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 = GetEnvironmentVariable (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 = GetEnvironmentVariable (var, buffer, buffer_size);
  52                 }
  53                 val = u16to8 (buffer);
  54         }
  55         g_free(var);
  56         g_free(buffer);
  57         return val;
  58 }
  59
  60 gboolean
  61 g_setenv(const gchar *variable, const gchar *value, gboolean overwrite)
  62 {
  63         gunichar2 *var, *val;
  64         gboolean result;
  65         var = u8to16(variable);
  66         val = u8to16(value);
  67         result = (SetEnvironmentVariable(var, val) != 0) ? TRUE : FALSE;
  68         g_free(var);
  69         g_free(val);
  70         return result;
  71 }
  72
  73 void
  74 g_unsetenv(const gchar *variable)
  75 {
  76         gunichar2 *var;
  77         var = u8to16(variable);
  78         SetEnvironmentVariable(var, TEXT(""));
  79         g_free(var);
  80 }
  81
  82 gchar*
  83 g_win32_getlocale(void)
  84 {
  85         /* FIXME: Use GetThreadLocale
  86          * and convert LCID to standard
  87          * string form, "en_US" */
  88         return strdup ("en_US");
  89 }
  90
  91 gboolean
  92 g_path_is_absolute (const char *filename)
  93 {
  94         g_return_val_if_fail (filename != NULL, FALSE);
  95
  96         if (filename[0] != '\0' && filename[1] != '\0')
  97                 if (filename[1] == ':' && filename[2] != '\0' &&
  98                         (filename[2] == '\\' || filename[2] == '/'))
  99                         return TRUE;
 100                 /* UNC paths */
 101                 else if (filename[0] == '\\' && filename[1] == '\\' &&
 102                         filename[2] != '\0')
 103                         return TRUE;
 104
 105         return FALSE;
 106 }
 107
 108 const gchar *
 109 g_get_home_dir (void)
 110 {
 111         /* FIXME */
 112         const gchar *drive = g_getenv ("HOMEDRIVE");
 113         const gchar *path = g_getenv ("HOMEPATH");
 114         gchar *home_dir = NULL;
 115
 116         if (drive && path) {
 117                 home_dir = g_malloc(strlen(drive) + strlen(path) +1);
 118                 if (home_dir) {
 119                         sprintf(home_dir, "%s%s", drive, path);
 120                 }
 121         }
 122
 123         return home_dir;
 124 }
 125
 126 const char *
 127 g_get_user_name (void)
 128 {
 129         const char * retName = g_getenv ("USER");
 130         if (!retName)
 131                 retName = g_getenv ("USERNAME");
 132         return retName;
 133 }
 134
 135 static const char *tmp_dir;
 136
 137 const gchar *
 138 g_get_tmp_dir (void)
 139 {
 140         if (tmp_dir == NULL){
 141                 if (tmp_dir == NULL){
 142                         tmp_dir = g_getenv ("TMPDIR");
 143                         if (tmp_dir == NULL){
 144                                 tmp_dir = g_getenv ("TMP");
 145                                 if (tmp_dir == NULL){
 146                                         tmp_dir = g_getenv ("TEMP");
 147                                         if (tmp_dir == NULL)
 148                                                 tmp_dir = "C:\\temp";
 149                                 }
 150                         }
 151                 }
 152         }
 153         return tmp_dir;
 154 }
 155