574 lines
13 KiB
C
574 lines
13 KiB
C
/*
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* WCMD - Wine-compatible command line interface.
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*
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* (C) 1999 D A Pickles
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*/
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/*
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* FIXME:
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* - No support for pipes
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* - 32-bit limit on file sizes in DIR command
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* - Cannot handle parameters in quotes
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* - Lots of functionality missing from builtins
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*/
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#include "wcmd.h"
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char *inbuilt[] = {"ATTRIB", "CALL", "CD", "CHDIR", "CLS", "COPY", "CTTY",
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"DATE", "DEL", "DIR", "ECHO", "ERASE", "FOR", "GOTO",
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"HELP", "IF", "LABEL", "MD", "MKDIR", "MOVE", "PATH", "PAUSE",
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"PROMPT", "REM", "REN", "RENAME", "RD", "RMDIR", "SET", "SHIFT",
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"TIME", "TYPE", "VERIFY", "VER", "VOL", "EXIT"};
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int echo_mode = 1, verify_mode = 0;
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char nyi[] = "Not Yet Implemented\n\n";
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char newline[] = "\n";
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char version_string[] = "WCMD Version 0.12\n\n";
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char anykey[] = "Press any key to continue: ";
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char quals[MAX_PATH], param1[MAX_PATH], param2[MAX_PATH];
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BATCH_CONTEXT *context = NULL;
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/*****************************************************************************
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* Main entry point. This is a console application so we have a main() not a
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* winmain().
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*/
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int wine_main (int argc, char *argv[]) {
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char string[1024], args[MAX_PATH], param[MAX_PATH];
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int status, i;
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DWORD count;
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HANDLE h;
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args[0] = param[0] = '\0';
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if (argc > 1) {
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for (i=1; i<argc; i++) {
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if (argv[i][0] == '/') {
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strcat (args, argv[i]);
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}
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else {
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strcat (param, argv[i]);
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strcat (param, " ");
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}
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}
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}
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/*
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* Allocate a console and set it up.
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*/
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status = FreeConsole ();
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if (!status) WCMD_print_error();
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status = AllocConsole();
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if (!status) WCMD_print_error();
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SetConsoleMode (GetStdHandle(STD_INPUT_HANDLE), ENABLE_LINE_INPUT | ENABLE_ECHO_INPUT |
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ENABLE_PROCESSED_INPUT);
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/*
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* Execute any command-line options.
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*/
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if (strstr(args, "/q") != NULL) {
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WCMD_echo ("OFF");
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}
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if (strstr(args, "/c") != NULL) {
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WCMD_process_command (param);
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return 0;
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}
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if (strstr(args, "/k") != NULL) {
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WCMD_process_command (param);
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}
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/*
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* If there is an AUTOEXEC.BAT file, try to execute it.
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*/
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GetFullPathName ("\\autoexec.bat", sizeof(string), string, NULL);
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h = CreateFile (string, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
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if (h != INVALID_HANDLE_VALUE) {
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CloseHandle (h);
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#if 0
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WCMD_batch (string, " ");
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#endif
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}
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/*
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* Loop forever getting commands and executing them.
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*/
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WCMD_version ();
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while (TRUE) {
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WCMD_show_prompt ();
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ReadFile (GetStdHandle(STD_INPUT_HANDLE), string, sizeof(string), &count, NULL);
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if (count > 1) {
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string[count-1] = '\0'; /* ReadFile output is not null-terminated! */
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if (string[count-2] == '\r') string[count-2] = '\0'; /* Under Windoze we get CRLF! */
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if (lstrlen (string) != 0) {
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WCMD_process_command (string);
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}
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}
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}
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}
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/*****************************************************************************
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* Process one command. If the command is EXIT this routine does not return.
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* We will recurse through here executing batch files.
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*/
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void WCMD_process_command (char *command) {
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char cmd[1024];
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char *p;
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int status, i;
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DWORD count;
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HANDLE old_stdin = 0, old_stdout = 0, h;
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/*
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* Throw away constructs we don't support yet
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*/
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if (strchr(command,'|') != NULL) {
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WCMD_output ("Pipes not yet implemented\n");
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return;
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}
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/*
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* Expand up environment variables.
