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/*
* Copyright 2018 Nikolay Sivov
* Copyright 2018 Zhiyi Zhang
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "pathcch.h"
#include "strsafe.h"
#include "shlwapi.h"
#include "wine/debug.h"
#include "wine/unicode.h"
WINE_DEFAULT_DEBUG_CHANNEL(path);
static char *char_next(const char *ptr)
{
if (!*ptr) return (LPSTR)ptr;
if (IsDBCSLeadByte( ptr[0] ) && ptr[1]) return (LPSTR)(ptr + 2);
return (LPSTR)(ptr + 1);
}
static char * char_prev(const char *start, const char *ptr)
{
while (*start && (start < ptr))
{
const char *next = char_next(start);
if (next >= ptr) break;
start = next;
}
return (char *)start;
}
static SIZE_T strnlenW(const WCHAR *string, SIZE_T maxlen)
{
SIZE_T i;
for (i = 0; i < maxlen; i++)
if (!string[i]) break;
return i;
}
static BOOL is_prefixed_unc(const WCHAR *string)
{
static const WCHAR prefixed_unc[] = {'\\', '\\', '?', '\\', 'U', 'N', 'C', '\\'};
return !strncmpiW(string, prefixed_unc, ARRAY_SIZE(prefixed_unc));
}
static BOOL is_prefixed_disk(const WCHAR *string)
{
static const WCHAR prefix[] = {'\\', '\\', '?', '\\'};
return !strncmpW(string, prefix, ARRAY_SIZE(prefix)) && isalphaW(string[4]) && string[5] == ':';
}
static BOOL is_prefixed_volume(const WCHAR *string)
{
static const WCHAR prefixed_volume[] = {'\\', '\\', '?', '\\', 'V', 'o', 'l', 'u', 'm', 'e'};
const WCHAR *guid;
INT i = 0;
if (strncmpiW(string, prefixed_volume, ARRAY_SIZE(prefixed_volume))) return FALSE;
guid = string + ARRAY_SIZE(prefixed_volume);
while (i <= 37)
{
switch (i)
{
case 0:
if (guid[i] != '{') return FALSE;
break;
case 9:
case 14:
case 19:
case 24:
if (guid[i] != '-') return FALSE;
break;
case 37:
if (guid[i] != '}') return FALSE;
break;
default:
if (!isalnumW(guid[i])) return FALSE;
break;
}
i++;
}
return TRUE;
}
/* Get the next character beyond end of the segment.
Return TRUE if the last segment ends with a backslash */
static BOOL get_next_segment(const WCHAR *next, const WCHAR **next_segment)
{
while (*next && *next != '\\') next++;
if (*next == '\\')
{
*next_segment = next + 1;
return TRUE;
}
else
{
*next_segment = next;
return FALSE;
}
}
/* Find the last character of the root in a path, if there is one, without any segments */
static const WCHAR *get_root_end(const WCHAR *path)
{
/* Find path root */
if (is_prefixed_volume(path))
return path[48] == '\\' ? path + 48 : path + 47;
else if (is_prefixed_unc(path))
return path + 7;
else if (is_prefixed_disk(path))
return path[6] == '\\' ? path + 6 : path + 5;
/* \\ */
else if (path[0] == '\\' && path[1] == '\\')
return path + 1;
/* \ */
else if (path[0] == '\\')
return path;
/* X:\ */
else if (isalphaW(path[0]) && path[1] == ':')
return path[2] == '\\' ? path + 2 : path + 1;
else
return NULL;
}
HRESULT WINAPI PathAllocCanonicalize(const WCHAR *path_in, DWORD flags, WCHAR **path_out)
{
WCHAR *buffer, *dst;
const WCHAR *src;
const WCHAR *root_end;
SIZE_T buffer_size, length;
TRACE("%s %#x %p\n", debugstr_w(path_in), flags, path_out);
if (!path_in || !path_out
|| ((flags & PATHCCH_FORCE_ENABLE_LONG_NAME_PROCESS) && (flags & PATHCCH_FORCE_DISABLE_LONG_NAME_PROCESS))
|| (flags & (PATHCCH_FORCE_ENABLE_LONG_NAME_PROCESS | PATHCCH_FORCE_DISABLE_LONG_NAME_PROCESS)
&& !(flags & PATHCCH_ALLOW_LONG_PATHS))
|| ((flags & PATHCCH_ENSURE_IS_EXTENDED_LENGTH_PATH) && (flags & PATHCCH_ALLOW_LONG_PATHS)))
{
if (path_out) *path_out = NULL;
return E_INVALIDARG;
}
length = strlenW(path_in);
if ((length + 1 > MAX_PATH && !(flags & (PATHCCH_ALLOW_LONG_PATHS | PATHCCH_ENSURE_IS_EXTENDED_LENGTH_PATH)))
|| (length + 1 > PATHCCH_MAX_CCH))
{
*path_out = NULL;
return HRESULT_FROM_WIN32(ERROR_FILENAME_EXCED_RANGE);
}
/* PATHCCH_ENSURE_IS_EXTENDED_LENGTH_PATH implies PATHCCH_DO_NOT_NORMALIZE_SEGMENTS */
if (flags & PATHCCH_ENSURE_IS_EXTENDED_LENGTH_PATH) flags |= PATHCCH_DO_NOT_NORMALIZE_SEGMENTS;
/* path length + possible \\?\ addition + possible \ addition + NUL */
buffer_size = (length + 6) * sizeof(WCHAR);
buffer = LocalAlloc(LMEM_ZEROINIT, buffer_size);
if (!buffer)
{
*path_out = NULL;
return E_OUTOFMEMORY;
}
src = path_in;
dst = buffer;
root_end = get_root_end(path_in);
if (root_end) root_end = buffer + (root_end - path_in);
/* Copy path root */
if (root_end)
{
memcpy(dst, src, (root_end - buffer + 1) * sizeof(WCHAR));
src += root_end - buffer + 1;
if(PathCchStripPrefix(dst, length + 6) == S_OK)
{
/* Fill in \ in X:\ if the \ is missing */
if(isalphaW(dst[0]) && dst[1] == ':' && dst[2]!= '\\')
{
dst[2] = '\\';
dst[3] = 0;
}
dst = buffer + strlenW(buffer);
root_end = dst;
}
else
dst += root_end - buffer + 1;
}
while (*src)
{
if (src[0] == '.')
{
if (src[1] == '.')
{
/* Keep one . after * */
if (dst > buffer && dst[-1] == '*')
{
*dst++ = *src++;
continue;
}
/* Keep the . if one of the following is true:
* 1. PATHCCH_DO_NOT_NORMALIZE_SEGMENTS
* 2. in form of a..b
*/
if (dst > buffer
&& (((flags & PATHCCH_DO_NOT_NORMALIZE_SEGMENTS) && dst[-1] != '\\')
|| (dst[-1] != '\\' && src[2] != '\\' && src[2])))
{
*dst++ = *src++;
*dst++ = *src++;
continue;
}
/* Remove the \ before .. if the \ is not part of root */
if (dst > buffer && dst[-1] == '\\' && (!root_end || dst - 1 > root_end))
{
*--dst = '\0';
/* Remove characters until a \ is encountered */
while (dst > buffer)
{
if (dst[-1] == '\\')
{
*--dst = 0;
break;
}
else
*--dst = 0;
}
}
/* Remove the extra \ after .. if the \ before .. wasn't deleted */
else if (src[2] == '\\')
src++;
src += 2;
}
else
{
/* Keep the . if one of the following is true:
* 1. PATHCCH_DO_NOT_NORMALIZE_SEGMENTS
* 2. in form of a.b, which is used in domain names
* 3. *.
