1 files changed, 54 insertions, 0 deletions
diff --git a/test/sanitizer_common/TestCases/Posix/strlcat.cc b/test/sanitizer_common/TestCases/Posix/strlcat.cc
new file mode 100644
index 000000000000..bdabada76aa7
--- /dev/null
+++ b/test/sanitizer_common/TestCases/Posix/strlcat.cc
@@ -0,0 +1,54 @@
+// RUN: %clangxx -O0 -g %s -o %t && %run %t
+
+// UNSUPPORTED: linux
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+void test1() {
+  const char src[] = "abc";
+  char dst[7] = {'x', 'y', 'z', 0};
+  size_t len;
+
+  len = strlcat(dst, src, sizeof(dst));
+  printf("%s %zu ", dst, len);
+}
+
+void test2() {
+  const char src[] = "abc";
+  char dst[7] = {0};
+  size_t len;
+
+  len = strlcat(dst, src, sizeof(dst));
+  printf("%s %zu ", dst, len);
+}
+
+void test3() {
+  const char src[] = "abc";
+  char dst[4] = {'x', 'y', 'z', 0};
+  size_t len;
+
+  len = strlcat(dst, src, sizeof(dst));
+  printf("%s %zu ", dst, len);
+}
+
+void test4() {
+  const char src[] = "";
+  char dst[4] = {'x', 'y', 'z', 0};
+  size_t len;
+
+  len = strlcat(dst, src, sizeof(dst));
+  printf("%s %zu\n", dst, len);
+}
+
+int main(void) {
+  test1();
+  test2();
+  test3();
+  test4();
+
+  // CHECK: xyzabc 6 abc 3 xyz 3 xyz 3
+
+  return 0;
+}