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Diffstat (limited to 'Frameworks/SPMySQLFramework/Source/SPMySQLUtilities.m')
| -rw-r--r-- | Frameworks/SPMySQLFramework/Source/SPMySQLUtilities.m | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/Frameworks/SPMySQLFramework/Source/SPMySQLUtilities.m b/Frameworks/SPMySQLFramework/Source/SPMySQLUtilities.m deleted file mode 100644 index 3d147143..00000000 --- a/Frameworks/SPMySQLFramework/Source/SPMySQLUtilities.m +++ /dev/null @@ -1,66 +0,0 @@ -// -// SPMySQLUtilities.c -// SPMySQLFramework -// -// Created by Max Lohrmann on 25.02.2018 -// Copyright (c) 2018 Max Lohrmann. All rights reserved. -// -// 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. -// -// More info at <https://github.com/sequelpro/sequelpro> - -#include <errno.h> -#define __STDC_WANT_LIB_EXT1__ 1 -#include <string.h> -#include <dlfcn.h> -#include <dispatch/dispatch.h> - -#include "SPMySQLUtilities.h" - -static errno_t LegacyMemsetS(void *ptr, rsize_t ignored, int value, rsize_t count); - -errno_t SPMySQLSafeEraseMemory(void *cBuffer, size_t cLength) { - // memset_s is 10.9+ only - if we added a link time dependency, SP wouldn't launch on older targets - static errno_t (*memsetPtr)(void *, rsize_t, int, rsize_t); - static dispatch_once_t findMemsetToken; - dispatch_once(&findMemsetToken, ^{ - memsetPtr = dlsym(RTLD_DEFAULT, "memset_s"); - if(!memsetPtr) memsetPtr = &LegacyMemsetS; - }); - - return (*memsetPtr)(cBuffer, cLength, '\0', cLength); -} - -/** - * This function tries to emulate the important (to us) parts - * of memset_s on pre 10.9 systems. - * - * The implementation is taken from the original memset_s proposal: - * http://www.open-std.org/jtc1/sc22/wg14/www/docs/n1381.pdf - */ -errno_t LegacyMemsetS(void *s, rsize_t smax __attribute__((unused)), int c, rsize_t n) -{ - volatile unsigned char * addr = (volatile unsigned char *)s; - while(n--) *addr++ = (unsigned char)c; - - return 0; -} |