*/
if (dst > buffer
&& ((flags & PATHCCH_DO_NOT_NORMALIZE_SEGMENTS && dst[-1] != '\\')
|| (dst[-1] != '\\' && src[1] != '\\' && src[1]) || (dst[-1] == '*')))
{
*dst++ = *src++;
continue;
}
/* Remove the \ before . if the \ is not part of root */
if (dst > buffer && dst[-1] == '\\' && (!root_end || dst - 1 > root_end)) dst--;
/* Remove the extra \ after . if the \ before . wasn't deleted */
else if (src[1] == '\\')
src++;
src++;
}
/* If X:\ is not complete, then complete it */
if (isalphaW(buffer[0]) && buffer[1] == ':' && buffer[2] != '\\')
{
root_end = buffer + 2;
dst = buffer + 3;
buffer[2] = '\\';
/* If next character is \, use the \ to fill in */
if (src[0] == '\\') src++;
}
}
/* Copy over */
else
*dst++ = *src++;
}
/* End the path */
*dst = 0;
/* If result path is empty, fill in \ */
if (!*buffer)
{
buffer[0] = '\\';
buffer[1] = 0;
}
/* Extend the path if needed */
length = strlenW(buffer);
if (((length + 1 > MAX_PATH && isalphaW(buffer[0]) && buffer[1] == ':')
|| (isalphaW(buffer[0]) && buffer[1] == ':' && flags & PATHCCH_ENSURE_IS_EXTENDED_LENGTH_PATH))
&& !(flags & PATHCCH_FORCE_ENABLE_LONG_NAME_PROCESS))
{
memmove(buffer + 4, buffer, (length + 1) * sizeof(WCHAR));
buffer[0] = '\\';
buffer[1] = '\\';
buffer[2] = '?';
buffer[3] = '\\';
}
/* Add a trailing backslash to the path if needed */
if (flags & PATHCCH_ENSURE_TRAILING_SLASH)
PathCchAddBackslash(buffer, buffer_size);
*path_out = buffer;
return S_OK;
}
HRESULT WINAPI PathAllocCombine(const WCHAR *path1, const WCHAR *path2, DWORD flags, WCHAR **out)
{
SIZE_T combined_length, length2;
WCHAR *combined_path;
BOOL from_path2 = FALSE;
HRESULT hr;
TRACE("%s %s %#x %p\n", wine_dbgstr_w(path1), wine_dbgstr_w(path2), flags, out);
if ((!path1 && !path2) || !out)
{
if (out) *out = NULL;
return E_INVALIDARG;
}
if (!path1 || !path2) return PathAllocCanonicalize(path1 ? path1 : path2, flags, out);
/* If path2 is fully qualified, use path2 only */
if ((isalphaW(path2[0]) && path2[1] == ':') || (path2[0] == '\\' && path2[1] == '\\'))
{
path1 = path2;
path2 = NULL;
from_path2 = TRUE;
}
length2 = path2 ? strlenW(path2) : 0;
/* path1 length + path2 length + possible backslash + NULL */
combined_length = strlenW(path1) + length2 + 2;
combined_path = HeapAlloc(GetProcessHeap(), 0, combined_length * sizeof(WCHAR));
if (!combined_path)
{
*out = NULL;
return E_OUTOFMEMORY;
}
lstrcpyW(combined_path, path1);
PathCchStripPrefix(combined_path, combined_length);
if (from_path2) PathCchAddBackslashEx(combined_path, combined_length, NULL, NULL);
if (path2 && path2[0])
{
if (path2[0] == '\\' && path2[1] != '\\')
{
PathCchStripToRoot(combined_path, combined_length);
path2++;
}
PathCchAddBackslashEx(combined_path, combined_length, NULL, NULL);
lstrcatW(combined_path, path2);
}
hr = PathAllocCanonicalize(combined_path, flags, out);
HeapFree(GetProcessHeap(), 0, combined_path);
return hr;
}
HRESULT WINAPI PathCchAddBackslash(WCHAR *path, SIZE_T size)
{
return PathCchAddBackslashEx(path, size, NULL, NULL);
}
HRESULT WINAPI PathCchAddBackslashEx(WCHAR *path, SIZE_T size, WCHAR **endptr, SIZE_T *remaining)
{
BOOL needs_termination;
SIZE_T length;
TRACE("%s, %lu, %p, %p\n", debugstr_w(path), size, endptr, remaining);
length = strlenW(path);
needs_termination = size && length && path[length - 1] != '\\';
if (length >= (needs_termination ? size - 1 : size))
{
if (endptr) *endptr = NULL;
if (remaining) *remaining = 0;
return STRSAFE_E_INSUFFICIENT_BUFFER;
}
if (!needs_termination)
{
if (endptr) *endptr = path + length;
if (remaining) *remaining = size - length;
return S_FALSE;
}
path[length++] = '\\';
path[length] = 0;
if (endptr) *endptr = path + length;
if (remaining) *remaining = size - length;
return S_OK;
}
HRESULT WINAPI PathCchAddExtension(WCHAR *path, SIZE_T size, const WCHAR *extension)
{
const WCHAR *existing_extension, *next;
SIZE_T path_length, extension_length, dot_length;
BOOL has_dot;
HRESULT hr;
TRACE("%s %lu %s\n", wine_dbgstr_w(path), size, wine_dbgstr_w(extension));
if (!path || !size || size > PATHCCH_MAX_CCH || !extension) return E_INVALIDARG;
next = extension;
while (*next)
{
if ((*next == '.' && next > extension) || *next == ' ' || *next == '\\') return E_INVALIDARG;
next++;
}
has_dot = extension[0] == '.';
hr = PathCchFindExtension(path, size, &existing_extension);
if (FAILED(hr)) return hr;
if (*existing_extension) return S_FALSE;
path_length = strnlenW(path, size);
dot_length = has_dot ? 0 : 1;
extension_length = strlenW(extension);
if (path_length + dot_length + extension_length + 1 > size) return STRSAFE_E_INSUFFICIENT_BUFFER;
/* If extension is empty or only dot, return S_OK with path unchanged */
if (!extension[0] || (extension[0] == '.' && !extension[1])) return S_OK;
if (!has_dot)
{
path[path_length] = '.';
path_length++;
}
strcpyW(path + path_length, extension);
return S_OK;
}
HRESULT WINAPI PathCchAppend(WCHAR *path1, SIZE_T size, const WCHAR *path2)
{
TRACE("%s %lu %s\n", wine_dbgstr_w(path1), size, wine_dbgstr_w(path2));
return PathCchAppendEx(path1, size, path2, PATHCCH_NONE);
}
HRESULT WINAPI PathCchAppendEx(WCHAR *path1, SIZE_T size, const WCHAR *path2, DWORD flags)
{
HRESULT hr;
WCHAR *result;
TRACE("%s %lu %s %#x\n", wine_dbgstr_w(path1), size, wine_dbgstr_w(path2), flags);
if (!path1 || !size) return E_INVALIDARG;
/* Create a temporary buffer for result because we need to keep path1 unchanged if error occurs.
