Sync from internal Google development.

1 files changed, 26 insertions, 0 deletions

diff --git a/bindings/linux/string.h b/bindings/linux/string.h
new file mode 100644
index 0000000..69de3fa
--- /dev/null
+++ b/bindings/linux/string.h
@@ -0,0 +1,26 @@
+/*
+ * upb - a minimalist implementation of protocol buffers.
+ *
+ * Copyright (c) 2012 Google Inc.  See LICENSE for details.
+ * Author: Josh Haberman <jhaberman@gmail.com>
+ */
+
+#ifndef UPB_LINUX_STRING_H_
+#define UPB_LINUX_STRING_H_
+
+#include <linux/string.h>
+#include <stdlib.h>
+#include "upb/upb.h"  // For INLINE.
+
+INLINE char *strdup(const char *s) {
+  size_t len = strlen(s);
+  char *ret = malloc(len + 1);
+  if (ret == NULL) return NULL;
+  // Be particularly defensive and guard against buffer overflow if there
+  // is a concurrent mutator.
+  strncpy(ret, s, len);
+  ret[len] = '\0';
+  return ret;
+}
+
+#endif  /* UPB_DEF_H_ */