Fix big left-shifts of unsigned char

[thirdparty/git.git] / delta.h

diff --git a/delta.h b/delta.h
index 40ccf5a1e95f62d840a006274f7024fa43208b1c..b9d333dd5a1c64ab35159ed608cf942951504f84 100644 (file)
--- a/delta.h
+++ b/delta.h
@@ -90,12 +90,11 @@ static inline unsigned long get_delta_hdr_size(const unsigned char **datap,
                                               const unsigned char *top)
 {
        const unsigned char *data = *datap;
-       unsigned char cmd;
-       unsigned long size = 0;
+       unsigned long cmd, size = 0;
        int i = 0;
        do {
                cmd = *data++;
-               size |= (cmd & ~0x80) << i;
+               size |= (cmd & 0x7f) << i;
                i += 7;
        } while (cmd & 0x80 && data < top);
        *datap = data;