[Sanitizer] Intercept fdevname on FreeBSD

- Is a file descriptor flavor FreeBSD's specific.
- reentrant version included.

Reviewers: vitalybuka, krytarowski, emaste

Reviewed By: emaste

Differential Revision: https://reviews.llvm.org/D56268


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@350658 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 44 insertions, 0 deletions

diff --git a/test/sanitizer_common/TestCases/FreeBSD/fdevname.cc b/test/sanitizer_common/TestCases/FreeBSD/fdevname.cc
new file mode 100644
index 000000000..252335e9a
--- /dev/null
+++ b/test/sanitizer_common/TestCases/FreeBSD/fdevname.cc
@@ -0,0 +1,44 @@
+// RUN: %clangxx -O0 -g %s -o %t && %run %t 2>&1 | FileCheck %s
+
+#include <assert.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/stat.h>
+
+void test_fdevname() {
+  int fd = open("/dev/null", O_RDONLY);
+  char *name;
+  
+  printf("test_fdevname\n");
+  assert(fd != -1);
+  assert((name = fdevname(fd)));
+  close(fd);
+
+  printf("%s\n", name);
+}
+
+void test_fdevname_r() {
+  int fd = open("/dev/null", O_RDONLY);
+  char *name;
+  char buf[5];
+
+  printf("test_fdevname_r\n");
+  assert(fd != -1);
+  assert((name = fdevname_r(fd, buf, sizeof(buf))));
+  close(fd);
+
+  printf("%s\n", name);
+}
+
+int main(void) {
+  test_fdevname();
+  test_fdevname_r();
+  // CHECK: test_fdevname
+  // CHECK: null
+  // CHECK: test_fdevname_r
+  // CHECK: null
+
+  return 0;
+}