diff options
Diffstat (limited to 'src/pal/src/safecrt/tcscpy_s.inl')
-rw-r--r-- | src/pal/src/safecrt/tcscpy_s.inl | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/pal/src/safecrt/tcscpy_s.inl b/src/pal/src/safecrt/tcscpy_s.inl new file mode 100644 index 0000000000..b1192d8ee7 --- /dev/null +++ b/src/pal/src/safecrt/tcscpy_s.inl @@ -0,0 +1,39 @@ +// Licensed to the .NET Foundation under one or more agreements. +// The .NET Foundation licenses this file to you under the MIT license. +// See the LICENSE file in the project root for more information. + +/*** +*tcscpy_s.inl - general implementation of _tcscpy_s +* + +* +*Purpose: +* This file contains the general algorithm for strcpy_s and its variants. +* +****/ + +_FUNC_PROLOGUE +errno_t __cdecl _FUNC_NAME(_CHAR *_DEST, size_t _SIZE, const _CHAR *_SRC) +{ + _CHAR *p; + size_t available; + + /* validation section */ + _VALIDATE_STRING(_DEST, _SIZE); + _VALIDATE_POINTER_RESET_STRING(_SRC, _DEST, _SIZE); + + p = _DEST; + available = _SIZE; + while ((*p++ = *_SRC++) != 0 && --available > 0) + { + } + + if (available == 0) + { + _RESET_STRING(_DEST, _SIZE); + _RETURN_BUFFER_TOO_SMALL(_DEST, _SIZE); + } + _FILL_STRING(_DEST, _SIZE, _SIZE - available + 1); + _RETURN_NO_ERROR; +} + |