Don't use memcpy when source and dest. buffers may overlap

[git.git] / imap-send.c

diff --git a/imap-send.c b/imap-send.c
index 362e4743740435dc0e5b08933c0e05c53b7b62af..a6a65680ee6daf062180d2580e83616cfff4cda4 100644 (file)
--- 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;
@@ -1226,6 +1226,14 @@ split_msg( msg_data_t *all_msgs, msg_data_t *msg, int *ofs )
        if (msg->len < 5 || strncmp( data, "From ", 5 ))
                return 0;
 
+       p = strchr( data, '\n' );
+       if (p) {
+               p = &p[1];
+               msg->len -= p-data;
+               *ofs += p-data;
+               data = p;
+       }
+
        p = strstr( data, "\nFrom " );
        if (p)
                msg->len = &p[1] - data;