Adding upstream version 2:4.20.0+dfsg.upstream/2%4.20.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 36 insertions, 0 deletions

diff --git a/tests/readlink.c b/tests/readlink.c
new file mode 100644
index 0000000..a09eba4
--- /dev/null
+++ b/tests/readlink.c
@@ -0,0 +1,36 @@
+/* test whether readlink returns a short buffer incorrectly.
+   We need to return 0 in case readlink is *broken* here - this is because our waf
+   CHECK_CODE function does only allow generating defines in case the test succeeds
+*/
+
+#if defined(HAVE_UNISTD_H)
+#include <unistd.h>
+#endif
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#define DATA "readlink.test"
+#define FNAME "rdlnk.file"
+
+int main(void)
+{
+	char buf[7];
+	int ret;
+	ssize_t rl_ret;
+
+	unlink(FNAME);
+	ret = symlink(DATA, FNAME);
+	if (ret == -1) {
+		exit(0);
+	}
+
+	rl_ret = readlink(FNAME, buf, sizeof(buf));
+	if (rl_ret == -1) {
+		unlink(FNAME);
+		exit(0);
+	}
+	unlink(FNAME);
+	exit(1);
+}