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779aebc91c
looks like each platform implements long double differently (different bit count) so we can't save them as binary, and we also want to avoid creating a new RDB format version, so we save these are hex strings using "%La". This commit includes a change in the arguments of ld2string to support this. as well as tests for coverage and short reads. coded by @guybe7
69 lines
2.9 KiB
C
69 lines
2.9 KiB
C
/*
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* Copyright (c) 2009-2012, 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 __REDIS_UTIL_H
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#define __REDIS_UTIL_H
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#include <stdint.h>
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#include "sds.h"
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/* The maximum number of characters needed to represent a long double
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* as a string (long double has a huge range).
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* This should be the size of the buffer given to ld2string */
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#define MAX_LONG_DOUBLE_CHARS 5*1024
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/* long double to string convertion options */
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typedef enum {
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LD_STR_AUTO, /* %.17Lg */
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LD_STR_HUMAN, /* %.17Lf + Trimming of trailing zeros */
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LD_STR_HEX /* %La */
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} ld2string_mode;
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int stringmatchlen(const char *p, int plen, const char *s, int slen, int nocase);
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int stringmatch(const char *p, const char *s, int nocase);
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int stringmatchlen_fuzz_test(void);
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long long memtoll(const char *p, int *err);
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uint32_t digits10(uint64_t v);
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uint32_t sdigits10(int64_t v);
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int ll2string(char *s, size_t len, long long value);
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int string2ll(const char *s, size_t slen, long long *value);
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int string2l(const char *s, size_t slen, long *value);
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int string2ld(const char *s, size_t slen, long double *dp);
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int d2string(char *buf, size_t len, double value);
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int ld2string(char *buf, size_t len, long double value, ld2string_mode mode);
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sds getAbsolutePath(char *filename);
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unsigned long getTimeZone(void);
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int pathIsBaseName(char *path);
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#ifdef REDIS_TEST
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int utilTest(int argc, char **argv);
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#endif
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#endif
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