apr_strings.h

Go to the documentation of this file.

/* Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/* Portions of this file are covered by */
/* -*- mode: c; c-file-style: "k&r" -*-

  strnatcmp.c -- Perform 'natural order' comparisons of strings in C.
  Copyright (C) 2000 by Martin Pool <mbp@humbug.org.au>

  This software is provided 'as-is', without any express or implied
  warranty.  In no event will the authors be held liable for any damages
  arising from the use of this software.

  Permission is granted to anyone to use this software for any purpose,
  including commercial applications, and to alter it and redistribute it
  freely, subject to the following restrictions:

  1. The origin of this software must not be misrepresented; you must not
     claim that you wrote the original software. If you use this software
     in a product, an acknowledgment in the product documentation would be
     appreciated but is not required.
  2. Altered source versions must be plainly marked as such, and must not be
     misrepresented as being the original software.
  3. This notice may not be removed or altered from any source distribution.
*/

#ifndef APR_STRINGS_H
#define APR_STRINGS_H

#include "apr.h"
#include "apr_errno.h"
#include "apr_pools.h"
#define APR_WANT_IOVEC
#include "apr_want.h"

#if APR_HAVE_STDARG_H
#include <stdarg.h>
#endif

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

APR_DECLARE(int) apr_strnatcmp(char const *a, char const *b);

APR_DECLARE(int) apr_strnatcasecmp(char const *a, char const *b);

APR_DECLARE(char *) apr_pstrdup(apr_pool_t *p, const char *s);

APR_DECLARE(char *) apr_pstrmemdup(apr_pool_t *p, const char *s, apr_size_t n)
#if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
    __attribute__((alloc_size(3)))
#endif
    ;

APR_DECLARE(char *) apr_pstrndup(apr_pool_t *p, const char *s, apr_size_t n);

APR_DECLARE(void *) apr_pmemdup(apr_pool_t *p, const void *m, apr_size_t n)
#if defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
    __attribute__((alloc_size(3)))
#endif
    ;

APR_DECLARE_NONSTD(char *) apr_pstrcat(apr_pool_t *p, ...)
#if defined(__GNUC__) && __GNUC__ >= 4
    __attribute__((sentinel))
#endif
    ;

APR_DECLARE(char *) apr_pstrcatv(apr_pool_t *p, const struct iovec *vec,
                                 apr_size_t nvec, apr_size_t *nbytes);

APR_DECLARE(char *) apr_pvsprintf(apr_pool_t *p, const char *fmt, va_list ap);

APR_DECLARE_NONSTD(char *) apr_psprintf(apr_pool_t *p, const char *fmt, ...)
        __attribute__((format(printf,2,3)));

APR_DECLARE(char *) apr_cpystrn(char *dst, const char *src,
                                apr_size_t dst_size);

APR_DECLARE(char *) apr_collapse_spaces(char *dest, const char *src);

APR_DECLARE(apr_status_t) apr_tokenize_to_argv(const char *arg_str,
                                               char ***argv_out,
                                               apr_pool_t *token_context);

APR_DECLARE(char *) apr_strtok(char *str, const char *sep, char **last);

APR_DECLARE_NONSTD(int) apr_snprintf(char *buf, apr_size_t len,
                                     const char *format, ...)
        __attribute__((format(printf,3,4)));

APR_DECLARE(int) apr_vsnprintf(char *buf, apr_size_t len, const char *format,
                               va_list ap);
APR_DECLARE(char *) apr_itoa(apr_pool_t *p, int n);

APR_DECLARE(char *) apr_ltoa(apr_pool_t *p, long n);

APR_DECLARE(char *) apr_off_t_toa(apr_pool_t *p, apr_off_t n);

APR_DECLARE(apr_status_t) apr_strtoff(apr_off_t *offset, const char *buf, 
                                      char **end, int base);

APR_DECLARE(apr_int64_t) apr_strtoi64(const char *buf, char **end, int base);

APR_DECLARE(apr_int64_t) apr_atoi64(const char *buf);

APR_DECLARE(char *) apr_strfsize(apr_off_t size, char *buf);

#ifdef __cplusplus
}
#endif

#endif  /* !APR_STRINGS_H */