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159 lines
3.9 KiB
C
159 lines
3.9 KiB
C
/*
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* cynapses libc functions
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*
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* Copyright (c) 2008-2013 by Andreas Schneider <asn@cryptomilk.org>
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* Copyright (c) 2012-2013 by Klaas Freitag <freitag@owncloud.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/**
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* @file c_string.h
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*
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* @brief Interface of the cynapses string implementations
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*
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* @defgroup cynStringInternals cynapses libc string functions
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* @ingroup cynLibraryAPI
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*
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* @{
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*/
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#ifndef _C_STR_H
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#define _C_STR_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "c_private.h"
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#include "c_macro.h"
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#include <stdlib.h>
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struct c_strlist_s; typedef struct c_strlist_s c_strlist_t;
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/**
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* @brief Structure for a stringlist
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*
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* Using a for loop you can access the strings saved in the vector.
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*
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* c_strlist_t strlist;
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* int i;
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* for (i = 0; i < strlist->count; i++) {
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* printf("value: %s", strlist->vector[i];
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* }
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*/
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struct c_strlist_s {
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/** The string vector */
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char **vector;
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/** The count of the strings saved in the vector */
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size_t count;
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/** Size of strings allocated */
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size_t size;
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};
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/**
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* @brief Compare to strings case insensitively.
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*
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* @param a First string to compare.
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* @param b Second string to compare.
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* @param n Max comparison length.
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*
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* @return see strncasecmp
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*/
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int c_strncasecmp(const char *a, const char *b, size_t n);
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/**
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* @brief Compare to strings if they are equal.
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*
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* @param a First string to compare.
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* @param b Second string to compare.
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*
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* @return 1 if they are equal, 0 if not.
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*/
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int c_streq(const char *a, const char *b);
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/**
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* @brief Create a new stringlist.
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*
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* @param size Size to allocate.
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*
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* @return Pointer to the newly allocated stringlist. NULL if an error occurred.
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*/
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c_strlist_t *c_strlist_new(size_t size);
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/**
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* @brief Expand the stringlist
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*
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* @param strlist Stringlist to expand
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* @param size New size of the strlinglist to expand
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*
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* @return Pointer to the expanded stringlist. NULL if an error occurred.
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*/
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c_strlist_t *c_strlist_expand(c_strlist_t *strlist, size_t size);
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/**
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* @brief Add a string to the stringlist.
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*
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* Duplicates the string and stores it in the stringlist.
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*
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* @param strlist Stringlist to add the string.
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* @param string String to add.
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*
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* @return 0 on success, less than 0 and errno set if an error occurred.
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* ENOBUFS if the list is full.
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*/
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int c_strlist_add(c_strlist_t *strlist, const char *string);
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/**
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* @brief Add a string to the stringlist, growing it if necessary
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*
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* Duplicates the string and stores it in the stringlist.
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* It also initializes the stringlist if it starts out as null.
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*
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* @param strlist Stringlist to add the string.
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* @param string String to add.
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*
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* @return 0 on success, less than 0 and errno set if an error occurred.
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*/
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int c_strlist_add_grow(c_strlist_t **strlist, const char *string);
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/**
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* @brief Removes all strings from the list.
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*
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* Frees the strings.
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*
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* @param strlist Stringlist to clear
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*/
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void c_strlist_clear(c_strlist_t *strlist);
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/**
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* @brief Destroy the memory of the stringlist.
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*
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* Frees the strings and the stringlist.
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*
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* @param strlist Stringlist to destroy
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*/
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void c_strlist_destroy(c_strlist_t *strlist);
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/**
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* }@
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif /* _C_STR_H */
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