From b2c59541b47e98fe69ab973ca4ab2688d70aac23 Mon Sep 17 00:00:00 2001 From: Amaury Pouly Date: Sun, 17 Apr 2011 22:30:09 +0000 Subject: sbtoelf: fix to handle unencrypted files (minor tweak) elftosb: properly generate sb file (encryption not implemented yet) git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29742 a1c6a512-1295-4272-9138-f99709370657 --- utils/sbtools/crc.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'utils/sbtools/crc.c') diff --git a/utils/sbtools/crc.c b/utils/sbtools/crc.c index 8030141567..eaf257ddfe 100644 --- a/utils/sbtools/crc.c +++ b/utils/sbtools/crc.c @@ -70,7 +70,12 @@ static uint32_t crc_table[256] = { uint32_t crc(byte *data, int size) { - uint32_t c = 0xffffffff; + return crc_continue(0xffffffff, data, size); +} + +uint32_t crc_continue(uint32_t previous_crc, byte *data, int size) +{ + uint32_t c = previous_crc; /* normal CRC */ for(int i = 0; i < size; i++) c = crc_table[data[i] ^ (c >> 24)] ^ (c << 8); -- cgit v1.2.3