* And PathCchCombineEx writes empty result if there is error so we can't just use path1 as output
* buffer for PathCchCombineEx */
result = HeapAlloc(GetProcessHeap(), 0, size * sizeof(WCHAR));
if (!result) return E_OUTOFMEMORY;
/* Avoid the single backslash behavior with PathCchCombineEx when appending */
if (path2 && path2[0] == '\\' && path2[1] != '\\') path2++;
hr = PathCchCombineEx(result, size, path1, path2, flags);
if (SUCCEEDED(hr)) memcpy(path1, result, size * sizeof(WCHAR));
HeapFree(GetProcessHeap(), 0, result);
return hr;
}
HRESULT WINAPI PathCchCanonicalize(WCHAR *out, SIZE_T size, const WCHAR *in)
{
TRACE("%p %lu %s\n", out, size, wine_dbgstr_w(in));
/* Not X:\ and path > MAX_PATH - 4, return HRESULT_FROM_WIN32(ERROR_FILENAME_EXCED_RANGE) */
if (strlenW(in) > MAX_PATH - 4 && !(isalphaW(in[0]) && in[1] == ':' && in[2] == '\\'))
return HRESULT_FROM_WIN32(ERROR_FILENAME_EXCED_RANGE);
return PathCchCanonicalizeEx(out, size, in, PATHCCH_NONE);
}
HRESULT WINAPI PathCchCanonicalizeEx(WCHAR *out, SIZE_T size, const WCHAR *in, DWORD flags)
{
WCHAR *buffer;
SIZE_T length;
HRESULT hr;
TRACE("%p %lu %s %#x\n", out, size, wine_dbgstr_w(in), flags);
if (!size) return E_INVALIDARG;
hr = PathAllocCanonicalize(in, flags, &buffer);
if (FAILED(hr)) return hr;
length = strlenW(buffer);
if (size < length + 1)
{
/* No root and path > MAX_PATH - 4, return HRESULT_FROM_WIN32(ERROR_FILENAME_EXCED_RANGE) */
if (length > MAX_PATH - 4 && !(in[0] == '\\' || (isalphaW(in[0]) && in[1] == ':' && in[2] == '\\')))
hr = HRESULT_FROM_WIN32(ERROR_FILENAME_EXCED_RANGE);
else
hr = STRSAFE_E_INSUFFICIENT_BUFFER;
}
if (SUCCEEDED(hr))
{
memcpy(out, buffer, (length + 1) * sizeof(WCHAR));
/* Fill a backslash at the end of X: */
if (isalphaW(out[0]) && out[1] == ':' && !out[2] && size > 3)
{
out[2] = '\\';
out[3] = 0;
}
}
LocalFree(buffer);
return hr;
}
HRESULT WINAPI PathCchCombine(WCHAR *out, SIZE_T size, const WCHAR *path1, const WCHAR *path2)
{
TRACE("%p %s %s\n", out, wine_dbgstr_w(path1), wine_dbgstr_w(path2));
return PathCchCombineEx(out, size, path1, path2, PATHCCH_NONE);
}
HRESULT WINAPI PathCchCombineEx(WCHAR *out, SIZE_T size, const WCHAR *path1, const WCHAR *path2, DWORD flags)
{
HRESULT hr;
WCHAR *buffer;
SIZE_T length;
TRACE("%p %s %s %#x\n", out, wine_dbgstr_w(path1), wine_dbgstr_w(path2), flags);
if (!out || !size || size > PATHCCH_MAX_CCH) return E_INVALIDARG;
hr = PathAllocCombine(path1, path2, flags, &buffer);
if (FAILED(hr))
{
out[0] = 0;
return hr;
}
length = strlenW(buffer);
if (length + 1 > size)
{
out[0] = 0;
LocalFree(buffer);
return STRSAFE_E_INSUFFICIENT_BUFFER;
}
else
{
memcpy(out, buffer, (length + 1) * sizeof(WCHAR));
LocalFree(buffer);
return S_OK;
}
}
HRESULT WINAPI PathCchFindExtension(const WCHAR *path, SIZE_T size, const WCHAR **extension)
{
const WCHAR *lastpoint = NULL;
SIZE_T counter = 0;
TRACE("%s %lu %p\n", wine_dbgstr_w(path), size, extension);
if (!path || !size || size > PATHCCH_MAX_CCH)
{
*extension = NULL;
return E_INVALIDARG;
}
while (*path)
{
if (*path == '\\' || *path == ' ')
lastpoint = NULL;
else if (*path == '.')
lastpoint = path;
path++;
counter++;
if (counter == size || counter == PATHCCH_MAX_CCH)
{
*extension = NULL;
return E_INVALIDARG;
}
}
*extension = lastpoint ? lastpoint : path;
return S_OK;
}
BOOL WINAPI PathCchIsRoot(const WCHAR *path)
{
const WCHAR *root_end;
const WCHAR *next;
BOOL is_unc;
TRACE("%s\n", wine_dbgstr_w(path));
if (!path || !*path) return FALSE;
root_end = get_root_end(path);
if (!root_end) return FALSE;
if ((is_unc = is_prefixed_unc(path)) || (path[0] == '\\' && path[1] == '\\' && path[2] != '?'))
{
next = root_end + 1;
/* No extra segments */
if ((is_unc && !*next) || (!is_unc && !*next)) return TRUE;
/* Has first segment with an ending backslash but no remaining characters */
if (get_next_segment(next, &next) && !*next) return FALSE;
/* Has first segment with no ending backslash */
else if (!*next)
return TRUE;
/* Has first segment with an ending backslash and has remaining characters*/
else
{
next++;
/* Second segment must have no backslash and no remaining characters */
return !get_next_segment(next, &next) && !*next;
}
}
else if (*root_end == '\\' && !root_end[1])
return TRUE;
else
return FALSE;
}
HRESULT WINAPI PathCchRemoveBackslash(WCHAR *path, SIZE_T path_size)
{
WCHAR *path_end;
SIZE_T free_size;
TRACE("%s %lu\n", debugstr_w(path), path_size);
return PathCchRemoveBackslashEx(path, path_size, &path_end, &free_size);
}
HRESULT WINAPI PathCchRemoveBackslashEx(WCHAR *path, SIZE_T path_size, WCHAR **path_end, SIZE_T *free_size)
{
const WCHAR *root_end;
SIZE_T path_length;
TRACE("%s %lu %p %p\n", debugstr_w(path), path_size, path_end, free_size);
if (!path_size || !path_end || !free_size)
{
if (path_end) *path_end = NULL;
if (free_size) *free_size = 0;
return E_INVALIDARG;
}
path_length = strnlenW(path, path_size);
if (path_length == path_size && !path[path_length]) return E_INVALIDARG;
root_end = get_root_end(path);
if (path_length > 0 && path[path_length - 1] == '\\')
{
*path_end = path + path_length - 1;
*free_size = path_size - path_length + 1;
/* If the last character is beyond end of root */
if (!root_end || path + path_length - 1 > root_end)
{
path[path_length - 1] = 0;
return S_OK;
}
else
return S_FALSE;
}
else
{
*path_end = path + path_length;
*free_size = path_size - path_length;
return S_FALSE;
}
}
HRESULT WINAPI PathCchRemoveExtension(WCHAR *path, SIZE_T size)
{
const WCHAR *extension;
WCHAR *next;
HRESULT hr;
TRACE("%s %lu\n", wine_dbgstr_w(path), size);
if (!path || !size || size > PATHCCH_MAX_CCH) return E_INVALIDARG;
hr = PathCchFindExtension(path, size, &extension);
if (FAILED(hr)) return hr;
next = path + (extension - path);
while (next - path < size && *next) *next++ = 0;
return next == extension ? S_FALSE : S_OK;
}
HRESULT WINAPI PathCchRemoveFileSpec(WCHAR *path, SIZE_T size)
{
const WCHAR *root_end = NULL;
SIZE_T length;
WCHAR *last;
TRACE("%s %lu\n", wine_dbgstr_w(path), size);
if (!path || !size || size > PATHCCH_MAX_CCH) return E_INVALIDARG;
if (PathCchIsRoot(path)) return S_FALSE;
PathCchSkipRoot(path, &root_end);
/* The backslash at the end of UNC and \\* are not considered part of root in this case */
if (root_end && root_end > path && root_end[-1] == '\\'
&& (is_prefixed_unc(path) || (path[0] == '\\' && path[1] == '\\' && path[2] != '?')))
