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/*
* Copyright 2008 Daniel Silverstone <dsilvers@netsurf-browser.org>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <limits.h>
#include <unistd.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "fb_findfile.h"
static bool
fb_findfile_exists(char *buffer, const char *base, const char *filename)
{
if (base == NULL)
return false;
if (*base == '~') {
snprintf(buffer, PATH_MAX, "%s/%s/%s",
getenv("HOME") ? getenv("HOME") : "",
base + 1, filename);
} else {
snprintf(buffer, PATH_MAX, "%s/%s", base, filename);
}
return (access(buffer, R_OK) == 0);
}
char *
fb_findfile(const char *filename)
{
static char buffer[PATH_MAX];
/* Search sequence is:
* home/filename
* res-env/filename
* resources/filename
*/
if (fb_findfile_exists(buffer, NETSURF_FB_HOMEPATH, filename))
return buffer;
if (fb_findfile_exists(buffer, getenv("NETSURF_RES"), filename))
return buffer;
if (fb_findfile_exists(buffer, NETSURF_FB_RESPATH, filename))
return buffer;
return NULL;
}
char *
fb_findfile_asurl(const char *filename)
{
static char buffer[PATH_MAX];
char *f;
if (strncmp(filename, "http://", 5) == 0)
return strdup(filename);
f = fb_findfile(filename);
if (f == NULL)
return NULL;
snprintf(buffer, PATH_MAX, "file://%s", f);
return strdup(buffer);
}
/*
* Local Variables:
* c-basic-offset: 8
* End:
*/
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