682 lines
22 KiB
C
682 lines
22 KiB
C
/*
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* CMD - Wine-compatible command line interface - batch interface.
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*
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* Copyright (C) 1999 D A Pickles
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* Copyright (C) 2007 J Edmeades
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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 "wcmd.h"
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#include "wine/debug.h"
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extern struct env_stack *saved_environment;
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WINE_DEFAULT_DEBUG_CHANNEL(cmd);
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/****************************************************************************
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* WCMD_batch
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*
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* Open and execute a batch file.
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* On entry *command includes the complete command line beginning with the name
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* of the batch file (if a CALL command was entered the CALL has been removed).
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* *file is the name of the file, which might not exist and may not have the
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* .BAT suffix on. Called is 1 for a CALL, 0 otherwise.
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*
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* We need to handle recursion correctly, since one batch program might call another.
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* So parameters for this batch file are held in a BATCH_CONTEXT structure.
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*
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* To support call within the same batch program, another input parameter is
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* a label to goto once opened.
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*/
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void WCMD_batch (WCHAR *file, WCHAR *command, BOOL called, WCHAR *startLabel, HANDLE pgmHandle)
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{
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HANDLE h = INVALID_HANDLE_VALUE;
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BATCH_CONTEXT *prev_context;
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if (startLabel == NULL) {
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h = CreateFileW (file, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE,
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NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
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if (h == INVALID_HANDLE_VALUE) {
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SetLastError (ERROR_FILE_NOT_FOUND);
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WCMD_print_error ();
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return;
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}
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} else {
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DuplicateHandle(GetCurrentProcess(), pgmHandle,
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GetCurrentProcess(), &h,
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0, FALSE, DUPLICATE_SAME_ACCESS);
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}
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/*
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* Create a context structure for this batch file.
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*/
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prev_context = context;
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context = LocalAlloc (LMEM_FIXED, sizeof (BATCH_CONTEXT));
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context -> h = h;
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context->batchfileW = WCMD_strdupW(file);
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context -> command = command;
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memset(context -> shift_count, 0x00, sizeof(context -> shift_count));
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context -> prev_context = prev_context;
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context -> skip_rest = FALSE;
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/* If processing a call :label, 'goto' the label in question */
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if (startLabel) {
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strcpyW(param1, startLabel);
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WCMD_goto(NULL);
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}
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/*
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* Work through the file line by line. Specific batch commands are processed here,
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* the rest are handled by the main command processor.
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*/
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while (context -> skip_rest == FALSE) {
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CMD_LIST *toExecute = NULL; /* Commands left to be executed */
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if (!WCMD_ReadAndParseLine(NULL, &toExecute, h))
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break;
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/* Note: although this batch program itself may be called, we are not retrying
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the command as a result of a call failing to find a program, hence the
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retryCall parameter below is FALSE */
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WCMD_process_commands(toExecute, FALSE, NULL, NULL, FALSE);
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WCMD_free_commands(toExecute);
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toExecute = NULL;
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}
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CloseHandle (h);
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/*
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* If there are outstanding setlocal's to the current context, unwind them.
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*/
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while (saved_environment && saved_environment->batchhandle == context->h) {
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WCMD_endlocal();
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}
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/*
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* If invoked by a CALL, we return to the context of our caller. Otherwise return
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* to the caller's caller.
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*/
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HeapFree(GetProcessHeap(), 0, context->batchfileW);
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LocalFree (context);
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if ((prev_context != NULL) && (!called)) {
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prev_context -> skip_rest = TRUE;
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context = prev_context;
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}
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context = prev_context;
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}
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/*******************************************************************
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* WCMD_parameter
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*
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* Extracts a delimited parameter from an input string
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*
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* PARAMS
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* s [I] input string, non NULL
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* n [I] # of the parameter to return, counted from 0
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* start [O] Optional. Pointer to the first char of param n in s
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* end [O] Optional. Pointer to the last char of param n in s
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* raw [I] True to return the parameter in raw format (quotes maintained)
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* False returns the parameter with quotes stripped
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* wholecmdline [I] True to indicate this routine is being used to parse the
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* command line, and special logic for arg0->1 transition
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* needs to be applied.
