Commit e8cc49bb authored by Ralf Baechle's avatar Ralf Baechle Committed by David S. Miller

[AX.25]: Constify ax25 utility functions

Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6c1bbcc8
...@@ -283,14 +283,16 @@ extern struct sock *ax25_make_new(struct sock *, struct ax25_dev *); ...@@ -283,14 +283,16 @@ extern struct sock *ax25_make_new(struct sock *, struct ax25_dev *);
/* ax25_addr.c */ /* ax25_addr.c */
extern ax25_address null_ax25_address; extern ax25_address null_ax25_address;
extern char *ax2asc(char *buf, ax25_address *); extern char *ax2asc(char *buf, const ax25_address *);
extern void asc2ax(ax25_address *addr, char *callsign); extern void asc2ax(ax25_address *addr, const char *callsign);
extern int ax25cmp(ax25_address *, ax25_address *); extern int ax25cmp(const ax25_address *, const ax25_address *);
extern int ax25digicmp(ax25_digi *, ax25_digi *); extern int ax25digicmp(const ax25_digi *, const ax25_digi *);
extern unsigned char *ax25_addr_parse(unsigned char *, int, ax25_address *, ax25_address *, ax25_digi *, int *, int *); extern const unsigned char *ax25_addr_parse(const unsigned char *, int,
extern int ax25_addr_build(unsigned char *, ax25_address *, ax25_address *, ax25_digi *, int, int); ax25_address *, ax25_address *, ax25_digi *, int *, int *);
extern int ax25_addr_size(ax25_digi *); extern int ax25_addr_build(unsigned char *, const ax25_address *,
extern void ax25_digi_invert(ax25_digi *, ax25_digi *); const ax25_address *, const ax25_digi *, int, int);
extern int ax25_addr_size(const ax25_digi *);
extern void ax25_digi_invert(const ax25_digi *, ax25_digi *);
/* ax25_dev.c */ /* ax25_dev.c */
extern ax25_dev *ax25_dev_list; extern ax25_dev *ax25_dev_list;
......
...@@ -39,7 +39,7 @@ EXPORT_SYMBOL(null_ax25_address); ...@@ -39,7 +39,7 @@ EXPORT_SYMBOL(null_ax25_address);
/* /*
* ax25 -> ascii conversion * ax25 -> ascii conversion
*/ */
char *ax2asc(char *buf, ax25_address *a) char *ax2asc(char *buf, const ax25_address *a)
{ {
char c, *s; char c, *s;
int n; int n;
...@@ -72,7 +72,7 @@ EXPORT_SYMBOL(ax2asc); ...@@ -72,7 +72,7 @@ EXPORT_SYMBOL(ax2asc);
/* /*
* ascii -> ax25 conversion * ascii -> ax25 conversion
*/ */
void asc2ax(ax25_address *addr, char *callsign) void asc2ax(ax25_address *addr, const char *callsign)
{ {
char *s; char *s;
int n; int n;
...@@ -107,7 +107,7 @@ EXPORT_SYMBOL(asc2ax); ...@@ -107,7 +107,7 @@ EXPORT_SYMBOL(asc2ax);
/* /*
* Compare two ax.25 addresses * Compare two ax.25 addresses
*/ */
int ax25cmp(ax25_address *a, ax25_address *b) int ax25cmp(const ax25_address *a, const ax25_address *b)
{ {
int ct = 0; int ct = 0;
...@@ -128,7 +128,7 @@ EXPORT_SYMBOL(ax25cmp); ...@@ -128,7 +128,7 @@ EXPORT_SYMBOL(ax25cmp);
/* /*
* Compare two AX.25 digipeater paths. * Compare two AX.25 digipeater paths.
*/ */
int ax25digicmp(ax25_digi *digi1, ax25_digi *digi2) int ax25digicmp(const ax25_digi *digi1, const ax25_digi *digi2)
{ {
int i; int i;
...@@ -149,7 +149,9 @@ int ax25digicmp(ax25_digi *digi1, ax25_digi *digi2) ...@@ -149,7 +149,9 @@ int ax25digicmp(ax25_digi *digi1, ax25_digi *digi2)
* Given an AX.25 address pull of to, from, digi list, command/response and the start of data * Given an AX.25 address pull of to, from, digi list, command/response and the start of data
* *
*/ */
unsigned char *ax25_addr_parse(unsigned char *buf, int len, ax25_address *src, ax25_address *dest, ax25_digi *digi, int *flags, int *dama) const unsigned char *ax25_addr_parse(const unsigned char *buf, int len,
ax25_address *src, ax25_address *dest, ax25_digi *digi, int *flags,
int *dama)
{ {
int d = 0; int d = 0;
...@@ -204,7 +206,8 @@ unsigned char *ax25_addr_parse(unsigned char *buf, int len, ax25_address *src, a ...@@ -204,7 +206,8 @@ unsigned char *ax25_addr_parse(unsigned char *buf, int len, ax25_address *src, a
/* /*
* Assemble an AX.25 header from the bits * Assemble an AX.25 header from the bits
*/ */
int ax25_addr_build(unsigned char *buf, ax25_address *src, ax25_address *dest, ax25_digi *d, int flag, int modulus) int ax25_addr_build(unsigned char *buf, const ax25_address *src,
const ax25_address *dest, const ax25_digi *d, int flag, int modulus)
{ {
int len = 0; int len = 0;
int ct = 0; int ct = 0;
...@@ -261,7 +264,7 @@ int ax25_addr_build(unsigned char *buf, ax25_address *src, ax25_address *dest, a ...@@ -261,7 +264,7 @@ int ax25_addr_build(unsigned char *buf, ax25_address *src, ax25_address *dest, a
return len; return len;
} }
int ax25_addr_size(ax25_digi *dp) int ax25_addr_size(const ax25_digi *dp)
{ {
if (dp == NULL) if (dp == NULL)
return 2 * AX25_ADDR_LEN; return 2 * AX25_ADDR_LEN;
...@@ -272,7 +275,7 @@ int ax25_addr_size(ax25_digi *dp) ...@@ -272,7 +275,7 @@ int ax25_addr_size(ax25_digi *dp)
/* /*
* Reverse Digipeat List. May not pass both parameters as same struct * Reverse Digipeat List. May not pass both parameters as same struct
*/ */
void ax25_digi_invert(ax25_digi *in, ax25_digi *out) void ax25_digi_invert(const ax25_digi *in, ax25_digi *out)
{ {
int ct; int ct;
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment