return strdup (result);
#ifdef _WIN32
{
DWORD dwRet;
result = malloc ((MAX_PATH + 1) * sizeof (char));
dwRet = GetTempPath (MAX_PATH, result);
if (dwRet > 0) {
result[dwRet] = '\0';
if (__gnat_is_directory (result))
return strdup (result);
}
free (result);
}
#endif
result = getenv ("TMPDIR");
if (result)
if (__gnat_is_directory (result))
return strdup (result);
result = getenv ("TMP");
if (result)
if (__gnat_is_directory (result))
return strdup (result);
/* On Windows systems, this is the documented way of retrieving the tmp dir.
* However, the TMP env variable should also be defined */
result = getenv ("TEMP");
if (result)
if (__gnat_is_directory (result))
return strdup (result);
/* need to duplicate twice: one is for caching, the second one will be freed
* by user */
result = strdup ("/tmp");
return strdup (result);
}
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