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Some more changes improving code style conformance and code size.

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This commit is contained in:
Oliver Schmidt 2013-03-13 17:52:57 +01:00
parent 7a1fa4de6c
commit d8862bd243
1 changed files with 28 additions and 27 deletions
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55
core/net/resolv.c
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@ -68,7 +68,7 @@
#include "lib/random.h" #include "lib/random.h"
#ifndef DEBUG #ifndef DEBUG
#define DEBUG defined(CONTIKI_TARGET_COOJA) #define DEBUG CONTIKI_TARGET_COOJA
#endif #endif
#if UIP_UDP #if UIP_UDP
@ -304,6 +304,7 @@ PROCESS(mdns_probe_process, "mDNS probe");
static char dns_name_without_dots[RESOLV_CONF_MAX_DOMAIN_NAME_SIZE + 1]; static char dns_name_without_dots[RESOLV_CONF_MAX_DOMAIN_NAME_SIZE + 1];
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
#if RESOLV_CONF_SUPPORTS_MDNS || VERBOSE_DEBUG
/** \internal /** \internal
* \brief Decodes a DNS name from the DNS format into the given string. * \brief Decodes a DNS name from the DNS format into the given string.
* \return 1 upon success, 0 if the size of the name would be too large. * \return 1 upon success, 0 if the size of the name would be too large.
@ -349,7 +350,7 @@ decode_name(const unsigned char *query, char *dest,
if(n) { if(n) {
//DEBUG_PRINTF("."); //DEBUG_PRINTF(".");
*dest++ = '.'; *dest++ = '.';
len--; --len;
} }
} }
@ -357,6 +358,7 @@ decode_name(const unsigned char *query, char *dest,
*dest = 0; *dest = 0;
return len != 0; return len != 0;
} }
#endif /* RESOLV_CONF_SUPPORTS_MDNS || VERBOSE_DEBUG */
/*---------------------------------------------------------------------------*/ /*---------------------------------------------------------------------------*/
/** \internal /** \internal
*/ */
@ -375,7 +377,7 @@ dns_name_isequal(const unsigned char *queryptr, const char *name,
n = *queryptr++; n = *queryptr++;
} }
for(; n; n--) { for(; n; --n) {
if(!*name) { if(!*name) {
return 0; return 0;
} }
@ -393,7 +395,7 @@ dns_name_isequal(const unsigned char *queryptr, const char *name,
} }
if(*name == '.') if(*name == '.')
name++; ++name;
return name[0] == 0; return name[0] == 0;
} }
@ -411,11 +413,11 @@ skip_name(unsigned char *query)
n = *query; n = *query;
if(n & 0xc0) { if(n & 0xc0) {
DEBUG_PRINTF("<skip-to-%d>", query[0] + ((n & ~0xC0) << 8)); DEBUG_PRINTF("<skip-to-%d>", query[0] + ((n & ~0xC0) << 8));
query++; ++query;
break; break;
} }
query++; ++query;
while(n > 0) { while(n > 0) {
DEBUG_PRINTF("%c", *query); DEBUG_PRINTF("%c", *query);
@ -478,14 +480,14 @@ start_name_collision_check(clock_time_t after)
/** \internal /** \internal
*/ */
static unsigned char * static unsigned char *
mdns_write_announce_records(unsigned char *queryptr, uint8_t * count) mdns_write_announce_records(unsigned char *queryptr, uint8_t *count)
{ {
struct dns_answer *ans; struct dns_answer *ans;
#if UIP_CONF_IPV6 #if UIP_CONF_IPV6
uint8_t i; uint8_t i;
for(i = 0; i < UIP_DS6_ADDR_NB; i++) { for(i = 0; i < UIP_DS6_ADDR_NB; ++i) {
if(uip_ds6_if.addr_list[i].isused if(uip_ds6_if.addr_list[i].isused
#if !RESOLV_CONF_MDNS_INCLUDE_GLOBAL_V6_ADDRS #if !RESOLV_CONF_MDNS_INCLUDE_GLOBAL_V6_ADDRS
&& uip_is_addr_link_local(&uip_ds6_if.addr_list[i].ipaddr) && uip_is_addr_link_local(&uip_ds6_if.addr_list[i].ipaddr)
@ -516,7 +518,7 @@ mdns_write_announce_records(unsigned char *queryptr, uint8_t * count)
