janwas
ef602c3dfd
- improved form of noncopyable that avoids inheritance warnings - PCH updates to allow more restrictive MINIMAL_PCH sound/SoundGroup.cpp: fix copy-paste error This was SVN commit r7498.
124 lines
5.4 KiB
C++
124 lines
5.4 KiB
C++
/* Copyright (c) 2010 Wildfire Games
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* partial implementation of VC8's secure CRT functions
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*/
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#ifndef INCLUDED_SECURE_CRT
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#define INCLUDED_SECURE_CRT
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#include <stdarg.h>
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#include "lib/lib_errors.h"
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namespace ERR
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{
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const LibError STRING_NOT_TERMINATED = -100600;
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}
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// if the platform lacks a secure CRT implementation, we'll provide one.
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#if MSC_VERSION >= 1400
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# define EMULATE_SECURE_CRT 0
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#else
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# define EMULATE_SECURE_CRT 1
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#endif
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#if EMULATE_SECURE_CRT
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// (conflicts with glibc definitions)
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#if !OS_UNIX || OS_MACOSX
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// return length [in characters] of a string, not including the trailing
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// null character. to protect against access violations, only the
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// first <max_len> characters are examined; if the null character is
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// not encountered by then, <max_len> is returned.
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extern size_t strnlen(const char* str, size_t max_len);
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extern size_t wcsnlen(const wchar_t* str, size_t max_len);
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#endif
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// copy at most <max_src_chars> (not including trailing null) from
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// <src> into <dst>, which must not overlap.
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// if thereby <max_dst_chars> (including null) would be exceeded,
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// <dst> is set to the empty string and ERANGE returned; otherwise,
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// 0 is returned to indicate success and that <dst> is null-terminated.
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//
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// note: padding with zeroes is not called for by NG1031.
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extern int strncpy_s(char* dst, size_t max_dst_chars, const char* src, size_t max_src_chars);
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extern int wcsncpy_s(wchar_t* dst, size_t max_dst_chars, const wchar_t* src, size_t max_src_chars);
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// copy <src> (including trailing null) into <dst>, which must not overlap.
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// if thereby <max_dst_chars> (including null) would be exceeded,
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// <dst> is set to the empty string and ERANGE returned; otherwise,
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// 0 is returned to indicate success and that <dst> is null-terminated.
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//
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// note: implemented as tncpy_s(dst, max_dst_chars, src, SIZE_MAX)
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extern int strcpy_s(char* dst, size_t max_dst_chars, const char* src);
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extern int wcscpy_s(wchar_t* dst, size_t max_dst_chars, const wchar_t* src);
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// append at most <max_src_chars> (not including trailing null) from
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// <src> to <dst>, which must not overlap.
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// if thereby <max_dst_chars> (including null) would be exceeded,
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// <dst> is set to the empty string and ERANGE returned; otherwise,
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// 0 is returned to indicate success and that <dst> is null-terminated.
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extern int strncat_s(char* dst, size_t max_dst_chars, const char* src, size_t max_src_chars);
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extern int wcsncat_s(wchar_t* dst, size_t max_dst_chars, const wchar_t* src, size_t max_src_chars);
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// append <src> to <dst>, which must not overlap.
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// if thereby <max_dst_chars> (including null) would be exceeded,
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// <dst> is set to the empty string and ERANGE returned; otherwise,
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// 0 is returned to indicate success and that <dst> is null-terminated.
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//
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// note: implemented as tncat_s(dst, max_dst_chars, src, SIZE_MAX)
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extern int strcat_s(char* dst, size_t max_dst_chars, const char* src);
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extern int wcscat_s(wchar_t* dst, size_t max_dst_chars, const wchar_t* src);
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extern int vsprintf_s(char* dst, size_t max_dst_chars, const char* fmt, va_list ap) VPRINTF_ARGS(3);
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extern int vswprintf_s(wchar_t* dst, size_t max_dst_chars, const wchar_t* fmt, va_list ap) VWPRINTF_ARGS(3);
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extern int sprintf_s(char* buf, size_t max_chars, const char* fmt, ...) PRINTF_ARGS(3);
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extern int swprintf_s(wchar_t* buf, size_t max_chars, const wchar_t* fmt, ...) WPRINTF_ARGS(3);
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typedef int errno_t;
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extern errno_t fopen_s(FILE** pfile, const char* filename, const char* mode);
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extern errno_t _wfopen_s(FILE** pfile, const wchar_t* filename, const wchar_t* mode);
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// we'd like to avoid deprecation warnings caused by scanf. selective
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// 'undeprecation' isn't possible, replacing all stdio declarations with
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// our own deprecation scheme is a lot of work, suppressing all deprecation
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// warnings would cause important other warnings to be missed, and avoiding
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// scanf outright isn't convenient.
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// the remaining alternative is using scanf_s where available and otherwise
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// defining it to scanf. note that scanf_s has a different API:
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// any %s or %c or %[ format specifier's buffer must be followed by a
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// size parameter. callers must either avoid these, or provide two codepaths
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// (use scanf #if EMULATE_SECURE_CRT, otherwise scanf_s).
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#define scanf_s scanf
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#define wscanf_s wscanf
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#define fscanf_s fscanf
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#define fwscanf_s fwscanf
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#define sscanf_s sscanf
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#define swscanf_s swscanf
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#endif // #if EMULATE_SECURE_CRT
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#endif // #ifndef INCLUDED_SECURE_CRT
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