X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fstdio%2Ffread.c;h=a2116da61370bd829c634353ad6f6fa6732d0d8b;hb=3a23cd06b08054f81bf904c414e0d083a56248f2;hp=33a65f586ead4649ef537ce53780ea7e12fd0e8e;hpb=6e2bb7acf42589fb7130b039d0623e2ca42503dd;p=musl

diff --git a/src/stdio/fread.c b/src/stdio/fread.c
index 33a65f58..a2116da6 100644
--- a/src/stdio/fread.c
+++ b/src/stdio/fread.c
@@ -7,12 +7,13 @@ size_t fread(void *restrict destv, size_t size, size_t nmemb, FILE *restrict f)
 {
 	unsigned char *dest = destv;
 	size_t len = size*nmemb, l = len, k;
+	if (!size) nmemb = 0;
 
 	FLOCK(f);
 
 	f->mode |= f->mode-1;
 
-	if (f->rend - f->rpos > 0) {
+	if (f->rpos != f->rend) {
 		/* First exhaust the buffer. */
 		k = MIN(f->rend - f->rpos, l);
 		memcpy(dest, f->rpos, k);
@@ -24,7 +25,7 @@ size_t fread(void *restrict destv, size_t size, size_t nmemb, FILE *restrict f)
 	/* Read the remainder directly */
 	for (; l; l-=k, dest+=k) {
 		k = __toread(f) ? 0 : f->read(f, dest, l);
-		if (k+1<=1) {
+		if (!k) {
 			FUNLOCK(f);
 			return (len-l)/size;
 		}