uxn

commit 19c16081c6bd374cf50e28b43332115707ce917d
parent 6c1720e328d2ed6d5e9ac0a6a84f57ac2d360d84
Author: Sigrid Solveig Haflínudóttir <ftrvxmtrx@gmail.com>
Date:   Wed, 17 Nov 2021 14:21:27 +0100

load: don't leak file handles; don't ignore read errors

Diffstat:
M
src/uxnemu.c
 | 
5
++++-

1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/src/uxnemu.c b/src/uxnemu.c
@@ -422,8 +422,11 @@ static int
 load(Uxn *u, char *rom)
 {
 	FILE *f;
+	int r;
 	if(!(f = fopen(rom, "rb"))) return 0;
-	fread(u->ram.dat + PAGE_PROGRAM, sizeof(u->ram.dat) - PAGE_PROGRAM, 1, f);
+	r = fread(u->ram.dat + PAGE_PROGRAM, 1, sizeof(u->ram.dat) - PAGE_PROGRAM, f);
+	fclose(f);
+	if(r < 1) return 0;
 	fprintf(stderr, "Loaded %s\n", rom);
 	SDL_SetWindowTitle(gWindow, rom);
 	return 1;