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Sweden-Number/programs/cmd/builtins.c

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/*
* CMD - Wine-compatible command line interface - built-in functions.
*
* Copyright (C) 1999 D A Pickles
*
* 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
*/
/*
* NOTES:
* On entry to each function, global variables quals, param1, param2 contain
* the qualifiers (uppercased and concatenated) and parameters entered, with
* environment-variable and batch parameter substitution already done.
*/
/*
* FIXME:
* - No support for pipes, shell parameters
* - Lots of functionality missing from builtins
* - Messages etc need international support
*/
#define WIN32_LEAN_AND_MEAN
#include "wcmd.h"
void WCMD_execute (char *orig_command, char *parameter, char *substitution);
struct env_stack
{
struct env_stack *next;
WCHAR *strings;
};
struct env_stack *saved_environment;
extern HINSTANCE hinst;
extern char *inbuilt[];
extern int echo_mode, verify_mode;
extern char quals[MAX_PATH], param1[MAX_PATH], param2[MAX_PATH];
extern BATCH_CONTEXT *context;
extern DWORD errorlevel;
/****************************************************************************
* WCMD_clear_screen
*
* Clear the terminal screen.
*/
void WCMD_clear_screen (void) {
/* Emulate by filling the screen from the top left to bottom right with
spaces, then moving the cursor to the top left afterwards */
CONSOLE_SCREEN_BUFFER_INFO consoleInfo;
HANDLE hStdOut = GetStdHandle(STD_OUTPUT_HANDLE);
if (GetConsoleScreenBufferInfo(hStdOut, &consoleInfo))
{
COORD topLeft;
DWORD screenSize;
screenSize = consoleInfo.dwSize.X * (consoleInfo.dwSize.Y + 1);
topLeft.X = 0;
topLeft.Y = 0;
FillConsoleOutputCharacter(hStdOut, ' ', screenSize, topLeft, &screenSize);
SetConsoleCursorPosition(hStdOut, topLeft);
}
}
/****************************************************************************
* WCMD_change_tty
*
* Change the default i/o device (ie redirect STDin/STDout).
*/
void WCMD_change_tty (void) {
WCMD_output (nyi);
}
/****************************************************************************
* WCMD_copy
*
* Copy a file or wildcarded set.
* FIXME: No wildcard support
*/
void WCMD_copy (void) {
DWORD count;
WIN32_FIND_DATA fd;
HANDLE hff;
BOOL force, status;
static const char overwrite[] = "Overwrite file (Y/N)?";
char string[8], outpath[MAX_PATH], inpath[MAX_PATH], *infile;
if (param1[0] == 0x00) {
WCMD_output ("Argument missing\n");
return;
}
if ((strchr(param1,'*') != NULL) && (strchr(param1,'%') != NULL)) {
WCMD_output ("Wildcards not yet supported\n");
return;
}
/* If no destination supplied, assume current directory */
if (param2[0] == 0x00) {
strcpy(param2, ".");
}
GetFullPathName (param2, sizeof(outpath), outpath, NULL);
if (outpath[strlen(outpath) - 1] == '\\')
outpath[strlen(outpath) - 1] = '\0';
hff = FindFirstFile (outpath, &fd);
if (hff != INVALID_HANDLE_VALUE) {
if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
GetFullPathName (param1, sizeof(inpath), inpath, &infile);
strcat (outpath, "\\");
strcat (outpath, infile);
}
FindClose (hff);
}
force = (strstr (quals, "/Y") != NULL);
if (!force) {
hff = FindFirstFile (outpath, &fd);
if (hff != INVALID_HANDLE_VALUE) {
FindClose (hff);
WCMD_output (overwrite);
ReadFile (GetStdHandle(STD_INPUT_HANDLE), string, sizeof(string), &count, NULL);
if (toupper(string[0]) == 'Y') force = TRUE;
}
else force = TRUE;
}
if (force) {
status = CopyFile (param1, outpath, FALSE);
if (!status) WCMD_print_error ();
}
}
/****************************************************************************
* WCMD_create_dir
*
* Create a directory.
*
* this works recursivly. so mkdir dir1\dir2\dir3 will create dir1 and dir2 if
* they do not already exist.
