libnjb 2.2.7

deltr.c
#include "common.h"
void usage (void);
int main (int argc, char **argv)
{
njb_t njbs[NJB_MAX_DEVICES], *njb;
u_int32_t id;
int n, debug, syntax, opt;
extern int optind;
extern char *optarg;
char *endptr;
debug= syntax= 0;
while ( (opt= getopt(argc, argv, "D:")) != -1 ) {
switch (opt) {
case 'D':
debug= atoi(optarg);
break;
default:
usage();
}
}
argc-= optind;
argv+= optind;
if ( argc != 1 ) usage();
id= strtoul(argv[0], &endptr, 10);
if ( endptr[0] != '\0' ) {
fprintf(stderr, "invalid track id %s\n", argv[0]);
return 1;
}
if ( debug ) NJB_Set_Debug(debug);
if ( NJB_Discover(njbs, 0, &n) == -1 ) {
fprintf(stderr, "could not locate any jukeboxes\n");
return 1;
}
if ( n == 0 ) {
fprintf(stderr, "no NJB devices found\n");
return 0;
}
njb= njbs;
if ( NJB_Open(njb) == -1 ) {
NJB_Error_Dump(njb, stderr);
return 1;
}
if ( NJB_Capture(njb) == -1 ) {
NJB_Error_Dump(njb, stderr);
return 1;
}
if ( NJB_Delete_Track(njb, id) == -1 ) {
NJB_Error_Dump(njb, stderr);
}
NJB_Release(njb);
NJB_Close(njb);
return 0;
}
void usage (void)
{
fprintf(stderr, "usage: deltr [ -D debuglvl ] <trackid>\n");
exit(1);
}