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*
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* RETURNS
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* Success: The nth delimited parameter found in s
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* if start != NULL, *start points to the start of the param
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* if end != NULL, *end points to the end of the param
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* Failure: An empty string if the param is not found.
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* *start == *end == NULL
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*
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* NOTES
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* Return value is stored in static storage (i.e. overwritten after each call).
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* Specify 'start' and/or 'end' to include delimiting double quotes as well, if any.
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* By default, the parameter is returned with quotes removed, ready for use with
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* other API calls, e.g. c:\"a b"\c is returned as c:\a b\c. However, some commands
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* need to preserve the exact syntax (echo, for, etc) hence the raw option.
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*/
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WCHAR *WCMD_parameter (WCHAR *s, int n, WCHAR **start, WCHAR **end, BOOL raw,
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BOOL wholecmdline)
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{
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static const WCHAR defaultDelims[] = { ' ', '\t', ',', '=', ';', '\0' };
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int curParamNb = 0;
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static WCHAR param[MAX_PATH];
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WCHAR *p = s, *begin;
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if (start != NULL) *start = NULL;
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if (end != NULL) *end = NULL;
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param[0] = '\0';
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while (TRUE) {
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/* Absorb repeated word delimiters until we get to the next token (or the end!) */
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while (*p && (strchrW(defaultDelims, *p) != NULL))
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p++;
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if (*p == '\0') return param;
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/* If we have reached the token number we want, remember the beginning of it */
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if (start != NULL && curParamNb == n) *start = p;
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/* Return the whole word up to the next delimiter, handling quotes in the middle
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of it, e.g. a"\b c\"d is a single parameter. */
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begin = p;
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/* Loop character by character, but just need to special case quotes */
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while (*p) {
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/* Once we have found a delimiter, break */
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if (strchrW(defaultDelims, *p) != NULL) break;
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/* Very odd special case - Seems as if a ( acts as a delimiter which is
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not swallowed but is effective only when it comes between the program
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name and the parameters. Need to avoid this triggering when used
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to walk parameters generally. */
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if (wholecmdline && curParamNb == 0 && *p=='(') break;
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/* If we find a quote, copy until we get the end quote */
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if (*p == '"') {
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p++;
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while (*p && *p != '"') p++;
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}
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/* Now skip the character / quote */
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if (*p) p++;
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}
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if (curParamNb == n) {
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/* Return the parameter in static storage either as-is (raw) or
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suitable for use with other win32 api calls (quotes stripped) */
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if (raw) {
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memcpy(param, begin, (p - begin) * sizeof(WCHAR));
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param[p-begin] = '\0';
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} else {
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int i=0;
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while (begin < p) {
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if (*begin != '"') param[i++] = *begin;
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begin++;
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}
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param[i] = '\0';
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}
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if (end) *end = p - 1;
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return param;
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}
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curParamNb++;
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}
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}
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/****************************************************************************