*/
BOOL create_full_path(CHAR* path)
{
int len;
CHAR *new_path;
BOOL ret = TRUE;
new_path = HeapAlloc(GetProcessHeap(),0,strlen(path)+1);
strcpy(new_path,path);
while ((len = strlen(new_path)) && new_path[len - 1] == '\\')
new_path[len - 1] = 0;
while (!CreateDirectory(new_path,NULL))
{
CHAR *slash;
DWORD last_error = GetLastError();
if (last_error == ERROR_ALREADY_EXISTS)
break;
if (last_error != ERROR_PATH_NOT_FOUND)
{
ret = FALSE;
break;
}
if (!(slash = strrchr(new_path,'\\')) && ! (slash = strrchr(new_path,'/')))
{
ret = FALSE;
break;
}
len = slash - new_path;
new_path[len] = 0;
if (!create_full_path(new_path))
{
ret = FALSE;
break;
}
new_path[len] = '\\';
}
HeapFree(GetProcessHeap(),0,new_path);
return ret;
}
void WCMD_create_dir (void) {
if (param1[0] == 0x00) {
WCMD_output ("Argument missing\n");
return;
}
if (!create_full_path(param1)) WCMD_print_error ();
}
/****************************************************************************
* WCMD_delete
*
* Delete a file or wildcarded set.
*
*/
void WCMD_delete (int recurse) {
WIN32_FIND_DATA fd;
HANDLE hff;
char fpath[MAX_PATH];
char *p;
if (param1[0] == 0x00) {
WCMD_output ("Argument missing\n");
return;
}
hff = FindFirstFile (param1, &fd);
if (hff == INVALID_HANDLE_VALUE) {
WCMD_output ("%s :File Not Found\n",param1);
return;
}
if ((strchr(param1,'*') == NULL) && (strchr(param1,'?') == NULL)
&& (!recurse) && (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)) {
strcat (param1, "\\*");
FindClose(hff);
WCMD_delete (1);
return;
}
if ((strchr(param1,'*') != NULL) || (strchr(param1,'?') != NULL)) {
strcpy (fpath, param1);
do {
p = strrchr (fpath, '\\');
if (p != NULL) {
*++p = '\0';
strcat (fpath, fd.cFileName);
}
else strcpy (fpath, fd.cFileName);
if (!(fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)) {
if (!DeleteFile (fpath)) WCMD_print_error ();
}
} while (FindNextFile(hff, &fd) != 0);
FindClose (hff);
}
else {
if (!DeleteFile (param1)) WCMD_print_error ();
FindClose (hff);
}
}
/****************************************************************************
* WCMD_echo
*
* Echo input to the screen (or not). We don't try to emulate the bugs
* in DOS (try typing "ECHO ON AGAIN" for an example).
*/
void WCMD_echo (const char *command) {
static const char eon[] = "Echo is ON\n", eoff[] = "Echo is OFF\n";
int count;
if ((command[0] == '.') && (command[1] == 0)) {
WCMD_output (newline);
return;
}
if (command[0]==' ')
command++;
count = strlen(command);
if (count == 0) {
if (echo_mode) WCMD_output (eon);
else WCMD_output (eoff);
return;
}
if (lstrcmpi(command, "ON") == 0) {
echo_mode = 1;
return;
}
if (lstrcmpi(command, "OFF") == 0) {
echo_mode = 0;
return;
}
WCMD_output_asis (command);
WCMD_output (newline);
}
/**************************************************************************
* WCMD_for
*
* Batch file loop processing.
* FIXME: We don't exhaustively check syntax. Any command which works in MessDOS
* will probably work here, but the reverse is not necessarily the case...
*/
void WCMD_for (char *p) {
WIN32_FIND_DATA fd;
HANDLE hff;
char *cmd, *item;
char set[MAX_PATH], param[MAX_PATH];
int i;
if (lstrcmpi (WCMD_parameter (p, 1, NULL), "in")
|| lstrcmpi (WCMD_parameter (p, 3, NULL), "do")
|| (param1[0] != '%')) {
WCMD_output ("Syntax error\n");
return;
}
lstrcpyn (set, WCMD_parameter (p, 2, NULL), sizeof(set));
WCMD_parameter (p, 4, &cmd);
lstrcpy (param, param1);
/*
* If the parameter within the set has a wildcard then search for matching files
* otherwise do a literal substitution.
*/
i = 0;
while (*(item = WCMD_parameter (set, i, NULL))) {
if (strpbrk (item, "*?")) {
hff = FindFirstFile (item, &fd);
if (hff == INVALID_HANDLE_VALUE) {
return;
}
do {
WCMD_execute (cmd, param, fd.cFileName);
} while (FindNextFile(hff, &fd) != 0);
FindClose (hff);
}
else {
WCMD_execute (cmd, param, item);
}
i++;
}
}
/*****************************************************************************
* WCMD_Execute
*
* Execute a command after substituting variable text for the supplied parameter
*/
void WCMD_execute (char *orig_cmd, char *param, char *subst) {
char *new_cmd, *p, *s, *dup;
int size;
size = lstrlen (orig_cmd);
new_cmd = (char *) LocalAlloc (LMEM_FIXED | LMEM_ZEROINIT, size);
dup = s = strdup (orig_cmd);
while ((p = strstr (s, param))) {
*p = '\0';
size += lstrlen (subst);
new_cmd = (char *) LocalReAlloc ((HANDLE)new_cmd, size, 0);
strcat (new_cmd, s);
strcat (new_cmd, subst);
s = p + lstrlen (param);
}
strcat (new_cmd, s);
WCMD_process_command (new_cmd);
free (dup);
LocalFree ((HANDLE)new_cmd);
}
/**************************************************************************
* WCMD_give_help
*
* Simple on-line help. Help text is stored in the resource file.
