Mercurial > libjeffpc
view hexdump.c @ 806:12a3139a2baf
sock: use atomic_cas_ptr correctly
This bug was caused by incorrect documentation (already fixed). It resulted
in us freeing the name on successful CAS and caching the freed pointer.
Signed-off-by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
author | Josef 'Jeff' Sipek <jeffpc@josefsipek.net> |
---|---|
date | Fri, 10 Apr 2020 12:27:10 -0400 |
parents | 8ea233771138 |
children |
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/* * Copyright (c) 2016 Josef 'Jeff' Sipek <jeffpc@josefsipek.net> * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #include <stdint.h> #include <jeffpc/hexdump.h> void hexdump(char *out, const void *in, size_t inlen, bool upper) { static const char uppercase[16] = "0123456789ABCDEF"; static const char lowercase[16] = "0123456789abcdef"; const char *table = upper ? uppercase : lowercase; const uint8_t *tmp = in; size_t i; for (i = 0; i < inlen; i++) { out[i * 2] = table[tmp[i] >> 4]; out[i * 2 + 1] = table[tmp[i] & 0xf]; } } void hexdumpz(char *out, const void *in, size_t inlen, bool upper) { hexdump(out, in, inlen, upper); out[inlen * 2] = '\0'; }