66 lines
2.5 KiB
C
66 lines
2.5 KiB
C
/*
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* Copyright (c) 2009-2010, Salvatore Sanfilippo <antirez at gmail dot com>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Redis nor the names of its contributors may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __UTIL_H
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#define __UTIL_H
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#include <stdlib.h>
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#include <stdio.h>
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/* Abort on out of memory */
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static void redisOOM(void) {
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fprintf(stderr,"Out of memory in hiredis");
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exit(1);
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}
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static size_t chrtos(char *buf, size_t size, char byte) {
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size_t len = 0;
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switch(byte) {
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case '\\':
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case '"':
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len = snprintf(buf,size,"\"\\%c\"",byte);
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break;
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case '\n': len = snprintf(buf,size,"\"\\n\""); break;
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case '\r': len = snprintf(buf,size,"\"\\r\""); break;
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case '\t': len = snprintf(buf,size,"\"\\t\""); break;
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case '\a': len = snprintf(buf,size,"\"\\a\""); break;
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case '\b': len = snprintf(buf,size,"\"\\b\""); break;
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default:
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if (isprint(byte))
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len = snprintf(buf,size,"\"%c\"",byte);
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else
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len = snprintf(buf,size,"\"\\x%02x\"",(unsigned char)byte);
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break;
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}
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return len;
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}
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#endif
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