shithub: libtags

ref: 1ea45f339a2046b608a05417c2a124eedd82f384
dir: /mod.c/

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#include "tagspriv.h"

/* insane. */
static char* variants[] =
{
	"M.K.",
	"M!K!",
	"M&K!",
	"N.T.",
	"NSMS",
	"FLT4",
	"M\0\0\0",
	"8\0\0\0",
	"FEST",
	"FLT8",
	"CD81",
	"OCTA",
	"OKTA",
	"16CN",
	"32CN",
	nil,
};

int
tagmod(Tagctx *ctx)
{
	char d[20+1];
	int i;

	if (ctx->seek(ctx, 1080, 0) != 1080)
		return -1;
	if (ctx->read(ctx, d, 4) != 4)
		return -1;
	for (i = 0; ; i++)
		if (variants[i] == nil)
			return -1;
		else if (memcmp(d, variants[i], 4) == 0)
			break;
	memset(d, 0, sizeof d);
	if (ctx->seek(ctx, 0, 0) != 0)
		return -1;
	if (ctx->read(ctx, d, 20) != 20)
		return -1;
	txtcb(ctx, Ttitle, "", d);
	return 0;
}