X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;ds=sidebyside;f=src%2Fstdio%2F__uflow.c;h=2a88bca6b123cc2143911783a09a9cac0ce53773;hb=7c0c7a75ec8ecf3eedefc40bb4dae5aaa76d7108;hp=544dda982dbf0abf4ae703825d91e84ffd2bd94a;hpb=e3cd6c5c265cd481db6e0c5b529855d99f0bda30;p=musl

diff --git a/src/stdio/__uflow.c b/src/stdio/__uflow.c
index 544dda98..2a88bca6 100644
--- a/src/stdio/__uflow.c
+++ b/src/stdio/__uflow.c
@@ -1,11 +1,11 @@
 #include "stdio_impl.h"
 
-/* This function will never be called if there is already data
- * buffered for reading. Thus we can get by with very few branches. */
+/* This function assumes it will never be called if there is already
+ * data buffered for reading. */
 
 int __uflow(FILE *f)
 {
-	unsigned char c = EOF;
-	if (f->rend || !__toread(f)) f->read(f, &c, 1);
-	return c;
+	unsigned char c;
+	if (!__toread(f) && f->read(f, &c, 1)==1) return c;
+	return EOF;
 }