diff options
-rw-r--r-- | lib/libc/net/getrrsetbyname.c | 40 |
1 files changed, 16 insertions, 24 deletions
diff --git a/lib/libc/net/getrrsetbyname.c b/lib/libc/net/getrrsetbyname.c index 76ca9ac6b7b..bc4b88bbbdf 100644 --- a/lib/libc/net/getrrsetbyname.c +++ b/lib/libc/net/getrrsetbyname.c @@ -1,4 +1,4 @@ -/* $OpenBSD: getrrsetbyname.c,v 1.2 2001/08/06 15:00:48 jakob Exp $ */ +/* $OpenBSD: getrrsetbyname.c,v 1.3 2001/08/07 10:16:00 deraadt Exp $ */ /* * Copyright (c) 2001 Jakob Schlyter. All rights reserved. @@ -43,7 +43,6 @@ * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ - #include <sys/types.h> #include <netinet/in.h> #include <arpa/nameser.h> @@ -54,7 +53,6 @@ #define ANSWER_BUFFER_SIZE 1024*64 - struct dns_query { char *name; u_int16_t type; @@ -94,15 +92,15 @@ static int count_dns_rr(struct dns_rr *, u_int16_t, u_int16_t); int getrrsetbyname(const char *hostname, unsigned int rdclass, - unsigned int rdtype, unsigned int flags, - struct rrsetinfo **res) + unsigned int rdtype, unsigned int flags, + struct rrsetinfo **res) { int result; struct rrsetinfo *rrset = NULL; struct dns_response *response; struct dns_rr *rr; struct rdatainfo *rdata; - unsigned length, index_ans, index_sig; + unsigned int length, index_ans, index_sig; char answer[ANSWER_BUFFER_SIZE]; /* check for invalid class and type */ @@ -124,7 +122,7 @@ getrrsetbyname(const char *hostname, unsigned int rdclass, } /* initialize resolver */ - if ((_res.options & RES_INIT) == 0 && res_init() == -1) { + if ((_res.options & RES_INIT) == 0 && res_init() == -1) { result = ERRSET_FAIL; goto fail; } @@ -162,7 +160,7 @@ getrrsetbyname(const char *hostname, unsigned int rdclass, goto fail; } - if (response->header.qdcount != 1 ) { + if (response->header.qdcount != 1) { result = ERRSET_FAIL; goto fail; } @@ -216,7 +214,7 @@ getrrsetbyname(const char *hostname, unsigned int rdclass, for (rr = response->answer, index_ans = 0, index_sig = 0; rr; rr = rr->next) { - rdata = NULL; + rdata = NULL; if (rr->class == rrset->rri_rdclass && rr->type == rrset->rri_rdtype) @@ -229,7 +227,7 @@ getrrsetbyname(const char *hostname, unsigned int rdclass, if (rdata) { rdata->rdi_length = rr->size; rdata->rdi_data = malloc(rr->size); - + if (rdata->rdi_data == NULL) { result = ERRSET_NOMEMORY; goto fail; @@ -252,9 +250,8 @@ freerrset(struct rrsetinfo *rrset) { u_int16_t i; - if (rrset == NULL) { + if (rrset == NULL) return; - } for (i = 0; i < rrset->rri_nrdatas; i++) { if (rrset->rri_rdatas[i].rdi_data == NULL) @@ -269,17 +266,13 @@ freerrset(struct rrsetinfo *rrset) free(rrset->rri_sigs[i].rdi_data); } free(rrset->rri_sigs); - free(rrset->rri_name); - free(rrset); } - -/* +/* * DNS response parsing routines */ - static struct dns_response * parse_dns_response(const char *answer, int size) { @@ -381,11 +374,11 @@ parse_dns_qsection(const char *answer, int size, const char **cp, int count) /* type */ curr->type = _getshort(*cp); - *cp += INT16SZ; + *cp += INT16SZ; /* class */ curr->class = _getshort(*cp); - *cp += INT16SZ; + *cp += INT16SZ; } return (head); @@ -427,15 +420,15 @@ parse_dns_rrsection(const char *answer, int size, const char **cp, int count) /* type */ curr->type = _getshort(*cp); - *cp += INT16SZ; + *cp += INT16SZ; /* class */ curr->class = _getshort(*cp); - *cp += INT16SZ; + *cp += INT16SZ; /* ttl */ curr->ttl = _getlong(*cp); - *cp += INT32SZ; + *cp += INT32SZ; /* rdata size */ curr->size = _getshort(*cp); @@ -454,7 +447,6 @@ parse_dns_rrsection(const char *answer, int size, const char **cp, int count) return (head); } - static void free_dns_query(struct dns_query *p) { @@ -500,7 +492,7 @@ count_dns_rr(struct dns_rr *p, u_int16_t class, u_int16_t type) if (p->class == class && p->type == type) n++; p = p->next; - }; + } return (n); } |