From 9ce642f9746dfc29d119d0680b769677e3ea6da6 Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Wed, 27 Oct 2010 15:26:45 +0200 Subject: libbb: introduce and use common crc32 routine function old new delta crc32_block_endian1 - 37 +37 crc32_block_endian0 - 34 +34 global_crc32_table - 8 +8 file_read 82 87 +5 gzip_main 211 214 +3 xz_crc32 40 35 -5 crc32_table 8 - -8 calculate_gunzip_crc 54 34 -20 lzo_crc32 54 25 -29 cksum_main 298 211 -87 ------------------------------------------------------------------------------ (add/remove: 3/1 grow/shrink: 2/4 up/down: 87/-149) Total: -62 bytes Signed-off-by: Denys Vlasenko --- util-linux/fdisk_gpt.c | 13 +++---------- 1 file changed, 3 insertions(+), 10 deletions(-) (limited to 'util-linux') diff --git a/util-linux/fdisk_gpt.c b/util-linux/fdisk_gpt.c index 98803ec..4dfb5b2 100644 --- a/util-linux/fdisk_gpt.c +++ b/util-linux/fdisk_gpt.c @@ -46,8 +46,6 @@ static unsigned int n_parts; static unsigned int part_array_len; static unsigned int part_entry_len; -static uint32_t *crc32_table; - static inline gpt_partition * gpt_part(int i) { @@ -61,12 +59,7 @@ gpt_part(int i) static uint32_t gpt_crc32(void *buf, int len) { - uint32_t crc = 0xffffffff; - - for (; len > 0; len--, buf++) { - crc = crc32_table[(crc ^ *((char *)buf)) & 0xff] ^ (crc >> 8); - } - return crc ^ 0xffffffff; + return 0xffffffff ^ crc32_block_endian0(0xffffffff, buf, len, global_crc32_table); } static void @@ -160,8 +153,8 @@ check_gpt_label(void) return 0; } - if (!crc32_table) { - crc32_table = crc32_filltable(NULL, 0); + if (!global_crc32_table) { + global_crc32_table = crc32_filltable(NULL, 0); } crc = SWAP_LE32(gpt_hdr->hdr_crc32); -- cgit v1.1