83 lines
3.5 KiB
C++
83 lines
3.5 KiB
C++
/**
|
|
* =========================================================================
|
|
* File : secure_crt.cpp
|
|
* Project : 0 A.D.
|
|
* Description : partial implementation of VC8's secure CRT functions
|
|
* =========================================================================
|
|
*/
|
|
|
|
// license: GPL; see lib/license.txt
|
|
|
|
#ifndef INCLUDED_SECURE_CRT
|
|
#define INCLUDED_SECURE_CRT
|
|
|
|
#include "posix/posix_types.h" // size_t
|
|
|
|
namespace ERR
|
|
{
|
|
const LibError STRING_NOT_TERMINATED = -100600;
|
|
}
|
|
|
|
// only declare these functions if using our implementation
|
|
// (otherwise, we risk incompatibilities)
|
|
#if !HAVE_SECURE_CRT
|
|
|
|
// (conflicts with glibc definitions)
|
|
#if !OS_UNIX
|
|
// return length [in characters] of a string, not including the trailing
|
|
// null character. to protect against access violations, only the
|
|
// first <max_len> characters are examined; if the null character is
|
|
// not encountered by then, <max_len> is returned.
|
|
extern size_t strnlen(const char* str, size_t max_len);
|
|
extern size_t wcsnlen(const wchar_t* str, size_t max_len);
|
|
#endif
|
|
|
|
// copy at most <max_src_chars> (not including trailing null) from
|
|
// <src> into <dst>, which must not overlap.
|
|
// if thereby <max_dst_chars> (including null) would be exceeded,
|
|
// <dst> is set to the empty string and ERANGE returned; otherwise,
|
|
// 0 is returned to indicate success and that <dst> is null-terminated.
|
|
//
|
|
// note: padding with zeroes is not called for by NG1031.
|
|
extern int strncpy_s(char* dst, size_t max_dst_chars, const char* src, size_t max_src_chars);
|
|
extern int wcsncpy_s(wchar_t* dst, size_t max_dst_chars, const wchar_t* src, size_t max_src_chars);
|
|
|
|
// copy <src> (including trailing null) into <dst>, which must not overlap.
|
|
// if thereby <max_dst_chars> (including null) would be exceeded,
|
|
// <dst> is set to the empty string and ERANGE returned; otherwise,
|
|
// 0 is returned to indicate success and that <dst> is null-terminated.
|
|
//
|
|
// note: implemented as tncpy_s(dst, max_dst_chars, src, SIZE_MAX)
|
|
extern int strcpy_s(char* dst, size_t max_dst_chars, const char* src);
|
|
extern int wcscpy_s(wchar_t* dst, size_t max_dst_chars, const wchar_t* src);
|
|
|
|
// append at most <max_src_chars> (not including trailing null) from
|
|
// <src> to <dst>, which must not overlap.
|
|
// if thereby <max_dst_chars> (including null) would be exceeded,
|
|
// <dst> is set to the empty string and ERANGE returned; otherwise,
|
|
// 0 is returned to indicate success and that <dst> is null-terminated.
|
|
extern int strncat_s(char* dst, size_t max_dst_chars, const char* src, size_t max_src_chars);
|
|
extern int wcsncat_s(wchar_t* dst, size_t max_dst_chars, const wchar_t* src, size_t max_src_chars);
|
|
|
|
// append <src> to <dst>, which must not overlap.
|
|
// if thereby <max_dst_chars> (including null) would be exceeded,
|
|
// <dst> is set to the empty string and ERANGE returned; otherwise,
|
|
// 0 is returned to indicate success and that <dst> is null-terminated.
|
|
//
|
|
// note: implemented as tncat_s(dst, max_dst_chars, src, SIZE_MAX)
|
|
extern int strcat_s(char* dst, size_t max_dst_chars, const char* src);
|
|
extern int wcscat_s(wchar_t* dst, size_t max_dst_chars, const wchar_t* src);
|
|
|
|
|
|
extern int sprintf_s(char* buf, size_t max_chars, const char* fmt, ...);
|
|
extern int swprintf_s(wchar_t* buf, size_t max_chars, const wchar_t* fmt, ...);
|
|
|
|
typedef int errno_t;
|
|
extern errno_t fopen_s(FILE** pfile, const char* filename, const char* mode);
|
|
extern errno_t _wfopen_s(FILE** pfile, const wchar_t* filename, const wchar_t* mode);
|
|
|
|
#define fscanf_s fscanf
|
|
|
|
#endif // #if !HAVE_SECURE_CRT
|
|
#endif // #ifndef INCLUDED_SECURE_CRT
|