68 lines
1.9 KiB
C
68 lines
1.9 KiB
C
/*
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* Copyright 2018 Nikolay Sivov
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "pathcch.h"
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#include "strsafe.h"
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#include "wine/debug.h"
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#include "wine/unicode.h"
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WINE_DEFAULT_DEBUG_CHANNEL(path);
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HRESULT WINAPI PathCchAddBackslash(WCHAR *path, SIZE_T size)
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{
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return PathCchAddBackslashEx(path, size, NULL, NULL);
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}
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HRESULT WINAPI PathCchAddBackslashEx(WCHAR *path, SIZE_T size, WCHAR **endptr, SIZE_T *remaining)
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{
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BOOL needs_termination;
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SIZE_T length;
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TRACE("%s, %lu, %p, %p\n", debugstr_w(path), size, endptr, remaining);
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length = strlenW(path);
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needs_termination = size && length && path[length - 1] != '\\';
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if (length >= (needs_termination ? size - 1 : size))
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{
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if (endptr) *endptr = NULL;
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if (remaining) *remaining = 0;
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return STRSAFE_E_INSUFFICIENT_BUFFER;
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}
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if (!needs_termination)
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{
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if (endptr) *endptr = path + length;
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if (remaining) *remaining = size - length;
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return S_FALSE;
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}
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path[length++] = '\\';
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path[length] = 0;
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if (endptr) *endptr = path + length;
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if (remaining) *remaining = size - length;
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return S_OK;
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}
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