root_end--;
length = strlenW(path);
last = path + length - 1;
while (last >= path && (!root_end || last >= root_end))
{
if (last - path >= size) return E_INVALIDARG;
if (*last == '\\')
{
*last-- = 0;
break;
}
*last-- = 0;
}
return last != path + length - 1 ? S_OK : S_FALSE;
}
HRESULT WINAPI PathCchRenameExtension(WCHAR *path, SIZE_T size, const WCHAR *extension)
{
HRESULT hr;
TRACE("%s %lu %s\n", wine_dbgstr_w(path), size, wine_dbgstr_w(extension));
hr = PathCchRemoveExtension(path, size);
if (FAILED(hr)) return hr;
hr = PathCchAddExtension(path, size, extension);
return FAILED(hr) ? hr : S_OK;
}
HRESULT WINAPI PathCchSkipRoot(const WCHAR *path, const WCHAR **root_end)
{
static const WCHAR unc_prefix[] = {'\\', '\\', '?'};
TRACE("%s %p\n", debugstr_w(path), root_end);
if (!path || !path[0] || !root_end
|| (!strncmpiW(unc_prefix, path, ARRAY_SIZE(unc_prefix)) && !is_prefixed_volume(path) && !is_prefixed_unc(path)
&& !is_prefixed_disk(path)))
return E_INVALIDARG;
*root_end = get_root_end(path);
if (*root_end)
{
(*root_end)++;
if (is_prefixed_unc(path))
{
get_next_segment(*root_end, root_end);
get_next_segment(*root_end, root_end);
}
else if (path[0] == '\\' && path[1] == '\\' && path[2] != '?')
{
/* Skip share server */
get_next_segment(*root_end, root_end);
/* If mount point is empty, don't skip over mount point */
if (**root_end != '\\') get_next_segment(*root_end, root_end);
}
}
return *root_end ? S_OK : E_INVALIDARG;
}
HRESULT WINAPI PathCchStripPrefix(WCHAR *path, SIZE_T size)
{
TRACE("%s %lu\n", wine_dbgstr_w(path), size);
if (!path || !size || size > PATHCCH_MAX_CCH) return E_INVALIDARG;
if (is_prefixed_unc(path))
{
/* \\?\UNC\a -> \\a */
if (size < strlenW(path + 8) + 3) return E_INVALIDARG;
strcpyW(path + 2, path + 8);
return S_OK;
}
else if (is_prefixed_disk(path))
{
/* \\?\C:\ -> C:\ */
if (size < strlenW(path + 4) + 1) return E_INVALIDARG;
strcpyW(path, path + 4);
return S_OK;
}
else
return S_FALSE;
}
HRESULT WINAPI PathCchStripToRoot(WCHAR *path, SIZE_T size)
{
const WCHAR *root_end;
WCHAR *segment_end;
BOOL is_unc;
TRACE("%s %lu\n", wine_dbgstr_w(path), size);
if (!path || !*path || !size || size > PATHCCH_MAX_CCH) return E_INVALIDARG;
/* \\\\?\\UNC\\* and \\\\* have to have at least two extra segments to be striped,
* e.g. \\\\?\\UNC\\a\\b\\c -> \\\\?\\UNC\\a\\b
* \\\\a\\b\\c -> \\\\a\\b */
if ((is_unc = is_prefixed_unc(path)) || (path[0] == '\\' && path[1] == '\\' && path[2] != '?'))
{
root_end = is_unc ? path + 8 : path + 3;
if (!get_next_segment(root_end, &root_end)) return S_FALSE;
if (!get_next_segment(root_end, &root_end)) return S_FALSE;
if (root_end - path >= size) return E_INVALIDARG;
segment_end = path + (root_end - path) - 1;
*segment_end = 0;
return S_OK;
}
else if (PathCchSkipRoot(path, &root_end) == S_OK)
{
if (root_end - path >= size) return E_INVALIDARG;
segment_end = path + (root_end - path);
if (!*segment_end) return S_FALSE;
*segment_end = 0;
return S_OK;
}
else
return E_INVALIDARG;
}
BOOL WINAPI PathIsUNCEx(const WCHAR *path, const WCHAR **server)
{
const WCHAR *result = NULL;
TRACE("%s %p\n", wine_dbgstr_w(path), server);
if (is_prefixed_unc(path))
result = path + 8;
else if (path[0] == '\\' && path[1] == '\\' && path[2] != '?')
result = path + 2;
if (server) *server = result;
return !!result;
}
BOOL WINAPI PathIsUNCA(const char *path)
{
TRACE("%s\n", wine_dbgstr_a(path));
return path && (path[0] == '\\') && (path[1] == '\\');
}
BOOL WINAPI PathIsUNCW(const WCHAR *path)
{
TRACE("%s\n", wine_dbgstr_w(path));
return path && (path[0] == '\\') && (path[1] == '\\');
}
BOOL WINAPI PathIsRelativeA(const char *path)
{
TRACE("%s\n", wine_dbgstr_a(path));
if (!path || !*path || IsDBCSLeadByte(*path))
return TRUE;
return !(*path == '\\' || (*path && path[1] == ':'));
}
BOOL WINAPI PathIsRelativeW(const WCHAR *path)
{
TRACE("%s\n", wine_dbgstr_w(path));
if (!path || !*path)
return TRUE;
return !(*path == '\\' || (*path && path[1] == ':'));
}
BOOL WINAPI PathIsUNCServerShareA(const char *path)
{
BOOL seen_slash = FALSE;
TRACE("%s\n", wine_dbgstr_a(path));
if (path && *path++ == '\\' && *path++ == '\\')
{
while (*path)
{
if (*path == '\\')
{
if (seen_slash)
return FALSE;
seen_slash = TRUE;
}
path = char_next(path);
}
}
return seen_slash;
}
BOOL WINAPI PathIsUNCServerShareW(const WCHAR *path)
{
BOOL seen_slash = FALSE;
TRACE("%s\n", wine_dbgstr_w(path));
if (path && *path++ == '\\' && *path++ == '\\')
{
while (*path)
{
if (*path == '\\')
{
if (seen_slash)
return FALSE;
seen_slash = TRUE;
}
path++;
}
}
return seen_slash;
}
BOOL WINAPI PathIsRootA(const char *path)
{
TRACE("%s\n", wine_dbgstr_a(path));
if (!path || !*path)
return FALSE;
if (*path == '\\')
{
if (!path[1])
return TRUE; /* \ */
else if (path[1] == '\\')
{
BOOL seen_slash = FALSE;
path += 2;
/* Check for UNC root path */
while (*path)
{
if (*path == '\\')
{
if (seen_slash)
return FALSE;
seen_slash = TRUE;
}
path = char_next(path);
}
return TRUE;
}
}
else if (path[1] == ':' && path[2] == '\\' && path[3] == '\0')
return TRUE; /* X:\ */
return FALSE;
}
BOOL WINAPI PathIsRootW(const WCHAR *path)
{
TRACE("%s\n", wine_dbgstr_w(path));
if (!path || !*path)
return FALSE;
if (*path == '\\')
{
if (!path[1])
return TRUE; /* \ */
else if (path[1] == '\\')
{
BOOL seen_slash = FALSE;
path += 2;
/* Check for UNC root path */
while (*path)
{
if (*path == '\\')
{
if (seen_slash)
return FALSE;
seen_slash = TRUE;
}
path++;
}
return TRUE;
}
}
else if (path[1] == ':' && path[2] == '\\' && path[3] == '\0')
return TRUE; /* X:\ */
return FALSE;
}
BOOL WINAPI PathRemoveFileSpecA(char *path)
{
char *filespec = path;
BOOL modified = FALSE;
TRACE("%s\n", wine_dbgstr_a(path));
if (!path)
return FALSE;
/* Skip directory or UNC path */
if (*path == '\\')
filespec = ++path;
if (*path == '\\')
filespec = ++path;
while (*path)
{
if (*path == '\\')
filespec = path; /* Skip dir */
else if (*path == ':')
{
filespec = ++path; /* Skip drive */
if (*path == '\\')
filespec++;
}
if (!(path = char_next(path)))
break;
}
if (*filespec)
{
*filespec = '\0';
modified = TRUE;
}
return modified;
}
BOOL WINAPI PathRemoveFileSpecW(WCHAR *path)
{
WCHAR *filespec = path;
BOOL modified = FALSE;
TRACE("%s\n", wine_dbgstr_w(path));
if (!path)
return FALSE;
/* Skip directory or UNC path */
if (*path == '\\')
filespec = ++path;
if (*path == '\\')
filespec = ++path;
while (*path)
{
if (*path == '\\')
filespec = path; /* Skip dir */
else if (*path == ':')
{
filespec = ++path; /* Skip drive */
if (*path == '\\')
filespec++;
}
path++;
}
if (*filespec)
{
*filespec = '\0';
modified = TRUE;
}
return modified;
}
BOOL WINAPI PathStripToRootA(char *path)
{
TRACE("%s\n", wine_dbgstr_a(path));
if (!path)
return FALSE;
while (!PathIsRootA(path))
if (!PathRemoveFileSpecA(path))
return FALSE;
return TRUE;
}
BOOL WINAPI PathStripToRootW(WCHAR *path)
{
TRACE("%s\n", wine_dbgstr_w(path));
if (!path)
return FALSE;
while (!PathIsRootW(path))
if (!PathRemoveFileSpecW(path))
return FALSE;
return TRUE;
}
LPSTR WINAPI PathAddBackslashA(char *path)
{
unsigned int len;
char *prev = path;
TRACE("%s\n", wine_dbgstr_a(path));
if (!path || (len = strlen(path)) >= MAX_PATH)
return NULL;
if (len)
{
do
{
path = char_next(prev);
if (*path)
prev = path;
} while (*path);
if (*prev != '\\')
{
*path++ = '\\';
*path = '\0';
}
}
return path;
}
LPWSTR WINAPI PathAddBackslashW(WCHAR *path)
{
unsigned int len;
TRACE("%s\n", wine_dbgstr_w(path));
if (!path || (len = strlenW(path)) >= MAX_PATH)
return NULL;
if (len)
{
path += len;
if (path[-1] != '\\')
{
*path++ = '\\';
*path = '\0';
}
}
return path;
}
LPSTR WINAPI PathFindExtensionA(const char *path)
{
const char *lastpoint = NULL;
TRACE("%s\n", wine_dbgstr_a(path));
if (path)
{
while (*path)
{
if (*path == '\\' || *path == ' ')
lastpoint = NULL;
else if (*path == '.')