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* WCMD_fgets
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*
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* Gets one line from a file/console and puts it into buffer buf
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* Pre: buf has size noChars
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* 1 <= noChars <= MAXSTRING
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* Post: buf is filled with at most noChars-1 characters, and gets nul-terminated
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buf does not include EOL terminator
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* Returns:
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* buf on success
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* NULL on error or EOF
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*/
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WCHAR *WCMD_fgets(WCHAR *buf, DWORD noChars, HANDLE h)
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{
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DWORD charsRead;
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BOOL status;
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LARGE_INTEGER filepos;
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DWORD i;
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/* We can't use the native f* functions because of the filename syntax differences
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between DOS and Unix. Also need to lose the LF (or CRLF) from the line. */
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if (!WCMD_is_console_handle(h)) {
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/* Save current file position */
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filepos.QuadPart = 0;
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SetFilePointerEx(h, filepos, &filepos, FILE_CURRENT);
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}
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status = WCMD_ReadFile(h, buf, noChars, &charsRead);
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if (!status || charsRead == 0) return NULL;
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/* Find first EOL */
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for (i = 0; i < charsRead; i++) {
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if (buf[i] == '\n' || buf[i] == '\r')
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break;
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}
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if (!WCMD_is_console_handle(h) && i != charsRead) {
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/* Sets file pointer to the start of the next line, if any */
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filepos.QuadPart += i + 1 + (buf[i] == '\r' ? 1 : 0);
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SetFilePointerEx(h, filepos, NULL, FILE_BEGIN);
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}
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/* Truncate at EOL (or end of buffer) */
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if (i == noChars)
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i--;
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buf[i] = '\0';
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return buf;
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}
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/* WCMD_splitpath - copied from winefile as no obvious way to use it otherwise */
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void WCMD_splitpath(const WCHAR* path, WCHAR* drv, WCHAR* dir, WCHAR* name, WCHAR* ext)
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{
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const WCHAR* end; /* end of processed string */
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const WCHAR* p; /* search pointer */
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const WCHAR* s; /* copy pointer */
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/* extract drive name */
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if (path[0] && path[1]==':') {
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if (drv) {
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*drv++ = *path++;
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*drv++ = *path++;
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*drv = '\0';
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}
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} else if (drv)
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*drv = '\0';
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end = path + strlenW(path);
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/* search for begin of file extension */
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for(p=end; p>path && *--p!='\\' && *p!='/'; )
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if (*p == '.') {
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end = p;
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break;
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}
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if (ext)
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for(s=end; (*ext=*s++); )
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ext++;
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/* search for end of directory name */
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for(p=end; p>path; )
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if (*--p=='\\' || *p=='/') {
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p++;
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break;
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}
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if (name) {
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for(s=p; s<end; )
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*name++ = *s++;
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*name = '\0';
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}
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if (dir) {
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for(s=path; s<p; )
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*dir++ = *s++;
