mirror of https://github.com/GNOME/gimp.git
164 lines
3.7 KiB
C
164 lines
3.7 KiB
C
/* LIBGIMP - The GIMP Library
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* Copyright (C) 1995-1997 Peter Mattis and Spencer Kimball
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*
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* This code is a slightly modified copy of xdg-user-dir-lockup.c
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* as written by Alexander Larsson.
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*
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* See http://www.freedesktop.org/wiki/Software/xdg-user-dirs
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*/
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/*
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This file is not licenced under the GPL like the rest of the code.
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Its is under the MIT license, to encourage reuse by cut-and-paste.
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Copyright (c) 2007 Red Hat, inc
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Permission is hereby granted, free of charge, to any person
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obtaining a copy of this software and associated documentation files
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(the "Software"), to deal in the Software without restriction,
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including without limitation the rights to use, copy, modify, merge,
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publish, distribute, sublicense, and/or sell copies of the Software,
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and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be
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included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include "config.h"
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#include <string.h>
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#include <glib.h>
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#include <glib/gstdio.h>
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#include "xdg-user-dir.h"
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/**
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* xdg_user_dir_lookup_with_fallback:
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* @type: a string specifying the type of directory
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*
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* Looks up a XDG user directory of the specified type.
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* Example of types are "DESKTOP" and "DOWNLOAD".
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*
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* Return value: a newly allocated absolute pathname or %NULL
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**/
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gchar *
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_xdg_user_dir_lookup (const gchar *type)
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{
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FILE *file;
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const gchar *home_dir;
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const gchar *config_home;
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gchar buffer[512];
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gchar *filename;
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gchar *user_dir = NULL;
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gchar *p, *d;
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gint len;
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gint relative;
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home_dir = g_get_home_dir ();
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if (! home_dir)
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return NULL;
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config_home = g_getenv ("XDG_CONFIG_HOME");
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if (! config_home || ! *config_home)
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{
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filename = g_build_filename (home_dir, ".config", "user-dirs.dirs", NULL);
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}
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else
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{
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filename = g_build_filename (config_home, "user-dirs.dirs", NULL);
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}
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file = g_fopen (filename, "r");
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g_free (filename);
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if (! file)
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return NULL;
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while (fgets (buffer, sizeof (buffer), file))
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{
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/* Remove newline at end */
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len = strlen (buffer);
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if (len > 0 && buffer[len-1] == '\n')
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buffer[len-1] = 0;
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p = buffer;
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while (*p == ' ' || *p == '\t')
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p++;
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if (strncmp (p, "XDG_", 4) != 0)
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continue;
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p += 4;
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if (strncmp (p, type, strlen (type)) != 0)
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continue;
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p += strlen (type);
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if (strncmp (p, "_DIR", 4) != 0)
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continue;
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p += 4;
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while (*p == ' ' || *p == '\t')
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p++;
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if (*p != '=')
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continue;
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p++;
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while (*p == ' ' || *p == '\t')
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p++;
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if (*p != '"')
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continue;
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p++;
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relative = 0;
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if (strncmp (p, "$HOME/", 6) == 0)
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{
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p += 6;
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relative = 1;
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}
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else if (*p != '/')
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continue;
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if (relative)
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{
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user_dir = g_malloc (strlen (home_dir) + 1 + strlen (p) + 1);
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strcpy (user_dir, home_dir);
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strcat (user_dir, "/");
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}
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else
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{
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user_dir = g_malloc (strlen (p) + 1);
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*user_dir = 0;
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}
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d = user_dir + strlen (user_dir);
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while (*p && *p != '"')
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{
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if ((*p == '\\') && (*(p+1) != 0))
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p++;
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*d++ = *p++;
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}
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*d = 0;
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}
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fclose (file);
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return user_dir;
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}
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