120 lines
3.0 KiB
C
120 lines
3.0 KiB
C
/*
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* Copyright 2008 Arsen Chaloyan
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef __APT_STRING_H__
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#define __APT_STRING_H__
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/**
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* @file apt_string.h
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* @brief String Representation
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*/
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#include "apt.h"
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APT_BEGIN_EXTERN_C
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/** String declaration */
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typedef struct apt_str_t apt_str_t;
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/** String representation */
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struct apt_str_t {
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/** String buffer (might be not NULL terminated) */
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char *buf;
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/** Length of the string (not counting terminating NULL character if exists) */
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apr_size_t length;
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};
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/** Reset string. */
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static APR_INLINE void apt_string_reset(apt_str_t *str)
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{
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str->buf = NULL;
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str->length = 0;
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}
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/**
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* Set NULL terminated string.
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* @param str the destination string
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* @param src the NULL terminated string to set
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*/
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static APR_INLINE void apt_string_set(apt_str_t *str, const char *src)
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{
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str->buf = (char*)src;
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str->length = src ? strlen(src) : 0;
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}
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/**
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* Assign (copy) NULL terminated string.
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* @param str the destination string
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* @param src the NULL terminated string to copy
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* @param pool the pool to allocate memory from
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*/
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static APR_INLINE void apt_string_assign(apt_str_t *str, const char *src, apr_pool_t *pool)
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{
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str->buf = NULL;
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str->length = src ? strlen(src) : 0;
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if(str->length) {
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str->buf = apr_pstrmemdup(pool,src,str->length);
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}
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}
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/**
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* Assign (copy) n characters from the src string.
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* @param str the destination string
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* @param src the NULL terminated string to copy
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* @param pool the pool to allocate memory from
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*/
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static APR_INLINE void apt_string_assign_n(apt_str_t *str, const char *src, apr_size_t length, apr_pool_t *pool)
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{
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str->buf = NULL;
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str->length = length;
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if(str->length) {
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str->buf = apr_pstrmemdup(pool,src,str->length);
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}
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}
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/**
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* Copy string.
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* @param dest_str the destination string
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* @param src_str the source string
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* @param pool the pool to allocate memory from
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*/
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static APR_INLINE void apt_string_copy(apt_str_t *str, const apt_str_t *src_str, apr_pool_t *pool)
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{
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str->buf = NULL;
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str->length = src_str->length;
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if(str->length) {
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str->buf = apr_pstrmemdup(pool,src_str->buf,src_str->length);
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}
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}
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/**
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* Compare two strings (case insensitive).
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* @param str1 the string to compare
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* @param str2 the string to compare
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* @return TRUE if equal, FALSE otherwise
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*/
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static APR_INLINE apt_bool_t apt_string_compare(const apt_str_t *str1, const apt_str_t *str2)
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{
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if(str1->length != str2->length || !str1->length) {
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return FALSE;
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}
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return (strncasecmp(str1->buf,str2->buf,str1->length) == 0) ? TRUE : FALSE;
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}
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APT_END_EXTERN_C
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#endif /*__APT_STRING_H__*/
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