firmware-utils/buffalo-enc: explicitly use signed char for checksum function

ARM defaults to unsigned char and that breaks the calculation, as it
relies on sign extension

Signed-off-by: Felix Fietkau <nbd@openwrt.org>

SVN-Revision: 47186
master
Felix Fietkau 9 years ago
parent 772e2c0a77
commit 86492a1eb8
  1. 2
      tools/firmware-utils/src/buffalo-lib.c

@ -179,7 +179,7 @@ int bcrypt_buf(unsigned char seed, unsigned char *key, unsigned char *src,
uint32_t buffalo_csum(uint32_t csum, void *buf, unsigned long len)
{
char *p = buf;
signed char *p = buf;
while (len--) {
int i;

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