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/* "database.c" copyright 1994 thomas insel */
#include <stdio.h>
#include <string.h>
#include <pwd.h>
#include <stdlib.h>
#include "config.h"
#include "database.h"
static char rcsid[] = "$Id: database.c,v 1.2 1997/12/23 21:38:52 wadeh Exp $";
cd_t *
read_db(char *tracks_buffer, char usedb) {
/* given "tracks" line in tracks_buffer, search databases for a
* corresponding entry, return cdname/artist/tracks information
*
* if the disc is listed more than once, this routine will return
* the last entry for the disc from the first file that has any
* entry for it.
*/
char *path_env = getenv("CDTOOLDBPATH");
char *path_bit;
char dbpath_count=1, cur_file=0, found_it=0;
struct passwd *prec = getpwuid(getuid());
cd_t *temp_cd = (cd_t *)malloc(sizeof(cd_t));
char dbpath[10][255];
if (!usedb) {
free ((void *)temp_cd);
return temp_cd;
}
/* first, put default file in search path */
strcpy(dbpath[0], prec->pw_dir);
strcat(dbpath[0], "/.cdtooldb");
/* read search path from environment */
if (path_env != NULL)
while (dbpath_count < 9 &&
(path_bit=strsep(&path_env, ":\0")) != NULL)
strcpy(dbpath[dbpath_count++], path_bit);
/* check files in search path until the disc's entry is found */
while (!found_it && cur_file < dbpath_count) {
char read_buffer[2048], cur_track=0, printing=0;
FILE *fred = fopen(dbpath[cur_file], "r");
cur_file++;
while (fred != NULL && !feof(fred) ) {
fgets(read_buffer, 2048, fred);
if (strcmp(read_buffer, tracks_buffer) == 0) {
printing = 1;
found_it = 1;
} else if (strncmp(read_buffer, "tracks ", 7) == 0) {
printing = 0;
} else if (printing) {
if (strncmp(read_buffer,"track ",6) == 0)
strncpy(temp_cd->track_names[cur_track++],
&read_buffer[6],99);
else if (strncmp(read_buffer,"cdname ",7) == 0)
strncpy(temp_cd->cdname, &read_buffer[7],99);
else if (strncmp(read_buffer,"artist ",7) == 0)
strncpy(temp_cd->artist, &read_buffer[7],99);
}
}
if (fred == NULL)
{
int i;
temp_cd->cdname[0] = '\0';
temp_cd->artist[0] = '\0';
for (i=0 ; i<100 ; i++ )
temp_cd->track_names[i][0] = '\0';
}
else
{
fclose(fred);
}
} /*while*/
return temp_cd;
}
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