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*dir = '\0';
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}
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}
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/****************************************************************************
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* WCMD_HandleTildaModifiers
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*
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* Handle the ~ modifiers when expanding %0-9 or (%a-z in for command)
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* %~xxxxxV (V=0-9 or A-Z)
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* Where xxxx is any combination of:
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* ~ - Removes quotes
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* f - Fully qualified path (assumes current dir if not drive\dir)
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* d - drive letter
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* p - path
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* n - filename
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* x - file extension
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* s - path with shortnames
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* a - attributes
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* t - date/time
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* z - size
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* $ENVVAR: - Searches ENVVAR for (contents of V) and expands to fully
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* qualified path
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*
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* To work out the length of the modifier:
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*
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* Note: In the case of %0-9 knowing the end of the modifier is easy,
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* but in a for loop, the for end WCHARacter may also be a modifier
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* eg. for %a in (c:\a.a) do echo XXX
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* where XXX = %~a (just ~)
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* %~aa (~ and attributes)
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* %~aaxa (~, attributes and extension)
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* BUT %~aax (~ and attributes followed by 'x')
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*
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* Hence search forwards until find an invalid modifier, and then
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* backwards until find for variable or 0-9
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*/
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void WCMD_HandleTildaModifiers(WCHAR **start, const WCHAR *forVariable,
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const WCHAR *forValue, BOOL justFors) {
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#define NUMMODIFIERS 11
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static const WCHAR validmodifiers[NUMMODIFIERS] = {
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'~', 'f', 'd', 'p', 'n', 'x', 's', 'a', 't', 'z', '$'
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};
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WIN32_FILE_ATTRIBUTE_DATA fileInfo;
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WCHAR outputparam[MAX_PATH];
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WCHAR finaloutput[MAX_PATH];
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WCHAR fullfilename[MAX_PATH];
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WCHAR thisoutput[MAX_PATH];
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WCHAR *pos = *start+1;
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WCHAR *firstModifier = pos;
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WCHAR *lastModifier = NULL;
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int modifierLen = 0;
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BOOL finished = FALSE;
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int i = 0;
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BOOL exists = TRUE;
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BOOL skipFileParsing = FALSE;
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BOOL doneModifier = FALSE;
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/* Search forwards until find invalid character modifier */
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while (!finished) {
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/* Work on the previous character */
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if (lastModifier != NULL) {
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for (i=0; i<NUMMODIFIERS; i++) {
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if (validmodifiers[i] == *lastModifier) {
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/* Special case '$' to skip until : found */
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if (*lastModifier == '$') {
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while (*pos != ':' && *pos) pos++;
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if (*pos == 0x00) return; /* Invalid syntax */
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pos++; /* Skip ':' */
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}
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break;
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}
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}
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if (i==NUMMODIFIERS) {
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finished = TRUE;
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}
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}
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/* Save this one away */
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if (!finished) {
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lastModifier = pos;
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pos++;
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}
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}
