From 8db7a0f7af3dcda799cc35e455a52635e3ad7e8f Mon Sep 17 00:00:00 2001
From: seyko <seyko2@gmail.com>
Date: Fri, 22 Apr 2016 18:21:09 +0300
Subject: [PATCH] Source and destination overlap in memcpy, cstr_cat
(tccpp.c:322)
This code is from "Improve hash performance"
---
tccpp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tccpp.c b/tccpp.c
index 026e62a9..b9919442 100644
--- a/tccpp.c
+++ b/tccpp.c
@@ -319,7 +319,7 @@ ST_FUNC void cstr_cat(CString *cstr, const char *str, int len)
size = cstr->size + len;
if (size > cstr->size_allocated)
cstr_realloc(cstr, size);
- memcpy(((unsigned char *)cstr->data) + cstr->size, str, len);
+ memmove(((unsigned char *)cstr->data) + cstr->size, str, len);
cstr->size = size;
}