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*/
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status = ExpandEnvironmentStrings (command, cmd, sizeof(cmd));
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if (!status) {
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WCMD_print_error ();
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return;
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}
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/*
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* Changing default drive has to be handled as a special case.
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*/
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if ((cmd[1] == ':') && IsCharAlpha (cmd[0]) && (strlen(cmd) == 2)) {
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status = SetCurrentDirectory (cmd);
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if (!status) WCMD_print_error ();
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return;
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}
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WCMD_output (newline);
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/*
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* Redirect stdin and/or stdout if required.
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*/
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if ((p = strchr(cmd,'<')) != NULL) {
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h = CreateFile (WCMD_parameter (++p, 0, NULL), GENERIC_READ, 0, NULL, OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL, 0);
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if (h == INVALID_HANDLE_VALUE) {
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WCMD_print_error ();
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return;
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}
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old_stdin = GetStdHandle (STD_INPUT_HANDLE);
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SetStdHandle (STD_INPUT_HANDLE, h);
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}
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if ((p = strchr(cmd,'>')) != NULL) {
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h = CreateFile (WCMD_parameter (++p, 0, NULL), GENERIC_WRITE, 0, NULL, CREATE_ALWAYS,
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FILE_ATTRIBUTE_NORMAL, 0);
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if (h == INVALID_HANDLE_VALUE) {
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WCMD_print_error ();
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return;
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}
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old_stdout = GetStdHandle (STD_OUTPUT_HANDLE);
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SetStdHandle (STD_OUTPUT_HANDLE, h);
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*--p = '\0';
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}
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if ((p = strchr(cmd,'<')) != NULL) *p = '\0';
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/*
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* Check if the command entered is internal. If it is, pass the rest of the
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* line down to the command. If not try to run a program.
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*/
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count = 0;
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while (IsCharAlphaNumeric(cmd[count])) {
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count++;
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}
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for (i=0; i<=WCMD_EXIT; i++) {
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if (CompareString (LOCALE_USER_DEFAULT, NORM_IGNORECASE | SORT_STRINGSORT,
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cmd, count, inbuilt[i], -1) == 2) break;
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}
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p = WCMD_strtrim_leading_spaces (&cmd[count]);
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WCMD_parse (p, quals, param1, param2);
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switch (i) {
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case WCMD_ATTRIB:
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WCMD_setshow_attrib ();
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break;
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case WCMD_CALL:
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WCMD_batch (param1, p, 1);
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break;
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case WCMD_CD:
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case WCMD_CHDIR:
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WCMD_setshow_default ();
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break;
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case WCMD_CLS:
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WCMD_clear_screen ();
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break;
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case WCMD_COPY:
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WCMD_copy ();
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break;
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case WCMD_CTTY:
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WCMD_change_tty ();
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break;
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case WCMD_DATE:
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WCMD_setshow_date ();
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break;
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case WCMD_DEL:
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case WCMD_ERASE:
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WCMD_delete (0);
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break;
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case WCMD_DIR:
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WCMD_directory ();
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break;
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case WCMD_ECHO:
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WCMD_echo (p);
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break;
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case WCMD_FOR:
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WCMD_for (p);
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break;
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case WCMD_GOTO:
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WCMD_goto ();
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break;
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case WCMD_HELP:
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WCMD_give_help (p);
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break;
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case WCMD_IF:
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WCMD_if (p);
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break;
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case WCMD_LABEL:
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WCMD_volume (1, p);
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break;
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case WCMD_MD:
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case WCMD_MKDIR:
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WCMD_create_dir ();
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break;
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case WCMD_MOVE:
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WCMD_move ();
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break;
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case WCMD_PATH:
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WCMD_setshow_path ();
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break;
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case WCMD_PAUSE:
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WCMD_pause ();
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break;
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case WCMD_PROMPT:
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WCMD_setshow_prompt ();
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break;
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case WCMD_REM:
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break;
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case WCMD_REN:
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case WCMD_RENAME:
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WCMD_rename ();
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break;
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case WCMD_RD:
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case WCMD_RMDIR:
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WCMD_remove_dir ();
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break;
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case WCMD_SET:
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WCMD_setshow_env (p);
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break;
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case WCMD_SHIFT:
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WCMD_shift ();
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break;
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case WCMD_TIME:
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WCMD_setshow_time ();
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break;
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case WCMD_TYPE:
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WCMD_type ();
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break;
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case WCMD_VER:
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WCMD_version ();
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break;
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case WCMD_VERIFY:
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WCMD_verify (p);
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break;
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case WCMD_VOL:
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WCMD_volume (0, p);
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break;
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case WCMD_EXIT:
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ExitProcess (0);
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default:
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WCMD_run_program (cmd);
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};
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if (old_stdin) {
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CloseHandle (GetStdHandle (STD_INPUT_HANDLE));
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SetStdHandle (STD_INPUT_HANDLE, old_stdin);
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}
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if (old_stdout) {
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CloseHandle (GetStdHandle (STD_OUTPUT_HANDLE));
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SetStdHandle (STD_OUTPUT_HANDLE, old_stdout);
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}
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}
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/******************************************************************************
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* WCMD_run_program
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*
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* Execute a command line as an external program. If no extension given then
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* precedence is given to .BAT files. Must allow recursion.
