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wposix: add SIZE_MAX

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add header for string_s

This was SVN commit r1954.
This commit is contained in:
janwas 2005-02-28 15:36:19 +00:00
parent 8e16010d3e
commit ed887b4eda
3 changed files with 69 additions and 3 deletions
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10
source/lib/string_s.cpp
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@ -170,9 +170,15 @@ int tncat_s(tchar* dst, size_t max_dst_chars, const tchar* src, size_t max_src_c
}
int tcat_s(tchar* dst, size_t max_chars, const tchar* src)
// 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)
int tcat_s(tchar* dst, size_t max_dst_chars, const tchar* src)
{
return tncat_s(dst, max_chars, src, SIZE_MAX);
return tncat_s(dst, max_dst_chars, src, SIZE_MAX);
}

54
source/lib/string_s.h Normal file
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@ -0,0 +1,54 @@
#ifndef STRINGS_S_H__
#define STRINGS_S_H__
// these are already shipped with VC2005
#if _MSC_VER < 1400
// 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 strlen_s(const tchar* str, size_t max_len);
extern size_t wcslen_s(const tchar* str, size_t max_len);
// 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(tchar* dst, size_t max_dst_chars, const tchar* src, size_t max_src_chars);
extern int wcsncpy_s(tchar* dst, size_t max_dst_chars, const tchar* 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(tchar* dst, size_t max_dst_chars, const tchar* src);
extern int wcscpy_s(tchar* dst, size_t max_dst_chars, const tchar* 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(tchar* dst, size_t max_dst_chars, const tchar* src, size_t max_src_chars);
extern int wcsncat_s(tchar* dst, size_t max_dst_chars, const tchar* 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(tchar* dst, size_t max_dst_chars, const tchar* src);
extern int wcscat_s(tchar* dst, size_t max_dst_chars, const tchar* src);
#endif // #if _MSC_VER < 1400
#endif // #ifndef STRINGS_S_H__

8
source/lib/sysdep/win/wposix.h
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@ -57,9 +57,15 @@ extern "C" {
// <limits.h>
//
#define PATH_MAX 256
#define PATH_MAX 255
// Win32 MAX_PATH is 260
#ifdef _WIN32
# define SIZE_MAX 0xffffffff
#else
# define SIZE_MAX 0xffffffffffffffff
#endif
//
// <errno.h>