1 files changed, 9 insertions, 1 deletions

diff --git a/cstring/src/cstring.c b/cstring/src/cstring.c
index 832cb85..100c130 100644
--- a/cstring/src/cstring.c
+++ b/cstring/src/cstring.c
@@ -23,7 +23,7 @@ string string_new(const char* cstr) {
 void string_del(string* str) {
   if (str->data) {
     free((void*)str->data);
-    str->data   = 0;
+    str->data   = nullptr;
     str->length = 0;
   }
 }
@@ -101,3 +101,11 @@ string string_format_size(size_t size) {
       .length = length,
   };
 }
+
+uint64_t cstring_hash(const char* str) {
+  uint64_t hash = 0;
+  for (size_t i = 0; i < strlen(str); ++i) {
+    hash = (uint64_t)str[i] + (hash << 6) + (hash << 16) - hash;
+  }
+  return hash;
+}