From: Szabolcs Nagy <nsz@port70.net>
Date: Thu, 14 Mar 2019 23:05:04 +0000 (+0000)
Subject: add an sscanf regression test
X-Git-Url: http://nsz.repo.hu/git/?p=libc-test;a=commitdiff_plain;h=281b80f0e70fe28356c3f0ded8b86f28a5c74d0a

add an sscanf regression test
---

diff --git a/src/regression/sscanf-eof.c b/src/regression/sscanf-eof.c
new file mode 100644
index 0000000..f67a378
--- /dev/null
+++ b/src/regression/sscanf-eof.c
@@ -0,0 +1,18 @@
+// introduced by d6c855caa88ddb1ab6e24e23a14b1e7baf4ba9c7 2018-09-15
+// sscanf may crash on short input
+#include <stdio.h>
+#include "test.h"
+
+int main(void)
+{
+	const char *s = "0";
+	const char *fmt = "%f%c";
+	float f = 1.0f;
+	char c = 'x';
+	int r = sscanf(s, fmt, &f, &c);
+	if (r != 1)
+		t_error("sscanf(\"%s\", \"%s\",..) returned %d, wanted 1\n", s, fmt, r);
+	if (f != 0.0f || c != 'x')
+		t_error("sscanf(\"%s\", \"%s\",..) assigned f=%f c='%c', wanted i=0 c='x'\n", s, fmt, f, c);
+	return t_status;
+}