text: /*
   * librdkafka - The Apache Kafka C/C++ library
   *
   * Copyright (c) 2017 Magnus Edenhill
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   *
   * 1. Redistributions of source code must retain the above copyright notice,
   *    this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright notice,
   *    this list of conditions and the following disclaimer in the documentation
   *    and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   */
  
  
  #ifndef _RDSTRING_H_
  #define _RDSTRING_H_
  
  
  
  char *rd_string_render (const char *templ,
                          char *errstr, size_t errstr_size,
                          ssize_t (*callback) (const char *key,
                                               char *buf, size_t size,
                                               void *opaque),
                          void *opaque);
  
  
  
  /**
   * @brief An immutable string tuple (name, value) in a single allocation.
   */
  typedef struct rd_strtup_s {
          char *value;
          char  name[1];  /* Actual allocation of name + val here */
  } rd_strtup_t;
  
  void rd_strtup_destroy (rd_strtup_t *strtup);
  rd_strtup_t *rd_strtup_new (const char *name, const char *value);
  
  
  char *rd_flags2str (char *dst, size_t size,
                      const char **desc, int flags);
  
  #endif /* _RDSTRING_H_ */
  