lastpoint = path;
path = char_next(path);
}
}
return (LPSTR)(lastpoint ? lastpoint : path);
}
LPWSTR WINAPI PathFindExtensionW(const WCHAR *path)
{
const WCHAR *lastpoint = NULL;
TRACE("%s\n", wine_dbgstr_w(path));
if (path)
{
while (*path)
{
if (*path == '\\' || *path == ' ')
lastpoint = NULL;
else if (*path == '.')
lastpoint = path;
path++;
}
}
return (LPWSTR)(lastpoint ? lastpoint : path);
}
BOOL WINAPI PathAddExtensionA(char *path, const char *ext)
{
unsigned int len;
TRACE("%s, %s\n", wine_dbgstr_a(path), wine_dbgstr_a(ext));
if (!path || !ext || *(PathFindExtensionA(path)))
return FALSE;
len = strlen(path);
if (len + strlen(ext) >= MAX_PATH)
return FALSE;
strcpy(path + len, ext);
return TRUE;
}
BOOL WINAPI PathAddExtensionW(WCHAR *path, const WCHAR *ext)
{
unsigned int len;
TRACE("%s, %s\n", wine_dbgstr_w(path), wine_dbgstr_w(ext));
if (!path || !ext || *(PathFindExtensionW(path)))
return FALSE;
len = strlenW(path);
if (len + strlenW(ext) >= MAX_PATH)
return FALSE;
strcpyW(path + len, ext);
return TRUE;
}
BOOL WINAPI PathCanonicalizeW(WCHAR *buffer, const WCHAR *path)
{
const WCHAR *src = path;
WCHAR *dst = buffer;
TRACE("%p, %s\n", buffer, wine_dbgstr_w(path));
if (dst)
*dst = '\0';
if (!dst || !path)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (!*path)
{
*buffer++ = '\\';
*buffer = '\0';
return TRUE;
}
/* Copy path root */
if (*src == '\\')
{
*dst++ = *src++;
}
else if (*src && src[1] == ':')
{
/* X:\ */
*dst++ = *src++;
*dst++ = *src++;
if (*src == '\\')
*dst++ = *src++;
}
/* Canonicalize the rest of the path */
while (*src)
{
if (*src == '.')
{
if (src[1] == '\\' && (src == path || src[-1] == '\\' || src[-1] == ':'))
{
src += 2; /* Skip .\ */
}
else if (src[1] == '.' && (dst == buffer || dst[-1] == '\\'))
{
/* \.. backs up a directory, over the root if it has no \ following X:.
* .. is ignored if it would remove a UNC server name or initial \\
*/
if (dst != buffer)
{
*dst = '\0'; /* Allow PathIsUNCServerShareA test on lpszBuf */
if (dst > buffer + 1 && dst[-1] == '\\' && (dst[-2] != '\\' || dst > buffer + 2))
{
if (dst[-2] == ':' && (dst > buffer + 3 || dst[-3] == ':'))
{
dst -= 2;
while (dst > buffer && *dst != '\\')
dst--;
if (*dst == '\\')
dst++; /* Reset to last '\' */
else
dst = buffer; /* Start path again from new root */
}
else if (dst[-2] != ':' && !PathIsUNCServerShareW(buffer))
dst -= 2;
}
while (dst > buffer && *dst != '\\')
dst--;
if (dst == buffer)
{
*dst++ = '\\';
src++;
}
}
src += 2; /* Skip .. in src path */
}
else
*dst++ = *src++;
}
else
*dst++ = *src++;
}
/* Append \ to naked drive specs */
if (dst - buffer == 2 && dst[-1] == ':')
*dst++ = '\\';
*dst++ = '\0';
return TRUE;
}
BOOL WINAPI PathCanonicalizeA(char *buffer, const char *path)
{
WCHAR pathW[MAX_PATH], bufferW[MAX_PATH];
BOOL ret;
int len;
TRACE("%p, %s\n", buffer, wine_dbgstr_a(path));
if (buffer)
*buffer = '\0';
if (!buffer || !path)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
len = MultiByteToWideChar(CP_ACP, 0, path, -1, pathW, ARRAY_SIZE(pathW));
if (!len)
return FALSE;
ret = PathCanonicalizeW(bufferW, pathW);
WideCharToMultiByte(CP_ACP, 0, bufferW, -1, buffer, MAX_PATH, 0, 0);
return ret;
}
WCHAR * WINAPI PathCombineW(WCHAR *dst, const WCHAR *dir, const WCHAR *file)
{
BOOL use_both = FALSE, strip = FALSE;
WCHAR tmp[MAX_PATH];
TRACE("%p, %s, %s\n", dst, wine_dbgstr_w(dir), wine_dbgstr_w(file));
/* Invalid parameters */
if (!dst)
return NULL;
if (!dir && !file)
{
dst[0] = 0;
return NULL;
}
if ((!file || !*file) && dir)
{
/* Use dir only */
lstrcpynW(tmp, dir, ARRAY_SIZE(tmp));
}
else if (!dir || !*dir || !PathIsRelativeW(file))
{
if (!dir || !*dir || *file != '\\' || PathIsUNCW(file))
{
/* Use file only */
lstrcpynW(tmp, file, ARRAY_SIZE(tmp));
}
else
{
use_both = TRUE;
strip = TRUE;
}
}
else
use_both = TRUE;
if (use_both)
{
lstrcpynW(tmp, dir, ARRAY_SIZE(tmp));
if (strip)
{
PathStripToRootW(tmp);
file++; /* Skip '\' */
}
if (!PathAddBackslashW(tmp) || strlenW(tmp) + strlenW(file) >= MAX_PATH)
{
dst[0] = 0;
return NULL;
}
strcatW(tmp, file);
}
PathCanonicalizeW(dst, tmp);
return dst;
}
LPSTR WINAPI PathCombineA(char *dst, const char *dir, const char *file)
{
WCHAR dstW[MAX_PATH], dirW[MAX_PATH], fileW[MAX_PATH];
TRACE("%p, %s, %s\n", dst, wine_dbgstr_a(dir), wine_dbgstr_a(file));
/* Invalid parameters */
if (!dst)
return NULL;
dst[0] = 0;
if (!dir && !file)
return NULL;
if (dir && !MultiByteToWideChar(CP_ACP, 0, dir, -1, dirW, ARRAY_SIZE(dirW)))
