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-rw-r--r--tests/readlink.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/tests/readlink.c b/tests/readlink.c
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--- /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);
+}