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7fcf4b17d0
- Don't add the signatures for CRYPTO_* when compiling yaSSL for MySQL extra/yassl/taocrypt/src/misc.cpp: No need to include the CRYPTO_* when compiling yaSSL for MySQL
169 lines
3.5 KiB
C++
169 lines
3.5 KiB
C++
/* misc.cpp
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*
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* Copyright (C) 2003 Sawtooth Consulting Ltd.
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*
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* This file is part of yaSSL.
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*
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* yaSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* There are special exceptions to the terms and conditions of the GPL as it
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* is applied to yaSSL. View the full text of the exception in the file
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* FLOSS-EXCEPTIONS in the directory of this software distribution.
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*
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* yaSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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/* based on Wei Dai's misc.cpp from CryptoPP */
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#include "runtime.hpp"
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#include "misc.hpp"
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#if !defined(YASSL_MYSQL_COMPATIBLE)
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extern "C" {
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// for libcurl configure test, these are the signatures they use
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// locking handled internally by library
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char CRYPTO_lock() { return 0;}
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char CRYPTO_add_lock() { return 0;}
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} // extern "C"
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#endif
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#ifdef YASSL_PURE_C
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void* operator new(size_t sz, TaoCrypt::new_t)
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{
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void* ptr = malloc(sz ? sz : 1);
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if (!ptr) abort();
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return ptr;
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}
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void operator delete(void* ptr, TaoCrypt::new_t)
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{
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if (ptr) free(ptr);
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}
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void* operator new[](size_t sz, TaoCrypt::new_t nt)
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{
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return ::operator new(sz, nt);
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}
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void operator delete[](void* ptr, TaoCrypt::new_t nt)
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{
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::operator delete(ptr, nt);
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}
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/* uncomment to test
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// make sure not using globals anywhere by forgetting to use overloaded
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void* operator new(size_t sz);
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void operator delete(void* ptr);
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void* operator new[](size_t sz);
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void operator delete[](void* ptr);
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*/
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namespace TaoCrypt {
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new_t tc; // for library new
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}
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#if defined(__ICC) || defined(__INTEL_COMPILER)
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extern "C" {
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int __cxa_pure_virtual() {
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assert("Pure virtual method called." == "Aborted");
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return 0;
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}
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} // extern "C"
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#endif
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#endif // YASSL_PURE_C
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namespace TaoCrypt {
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inline void XorWords(word* r, const word* a, unsigned int n)
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{
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for (unsigned int i=0; i<n; i++)
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r[i] ^= a[i];
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}
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void xorbuf(byte* buf, const byte* mask, unsigned int count)
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{
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if (((size_t)buf | (size_t)mask | count) % WORD_SIZE == 0)
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XorWords((word *)buf, (const word *)mask, count/WORD_SIZE);
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else
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{
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for (unsigned int i=0; i<count; i++)
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buf[i] ^= mask[i];
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}
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}
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unsigned int BytePrecision(unsigned long value)
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{
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unsigned int i;
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for (i=sizeof(value); i; --i)
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if (value >> (i-1)*8)
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break;
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return i;
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}
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unsigned int BitPrecision(unsigned long value)
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{
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if (!value)
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return 0;
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unsigned int l = 0,
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h = 8 * sizeof(value);
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while (h-l > 1)
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{
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unsigned int t = (l+h)/2;
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if (value >> t)
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l = t;
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else
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h = t;
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}
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return h;
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}
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unsigned long Crop(unsigned long value, unsigned int size)
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{
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if (size < 8*sizeof(value))
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return (value & ((1L << size) - 1));
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else
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return value;
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}
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} // namespace
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