uip_ipaddr_copy((uip_ipaddr_t *) queryptr, uip_ipaddr_copy((uip_ipaddr_t *) queryptr,
&uip_ds6_if.addr_list[i].ipaddr); &uip_ds6_if.addr_list[i].ipaddr);
queryptr += sizeof(uip_ipaddr_t); queryptr += sizeof(uip_ipaddr_t);
(*count)++; ++(*count);
} }
} }
#else /* UIP_CONF_IPV6 */ #else /* UIP_CONF_IPV6 */
@ -529,7 +531,7 @@ mdns_write_announce_records(unsigned char *queryptr, uint8_t * count)
ans->len = UIP_HTONS(sizeof(uip_ipaddr_t)); ans->len = UIP_HTONS(sizeof(uip_ipaddr_t));
uip_gethostaddr((uip_ipaddr_t *) ans->ipaddr); uip_gethostaddr((uip_ipaddr_t *) ans->ipaddr);
queryptr = (unsigned char *)ans + sizeof(*ans); queryptr = (unsigned char *)ans + sizeof(*ans);
(*count)++; ++(*count);
#endif /* UIP_CONF_IPV6 */ #endif /* UIP_CONF_IPV6 */
return queryptr; return queryptr;
} }
@ -759,11 +761,11 @@ newdata(void)
(uint8_t) uip_ntohs(hdr->numauthrr), (uint8_t) uip_ntohs(hdr->numauthrr),
(uint8_t) uip_ntohs(hdr->numextrarr)); (uint8_t) uip_ntohs(hdr->numextrarr));
#if RESOLV_CONF_SUPPORTS_MDNS
/** QUESTION HANDLING SECTION ************************************************/ /** QUESTION HANDLING SECTION ************************************************/
if(((hdr->flags1 & ~1) == 0) && (hdr->flags2 == 0)) { if(((hdr->flags1 & ~1) == 0) && (hdr->flags2 == 0)) {
/* This is an DNS request! */ /* This is an DNS request! */
#if RESOLV_CONF_SUPPORTS_MDNS
/* Skip requests with no questions. */ /* Skip requests with no questions. */
if(!nquestions) { if(!nquestions) {
@ -836,8 +838,8 @@ newdata(void)
} }
} }
} }
#endif /* RESOLV_CONF_SUPPORTS_MDNS */
} }
#endif /* RESOLV_CONF_SUPPORTS_MDNS */
/** ANSWER HANDLING SECTION **************************************************/ /** ANSWER HANDLING SECTION **************************************************/
@ -871,7 +873,8 @@ newdata(void)
PRINTF("resolver: Incoming response for \"%s\".\n", namemapptr->name); PRINTF("resolver: Incoming response for \"%s\".\n", namemapptr->name);
namemapptr->state = STATE_ERROR; /* We'll change this to DONE when we find the record. */ /* We'll change this to DONE when we find the record. */
namemapptr->state = STATE_ERROR;
namemapptr->err = hdr->flags2 & DNS_FLAG2_ERR_MASK; namemapptr->err = hdr->flags2 & DNS_FLAG2_ERR_MASK;
/* If we remain in the error state, keep it cached for 30 seconds. */ /* If we remain in the error state, keep it cached for 30 seconds. */
@ -886,9 +889,8 @@ newdata(void)
} }
/* Discard all remaining questions */ /* Discard all remaining questions */
for(; nquestions > 0; queryptr += 4, nquestions--) { for(; nquestions > 0; queryptr += 4, --nquestions) {
if(namemapptr if(namemapptr && dns_name_isequal(queryptr, namemapptr->name, uip_appdata) != 0) {
&& 0 != dns_name_isequal(queryptr, namemapptr->name, uip_appdata)) {
DEBUG_PRINTF("resolver: Question name doesn't look familiar...!\n"); DEBUG_PRINTF("resolver: Question name doesn't look familiar...!\n");
return; return;
} }
@ -936,8 +938,8 @@ newdata(void)
#endif /* UIP_CONF_IPV6 */ #endif /* UIP_CONF_IPV6 */
#if RESOLV_CONF_SUPPORTS_MDNS #if RESOLV_CONF_SUPPORTS_MDNS
if(UIP_UDP_BUF->srcport == UIP_HTONS(MDNS_PORT) if(UIP_UDP_BUF->srcport == UIP_HTONS(MDNS_PORT) &&
&& hdr->id == 0) { hdr->id == 0) {
int8_t available_i = RESOLV_ENTRIES; int8_t available_i = RESOLV_ENTRIES;
DEBUG_PRINTF("resolver: MDNS query.\n"); DEBUG_PRINTF("resolver: MDNS query.\n");
@ -986,8 +988,7 @@ newdata(void)
nanswers = 1; nanswers = 1;
} }
