From b08db17162fddda97e6ee1ac625eae1430d22b64 Mon Sep 17 00:00:00 2001
From: Aleksey Veresov <aleksey@veresov.pro>
Date: Fri, 29 Nov 2019 18:50:04 +0300
Subject: [magi] Almost done!

---
 src/utils.h | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

(limited to 'src/utils.h')

diff --git a/src/utils.h b/src/utils.h
index 15904d0..f67c66c 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -2,10 +2,14 @@
 #define MAGI_INCLUDED_UTILS
 
 
-void   magi_str_lowercase(char * str);
+void magi_str_lowercase(char * str);
+
+/* Results of both create functions are malloced, so need to be freed. */
 char * magi_str_create_copy(const char * begin, const char * end);
 char * magi_str_create(int len);
-char * magi_str_add(char * dest, int * len, int * size, char c);
+
+/* Null only in case of error. */
+int magi_str_add(char ** dest, int * len, int * size, char c);
 
 
 #endif
-- 
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