return NULL;
if (file && !MultiByteToWideChar(CP_ACP, 0, file, -1, fileW, ARRAY_SIZE(fileW)))
return NULL;
if (PathCombineW(dstW, dir ? dirW : NULL, file ? fileW : NULL))
if (WideCharToMultiByte(CP_ACP, 0, dstW, -1, dst, MAX_PATH, 0, 0))
return dst;
return NULL;
}
BOOL WINAPI PathAppendA(char *path, const char *append)
{
TRACE("%s, %s\n", wine_dbgstr_a(path), wine_dbgstr_a(append));
if (path && append)
{
if (!PathIsUNCA(append))
while (*append == '\\')
append++;
if (PathCombineA(path, path, append))
return TRUE;
}
return FALSE;
}
BOOL WINAPI PathAppendW(WCHAR *path, const WCHAR *append)
{
TRACE("%s, %s\n", wine_dbgstr_w(path), wine_dbgstr_w(append));
if (path && append)
{
if (!PathIsUNCW(append))
while (*append == '\\')
append++;
if (PathCombineW(path, path, append))
return TRUE;
}
return FALSE;
}
int WINAPI PathCommonPrefixA(const char *file1, const char *file2, char *path)
{
const char *iter1 = file1;
const char *iter2 = file2;
unsigned int len = 0;
TRACE("%s, %s, %p.\n", wine_dbgstr_a(file1), wine_dbgstr_a(file2), path);
if (path)
*path = '\0';
if (!file1 || !file2)
return 0;
/* Handle roots first */
if (PathIsUNCA(file1))
{
if (!PathIsUNCA(file2))
return 0;
iter1 += 2;
iter2 += 2;
}
else if (PathIsUNCA(file2))
return 0;
for (;;)
{
/* Update len */
if ((!*iter1 || *iter1 == '\\') && (!*iter2 || *iter2 == '\\'))
len = iter1 - file1; /* Common to this point */
if (!*iter1 || (tolower(*iter1) != tolower(*iter2)))
break; /* Strings differ at this point */
iter1++;
iter2++;
}
if (len == 2)
len++; /* Feature/Bug compatible with Win32 */
if (len && path)
{
memcpy(path, file1, len);
path[len] = '\0';
}
return len;
}
int WINAPI PathCommonPrefixW(const WCHAR *file1, const WCHAR *file2, WCHAR *path)
{
const WCHAR *iter1 = file1;
const WCHAR *iter2 = file2;
unsigned int len = 0;
TRACE("%s, %s, %p\n", wine_dbgstr_w(file1), wine_dbgstr_w(file2), path);
if (path)
*path = '\0';
if (!file1 || !file2)
return 0;
/* Handle roots first */
if (PathIsUNCW(file1))
{
if (!PathIsUNCW(file2))
return 0;
iter1 += 2;
iter2 += 2;
}
else if (PathIsUNCW(file2))
return 0;
for (;;)
{
/* Update len */
if ((!*iter1 || *iter1 == '\\') && (!*iter2 || *iter2 == '\\'))
len = iter1 - file1; /* Common to this point */
if (!*iter1 || (tolowerW(*iter1) != tolowerW(*iter2)))
break; /* Strings differ at this point */
iter1++;
iter2++;
}
if (len == 2)
len++; /* Feature/Bug compatible with Win32 */
if (len && path)
{
memcpy(path, file1, len * sizeof(WCHAR));
path[len] = '\0';
}
return len;
}
BOOL WINAPI PathIsPrefixA(const char *prefix, const char *path)
{
TRACE("%s, %s\n", wine_dbgstr_a(prefix), wine_dbgstr_a(path));
return prefix && path && PathCommonPrefixA(path, prefix, NULL) == (int)strlen(prefix);
}
BOOL WINAPI PathIsPrefixW(const WCHAR *prefix, const WCHAR *path)
{
TRACE("%s, %s\n", wine_dbgstr_w(prefix), wine_dbgstr_w(path));
return prefix && path && PathCommonPrefixW(path, prefix, NULL) == (int)strlenW(prefix);
}
char * WINAPI PathFindFileNameA(const char *path)
{
const char *last_slash = path;
TRACE("%s\n", wine_dbgstr_a(path));
while (path && *path)
{
if ((*path == '\\' || *path == '/' || *path == ':') &&
path[1] && path[1] != '\\' && path[1] != '/')
last_slash = path + 1;
path = char_next(path);
}
return (char *)last_slash;
}
WCHAR * WINAPI PathFindFileNameW(const WCHAR *path)
{
const WCHAR *last_slash = path;
TRACE("%s\n", wine_dbgstr_w(path));
while (path && *path)
{
if ((*path == '\\' || *path == '/' || *path == ':') &&
path[1] && path[1] != '\\' && path[1] != '/')
last_slash = path + 1;
path++;
}
return (WCHAR *)last_slash;
}
char * WINAPI PathGetArgsA(const char *path)
{
BOOL seen_quote = FALSE;
TRACE("%s\n", wine_dbgstr_a(path));
if (!path)
return NULL;
while (*path)
{
if (*path == ' ' && !seen_quote)
return (char *)path + 1;
if (*path == '"')
seen_quote = !seen_quote;
path = char_next(path);
}
return (char *)path;
}
WCHAR * WINAPI PathGetArgsW(const WCHAR *path)
{
BOOL seen_quote = FALSE;
TRACE("%s\n", wine_dbgstr_w(path));
if (!path)
return NULL;
while (*path)
{
if (*path == ' ' && !seen_quote)
return (WCHAR *)path + 1;
if (*path == '"')
seen_quote = !seen_quote;
path++;
}
return (WCHAR *)path;
}
UINT WINAPI PathGetCharTypeW(WCHAR ch)
{
UINT flags = 0;
TRACE("%#x\n", ch);
if (!ch || ch < ' ' || ch == '<' || ch == '>' || ch == '"' || ch == '|' || ch == '/')
flags = GCT_INVALID; /* Invalid */
else if (ch == '*' || ch == '?')