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while (lastModifier > firstModifier) {
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WINE_TRACE("Looking backwards for parameter id: %s / %s\n",
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wine_dbgstr_w(lastModifier), wine_dbgstr_w(forVariable));
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if (!justFors && context && (*lastModifier >= '0' && *lastModifier <= '9')) {
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/* Its a valid parameter identifier - OK */
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break;
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} else if (forVariable && *lastModifier == *(forVariable+1)) {
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/* Its a valid parameter identifier - OK */
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break;
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} else {
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lastModifier--;
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}
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}
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if (lastModifier == firstModifier) return; /* Invalid syntax */
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/* Extract the parameter to play with */
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if (*lastModifier == '0') {
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strcpyW(outputparam, context->batchfileW);
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} else if ((*lastModifier >= '1' && *lastModifier <= '9')) {
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strcpyW(outputparam,
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WCMD_parameter (context -> command,
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*lastModifier-'0' + context -> shift_count[*lastModifier-'0'],
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NULL, NULL, FALSE, TRUE));
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} else {
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strcpyW(outputparam, forValue);
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}
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/* So now, firstModifier points to beginning of modifiers, lastModifier
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points to the variable just after the modifiers. Process modifiers
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in a specific order, remembering there could be duplicates */
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modifierLen = lastModifier - firstModifier;
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finaloutput[0] = 0x00;
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/* 1. Handle '~' : Strip surrounding quotes */
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if (outputparam[0]=='"' &&
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memchrW(firstModifier, '~', modifierLen) != NULL) {
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int len = strlenW(outputparam);
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if (outputparam[len-1] == '"') {
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outputparam[len-1]=0x00;
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len = len - 1;
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}
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memmove(outputparam, &outputparam[1], (len * sizeof(WCHAR))-1);
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}
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/* 2. Handle the special case of a $ */
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if (memchrW(firstModifier, '$', modifierLen) != NULL) {
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/* Special Case: Search envar specified in $[envvar] for outputparam
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Note both $ and : are guaranteed otherwise check above would fail */
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WCHAR *begin = strchrW(firstModifier, '$') + 1;
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WCHAR *end = strchrW(firstModifier, ':');
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WCHAR env[MAX_PATH];
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WCHAR fullpath[MAX_PATH];
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/* Extract the env var */
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memcpy(env, begin, (end-begin) * sizeof(WCHAR));
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env[(end-begin)] = 0x00;
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/* If env var not found, return empty string */
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if ((GetEnvironmentVariableW(env, fullpath, MAX_PATH) == 0) ||
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(SearchPathW(fullpath, outputparam, NULL, MAX_PATH, outputparam, NULL) == 0)) {
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finaloutput[0] = 0x00;
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outputparam[0] = 0x00;
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skipFileParsing = TRUE;
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}
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}
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/* After this, we need full information on the file,
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which is valid not to exist. */
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if (!skipFileParsing) {
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if (GetFullPathNameW(outputparam, MAX_PATH, fullfilename, NULL) == 0)
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return;
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exists = GetFileAttributesExW(fullfilename, GetFileExInfoStandard,
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&fileInfo);
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/* 2. Handle 'a' : Output attributes (File doesn't have to exist) */
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if (memchrW(firstModifier, 'a', modifierLen) != NULL) {
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WCHAR defaults[] = {'-','-','-','-','-','-','-','-','-','\0'};
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doneModifier = TRUE;
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if (exists) {
