util_varbuf.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.
 */
 
#ifndef AP_VARBUF_H
#define AP_VARBUF_H
 
#include "apr.h"
#include "apr_allocator.h"
 
#include "httpd.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
#define AP_VARBUF_UNKNOWN APR_SIZE_MAX
struct ap_varbuf_info;
 
struct ap_varbuf {
    char *buf;
 
    apr_size_t avail;
 
    apr_size_t strlen;
 
    apr_pool_t *pool;
 
    struct ap_varbuf_info *info;
};
 
AP_DECLARE(void) ap_varbuf_init(apr_pool_t *pool, struct ap_varbuf *vb,
                                apr_size_t init_size);
 
AP_DECLARE(void) ap_varbuf_grow(struct ap_varbuf *vb, apr_size_t new_size);
 
AP_DECLARE(void) ap_varbuf_free(struct ap_varbuf *vb);
 
AP_DECLARE(void) ap_varbuf_strmemcat(struct ap_varbuf *vb, const char *str,
                                     int len);
 
AP_DECLARE(char *) ap_varbuf_pdup(apr_pool_t *p, struct ap_varbuf *vb,
                                  const char *prepend, apr_size_t prepend_len,
                                  const char *append, apr_size_t append_len,
                                  apr_size_t *new_len);
 
 
#define ap_varbuf_strcat(vb, str) ap_varbuf_strmemcat(vb, str, strlen(str))
 
AP_DECLARE(apr_status_t) ap_varbuf_regsub(struct ap_varbuf *vb,
                                          const char *input,
                                          const char *source,
                                          apr_size_t nmatch,
                                          ap_regmatch_t pmatch[],
                                          apr_size_t maxlen);
 
AP_DECLARE(apr_status_t) ap_varbuf_cfg_getline(struct ap_varbuf *vb,
                                               ap_configfile_t *cfp,
                                               apr_size_t max_len);
 
#ifdef __cplusplus
}
#endif
 
#endif  /* !AP_VARBUF_H */