flags = GCT_WILD; /* Wildchars */
else if (ch == '\\' || ch == ':')
return GCT_SEPARATOR; /* Path separators */
else
{
if (ch < 126)
{
if (((ch & 0x1) && ch != ';') || !ch || isalnum(ch) || ch == '$' || ch == '&' || ch == '(' ||
ch == '.' || ch == '@' || ch == '^' || ch == '\'' || ch == 130 || ch == '`')
{
flags |= GCT_SHORTCHAR; /* All these are valid for DOS */
}
}
else
flags |= GCT_SHORTCHAR; /* Bug compatible with win32 */
flags |= GCT_LFNCHAR; /* Valid for long file names */
}
return flags;
}
UINT WINAPI PathGetCharTypeA(UCHAR ch)
{
return PathGetCharTypeW(ch);
}
int WINAPI PathGetDriveNumberA(const char *path)
{
TRACE("%s\n", wine_dbgstr_a(path));
if (path && !IsDBCSLeadByte(*path) && path[1] == ':' && tolower(*path) >= 'a' && tolower(*path) <= 'z')
return tolower(*path) - 'a';
return -1;
}
int WINAPI PathGetDriveNumberW(const WCHAR *path)
{
static const WCHAR nt_prefixW[] = {'\\','\\','?','\\'};
WCHAR drive;
TRACE("%s\n", wine_dbgstr_w(path));
if (!path)
return -1;
if (!strncmpW(path, nt_prefixW, 4))
path += 4;
drive = tolowerW(path[0]);
if (drive < 'a' || drive > 'z' || path[1] != ':')
return -1;
return drive - 'a';
}
BOOL WINAPI PathIsFileSpecA(const char *path)
{
TRACE("%s\n", wine_dbgstr_a(path));
if (!path)
return FALSE;
while (*path)
{
if (*path == '\\' || *path == ':')
return FALSE;
path = char_next(path);
}
return TRUE;
}
BOOL WINAPI PathIsFileSpecW(const WCHAR *path)
{
TRACE("%s\n", wine_dbgstr_w(path));
if (!path)
return FALSE;
while (*path)
{
if (*path == '\\' || *path == ':')
return FALSE;
path++;
}
return TRUE;
}
BOOL WINAPI PathIsUNCServerA(const char *path)
{
TRACE("%s\n", wine_dbgstr_a(path));
if (!(path && path[0] == '\\' && path[1] == '\\'))
return FALSE;
while (*path)
{
if (*path == '\\')
return FALSE;
path = char_next(path);
}
return TRUE;
}
BOOL WINAPI PathIsUNCServerW(const WCHAR *path)
{
TRACE("%s\n", wine_dbgstr_w(path));
if (!(path && path[0] == '\\' && path[1] == '\\'))
return FALSE;
return !strchrW(path + 2, '\\');
}
void WINAPI PathRemoveBlanksA(char *path)
{
char *start;
TRACE("%s\n", wine_dbgstr_a(path));
if (!path || !*path)
return;
start = path;
while (*path == ' ')
path = char_next(path);
while (*path)
*start++ = *path++;
if (start != path)
while (start[-1] == ' ')
start--;
*start = '\0';
}
void WINAPI PathRemoveBlanksW(WCHAR *path)
{
WCHAR *start = path;
TRACE("%s\n", wine_dbgstr_w(path));
if (!path || !*path)
return;
while (*path == ' ')
path++;
while (*path)
*start++ = *path++;
if (start != path)
while (start[-1] == ' ')
start--;
*start = '\0';
}
void WINAPI PathRemoveExtensionA(char *path)
{
TRACE("%s\n", wine_dbgstr_a(path));
if (!path)
return;
path = PathFindExtensionA(path);
if (path && !*path)
*path = '\0';
}
void WINAPI PathRemoveExtensionW(WCHAR *path)
{
TRACE("%s\n", wine_dbgstr_w(path));
if (!path)
return;
path = PathFindExtensionW(path);
if (path && !*path)
*path = '\0';
}
BOOL WINAPI PathRenameExtensionA(char *path, const char *ext)
{
char *extension;
TRACE("%s, %s\n", wine_dbgstr_a(path), wine_dbgstr_a(ext));
extension = PathFindExtensionA(path);
if (!extension || (extension - path + strlen(ext) >= MAX_PATH))
return FALSE;
strcpy(extension, ext);
return TRUE;
}
BOOL WINAPI PathRenameExtensionW(WCHAR *path, const WCHAR *ext)
{
WCHAR *extension;
TRACE("%s, %s\n", wine_dbgstr_w(path), wine_dbgstr_w(ext));
extension = PathFindExtensionW(path);
if (!extension || (extension - path + strlenW(ext) >= MAX_PATH))
return FALSE;
strcpyW(extension, ext);
return TRUE;
}
void WINAPI PathUnquoteSpacesA(char *path)
{
unsigned int len;
TRACE("%s\n", wine_dbgstr_a(path));
if (!path || *path != '"')
return;
len = strlen(path) - 1;
if (path[len] == '"')
{
path[len] = '\0';
for (; *path; path++)
*path = path[1];
}
}
void WINAPI PathUnquoteSpacesW(WCHAR *path)
{
unsigned int len;
TRACE("%s\n", wine_dbgstr_w(path));
if (!path || *path != '"')
return;
len = strlenW(path) - 1;
if (path[len] == '"')
{
path[len] = '\0';
for (; *path; path++)
*path = path[1];
}
}
char * WINAPI PathRemoveBackslashA(char *path)
{
char *ptr;
TRACE("%s\n", wine_dbgstr_a(path));
if (!path)
return NULL;
ptr = char_prev(path, path + strlen(path));
if (!PathIsRootA(path) && *ptr == '\\')
*ptr = '\0';
return ptr;
}
WCHAR * WINAPI PathRemoveBackslashW(WCHAR *path)
{
WCHAR *ptr;
TRACE("%s\n", wine_dbgstr_w(path));
if (!path)
return NULL;
ptr = path + strlenW(path);
if (ptr > path) ptr--;
if (!PathIsRootW(path) && *ptr == '\\')
*ptr = '\0';
return ptr;
}
BOOL WINAPI PathIsLFNFileSpecA(const char *path)
{
unsigned int name_len = 0, ext_len = 0;
TRACE("%s\n", wine_dbgstr_a(path));
if (!path)
return FALSE;
while (*path)
{
if (*path == ' ')
return TRUE; /* DOS names cannot have spaces */
if (*path == '.')
{
if (ext_len)
return TRUE; /* DOS names have only one dot */
ext_len = 1;
}
else if (ext_len)
{
ext_len++;
if (ext_len > 4)
return TRUE; /* DOS extensions are <= 3 chars*/
}
else
{
name_len++;
if (name_len > 8)
return TRUE; /* DOS names are <= 8 chars */
}
path = char_next(path);
}
return FALSE; /* Valid DOS path */
}
BOOL WINAPI PathIsLFNFileSpecW(const WCHAR *path)
{
unsigned int name_len = 0, ext_len = 0;
TRACE("%s\n", wine_dbgstr_w(path));
if (!path)
return FALSE;
while (*path)
{
if (*path == ' ')
return TRUE; /* DOS names cannot have spaces */
if (*path == '.')
