From 4f9d5a0e19d4b480e5b36b5b3b76906f9b35939e Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Tue, 3 Jun 2014 23:44:19 +0200 Subject: [PATCH] dns: constify various functions Signed-off-by: Felix Fietkau --- dns.c | 10 +++++----- dns.h | 8 ++++---- 2 files changed, 9 insertions(+), 9 deletions(-) diff --git a/dns.c b/dns.c index cf8c3d5..5390fe6 100644 --- a/dns.c +++ b/dns.c @@ -100,7 +100,7 @@ dns_send_packet(int fd, struct iovec *iov, int iov_len) } void -dns_send_question(struct uloop_fd *u, char *question, int type) +dns_send_question(struct uloop_fd *u, const char *question, int type) { static struct dns_header h = { .questions = cpu_to_be16(1), @@ -157,7 +157,7 @@ dns_init_answer(void) } void -dns_add_answer(int type, uint8_t *rdata, uint16_t rdlength) +dns_add_answer(int type, const uint8_t *rdata, uint16_t rdlength) { struct dns_reply *a = &dns_reply[dns_answer_cnt]; if (dns_answer_cnt == MAX_ANSWER) @@ -169,7 +169,7 @@ dns_add_answer(int type, uint8_t *rdata, uint16_t rdlength) } void -dns_send_answer(struct uloop_fd *u, char *answer) +dns_send_answer(struct uloop_fd *u, const char *answer) { uint8_t buffer[256]; struct dns_header h = { 0 }; @@ -223,7 +223,7 @@ dns_send_answer(struct uloop_fd *u, char *answer) } static int -scan_name(uint8_t *buffer, int len) +scan_name(const uint8_t *buffer, int len) { int offset = 0; @@ -306,7 +306,7 @@ dns_consume_answer(uint8_t **data, int *len) } char* -dns_consume_name(uint8_t *base, int blen, uint8_t **data, int *len) +dns_consume_name(const uint8_t *base, int blen, uint8_t **data, int *len) { int nlen = scan_name(*data, *len); diff --git a/dns.h b/dns.h index 4590123..c52d842 100644 --- a/dns.h +++ b/dns.h @@ -66,11 +66,11 @@ struct dns_question { extern char rdata_buffer[MAX_DATA_LEN + 1]; -extern void dns_send_question(struct uloop_fd *u, char *question, int type); +extern void dns_send_question(struct uloop_fd *u, const char *question, int type); extern void dns_init_answer(void); -extern void dns_add_answer(int type, uint8_t *rdata, uint16_t rdlength); -extern void dns_send_answer(struct uloop_fd *u, char *answer); -extern char* dns_consume_name(uint8_t *base, int blen, uint8_t **data, int *len); +extern void dns_add_answer(int type, const uint8_t *rdata, uint16_t rdlength); +extern void dns_send_answer(struct uloop_fd *u, const char *answer); +extern char* dns_consume_name(const uint8_t *base, int blen, uint8_t **data, int *len); extern struct dns_answer* dns_consume_answer(uint8_t **data, int *len); extern struct dns_question* dns_consume_question(uint8_t **data, int *len); extern struct dns_header* dns_consume_header(uint8_t **data, int *len); -- 2.11.0