gobject-introspection/grealpath.h

   1 #ifndef __G_REALPATH_H__
   2 #define __G_REALPATH_H__
   3
   4 #include <stdlib.h>
   5
   6 /**
   7  * g_realpath:
   8  *
   9  * this should be a) filled in for win32 and b) put in glib...
  10  */
  11
  12 static inline gchar*
  13 g_realpath (const char *path)
  14 {
  15 #ifndef _WIN32
  16 #ifndef PATH_MAX
  17 #define PATH_MAX 4096
  18 #endif
  19         char buffer [PATH_MAX];
  20         if (realpath(path, buffer))
  21                 return g_strdup(buffer);
  22         else
  23                 return NULL;
  24 #else
  25         /* We don't want to include <windows.h> as it clashes horribly
  26          * with token names from scannerparser.h. So just declare
  27          * GetFullPathNameA() here.
  28          */
  29         extern __stdcall GetFullPathNameA(const char*, int, char*, char**);
  30         char *buffer;
  31         char dummy;
  32         int rc, len;
  33
  34         rc = GetFullPathNameA(path, 1, &dummy, NULL);
  35
  36         if (rc == 0)
  37           {
  38             /* Weird failure, so just return the input path as such */
  39             return g_strdup(path);
  40           }
  41
  42         len = rc + 1;
  43         buffer = g_malloc(len);
  44
  45         rc = GetFullPathNameA(path, len, buffer, NULL);
  46
  47         if (rc == 0 || rc > len)
  48           {
  49             /* Weird failure again */
  50             g_free(buffer);
  51             return g_strdup(path);
  52           }
  53
  54         return buffer;
  55 #endif
  56 }
  57
  58 #endif