{
if (ext_len)
return TRUE; /* DOS names have only one dot */
ext_len = 1;
}
else if (ext_len)
{
ext_len++;
if (ext_len > 4)
return TRUE; /* DOS extensions are <= 3 chars*/
}
else
{
name_len++;
if (name_len > 8)
return TRUE; /* DOS names are <= 8 chars */
}
path++;
}
return FALSE; /* Valid DOS path */
}
#define PATH_CHAR_CLASS_LETTER 0x00000001
#define PATH_CHAR_CLASS_ASTERIX 0x00000002
#define PATH_CHAR_CLASS_DOT 0x00000004
#define PATH_CHAR_CLASS_BACKSLASH 0x00000008
#define PATH_CHAR_CLASS_COLON 0x00000010
#define PATH_CHAR_CLASS_SEMICOLON 0x00000020
#define PATH_CHAR_CLASS_COMMA 0x00000040
#define PATH_CHAR_CLASS_SPACE 0x00000080
#define PATH_CHAR_CLASS_OTHER_VALID 0x00000100
#define PATH_CHAR_CLASS_DOUBLEQUOTE 0x00000200
#define PATH_CHAR_CLASS_INVALID 0x00000000
#define PATH_CHAR_CLASS_ANY 0xffffffff
static const DWORD path_charclass[] =
{
/* 0x00 */ PATH_CHAR_CLASS_INVALID, /* 0x01 */ PATH_CHAR_CLASS_INVALID,
/* 0x02 */ PATH_CHAR_CLASS_INVALID, /* 0x03 */ PATH_CHAR_CLASS_INVALID,
/* 0x04 */ PATH_CHAR_CLASS_INVALID, /* 0x05 */ PATH_CHAR_CLASS_INVALID,
/* 0x06 */ PATH_CHAR_CLASS_INVALID, /* 0x07 */ PATH_CHAR_CLASS_INVALID,
/* 0x08 */ PATH_CHAR_CLASS_INVALID, /* 0x09 */ PATH_CHAR_CLASS_INVALID,
/* 0x0a */ PATH_CHAR_CLASS_INVALID, /* 0x0b */ PATH_CHAR_CLASS_INVALID,
/* 0x0c */ PATH_CHAR_CLASS_INVALID, /* 0x0d */ PATH_CHAR_CLASS_INVALID,
/* 0x0e */ PATH_CHAR_CLASS_INVALID, /* 0x0f */ PATH_CHAR_CLASS_INVALID,
/* 0x10 */ PATH_CHAR_CLASS_INVALID, /* 0x11 */ PATH_CHAR_CLASS_INVALID,
/* 0x12 */ PATH_CHAR_CLASS_INVALID, /* 0x13 */ PATH_CHAR_CLASS_INVALID,
/* 0x14 */ PATH_CHAR_CLASS_INVALID, /* 0x15 */ PATH_CHAR_CLASS_INVALID,
/* 0x16 */ PATH_CHAR_CLASS_INVALID, /* 0x17 */ PATH_CHAR_CLASS_INVALID,
/* 0x18 */ PATH_CHAR_CLASS_INVALID, /* 0x19 */ PATH_CHAR_CLASS_INVALID,
/* 0x1a */ PATH_CHAR_CLASS_INVALID, /* 0x1b */ PATH_CHAR_CLASS_INVALID,
/* 0x1c */ PATH_CHAR_CLASS_INVALID, /* 0x1d */ PATH_CHAR_CLASS_INVALID,
/* 0x1e */ PATH_CHAR_CLASS_INVALID, /* 0x1f */ PATH_CHAR_CLASS_INVALID,
/* ' ' */ PATH_CHAR_CLASS_SPACE, /* '!' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '"' */ PATH_CHAR_CLASS_DOUBLEQUOTE, /* '#' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '$' */ PATH_CHAR_CLASS_OTHER_VALID, /* '%' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '&' */ PATH_CHAR_CLASS_OTHER_VALID, /* '\'' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '(' */ PATH_CHAR_CLASS_OTHER_VALID, /* ')' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '*' */ PATH_CHAR_CLASS_ASTERIX, /* '+' */ PATH_CHAR_CLASS_OTHER_VALID,
/* ',' */ PATH_CHAR_CLASS_COMMA, /* '-' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '.' */ PATH_CHAR_CLASS_DOT, /* '/' */ PATH_CHAR_CLASS_INVALID,
/* '0' */ PATH_CHAR_CLASS_OTHER_VALID, /* '1' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '2' */ PATH_CHAR_CLASS_OTHER_VALID, /* '3' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '4' */ PATH_CHAR_CLASS_OTHER_VALID, /* '5' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '6' */ PATH_CHAR_CLASS_OTHER_VALID, /* '7' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '8' */ PATH_CHAR_CLASS_OTHER_VALID, /* '9' */ PATH_CHAR_CLASS_OTHER_VALID,
/* ':' */ PATH_CHAR_CLASS_COLON, /* ';' */ PATH_CHAR_CLASS_SEMICOLON,
/* '<' */ PATH_CHAR_CLASS_INVALID, /* '=' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '>' */ PATH_CHAR_CLASS_INVALID, /* '?' */ PATH_CHAR_CLASS_LETTER,
/* '@' */ PATH_CHAR_CLASS_OTHER_VALID, /* 'A' */ PATH_CHAR_CLASS_ANY,
/* 'B' */ PATH_CHAR_CLASS_ANY, /* 'C' */ PATH_CHAR_CLASS_ANY,
/* 'D' */ PATH_CHAR_CLASS_ANY, /* 'E' */ PATH_CHAR_CLASS_ANY,
/* 'F' */ PATH_CHAR_CLASS_ANY, /* 'G' */ PATH_CHAR_CLASS_ANY,
/* 'H' */ PATH_CHAR_CLASS_ANY, /* 'I' */ PATH_CHAR_CLASS_ANY,
/* 'J' */ PATH_CHAR_CLASS_ANY, /* 'K' */ PATH_CHAR_CLASS_ANY,
/* 'L' */ PATH_CHAR_CLASS_ANY, /* 'M' */ PATH_CHAR_CLASS_ANY,
/* 'N' */ PATH_CHAR_CLASS_ANY, /* 'O' */ PATH_CHAR_CLASS_ANY,
/* 'P' */ PATH_CHAR_CLASS_ANY, /* 'Q' */ PATH_CHAR_CLASS_ANY,
/* 'R' */ PATH_CHAR_CLASS_ANY, /* 'S' */ PATH_CHAR_CLASS_ANY,
/* 'T' */ PATH_CHAR_CLASS_ANY, /* 'U' */ PATH_CHAR_CLASS_ANY,
/* 'V' */ PATH_CHAR_CLASS_ANY, /* 'W' */ PATH_CHAR_CLASS_ANY,
/* 'X' */ PATH_CHAR_CLASS_ANY, /* 'Y' */ PATH_CHAR_CLASS_ANY,
/* 'Z' */ PATH_CHAR_CLASS_ANY, /* '[' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '\\' */ PATH_CHAR_CLASS_BACKSLASH, /* ']' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '^' */ PATH_CHAR_CLASS_OTHER_VALID, /* '_' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '`' */ PATH_CHAR_CLASS_OTHER_VALID, /* 'a' */ PATH_CHAR_CLASS_ANY,
/* 'b' */ PATH_CHAR_CLASS_ANY, /* 'c' */ PATH_CHAR_CLASS_ANY,
/* 'd' */ PATH_CHAR_CLASS_ANY, /* 'e' */ PATH_CHAR_CLASS_ANY,
/* 'f' */ PATH_CHAR_CLASS_ANY, /* 'g' */ PATH_CHAR_CLASS_ANY,
/* 'h' */ PATH_CHAR_CLASS_ANY, /* 'i' */ PATH_CHAR_CLASS_ANY,
/* 'j' */ PATH_CHAR_CLASS_ANY, /* 'k' */ PATH_CHAR_CLASS_ANY,
/* 'l' */ PATH_CHAR_CLASS_ANY, /* 'm' */ PATH_CHAR_CLASS_ANY,
/* 'n' */ PATH_CHAR_CLASS_ANY, /* 'o' */ PATH_CHAR_CLASS_ANY,
/* 'p' */ PATH_CHAR_CLASS_ANY, /* 'q' */ PATH_CHAR_CLASS_ANY,
/* 'r' */ PATH_CHAR_CLASS_ANY, /* 's' */ PATH_CHAR_CLASS_ANY,
/* 't' */ PATH_CHAR_CLASS_ANY, /* 'u' */ PATH_CHAR_CLASS_ANY,
/* 'v' */ PATH_CHAR_CLASS_ANY, /* 'w' */ PATH_CHAR_CLASS_ANY,
/* 'x' */ PATH_CHAR_CLASS_ANY, /* 'y' */ PATH_CHAR_CLASS_ANY,
/* 'z' */ PATH_CHAR_CLASS_ANY, /* '{' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '|' */ PATH_CHAR_CLASS_INVALID, /* '}' */ PATH_CHAR_CLASS_OTHER_VALID,
/* '~' */ PATH_CHAR_CLASS_OTHER_VALID
};
BOOL WINAPI PathIsValidCharA(char c, DWORD class)
{
if ((unsigned)c > 0x7e)
return class & PATH_CHAR_CLASS_OTHER_VALID;
return class & path_charclass[(unsigned)c];
}
BOOL WINAPI PathIsValidCharW(WCHAR c, DWORD class)
{
if (c > 0x7e)
return class & PATH_CHAR_CLASS_OTHER_VALID;
return class & path_charclass[c];
}
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