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*
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* FIXME: Case sensitivity in suffixes!
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*/
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void WCMD_run_program (char *command) {
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STARTUPINFO st;
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PROCESS_INFORMATION pe;
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BOOL status;
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HANDLE h;
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char filetorun[MAX_PATH];
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WCMD_parse (command, quals, param1, param2); /* Quick way to get the filename */
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if (strpbrk (param1, "\\:") == NULL) { /* No explicit path given */
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if ((strchr (param1, '.') == NULL) || (strstr (param1, ".bat") != NULL)) {
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if (SearchPath (NULL, param1, ".bat", sizeof(filetorun), filetorun, NULL)) {
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WCMD_batch (filetorun, command, 0);
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return;
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}
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}
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}
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else { /* Explicit path given */
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if (strstr (param1, ".bat") != NULL) {
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WCMD_batch (param1, command, 0);
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return;
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}
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if (strchr (param1, '.') == NULL) {
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strcpy (filetorun, param1);
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strcat (filetorun, ".bat");
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h = CreateFile (filetorun, GENERIC_READ, 0, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0);
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if (h != INVALID_HANDLE_VALUE) {
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CloseHandle (h);
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WCMD_batch (param1, command, 0);
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return;
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}
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}
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}
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/* No batch file found, assume executable */
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ZeroMemory (&st, sizeof(STARTUPINFO));
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st.cb = sizeof(STARTUPINFO);
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status = CreateProcess (NULL, command, NULL, NULL, FALSE,
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0, NULL, NULL, &st, &pe);
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if (!status) {
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WCMD_print_error ();
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}
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}
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/******************************************************************************
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* WCMD_show_prompt
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*
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* Display the prompt on STDout
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*
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*/
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void WCMD_show_prompt () {
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int status;
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char out_string[MAX_PATH], curdir[MAX_PATH], prompt_string[MAX_PATH];
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char *p, *q;
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status = GetEnvironmentVariable ("PROMPT", prompt_string, sizeof(prompt_string));
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if ((status == 0) || (status > sizeof(prompt_string))) {
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lstrcpy (prompt_string, "$N$G");
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}
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p = prompt_string;
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q = out_string;
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*q = '\0';
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while (*p != '\0') {
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if (*p != '$') {
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*q++ = *p++;
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*q = '\0';
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}
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else {
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p++;
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switch (toupper(*p)) {
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case '$':
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*q++ = '$';
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break;
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case 'B':
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*q++ = '|';
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break;
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case 'D':
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GetDateFormat (LOCALE_USER_DEFAULT, DATE_SHORTDATE, NULL, NULL, q, MAX_PATH);
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while (*q) q++;
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break;
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case 'E':
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*q++ = '\E';
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break;
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case 'G':
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*q++ = '>';
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break;
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case 'L':
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*q++ = '<';
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break;
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case 'N':
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status = GetCurrentDirectory (sizeof(curdir), curdir);
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if (status) {
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*q++ = curdir[0];
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}
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break;
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case 'P':
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status = GetCurrentDirectory (sizeof(curdir), curdir);
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if (status) {
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lstrcat (q, curdir);
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while (*q) q++;
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}
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break;
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case 'Q':
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*q++ = '=';
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break;
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case 'T':
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GetTimeFormat (LOCALE_USER_DEFAULT, 0, NULL, NULL, q, MAX_PATH);
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while (*q) q++;
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break;
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case '_':
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*q++ = '\n';
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break;
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}
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p++;
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*q = '\0';
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}
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}
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WCMD_output (out_string);
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}
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/****************************************************************************
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* WCMD_print_error
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*
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* Print the message for GetLastError - not much use yet as Wine doesn't have
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* the messages available, so we show meaningful messages for the most likely.
