Source and destination overlap in memcpy, cstr_cat (tccpp.c:322)

This code is from "Improve hash performance"

seyko committed 10 years ago

Commit 8db7a0f1 parent d25f67e1 file · +1 −1Browse files

Unified · Split

@@ -319,7 +319,7 @@ ST_FUNC void cstr_cat(CString cstr, const char str, int len) · 318 unmodified lines
319	319	size = cstr->size + len;
320	320	if (size > cstr->size_allocated)
321	321	cstr_realloc(cstr, size);
322		− memcpy(((unsigned char *)cstr->data) + cstr->size, str, len);
	322	+ memmove(((unsigned char *)cstr->data) + cstr->size, str, len);
323	323	cstr->size = size;
324	324	}
325	325

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