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cleanup mtd, implement jffs2write - one step closer to config preserving system upgrades

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8444 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
nbd
2007-08-20 16:12:24 +00:00
parent 4f8894887d
commit c52dd373c6
8 changed files with 810 additions and 135 deletions
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19
package/mtd/src/crc32.h Normal file
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@@ -0,0 +1,19 @@
#ifndef CRC32_H
#define CRC32_H
#include <stdint.h>
extern const uint32_t crc32_table[256];
/* Return a 32-bit CRC of the contents of the buffer. */
static inline uint32_t
crc32(uint32_t val, const void *ss, int len)
{
const unsigned char *s = ss;
while (--len >= 0)
val = crc32_table[(val ^ *s++) & 0xff] ^ (val >> 8);
return val;
}
#endif