*/
void WCMD_give_help (char *command) {
int i;
char buffer[2048];
command = WCMD_strtrim_leading_spaces(command);
if (lstrlen(command) == 0) {
LoadString (hinst, 1000, buffer, sizeof(buffer));
WCMD_output_asis (buffer);
}
else {
for (i=0; i<=WCMD_EXIT; i++) {
if (CompareString (LOCALE_USER_DEFAULT, NORM_IGNORECASE | SORT_STRINGSORT,
param1, -1, inbuilt[i], -1) == 2) {
LoadString (hinst, i, buffer, sizeof(buffer));
WCMD_output_asis (buffer);
return;
}
}
WCMD_output ("No help available for %s\n", param1);
}
return;
}
/****************************************************************************
* WCMD_go_to
*
* Batch file jump instruction. Not the most efficient algorithm ;-)
* Prints error message if the specified label cannot be found - the file pointer is
* then at EOF, effectively stopping the batch file.
* FIXME: DOS is supposed to allow labels with spaces - we don't.
*/
void WCMD_goto (void) {
char string[MAX_PATH];
if (param1[0] == 0x00) {
WCMD_output ("Argument missing\n");
return;
}
if (context != NULL) {
SetFilePointer (context -> h, 0, NULL, FILE_BEGIN);
while (WCMD_fgets (string, sizeof(string), context -> h)) {
if ((string[0] == ':') && (lstrcmpi (&string[1], param1) == 0)) return;
}
WCMD_output ("Target to GOTO not found\n");
}
return;
}
/****************************************************************************
* WCMD_if
*
* Batch file conditional.
* FIXME: Much more syntax checking needed!
*/
void WCMD_if (char *p) {
int negate = 0, test = 0;
char condition[MAX_PATH], *command, *s;
if (!lstrcmpi (param1, "not")) {
negate = 1;
lstrcpy (condition, param2);
}
else {
lstrcpy (condition, param1);
}
if (!lstrcmpi (condition, "errorlevel")) {
if (errorlevel >= atoi(WCMD_parameter (p, 1+negate, NULL))) test = 1;
WCMD_parameter (p, 2+negate, &command);
}
else if (!lstrcmpi (condition, "exist")) {
if (GetFileAttributesA(WCMD_parameter (p, 1+negate, NULL)) != INVALID_FILE_ATTRIBUTES) {
test = 1;
}
WCMD_parameter (p, 2+negate, &command);
}
else if ((s = strstr (p, "=="))) {
s += 2;
if (!lstrcmpi (condition, WCMD_parameter (s, 0, NULL))) test = 1;
WCMD_parameter (s, 1, &command);
}
else {
WCMD_output ("Syntax error\n");
return;
}
if (test != negate) {
command = strdup (command);
WCMD_process_command (command);
free (command);
}
}
/****************************************************************************
* WCMD_move
*
* Move a file, directory tree or wildcarded set of files.
* FIXME: Needs input and output files to be fully specified.
*/
void WCMD_move (void) {
int status;
char outpath[MAX_PATH], inpath[MAX_PATH], *infile;
WIN32_FIND_DATA fd;
HANDLE hff;
if (param1[0] == 0x00) {
WCMD_output ("Argument missing\n");
return;
}
if ((strchr(param1,'*') != NULL) || (strchr(param1,'%') != NULL)) {
WCMD_output ("Wildcards not yet supported\n");
return;
}
/* If no destination supplied, assume current directory */
if (param2[0] == 0x00) {
strcpy(param2, ".");
}
/* If 2nd parm is directory, then use original filename */
GetFullPathName (param2, sizeof(outpath), outpath, NULL);
if (outpath[strlen(outpath) - 1] == '\\')
outpath[strlen(outpath) - 1] = '\0';
hff = FindFirstFile (outpath, &fd);
if (hff != INVALID_HANDLE_VALUE) {
if (fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
GetFullPathName (param1, sizeof(inpath), inpath, &infile);
strcat (outpath, "\\");
strcat (outpath, infile);
}
FindClose (hff);
}
status = MoveFile (param1, outpath);
if (!status) WCMD_print_error ();
}
/****************************************************************************
* WCMD_pause
*
* Wait for keyboard input.
*/
void WCMD_pause (void) {
DWORD count;
char string[32];
WCMD_output (anykey);
ReadFile (GetStdHandle(STD_INPUT_HANDLE), string, sizeof(string), &count, NULL);
}
/****************************************************************************
* WCMD_remove_dir
*
* Delete a directory.