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*/
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void WCMD_print_error () {
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LPVOID lpMsgBuf;
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DWORD error_code;
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error_code = GetLastError ();
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switch (error_code) {
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case ERROR_FILE_NOT_FOUND:
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WCMD_output ("File Not Found\n");
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break;
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case ERROR_PATH_NOT_FOUND:
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WCMD_output ("Path Not Found\n");
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break;
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default:
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FormatMessage (FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
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NULL, error_code,
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MAKELANGID(LANG_NEUTRAL,SUBLANG_DEFAULT),
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(LPTSTR) &lpMsgBuf, 0, NULL);
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WCMD_output (lpMsgBuf);
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LocalFree ((HLOCAL)lpMsgBuf);
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}
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return;
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}
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/*******************************************************************
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* WCMD_parse - parse a command into parameters and qualifiers.
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*
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* On exit, all qualifiers are concatenated into q, the first string
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* not beginning with "/" is in p1 and the
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* second in p2. Any subsequent non-qualifier strings are lost.
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* Parameters in quotes are handled.
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*/
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void WCMD_parse (char *s, char *q, char *p1, char *p2) {
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int p = 0;
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*q = *p1 = *p2 = '\0';
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while (TRUE) {
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switch (*s) {
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case '/':
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*q++ = *s++;
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while ((*s != '\0') && (*s != ' ') && *s != '/') {
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*q++ = toupper (*s++);
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}
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*q = '\0';
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break;
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case ' ':
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s++;
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break;
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case '"':
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s++;
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while ((*s != '\0') && (*s != '"')) {
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if (p == 0) *p1++ = *s++;
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else if (p == 1) *p2++ = *s++;
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else s++;
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}
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if (p == 0) *p1 = '\0';
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if (p == 1) *p2 = '\0';
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p++;
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if (*s == '"') s++;
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break;
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case '\0':
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return;
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default:
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while ((*s != '\0') && (*s != ' ') && (*s != '/')) {
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if (p == 0) *p1++ = *s++;
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else if (p == 1) *p2++ = *s++;
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else s++;
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}
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if (p == 0) *p1 = '\0';
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if (p == 1) *p2 = '\0';
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p++;
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}
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}
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}
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/*******************************************************************
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* WCMD_output - send output to current standard output device.
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*
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*/
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void WCMD_output (char *format, ...) {
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va_list ap;
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char string[1024];
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DWORD count;
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va_start(ap,format);
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vsprintf (string, format, ap);
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WriteFile (GetStdHandle(STD_OUTPUT_HANDLE), string, lstrlen(string), &count, NULL);
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va_end(ap);
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}
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/* Remove leading spaces from a string. Return a pointer to the first
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* non-space character. Does not modify the input string
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*/
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char *WCMD_strtrim_leading_spaces (char *string) {
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char *ptr;
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ptr = string;
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while (*ptr == ' ') ptr++;
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return ptr;
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}
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/* Remove trailing spaces from a string. This routine modifies the input
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* string by placing a null after the last non-space character
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*/
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void WCMD_strtrim_trailing_spaces (char *string) {
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char *ptr;
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ptr = string + lstrlen (string) - 1;
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while ((*ptr == ' ') && (ptr >= string)) {
|
|
*ptr = '\0';
|
|
ptr--;
|
|
}
|
|
}
|