diff options
Diffstat (limited to 'patch-delta.c')
| -rw-r--r-- | patch-delta.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/patch-delta.c b/patch-delta.c index 98c27beb2..c0e131143 100644 --- a/patch-delta.c +++ b/patch-delta.c @@ -44,16 +44,15 @@ void *patch_delta(void *src_buf, unsigned long src_size, cmd = *data++; if (cmd & 0x80) { unsigned long cp_off = 0, cp_size = 0; - const unsigned char *buf; if (cmd & 0x01) cp_off = *data++; if (cmd & 0x02) cp_off |= (*data++ << 8); if (cmd & 0x04) cp_off |= (*data++ << 16); if (cmd & 0x08) cp_off |= (*data++ << 24); if (cmd & 0x10) cp_size = *data++; if (cmd & 0x20) cp_size |= (*data++ << 8); + if (cmd & 0x40) cp_size |= (*data++ << 16); if (cp_size == 0) cp_size = 0x10000; - buf = (cmd & 0x40) ? dst_buf : src_buf; - memcpy(out, buf + cp_off, cp_size); + memcpy(out, src_buf + cp_off, cp_size); out += cp_size; } else { memcpy(out, data, cmd); |