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-rw-r--r--package/mtd/src/trx.c34
1 files changed, 1 insertions, 33 deletions
diff --git a/package/mtd/src/trx.c b/package/mtd/src/trx.c
index 5457a365bb..f48317589c 100644
--- a/package/mtd/src/trx.c
+++ b/package/mtd/src/trx.c
@@ -31,6 +31,7 @@
#include <sys/ioctl.h>
#include "mtd-api.h"
#include "mtd.h"
+#include "crc32.h"
#define TRX_MAGIC 0x30524448 /* "HDR0" */
struct trx_header {
@@ -41,39 +42,6 @@ struct trx_header {
unsigned offsets[3]; /* Offsets of partitions from start of header */
};
-static unsigned long *crc32 = NULL;
-
-static void init_crc32()
-{
- unsigned long crc;
- unsigned long poly = 0xEDB88320L;
- int n, bit;
-
- if (crc32)
- return;
-
- crc32 = (unsigned long *) malloc(256 * sizeof(unsigned long));
- if (!crc32) {
- perror("malloc");
- exit(1);
- }
-
- for (n = 0; n < 256; n++) {
- crc = (unsigned long) n;
- for (bit = 0; bit < 8; bit++)
- crc = (crc & 1) ? (poly ^ (crc >> 1)) : (crc >> 1);
- crc32[n] = crc;
- }
-}
-
-static unsigned int crc32buf(char *buf, size_t len)
-{
- unsigned int crc = 0xFFFFFFFF;
- for (; len; len--, buf++)
- crc = crc32[(crc ^ *buf) & 0xff] ^ (crc >> 8);
- return crc;
-}
-
int
trx_fixup(int fd, const char *name)
{