From: Szabolcs Nagy <nsz@port70.net>
Date: Fri, 26 Jul 2013 16:47:03 +0000 (+0000)
Subject: regression: rewind should clear error flag
X-Git-Url: http://nsz.repo.hu/git/?p=libc-test;a=commitdiff_plain;h=d6b6cb500eddf4165e8f1876a0ecd99d9fbc0e44

regression: rewind should clear error flag
---

diff --git a/src/regression/rewind-clear-error.c b/src/regression/rewind-clear-error.c
new file mode 100644
index 0000000..e537590
--- /dev/null
+++ b/src/regression/rewind-clear-error.c
@@ -0,0 +1,28 @@
+// commit: a6238c30d169cbac6bc4c4977622242063e32270 2011-02-22
+// rewind should clear error
+#include <stdio.h>
+#include <unistd.h>
+#include "test.h"
+
+int main(void)
+{
+	char buf[1];
+	size_t n;
+	int fd;
+
+	// make sure fread fails
+	fd = dup(0);
+	close(0);
+
+	n = fread(buf, 1, sizeof buf, stdin);
+	if (n != 0 || !ferror(stdin))
+		t_error("fread(stdin) should have failed, got %d ferror %d feof %d\n",
+			n, ferror(stdin), feof(stdin));
+	if (dup(fd) != 0)
+		t_error("dup failed\n");
+
+	rewind(stdin);
+	if (ferror(stdin))
+		t_error("rewind failed to clear ferror\n");
+	return t_status;
+}