gtk/path.c

   1 /* -*- Mode: C ; c-basic-offset: 3 -*- */
   2 /*****************************************************************************
   3  *
   4  * $Id: path.c,v 1.1 2005/02/18 02:10:10 nedko Exp $
   5  *
   6  * DESCRIPTION:
   7  *  Access to project specific data files.
   8  *
   9  *****************************************************************************/
  10
  11 #include <sys/types.h>
  12 #include <sys/stat.h>
  13 #include <unistd.h>
  14 #include <stdlib.h>
  15 #include <gtk/gtk.h>
  16
  17 #include "common.h"
  18 #include "path.h"
  19
  20 static gchar *pszPathToExecutable = NULL;
  21 static gchar *pszExecutable = NULL;
  22
  23 void
  24 path_init(const char * argv0)
  25 {
  26    /* FIXME: pszPathToExecutable calculation is ugly workaround
  27     * that assumes that current directory is nevere changed for our process.
  28     * We should better get full path (/proc/pid/maps in Linux ?) */
  29    pszExecutable = g_path_get_basename(argv0);
  30    pszPathToExecutable = g_path_get_dirname(argv0);
  31 }
  32
  33 static void
  34 path_check_initialization()
  35 {
  36    if (pszPathToExecutable == NULL ||
  37        pszExecutable == NULL)
  38    {
  39       g_warning("path_init() not called.");
  40       exit(1);
  41    }
  42 }
  43
  44 gchar *
  45 path_get_data_filename(const gchar * filename)
  46 {
  47    gchar * full_path;
  48    struct stat st;
  49
  50    path_check_initialization();
  51
  52    full_path = g_strdup_printf("%s/%s", pszPathToExecutable, filename);
  53    if (stat(full_path, &st) == 0)
  54    {
  55       return full_path;
  56    }
  57    g_free(full_path);
  58
  59    return NULL;
  60 }
  61
  62 void
  63 path_uninit()
  64 {
  65    path_check_initialization();
  66
  67    g_free(pszExecutable);
  68    g_free(pszPathToExecutable);
  69 }
  70
  71 /*****************************************************************************
  72  *
  73  * Modifications log:
  74  *
  75  * !!! WARNING !!! Following lines are automatically updated by the CVS system.
  76  *
  77  *   $Log: path.c,v $
  78  *   Revision 1.1  2005/02/18 02:10:10  nedko
  79  *   Access to project specific data files - initial revision.
  80  *
  81  *****************************************************************************/