X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fstdio%2Ffread.c;h=aef75f7376f700dd584bf346ab1b7b17717ab097;hb=b6e1fe0d5e78dac647e85d49c2d537bb071ba49e;hp=5c2357776dc71ccf983ee7015f9ff2b02824bf69;hpb=94a0171d807dc94302d6505041fc58879c27f3bd;p=musl

diff --git a/src/stdio/fread.c b/src/stdio/fread.c
index 5c235777..aef75f73 100644
--- a/src/stdio/fread.c
+++ b/src/stdio/fread.c
@@ -1,17 +1,18 @@
 #include "stdio_impl.h"
+#include <string.h>
 
 #define MIN(a,b) ((a)<(b) ? (a) : (b))
 
-size_t fread(void *destv, size_t size, size_t nmemb, FILE *f)
+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;
-
-	/* Never touch the file if length is zero.. */
-	if (!l) return 0;
+	if (!size) nmemb = 0;
 
 	FLOCK(f);
 
+	f->mode |= f->mode-1;
+
 	if (f->rend - f->rpos > 0) {
 		/* First exhaust the buffer. */
 		k = MIN(f->rend - f->rpos, l);