if(namemapptr if(namemapptr && !dns_name_isequal(queryptr, namemapptr->name, uip_appdata)) {
&& !dns_name_isequal(queryptr, namemapptr->name, uip_appdata)) {
DEBUG_PRINTF("resolver: Answer name doesn't match question...!\n"); DEBUG_PRINTF("resolver: Answer name doesn't match question...!\n");
goto skip_to_next_answer; goto skip_to_next_answer;
} }
@ -1194,7 +1195,7 @@ resolv_query(const char *name)
for(i = 0; i < RESOLV_ENTRIES; ++i) { for(i = 0; i < RESOLV_ENTRIES; ++i) {
nameptr = &names[i]; nameptr = &names[i];
if(0 == strcasecmp(nameptr->name, name)) { if(strcasecmp(nameptr->name, name) == 0) {
break; break;
} }
if((nameptr->state == STATE_UNUSED) || if((nameptr->state == STATE_UNUSED) ||
@ -1229,7 +1230,7 @@ resolv_query(const char *name)
static const char local_suffix[] = "local"; static const char local_suffix[] = "local";
if((name_len > (sizeof(local_suffix) - 1)) && if((name_len > (sizeof(local_suffix) - 1)) &&
(0 == strcasecmp(name + name_len - (sizeof(local_suffix) - 1), local_suffix))) { (strcasecmp(name + name_len - (sizeof(local_suffix) - 1), local_suffix) == 0)) {
PRINTF("resolver: Using MDNS to look up \"%s\".\n", name); PRINTF("resolver: Using MDNS to look up \"%s\".\n", name);
nameptr->is_mdns = 1; nameptr->is_mdns = 1;
} else { } else {
@ -1237,7 +1238,7 @@ resolv_query(const char *name)
} }
} }
nameptr->is_probe = (mdns_state == MDNS_STATE_PROBING) && nameptr->is_probe = (mdns_state == MDNS_STATE_PROBING) &&
(0 == strcmp(nameptr->name, resolv_hostname)); (strcmp(nameptr->name, resolv_hostname) == 0);
#endif /* RESOLV_CONF_SUPPORTS_MDNS */ #endif /* RESOLV_CONF_SUPPORTS_MDNS */
/* Force check_entires() to run on our process. */ /* Force check_entires() to run on our process. */
@ -1254,7 +1255,7 @@ resolv_query(const char *name)
* *
*/ */
resolv_status_t resolv_status_t
resolv_lookup(const char *name, uip_ipaddr_t ** ipaddr) resolv_lookup(const char *name, uip_ipaddr_t **ipaddr)
{ {
resolv_status_t ret = RESOLV_STATUS_UNCACHED; resolv_status_t ret = RESOLV_STATUS_UNCACHED;
@ -1371,7 +1372,7 @@ resolv_getserver(void)
* address of the DNS server to be configured. * address of the DNS server to be configured.
*/ */
void void
resolv_conf(const uip_ipaddr_t * dnsserver) resolv_conf(const uip_ipaddr_t *dnsserver)
{ {
uip_ipaddr_copy(&resolv_default_dns_server, dnsserver); uip_ipaddr_copy(&resolv_default_dns_server, dnsserver);
process_post(&resolv_process, EVENT_NEW_SERVER, &resolv_default_dns_server); process_post(&resolv_process, EVENT_NEW_SERVER, &resolv_default_dns_server);
@ -1382,7 +1383,7 @@ resolv_conf(const uip_ipaddr_t * dnsserver)
* *
*/ */
static void static void
resolv_found(char *name, uip_ipaddr_t * ipaddr) resolv_found(char *name, uip_ipaddr_t *ipaddr)
{ {
#if RESOLV_CONF_SUPPORTS_MDNS #if RESOLV_CONF_SUPPORTS_MDNS
if(strncasecmp(resolv_hostname, name, strlen(resolv_hostname)) == 0 if(strncasecmp(resolv_hostname, name, strlen(resolv_hostname)) == 0
@ -1405,7 +1406,7 @@ resolv_found(char *name, uip_ipaddr_t * ipaddr)
resolv_hostname[strlen(resolv_hostname) - 6] = 0; resolv_hostname[strlen(resolv_hostname) - 6] = 0;
/* Append the last three hex parts of the link-level address. */ /* Append the last three hex parts of the link-level address. */
for(i = 0; i < 3; i++) { for(i = 0; i < 3; ++i) {
uint8_t val = uip_lladdr.addr[(UIP_LLADDR_LEN - 3) + i]; uint8_t val = uip_lladdr.addr[(UIP_LLADDR_LEN - 3) + i];
char append_str[4] = "-XX"; char append_str[4] = "-XX";