From e8cc49bb0fdb9e18a99e6780073d1400ba2b0d1f Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Thu, 7 Dec 2006 15:43:13 -0800 Subject: [AX.25]: Constify ax25 utility functions Signed-off-by: Ralf Baechle Signed-off-by: David S. Miller --- net/ax25/ax25_addr.c | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-) (limited to 'net/ax25') diff --git a/net/ax25/ax25_addr.c b/net/ax25/ax25_addr.c index 5f0896ad0042..5524f9cb7b83 100644 --- a/net/ax25/ax25_addr.c +++ b/net/ax25/ax25_addr.c @@ -39,7 +39,7 @@ EXPORT_SYMBOL(null_ax25_address); /* * ax25 -> ascii conversion */ -char *ax2asc(char *buf, ax25_address *a) +char *ax2asc(char *buf, const ax25_address *a) { char c, *s; int n; @@ -72,7 +72,7 @@ EXPORT_SYMBOL(ax2asc); /* * ascii -> ax25 conversion */ -void asc2ax(ax25_address *addr, char *callsign) +void asc2ax(ax25_address *addr, const char *callsign) { char *s; int n; @@ -107,7 +107,7 @@ EXPORT_SYMBOL(asc2ax); /* * 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; @@ -128,7 +128,7 @@ EXPORT_SYMBOL(ax25cmp); /* * 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; @@ -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 * */ -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; @@ -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 */ -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 ct = 0; @@ -261,7 +264,7 @@ int ax25_addr_build(unsigned char *buf, ax25_address *src, ax25_address *dest, a return len; } -int ax25_addr_size(ax25_digi *dp) +int ax25_addr_size(const ax25_digi *dp) { if (dp == NULL) return 2 * AX25_ADDR_LEN; @@ -272,7 +275,7 @@ int ax25_addr_size(ax25_digi *dp) /* * 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; -- cgit v1.2.3