addrom

commit 6a10f2f0461b89ad522d3e5bcf1479f5270c8ab3
parent 760855c5654538a5eeef7d8adf062cf65a5f50ea
Author: Quentin Rameau <quinq@fifth.space>
Date:   Tue, 10 Nov 2015 16:59:40 +0100

Regroup game count inscription

That is only needed once everything has been processed.
Always rewrite file header.

Diffstat:
addrom.c
 | 
17
++++-------------

1 file changed, 4 insertions(+), 13 deletions(-)
diff --git a/addrom.c b/addrom.c
@@ -70,12 +70,6 @@ getbingamecount(uint64_t n)
 }
 
 static void
-setgamecount(char *buf, const uint32_t hexcount)
-{
-	*(uint32_t *)(buf) = hexcount;
-}
-
-static void
 ereadinfile(char *datbuf, const ssize_t size, FILE *infile)
 {
 	if (fread(datbuf, 1, size, infile) != size)
@@ -180,9 +174,6 @@ main(int argc, char *argv[])
 
 		ereadinfile(outbuf, offset, infile);
 
-		setgamecount(outbuf + HEADERSZSZ,
-		    getbingamecount((infilesize - HEADERSZ) / ENTRYSZ + 1));
-
 		addrom(outbuf + offset, &rom);
 
 		ereadinfile(outbuf + offset + ENTRYSZ, infilesize - offset,
@@ -192,15 +183,15 @@ main(int argc, char *argv[])
 
 		outbuf = ecalloc(outbufsize);
 
-		*(uint32_t *)(outbuf) = HEADERSZ;
-
-		setgamecount(outbuf + HEADERSZSZ, getbingamecount(1));
-
 		offset = HEADERSZ;
 
 		addrom(outbuf + offset, &rom);
 	}
 
+	*(uint32_t *)(outbuf) = HEADERSZ;
+	*(uint32_t *)(outbuf + HEADERSZSZ) =
+	    getbingamecount((outbufsize - HEADERSZ) / ENTRYSZ);
+
 	/* write out buffer */
 	if (out && !(outfile = fopen(out, "w")))
 		die("Can't open output file %s\n", out);