onlineupdate/source/update/common/updatedefines.h

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #ifndef UPDATEDEFINES_H
   6 #define UPDATEDEFINES_H
   7
   8 #include "readstrings.h"
   9
  10 #ifndef MAXPATHLEN
  11 # ifdef PATH_MAX
  12 #  define MAXPATHLEN PATH_MAX
  13 # elif defined(MAX_PATH)
  14 #  define MAXPATHLEN MAX_PATH
  15 # elif defined(_MAX_PATH)
  16 #  define MAXPATHLEN _MAX_PATH
  17 # elif defined(CCHMAXPATH)
  18 #  define MAXPATHLEN CCHMAXPATH
  19 # else
  20 #  define MAXPATHLEN 1024
  21 # endif
  22 #endif
  23
  24 #if defined(_WIN32)
  25 # include <windows.h>
  26 # include <shlwapi.h>
  27 # include <direct.h>
  28 # include <io.h>
  29 # include <stdio.h>
  30 # include <stdarg.h>
  31
  32 # define F_OK 00
  33 # define W_OK 02
  34 # define R_OK 04
  35 # define S_ISDIR(s) (((s) & _S_IFMT) == _S_IFDIR)
  36 # define S_ISREG(s) (((s) & _S_IFMT) == _S_IFREG)
  37
  38 # define access _access
  39
  40 # define putenv _putenv
  41 # if _MSC_VER < 1900
  42 #  define stat _stat
  43 # endif
  44 # define DELETE_DIR L"tobedeleted"
  45 # define CALLBACK_BACKUP_EXT L".moz-callback"
  46
  47 # define LOG_S "%S"
  48 # define NS_T(str) L ## str
  49 # define NS_SLASH NS_T('\\')
  50
  51 #if defined(_MSC_VER) && _MSC_VER < 1900
  52 // On Windows, _snprintf and _snwprintf don't guarantee null termination. These
  53 // macros always leave room in the buffer for null termination and set the end
  54 // of the buffer to null in case the string is larger than the buffer. Having
  55 // multiple nulls in a string is fine and this approach is simpler (possibly
  56 // faster) than calculating the string length to place the null terminator and
  57 // truncates the string as _snprintf and _snwprintf do on other platforms.
  58 static inline int mysnprintf(char* dest, size_t count, const char* fmt, ...)
  59 {
  60   size_t _count = count - 1;
  61   va_list varargs;
  62   va_start(varargs, fmt);
  63   int result = _vsnprintf(dest, count - 1, fmt, varargs);
  64   va_end(varargs);
  65   dest[_count] = '\0';
  66   return result;
  67 }
  68 #define snprintf mysnprintf
  69 #endif
  70 static inline int mywcsprintf(WCHAR* dest, size_t count, const WCHAR* fmt, ...)
  71 {
  72   size_t _count = count - 1;
  73   va_list varargs;
  74   va_start(varargs, fmt);
  75   int result = _vsnwprintf(dest, count - 1, fmt, varargs);
  76   va_end(varargs);
  77   dest[_count] = L'\0';
  78   return result;
  79 }
  80 #define NS_tsnprintf mywcsprintf
  81 # define NS_taccess _waccess
  82 # define NS_tchdir _wchdir
  83 # define NS_tchmod _wchmod
  84 # define NS_tfopen _wfopen
  85 # define NS_tmkdir(path, perms) _wmkdir(path)
  86 # define NS_tremove _wremove
  87 // _wrename is used to avoid the link tracking service.
  88 # define NS_trename _wrename
  89 # define NS_trmdir _wrmdir
  90 # define NS_tstat _wstat
  91 # define NS_tlstat _wstat // No symlinks on Windows
  92 # define NS_tstat_t _stat
  93 # define NS_tstrcat wcscat
  94 # define NS_tstrcmp wcscmp
  95 # define NS_tstricmp wcsicmp
  96 # define NS_tstrcpy wcscpy
  97 # define NS_tstrncpy wcsncpy
  98 # define NS_tstrlen wcslen
  99 # define NS_tstrchr wcschr
 100 # define NS_tstrrchr wcsrchr
 101 # define NS_tstrstr wcsstr
 102 # include "win_dirent.h"
 103 # define NS_tDIR DIR
 104 # define NS_tdirent dirent
 105 # define NS_topendir opendir
 106 # define NS_tclosedir closedir
 107 # define NS_treaddir readdir
 108 #else
 109 # include <sys/wait.h>
 110 # include <unistd.h>
 111
 112 #ifdef SOLARIS
 113 # include <sys/stat.h>
 114 #else
 115 # include <fts.h>
 116 #endif
 117 # include <dirent.h>
 118
 119 #ifdef MACOSX
 120 # include <sys/time.h>
 121 #endif
 122
 123 # define LOG_S "%s"
 124 # define NS_T(str) str
 125 # define NS_SLASH NS_T('/')
 126 # define NS_tsnprintf snprintf
 127 # define NS_taccess access
 128 # define NS_tchdir chdir
 129 # define NS_tchmod chmod
 130 # define NS_tfopen fopen
 131 # define NS_tmkdir mkdir
 132 # define NS_tremove remove
 133 # define NS_trename rename
 134 # define NS_trmdir rmdir
 135 # define NS_tstat stat
 136 # define NS_tstat_t stat
 137 # define NS_tlstat lstat
 138 # define NS_tstrcat strcat
 139 # define NS_tstrcmp strcmp
 140 # define NS_tstricmp strcasecmp
 141 # define NS_tstrcpy strcpy
 142 # define NS_tstrncpy strncpy
 143 # define NS_tstrlen strlen
 144 # define NS_tstrrchr strrchr
 145 # define NS_tstrstr strstr
 146 # define NS_tDIR DIR
 147 # define NS_tdirent dirent
 148 # define NS_topendir opendir
 149 # define NS_tclosedir closedir
 150 # define NS_treaddir readdir
 151 #endif
 152
 153 #define BACKUP_EXT NS_T(".moz-backup")
 154
 155 #endif