eglib/src/gmisc-win32.c

   1 /*
   2  * gmisc.c: Misc functions with no place to go (right now)
   3  *
   4  * Author:
   5  *   Aaron Bockover (abockover@novell.com)
   6  *
   7  * (C) 2006 Novell, Inc.
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining
  10  * a copy of this software and associated documentation files (the
  11  * "Software"), to deal in the Software without restriction, including
  12  * without limitation the rights to use, copy, modify, merge, publish,
  13  * distribute, sublicense, and/or sell copies of the Software, and to
  14  * permit persons to whom the Software is furnished to do so, subject to
  15  * the following conditions:
  16  *
  17  * The above copyright notice and this permission notice shall be
  18  * included in all copies or substantial portions of the Software.
  19  *
  20  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  21  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  22  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  23  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  24  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  25  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  26  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  27  */
  28
  29 #include <stdlib.h>
  30 #include <glib.h>
  31
  32 #include <windows.h>
  33 #include <direct.h>
  34 #include <io.h>
  35
  36 const gchar *
  37 g_getenv(const gchar *variable)
  38 {
  39         gunichar2 *var, *buffer;
  40         gchar* val = NULL;
  41         gint32 buffer_size = 1024;
  42         gint32 retval;
  43         var = u8to16(variable);
  44         buffer = g_malloc(buffer_size*sizeof(gunichar2));
  45         retval = GetEnvironmentVariableW (var, buffer, buffer_size);
  46         if (retval != 0) {
  47                 if (retval > buffer_size) {
  48                         g_free (buffer);
  49                         buffer_size = retval;
  50                         buffer = g_malloc(buffer_size*sizeof(gunichar2));
  51                         retval = GetEnvironmentVariableW (var, buffer, buffer_size);
  52                 }
  53                 val = u16to8 (buffer);
  54         } else {
  55                 if (GetLastError () != ERROR_ENVVAR_NOT_FOUND){
  56                         val = g_malloc (1);
  57                         *val = 0;
  58                 }
  59         }
  60         g_free(var);
  61         g_free(buffer);
  62         return val;
  63 }
  64
  65 gboolean
  66 g_setenv(const gchar *variable, const gchar *value, gboolean overwrite)
  67 {
  68         gunichar2 *var, *val;
  69         gboolean result;
  70         var = u8to16(variable);
  71         val = u8to16(value);
  72         result = (SetEnvironmentVariableW(var, val) != 0) ? TRUE : FALSE;
  73         g_free(var);
  74         g_free(val);
  75         return result;
  76 }
  77
  78 void
  79 g_unsetenv(const gchar *variable)
  80 {
  81         gunichar2 *var;
  82         var = u8to16(variable);
  83         SetEnvironmentVariableW(var, L"");
  84         g_free(var);
  85 }
  86
  87 gchar*
  88 g_win32_getlocale(void)
  89 {
  90         /* FIXME: Use GetThreadLocale
  91          * and convert LCID to standard
  92          * string form, "en_US" */
  93         return strdup ("en_US");
  94 }
  95
  96 gboolean
  97 g_path_is_absolute (const char *filename)
  98 {
  99         g_return_val_if_fail (filename != NULL, FALSE);
 100
 101         if (filename[0] != '\0' && filename[1] != '\0') {
 102                 if (filename[1] == ':' && filename[2] != '\0' &&
 103                         (filename[2] == '\\' || filename[2] == '/'))
 104                         return TRUE;
 105                 /* UNC paths */
 106                 else if (filename[0] == '\\' && filename[1] == '\\' &&
 107                         filename[2] != '\0')
 108                         return TRUE;
 109         }
 110
 111         return FALSE;
 112 }
 113
 114 const gchar *
 115 g_get_home_dir (void)
 116 {
 117         /* FIXME */
 118         const gchar *drive = g_getenv ("HOMEDRIVE");
 119         const gchar *path = g_getenv ("HOMEPATH");
 120         gchar *home_dir = NULL;
 121
 122         if (drive && path) {
 123                 home_dir = g_malloc(strlen(drive) + strlen(path) +1);
 124                 if (home_dir) {
 125                         sprintf(home_dir, "%s%s", drive, path);
 126                 }
 127         }
 128
 129         return home_dir;
 130 }
 131
 132 const char *
 133 g_get_user_name (void)
 134 {
 135         const char * retName = g_getenv ("USER");
 136         if (!retName)
 137                 retName = g_getenv ("USERNAME");
 138         return retName;
 139 }
 140
 141 static const char *tmp_dir;
 142
 143 const gchar *
 144 g_get_tmp_dir (void)
 145 {
 146         if (tmp_dir == NULL){
 147                 if (tmp_dir == NULL){
 148                         tmp_dir = g_getenv ("TMPDIR");
 149                         if (tmp_dir == NULL){
 150                                 tmp_dir = g_getenv ("TMP");
 151                                 if (tmp_dir == NULL){
 152                                         tmp_dir = g_getenv ("TEMP");
 153                                         if (tmp_dir == NULL)
 154                                                 tmp_dir = "C:\\temp";
 155                                 }
 156                         }
 157                 }
 158         }
 159         return tmp_dir;
 160 }
 161