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-rw-r--r--isisd/iso_checksum.c97
1 files changed, 0 insertions, 97 deletions
diff --git a/isisd/iso_checksum.c b/isisd/iso_checksum.c
index abd101b9..294fe994 100644
--- a/isisd/iso_checksum.c
+++ b/isisd/iso_checksum.c
@@ -75,100 +75,3 @@ iso_csum_verify (u_char * buffer, int len, uint16_t * csum)
return 0;
return 1;
}
-<<<<<<< HEAD:isisd/iso_checksum.c
-
-/*
- * Creates the checksum. *csum points to the position of the checksum in the
- * PDU.
- * Based on Annex C.4 of ISO/IEC 8473
- */
-#define FIXED_CODE
-u_int16_t
-iso_csum_create (u_char * buffer, int len, u_int16_t n)
-{
-
- u_int8_t *p;
- int x;
- int y;
- u_int32_t mul;
- u_int32_t c0;
- u_int32_t c1;
- u_int16_t checksum;
- u_int16_t *csum;
- int i, init_len, partial_len;
-
- checksum = 0;
-
- /*
- * Zero the csum in the packet.
- */
- csum = (u_int16_t *) (buffer + n);
- *(csum) = checksum;
-
- p = buffer;
- c0 = 0;
- c1 = 0;
- init_len = len;
-
- while (len != 0)
- {
- partial_len = MIN(len, 5803);
-
- for (i = 0; i < partial_len; i++)
- {
- c0 = c0 + *(p++);
- c1 += c0;
- }
-
- c0 = c0 % 255;
- c1 = c1 % 255;
-
- len -= partial_len;
- }
-
- mul = (init_len - n)*(c0);
-
-#ifdef FIXED_CODE
- x = mul - c0 - c1;
- y = c1 - mul - 1;
-
- if (y > 0)
- y++;
- if (x < 0)
- x--;
-
- x %= 255;
- y %= 255;
-
- if (x == 0)
- x = 255;
- if (y == 0)
- y = 1;
-
- checksum = (y << 8) | (x & 0xFF);
-
-#else
- x = mul - c0 - c1;
- x %= 255;
-
- y = c1 - mul - 1;
- y %= 255;
-
- if (x == 0)
- x = 255;
- if (y == 0)
- y = 255;
-
- checksum = ((y << 8) | x);
-#endif
-
- /*
- * Now we write this to the packet
- */
- *(csum) = checksum;
-
- /* return the checksum for user usage */
- return checksum;
-}
-=======
->>>>>>> 41dc3488cf127a1e23333459a0c316ded67f7ff3:isisd/iso_checksum.c