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https://gitlab.isc.org/isc-projects/bind9
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40f53fa8d9
own CVS tree will help minimize CVS conflicts. Maybe not. Blame Graff for getting me to trim all trailing whitespace.
116 lines
2.6 KiB
C
116 lines
2.6 KiB
C
/*
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* Copyright (C) 1996-2000 Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
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* DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
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* INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
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* FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
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* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
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* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $Id: string.c,v 1.9 2000/08/01 01:33:01 tale Exp $ */
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/* Principal Author: Ted Lemon */
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#include <config.h>
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#include <isc/mem.h>
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#include <isc/string.h>
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#include <isc/util.h>
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#include <omapi/private.h>
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isc_result_t
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omapi_string_create(omapi_string_t **d, unsigned int len) {
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omapi_string_t *new;
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new = isc_mem_get(omapi_mctx, OMAPI_STRING_EMPTY_SIZE + len);
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if (new == NULL)
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return (ISC_R_NOMEMORY);
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memset(new, 0, OMAPI_STRING_EMPTY_SIZE);
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new->len = len;
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omapi_string_reference(d, new);
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return (ISC_R_SUCCESS);
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}
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void
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omapi_string_reference(omapi_string_t **r, omapi_string_t *h) {
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REQUIRE(r != NULL && h != NULL);
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REQUIRE(*r == NULL);
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*r = h;
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h->refcnt++;
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}
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void
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omapi_string_dereference(omapi_string_t **h) {
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REQUIRE(h != NULL && *h != NULL);
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REQUIRE((*h)->refcnt > 0);
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if (--((*h)->refcnt) <= 0)
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isc_mem_put(omapi_mctx, *h,
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OMAPI_STRING_EMPTY_SIZE + (*h)->len);
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*h = NULL;
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}
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void
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omapi_string_totext(omapi_string_t *string, isc_region_t *region) {
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REQUIRE(string != NULL && region != NULL);
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region->base = string->value;
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region->length = string->len;
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}
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int
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omapi_string_stringcmp(omapi_string_t *s1, omapi_string_t *s2) {
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unsigned int len;
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int order;
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if (s1->len > s2->len)
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len = s2->len;
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else
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len = s1->len;
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order = memcmp(s1->value, s2->value, len);
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if (order == 0) {
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if (s1->len > s2->len)
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order = 1;
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else if (s1->len < s2->len)
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order = -1;
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}
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return (order);
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}
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int
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omapi_string_strcmp(omapi_string_t *s1, const char *s2) {
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unsigned int len, slen;
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int order;
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slen = strlen(s2);
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if (slen > s1->len)
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len = s1->len;
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else
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len = slen;
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order = memcmp(s1->value, s2, len);
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if (order == 0) {
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if (s1->len > slen)
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order = 1;
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else if (s1->len < slen)
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order= -1;
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}
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return (order);
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}
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