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cue_utils.c
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cue_utils.c
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/*
* Copyright (C) 2008-2013 Various Authors
* Copyright (C) 2011 Gregory Petrosyan
*
* This program 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, either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 "path.h"
#include "utils.h"
#include "cue_utils.h"
#include "xmalloc.h"
#include <stdio.h>
char *associated_cue(const char *filename)
{
FILE *fp;
const char *ext;
char buf[4096] = {0};
const char *dot;
ext = get_extension(filename);
if (ext != NULL && strcmp(ext, "cue") == 0)
return NULL;
dot = strrchr(filename, '.');
if (dot == NULL)
return NULL;
snprintf(buf, sizeof buf, "%.*s.cue", (int) (dot - filename), filename);
fp = fopen(buf, "r");
if (!fp)
snprintf(buf, sizeof buf, "%s.cue", filename);
else
fclose(fp);
return xstrdup(buf);
}
int cue_get_ntracks(const char *filename)
{
int n;
FILE *cue;
Cd *cd;
cue = fopen(filename, "r");
if (cue == NULL)
return -1;
disable_stdio();
cd = cue_parse_file(cue);
enable_stdio();
if (cd == NULL) {
fclose(cue);
return -1;
}
n = cd_get_ntrack(cd);
cd_delete(cd);
fclose(cue);
return n;
}
char *construct_cue_url(const char *cue_filename, int track_n)
{
char buf[4096] = {0};
snprintf(buf, sizeof buf, "cue://%s/%d", cue_filename, track_n);
return xstrdup(buf);
}