Update readlink.c and readlinkat.c to use larger buffers on Darwin.

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@324016 91177308-0d34-0410-b5e6-96231b3b80d8

2 files changed, 17 insertions, 5 deletions

diff --git a/test/sanitizer_common/TestCases/Posix/readlink.c b/test/sanitizer_common/TestCases/Posix/readlink.c
index e140720b5..f32cd8000 100644
--- a/test/sanitizer_common/TestCases/Posix/readlink.c
+++ b/test/sanitizer_common/TestCases/Posix/readlink.c
@@ -8,20 +8,26 @@
 #include <sys/types.h>
 #include <unistd.h>
 
+#ifdef __APPLE__
+#define LEN PATH_MAX
+#else
+#define LEN NAME_MAX
+#endif
+
 int main(int argc, char **argv) {
-  char symlink_path[NAME_MAX];
+  char symlink_path[LEN];
   snprintf(symlink_path, sizeof(symlink_path), "%s_%d.symlink", argv[0],
            getpid());
   int res = symlink(argv[0], symlink_path);
   assert(!res);
 
-  char readlink_path[NAME_MAX];
+  char readlink_path[LEN];
   ssize_t res2 = readlink(symlink_path, readlink_path, sizeof(readlink_path));
   assert(res2 >= 0);
   readlink_path[res2] = '\0';
   assert(!strcmp(readlink_path, argv[0]));
 
-  char readlinkat_path[NAME_MAX];
+  char readlinkat_path[LEN];
   res2 = readlinkat(AT_FDCWD, symlink_path, readlinkat_path,
                     sizeof(readlink_path));
   assert(res2 >= 0);
diff --git a/test/sanitizer_common/TestCases/Posix/readlinkat.c b/test/sanitizer_common/TestCases/Posix/readlinkat.c
index e35e71e0b..0ac06ea61 100644
--- a/test/sanitizer_common/TestCases/Posix/readlinkat.c
+++ b/test/sanitizer_common/TestCases/Posix/readlinkat.c
@@ -7,14 +7,20 @@
 #include <string.h>
 #include <unistd.h>
 
+#ifdef __APPLE__
+#define LEN PATH_MAX
+#else
+#define LEN NAME_MAX
+#endif
+
 int main(int argc, char **argv) {
-  char symlink_path[NAME_MAX];
+  char symlink_path[LEN];
   snprintf(symlink_path, sizeof(symlink_path), "%s_%d.symlink", argv[0],
            getpid());
   int res = symlink(argv[0], symlink_path);
   assert(!res);
 
-  char readlinkat_path[NAME_MAX];
+  char readlinkat_path[LEN];
   int res2 = readlinkat(AT_FDCWD, symlink_path, readlinkat_path,
                         sizeof(readlinkat_path));
   assert(res2 >= 0);