132 lines
2.8 KiB
C
132 lines
2.8 KiB
C
/*
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* Copyright (c) 2012, Jonathan Schleifer <js@webkeks.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "cfwobject.h"
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#include "cfwstring.h"
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struct CFWString {
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CFWObject obj;
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char *cstr;
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size_t len;
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};
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static void
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ctor(void *ptr)
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{
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CFWString *str = ptr;
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str->cstr = NULL;
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str->len = 0;
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}
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static void
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dtor(void *ptr)
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{
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CFWString *str = ptr;
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if (str->cstr != NULL)
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free(str->cstr);
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}
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static bool
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equal(void *ptr1, void *ptr2)
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{
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CFWObject *obj2 = ptr2;
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CFWString *str1, *str2;
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if (obj2->clsptr != cfw_string)
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return false;
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str1 = ptr1;
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str2 = ptr2;
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if (str1->len != str2->len)
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return false;
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return !strcmp(str1->cstr, str2->cstr);
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}
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static void*
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copy(void *ptr)
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{
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CFWString *str = ptr;
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CFWString *new;
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if ((new = cfw_new(cfw_string)) == NULL)
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return NULL;
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if ((new->cstr = malloc(str->len + 1)) == NULL) {
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cfw_unref(new);
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return NULL;
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}
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new->len = str->len;
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memcpy(new->cstr, str->cstr, str->len + 1);
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return new;
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}
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const char*
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cfw_string_c(CFWString *string)
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{
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return string->cstr;
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}
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size_t
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cfw_string_len(CFWString *string)
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{
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return string->len;
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}
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bool
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cfw_string_set(CFWString *str, const char *cstr)
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{
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char *copy;
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if ((copy = strdup(cstr)) == NULL)
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return false;
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if (str->cstr != NULL)
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free(str->cstr);
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str->cstr = copy;
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str->len = strlen(copy);
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return true;
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}
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static CFWClass class = {
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.name = "CFWString",
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.size = sizeof(CFWString),
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.ctor = ctor,
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.dtor = dtor,
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.equal = equal,
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.copy = copy
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};
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CFWClass *cfw_string = &class;
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