fix getc - the classic error of trying to store EOF+0-255 in a char type..

05b69402 · Rich Felker · e3cd6c5c · 05b69402
隐藏空白更改
内联并排

Showing with 3 addition and 3 deletion

src/stdio/__uflow.c src/stdio/__uflow.c +3 -3

未找到文件。
--- a/src/stdio/__uflow.c
+++ b/src/stdio/__uflow.c
@@ -5,7 +5,7 @@

 int __uflow(FILE *f)
 {
-	unsigned char c = EOF;
-	if (f->rend || !__toread(f)) f->read(f, &c, 1);
-	return c;
+	unsigned char c;
+	if ((f->rend || !__toread(f)) && f->read(f, &c, 1)==1) return c;
+	return EOF;
 }