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Location: cpp/openttd-patchpack/source/src/safeguards.h - annotation
r27835:eabfaa878ced
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Add: calendar date for Survey results
This means no heuristics is possible on around which date people
play the game.
This means no heuristics is possible on around which date people
play the game.
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* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file safeguards.h A number of safeguards to prevent using unsafe methods.
*
* Unsafe methods are, for example, strndup and strncpy because they may leave the
* string without a null termination, but also strdup and strndup because they can
* return nullptr and then all strdups would need to be guarded against that instead
* of using the current MallocT/ReallocT/CallocT technique of just giving the user
* an error that too much memory was used instead of spreading that code though
* the whole code base.
*/
#ifndef SAFEGUARDS_H
#define SAFEGUARDS_H
/* Use MallocT instead. */
#define malloc SAFEGUARD_DO_NOT_USE_THIS_METHOD
/* Use MallocT instead. */
#define calloc SAFEGUARD_DO_NOT_USE_THIS_METHOD
/* Use ReallocT instead. */
#define realloc SAFEGUARD_DO_NOT_USE_THIS_METHOD
/* Use std::string instead. */
#define strdup SAFEGUARD_DO_NOT_USE_THIS_METHOD
#define strndup SAFEGUARD_DO_NOT_USE_THIS_METHOD
/* Use strecpy instead. */
#define strcpy SAFEGUARD_DO_NOT_USE_THIS_METHOD
#define strncpy SAFEGUARD_DO_NOT_USE_THIS_METHOD
/* Use std::string concatenation/fmt::format instead. */
#define strcat SAFEGUARD_DO_NOT_USE_THIS_METHOD
#define strncat SAFEGUARD_DO_NOT_USE_THIS_METHOD
/* Use fmt::format instead. */
#define sprintf SAFEGUARD_DO_NOT_USE_THIS_METHOD
#define snprintf SAFEGUARD_DO_NOT_USE_THIS_METHOD
/* Use fmt::format instead. */
#define vsprintf SAFEGUARD_DO_NOT_USE_THIS_METHOD
#define vsnprintf SAFEGUARD_DO_NOT_USE_THIS_METHOD
/* Use fgets instead. */
#define gets SAFEGUARD_DO_NOT_USE_THIS_METHOD
/* No clear replacement. */
#define strtok SAFEGUARD_DO_NOT_USE_THIS_METHOD
/* Use fmt::print instead. */
#define printf SAFEGUARD_DO_NOT_USE_THIS_METHOD
#define fprintf SAFEGUARD_DO_NOT_USE_THIS_METHOD
#define puts SAFEGUARD_DO_NOT_USE_THIS_METHOD
#define fputs SAFEGUARD_DO_NOT_USE_THIS_METHOD
#define putchar SAFEGUARD_DO_NOT_USE_THIS_METHOD
/* Use our own templated implementation instead of a macro or function with only one type. */
#ifdef min
#undef min
#endif
/* Use our own templated implementation instead of a macro or function with only one type. */
#ifdef max
#undef max
#endif
/* Use our own templated implementation instead of a macro or function with only one type. */
#ifdef abs
#undef abs
#endif
#if defined(NETWORK_CORE_OS_ABSTRACTION_H) && defined(_WIN32)
/* Use NetworkError::GetLast() instead of errno, or do not (indirectly) include network/core/os_abstraction.h.
* Winsock does not set errno, but one should rather call WSAGetLastError. NetworkError::GetLast abstracts that away. */
#ifdef errno
#undef errno
#endif
#define errno SAFEGUARD_DO_NOT_USE_THIS_METHOD
/* Use NetworkError::AsString() instead of strerror, or do not (indirectly) include network/core/os_abstraction.h.
* Winsock errors are not handled by strerror, but one should rather call FormatMessage. NetworkError::AsString abstracts that away. */
#define strerror SAFEGUARD_DO_NOT_USE_THIS_METHOD
#endif /* defined(NETWORK_CORE_OS_ABSTRACTION_H) && defined(_WIN32) */
#endif /* SAFEGUARDS_H */
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