X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fstdio%2Ffwrite.c;h=7a567b2c55a94b30288444bd93f6fc48fff7e433;hb=868c96430093cd864512283b43071cb70b39b24e;hp=1b8641acadbfc5f9d9c34070ba6b424ee63dabb3;hpb=cea106fb8976d04b916953469439bc58fa111266;p=musl

diff --git a/src/stdio/fwrite.c b/src/stdio/fwrite.c
index 1b8641ac..7a567b2c 100644
--- a/src/stdio/fwrite.c
+++ b/src/stdio/fwrite.c
@@ -1,6 +1,7 @@
 #include "stdio_impl.h"
+#include <string.h>
 
-size_t __fwritex(const unsigned char *s, size_t l, FILE *f)
+size_t __fwritex(const unsigned char *restrict s, size_t l, FILE *restrict f)
 {
 	size_t i=0;
 
@@ -12,8 +13,8 @@ size_t __fwritex(const unsigned char *s, size_t l, FILE *f)
 		/* Match /^(.*\n|)/ */
 		for (i=l; i && s[i-1] != '\n'; i--);
 		if (i) {
-			if (f->write(f, s, i) < i)
-				return i;
+			size_t n = f->write(f, s, i);
+			if (n < i) return n;
 			s += i;
 			l -= i;
 		}
@@ -24,10 +25,10 @@ size_t __fwritex(const unsigned char *s, size_t l, FILE *f)
 	return l+i;
 }
 
-size_t fwrite(const void *src, size_t size, size_t nmemb, FILE *f)
+size_t fwrite(const void *restrict src, size_t size, size_t nmemb, FILE *restrict f)
 {
 	size_t k, l = size*nmemb;
-	if (!l) return l;
+	if (!size) nmemb = 0;
 	FLOCK(f);
 	k = __fwritex(src, l, f);
 	FUNLOCK(f);