add cheap SHA1 implementation

2 files changed, 6 insertions, 1 deletions

diff --git a/src/uuid/uuid.c b/src/uuid/uuid.c
index 0dfcfbd..e1498fc 100644
--- a/src/uuid/uuid.c
+++ b/src/uuid/uuid.c
@@ -74,7 +74,7 @@ bool l2_uuid_from_string_short(uuid_t *id, const char *str)
   if (!l2__str_to_uint64(outid.halves + 1, str)) return false;
   if (!l2__str_to_uint64(outid.halves, str + 16)) return false;
 
-  memcpy(id, &outid, sizeof(uuid_t));
+  l2_uuid_copy(id, &outid);
   return true;
 }
 
@@ -83,6 +83,10 @@ int l2_uuid_compare(const uuid_t *c1, const uuid_t *c2)
   return memcmp(c1, c2, sizeof(uuid_t));
 }
 
+void l2_uuid_copy(uuid_t *restrict dest, const uuid_t *restrict in) {
+  memcpy(dest, in, sizeof(uuid_t));
+}
+
 /* This function exists because there's not a portable way to do this.
  * Don't suggest strtoull, because uint64_t may not be a ulonglong. */
 bool l2__str_to_uint64(uint64_t *out, const char *str)
diff --git a/src/uuid/uuid.h b/src/uuid/uuid.h
index 7ddeeb4..eb1d41e 100644
--- a/src/uuid/uuid.h
+++ b/src/uuid/uuid.h
@@ -28,5 +28,6 @@ bool l2_uuid_from_string(uuid_t *id, const char *str);
 bool l2_uuid_from_string_short(uuid_t *id, const char *str);
 
 int l2_uuid_compare(const uuid_t *c1, const uuid_t *c2);
+void l2_uuid_copy(uuid_t *restrict dest, const uuid_t *restrict src);
 
 #endif /* include guard */