sds.h

   1 /* SDSLib, A C dynamic strings library
   2  *
   3  * Copyright (c) 2006-2009, Salvatore Sanfilippo <antirez at gmail dot com>
   4  * All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions are met:
   8  *
   9  *   * Redistributions of source code must retain the above copyright notice,
  10  *     this list of conditions and the following disclaimer.
  11  *   * Redistributions in binary form must reproduce the above copyright
  12  *     notice, this list of conditions and the following disclaimer in the
  13  *     documentation and/or other materials provided with the distribution.
  14  *   * Neither the name of Redis nor the names of its contributors may be used
  15  *     to endorse or promote products derived from this software without
  16  *     specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  19  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  21  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  22  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  28  * POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #ifndef __SDS_H
  32 #define __SDS_H
  33
  34 #include <sys/types.h>
  35
  36 typedef char *sds;
  37
  38 struct sdshdr {
  39     long len;
  40     long free;
  41     char buf[];
  42 };
  43
  44 sds sdsnewlen(const void *init, size_t initlen);
  45 sds sdsnew(const char *init);
  46 sds sdsempty();
  47 size_t sdslen(const sds s);
  48 sds sdsdup(const sds s);
  49 void sdsfree(sds s);
  50 size_t sdsavail(sds s);
  51 sds sdscatlen(sds s, void *t, size_t len);
  52 sds sdscat(sds s, char *t);
  53 sds sdscpylen(sds s, char *t, size_t len);
  54 sds sdscpy(sds s, char *t);
  55 sds sdscatprintf(sds s, const char *fmt, ...);
  56 sds sdstrim(sds s, const char *cset);
  57 sds sdsrange(sds s, long start, long end);
  58 void sdsupdatelen(sds s);
  59 int sdscmp(sds s1, sds s2);
  60 sds *sdssplitlen(char *s, int len, char *sep, int seplen, int *count);
  61 void sdstolower(sds s);
  62
  63 #endif