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strcpyW(thisoutput, defaults);
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if (fileInfo.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
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thisoutput[0]='d';
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if (fileInfo.dwFileAttributes & FILE_ATTRIBUTE_READONLY)
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thisoutput[1]='r';
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if (fileInfo.dwFileAttributes & FILE_ATTRIBUTE_ARCHIVE)
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thisoutput[2]='a';
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if (fileInfo.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN)
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thisoutput[3]='h';
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if (fileInfo.dwFileAttributes & FILE_ATTRIBUTE_SYSTEM)
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thisoutput[4]='s';
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if (fileInfo.dwFileAttributes & FILE_ATTRIBUTE_COMPRESSED)
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thisoutput[5]='c';
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/* FIXME: What are 6 and 7? */
|
|
if (fileInfo.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT)
|
|
thisoutput[8]='l';
|
|
strcatW(finaloutput, thisoutput);
|
|
}
|
|
}
|
|
|
|
/* 3. Handle 't' : Date+time (File doesn't have to exist) */
|
|
if (memchrW(firstModifier, 't', modifierLen) != NULL) {
|
|
|
|
SYSTEMTIME systime;
|
|
int datelen;
|
|
|
|
doneModifier = TRUE;
|
|
|
|
if (exists) {
|
|
if (finaloutput[0] != 0x00) strcatW(finaloutput, spaceW);
|
|
|
|
/* Format the time */
|
|
FileTimeToSystemTime(&fileInfo.ftLastWriteTime, &systime);
|
|
GetDateFormatW(LOCALE_USER_DEFAULT, DATE_SHORTDATE, &systime,
|
|
NULL, thisoutput, MAX_PATH);
|
|
strcatW(thisoutput, spaceW);
|
|
datelen = strlenW(thisoutput);
|
|
GetTimeFormatW(LOCALE_USER_DEFAULT, TIME_NOSECONDS, &systime,
|
|
NULL, (thisoutput+datelen), MAX_PATH-datelen);
|
|
strcatW(finaloutput, thisoutput);
|
|
}
|
|
}
|
|
|
|
/* 4. Handle 'z' : File length (File doesn't have to exist) */
|
|
if (memchrW(firstModifier, 'z', modifierLen) != NULL) {
|
|
/* FIXME: Output full 64 bit size (sprintf does not support I64 here) */
|
|
ULONG/*64*/ fullsize = /*(fileInfo.nFileSizeHigh << 32) +*/
|
|
fileInfo.nFileSizeLow;
|
|
static const WCHAR fmt[] = {'%','u','\0'};
|
|
|
|
doneModifier = TRUE;
|
|
if (exists) {
|
|
if (finaloutput[0] != 0x00) strcatW(finaloutput, spaceW);
|
|
wsprintfW(thisoutput, fmt, fullsize);
|
|
strcatW(finaloutput, thisoutput);
|
|
}
|
|
}
|
|
|
|
/* 4. Handle 's' : Use short paths (File doesn't have to exist) */
|
|
if (memchrW(firstModifier, 's', modifierLen) != NULL) {
|
|
if (finaloutput[0] != 0x00) strcatW(finaloutput, spaceW);
|
|
/* Don't flag as doneModifier - %~s on its own is processed later */
|
|
GetShortPathNameW(outputparam, outputparam, sizeof(outputparam)/sizeof(outputparam[0]));
|
|
}
|
|
|
|
/* 5. Handle 'f' : Fully qualified path (File doesn't have to exist) */
|
|
/* Note this overrides d,p,n,x */
|
|
if (memchrW(firstModifier, 'f', modifierLen) != NULL) {
|
|
doneModifier = TRUE;
|
|
if (finaloutput[0] != 0x00) strcatW(finaloutput, spaceW);
|
|
strcatW(finaloutput, fullfilename);
|
|
} else {
|
|
|
|
WCHAR drive[10];
|
|
WCHAR dir[MAX_PATH];
|
|
WCHAR fname[MAX_PATH];
|
|
WCHAR ext[MAX_PATH];
|
|
BOOL doneFileModifier = FALSE;
|
|
BOOL addSpace = (finaloutput[0] != 0x00);
|
|
|
|
/* Split into components */
|
|
WCMD_splitpath(fullfilename, drive, dir, fname, ext);
|
|
|
|
/* 5. Handle 'd' : Drive Letter */
|
|
if (memchrW(firstModifier, 'd', modifierLen) != NULL) {
|
|
if (addSpace) {
|
|
strcatW(finaloutput, spaceW);
|
|
addSpace = FALSE;
|
|
}
|
|
|
|
strcatW(finaloutput, drive);
|
|
doneModifier = TRUE;
|
|
doneFileModifier = TRUE;
|
|
}
|
|
|
|
/* 6. Handle 'p' : Path */
|
|
if (memchrW(firstModifier, 'p', modifierLen) != NULL) {
|
|
if (addSpace) {
|
|
strcatW(finaloutput, spaceW);
|
|
addSpace = FALSE;
|
|
}
|
|
|
|
strcatW(finaloutput, dir);
|
|
doneModifier = TRUE;
|
|
doneFileModifier = TRUE;
|
|
}
|
|
|
|
/* 7. Handle 'n' : Name */
|
|
if (memchrW(firstModifier, 'n', modifierLen) != NULL) {
|
|
if (addSpace) {
|
|
strcatW(finaloutput, spaceW);
|
|
addSpace = FALSE;
|
|
}
|
|
|
|
strcatW(finaloutput, fname);
|
|
doneModifier = TRUE;
|
|
doneFileModifier = TRUE;
|
|
}
|
|
|
|
/* 8. Handle 'x' : Ext */
|
|
if (memchrW(firstModifier, 'x', modifierLen) != NULL) {
|
|
if (addSpace) {
|
|
strcatW(finaloutput, spaceW);
|
|
addSpace = FALSE;
|
|
}
|
|
|
|
strcatW(finaloutput, ext);
|
|
doneModifier = TRUE;
|
|
doneFileModifier = TRUE;
|
|
}
|
|
|
|
/* If 's' but no other parameter, dump the whole thing */
|
|
if (!doneFileModifier &&
|
|
memchrW(firstModifier, 's', modifierLen) != NULL) {
|
|
doneModifier = TRUE;
|
|
if (finaloutput[0] != 0x00) strcatW(finaloutput, spaceW);
|
|
strcatW(finaloutput, outputparam);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* If No other modifier processed, just add in parameter */
|
|
if (!doneModifier) strcpyW(finaloutput, outputparam);
|
|
|
|
/* Finish by inserting the replacement into the string */
|
|
WCMD_strsubstW(*start, lastModifier+1, finaloutput, -1);
|
|
}
|
|
|
|
/*******************************************************************
|
|
* WCMD_call - processes a batch call statement
|
|
*
|
|
* If there is a leading ':', calls within this batch program
|
|
* otherwise launches another program.
|
|
*/
|
|
void WCMD_call (WCHAR *command) {
|
|
|
|
/* Run other program if no leading ':' */
|
|
if (*command != ':') {
|
|
WCMD_run_program(command, TRUE);
|
|
/* If the thing we try to run does not exist, call returns 1 */
|
|
if (errorlevel) errorlevel=1;
|
|
} else {
|
|
|
|
WCHAR gotoLabel[MAX_PATH];
|
|
|
|
strcpyW(gotoLabel, param1);
|
|
|
|
if (context) {
|
|
|
|
LARGE_INTEGER li;
|
|
|
|
/* Save the current file position, call the same file,
|
|
restore position */
|
|
li.QuadPart = 0;
|
|
li.u.LowPart = SetFilePointer(context -> h, li.u.LowPart,
|
|
&li.u.HighPart, FILE_CURRENT);
|
|
|
|
WCMD_batch (param1, command, TRUE, gotoLabel, context->h);
|
|
|
|
SetFilePointer(context -> h, li.u.LowPart,
|
|
&li.u.HighPart, FILE_BEGIN);
|
|
} else {
|
|
WCMD_output_asis_stderr(WCMD_LoadMessage(WCMD_CALLINSCRIPT));
|
|
}
|
|
}
|
|
}
|