1 /* SDSLib, A C dynamic strings library 2 * 3 * Copyright (c) 2006-2010, 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 #include <stdarg.h> 36 37 typedef char *sds; 38 39 struct sdshdr { 40 int len; 41 int free; 42 char buf[]; 43 }; 44 45 sds sdsnewlen(const void *init, size_t initlen); 46 sds sdsnew(const char *init); 47 sds sdsempty(); 48 size_t sdslen(const sds s); 49 sds sdsdup(const sds s); 50 void sdsfree(sds s); 51 size_t sdsavail(sds s); 52 sds sdsgrowzero(sds s, size_t len); 53 sds sdscatlen(sds s, void *t, size_t len); 54 sds sdscat(sds s, char *t); 55 sds sdscpylen(sds s, char *t, size_t len); 56 sds sdscpy(sds s, char *t); 57 58 sds sdscatvprintf(sds s, const char *fmt, va_list ap); 59 #ifdef __GNUC__ 60 sds sdscatprintf(sds s, const char *fmt, ...) 61 __attribute__((format(printf, 2, 3))); 62 #else 63 sds sdscatprintf(sds s, const char *fmt, ...); 64 #endif 65 66 sds sdstrim(sds s, const char *cset); 67 sds sdsrange(sds s, int start, int end); 68 void sdsupdatelen(sds s); 69 int sdscmp(sds s1, sds s2); 70 sds *sdssplitlen(char *s, int len, char *sep, int seplen, int *count); 71 void sdsfreesplitres(sds *tokens, int count); 72 void sdstolower(sds s); 73 void sdstoupper(sds s); 74 sds sdsfromlonglong(long long value); 75 sds sdscatrepr(sds s, char *p, size_t len); 76 sds *sdssplitargs(char *line, int *argc); 77 78 #endif 79