X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/38700c7f24646dfbc6ac0ed529d3ed727c545cd0..25deea90c2ad85845eeb2227e583ef92ead9147e:/cpack.c

diff --git a/cpack.c b/cpack.c
index 88028a3d..e37d813d 100644
--- a/cpack.c
+++ b/cpack.c
@@ -33,13 +33,13 @@
 
 #include <stdlib.h>
 #include <string.h>
-#include <tcpdump-stdinc.h>
+#include <netdissect-stdinc.h>
 
 #include "cpack.h"
 #include "extract.h"
 
-uint8_t *
-cpack_next_boundary(uint8_t *buf, uint8_t *p, size_t alignment)
+const uint8_t *
+cpack_next_boundary(const uint8_t *buf, const uint8_t *p, size_t alignment)
 {
 	size_t misalignment = (size_t)(p - buf) % alignment;
 
@@ -53,10 +53,10 @@ cpack_next_boundary(uint8_t *buf, uint8_t *p, size_t alignment)
  * wordsize bytes remain in the buffer after the boundary.  Otherwise,
  * return a pointer to the boundary.
  */
-uint8_t *
+const uint8_t *
 cpack_align_and_reserve(struct cpack_state *cs, size_t wordsize)
 {
-	uint8_t *next;
+	const uint8_t *next;
 
 	/* Ensure alignment. */
 	next = cpack_next_boundary(cs->c_buf, cs->c_next, wordsize);
@@ -80,7 +80,7 @@ cpack_advance(struct cpack_state *cs, const size_t toskip)
 }
 
 int
-cpack_init(struct cpack_state *cs, uint8_t *buf, size_t buflen)
+cpack_init(struct cpack_state *cs, const uint8_t *buf, size_t buflen)
 {
 	memset(cs, 0, sizeof(*cs));
 
@@ -95,7 +95,7 @@ cpack_init(struct cpack_state *cs, uint8_t *buf, size_t buflen)
 int
 cpack_uint64(struct cpack_state *cs, uint64_t *u)
 {
-	uint8_t *next;
+	const uint8_t *next;
 
 	if ((next = cpack_align_and_reserve(cs, sizeof(*u))) == NULL)
 		return -1;
@@ -111,7 +111,7 @@ cpack_uint64(struct cpack_state *cs, uint64_t *u)
 int
 cpack_uint32(struct cpack_state *cs, uint32_t *u)
 {
-	uint8_t *next;
+	const uint8_t *next;
 
 	if ((next = cpack_align_and_reserve(cs, sizeof(*u))) == NULL)
 		return -1;
@@ -127,7 +127,7 @@ cpack_uint32(struct cpack_state *cs, uint32_t *u)
 int
 cpack_uint16(struct cpack_state *cs, uint16_t *u)
 {
-	uint8_t *next;
+	const uint8_t *next;
 
 	if ((next = cpack_align_and_reserve(cs, sizeof(*u))) == NULL)
 		return -1;