10. Blocklist
Given a block name, print underlying blocks associated with it.
<<available_commands>>=
fprintf(stderr, "blklst: prints sub-blocks\n");
<<function_declarations>>=
static int get_blklst(int argc, char *argv[]);
<<functions>>=
static int get_blklst(int argc, char *argv[])
{
wmp_core core;
int rc;
wmp_segment s;
wmp_block b;
int next;
int prog;
prog = 0; /* TODO: make parameter */
if (argc < 2) {
fprintf(stderr, "Usage: %s NAME\n", argv[0]);
return 1;
}
rc = wmp_core_open(&core, wmp_filename_get());
if (!rc) return 0;
wmp_block_init(&b);
rc = wmp_lookup_block(&core, argv[1], &b, prog);
if (!rc) {
fprintf(stderr,
"Could not find block '%s'",
argv[1]);
return 1;
}
wmp_segment_init(&s);
wmp_find_segment(&core, b.head_segment, &s, prog);
while (1) {
next = s.nxtseg;
if (s.id == next || s.id <= 0) {
wmp_segment_free(&s);
break;
}
if (s.type == 1) {
printf("%s\n", s.str);
}
wmp_segment_free(&s);
wmp_segment_init(&s);
wmp_find_segment(&core, next, &s, prog);
}
wmp_block_free(&b);
wmp_core_close(&core);
return 0;
}
<<command_parsing>>=
else if (match(argv[1], len, "blklst", 6)) {
argv++;
argc--;
get_blklst(argc, argv);
}
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