janwas
3d23b2d9f5
snd.cpp - remove stack size note vfs_tree - fix uninitialized variable problem string_s - match official rename of strlen_s to strnlen ia32 - fix infinite recursion, the apparent cause of bug#64 This was SVN commit r2470.
56 lines
2.6 KiB
C
56 lines
2.6 KiB
C
#ifndef STRINGS_S_H__
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#define STRINGS_S_H__
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#include "posix_types.h" // size_t
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// these are already shipped with VC2005
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#if _MSC_VER < 1400
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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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// 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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#endif // #if _MSC_VER < 1400
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#endif // #ifndef STRINGS_S_H__
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