Use memmove instead of memcpy for overlapping areas
From: Edgar Toernig <hidden>
Date: 2016-08-11 19:19:31
Subsystem:
the rest · Maintainer:
Linus Torvalds
There may be more - this is just the result of a quick eye-grep for memcpy(x, x+i).
diff --git a/imap-send.c b/imap-send.c
index 16804ab..88d635f 100644
--- a/imap-send.c
+++ b/imap-send.c@@ -272,7 +272,7 @@ buffer_gets( buffer_t * b, char **s ) n = b->bytes - start; if (n) - memcpy( b->buf, b->buf + start, n ); + memmove( b->buf, b->buf + start, n ); b->offset -= start; b->bytes = n; start = 0;
diff --git a/index-pack.c b/index-pack.c
index e33f605..a275982 100644
--- a/index-pack.c
+++ b/index-pack.c@@ -61,7 +61,7 @@ static void * fill(int min) die("cannot fill %d bytes", min); if (input_offset) { SHA1_Update(&input_ctx, input_buffer, input_offset); - memcpy(input_buffer, input_buffer + input_offset, input_len); + memmove(input_buffer, input_buffer + input_offset, input_len); input_offset = 0; } do {