*/
void WCMD_remove_dir (void) {
if (param1[0] == 0x00) {
WCMD_output ("Argument missing\n");
return;
}
if (!RemoveDirectory (param1)) WCMD_print_error ();
}
/****************************************************************************
* WCMD_rename
*
* Rename a file.
* FIXME: Needs input and output files to be fully specified.
*/
void WCMD_rename (void) {
int status;
if (param1[0] == 0x00 || param2[0] == 0x00) {
WCMD_output ("Argument missing\n");
return;
}
if ((strchr(param1,'*') != NULL) || (strchr(param1,'%') != NULL)) {
WCMD_output ("Wildcards not yet supported\n");
return;
}
status = MoveFile (param1, param2);
if (!status) WCMD_print_error ();
}
/*****************************************************************************
* WCMD_dupenv
*
* Make a copy of the environment.
*/
static WCHAR *WCMD_dupenv( const WCHAR *env )
{
WCHAR *env_copy;
int len;
if( !env )
return NULL;
len = 0;
while ( env[len] )
len += (lstrlenW(&env[len]) + 1);
env_copy = LocalAlloc (LMEM_FIXED, (len+1) * sizeof (WCHAR) );
if (!env_copy)
{
WCMD_output ("out of memory\n");
return env_copy;
}
memcpy (env_copy, env, len*sizeof (WCHAR));
env_copy[len] = 0;
return env_copy;
}
/*****************************************************************************
* WCMD_setlocal
*
* setlocal pushes the environment onto a stack
* Save the environment as unicode so we don't screw anything up.
*/
void WCMD_setlocal (const char *s) {
WCHAR *env;
struct env_stack *env_copy;
/* DISABLEEXTENSIONS ignored */
env_copy = LocalAlloc (LMEM_FIXED, sizeof (struct env_stack));
if( !env_copy )
{
WCMD_output ("out of memory\n");
return;
}
env = GetEnvironmentStringsW ();
env_copy->strings = WCMD_dupenv (env);
if (env_copy->strings)
{
env_copy->next = saved_environment;
saved_environment = env_copy;
}
else
LocalFree (env_copy);
FreeEnvironmentStringsW (env);
}
/*****************************************************************************
* WCMD_strchrW
*/
static inline WCHAR *WCMD_strchrW(WCHAR *str, WCHAR ch)
{
while(*str)
{
if(*str == ch)
return str;
str++;
}
return NULL;
}
/*****************************************************************************
* WCMD_endlocal
*
* endlocal pops the environment off a stack
*/
void WCMD_endlocal (void) {
WCHAR *env, *old, *p;
struct env_stack *temp;
int len, n;
if (!saved_environment)
return;
/* pop the old environment from the stack */
temp = saved_environment;
saved_environment = temp->next;
/* delete the current environment, totally */
env = GetEnvironmentStringsW ();
old = WCMD_dupenv (GetEnvironmentStringsW ());
len = 0;
while (old[len]) {
n = lstrlenW(&old[len]) + 1;
p = WCMD_strchrW(&old[len], '=');
if (p)
{
*p++ = 0;
SetEnvironmentVariableW (&old[len], NULL);
}
len += n;
}
LocalFree (old);
FreeEnvironmentStringsW (env);
/* restore old environment */
env = temp->strings;
len = 0;
while (env[len]) {
n = lstrlenW(&env[len]) + 1;
p = WCMD_strchrW(&env[len], '=');
if (p)
{
*p++ = 0;
SetEnvironmentVariableW (&env[len], p);
}
len += n;
}
LocalFree (env);
LocalFree (temp);
}
/*****************************************************************************
* WCMD_setshow_attrib
*
* Display and optionally sets DOS attributes on a file or directory
*
* FIXME: Wine currently uses the Unix stat() function to get file attributes.
* As a result only the Readonly flag is correctly reported, the Archive bit
* is always set and the rest are not implemented. We do the Right Thing anyway.
*
* FIXME: No SET functionality.
*
*/
void WCMD_setshow_attrib (void) {
DWORD count;
HANDLE hff;
WIN32_FIND_DATA fd;
char flags[9] = {" "};
if (param1[0] == '-') {
WCMD_output (nyi);
return;
}
if (lstrlen(param1) == 0) {
GetCurrentDirectory (sizeof(param1), param1);
strcat (param1, "\\*");
}
hff = FindFirstFile (param1, &fd);
if (hff == INVALID_HANDLE_VALUE) {
WCMD_output ("%s: File Not Found\n",param1);
}
else {
do {
if (!(fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)) {
if (fd.dwFileAttributes & FILE_ATTRIBUTE_HIDDEN) {
flags[0] = 'H';
}
if (fd.dwFileAttributes & FILE_ATTRIBUTE_SYSTEM) {
flags[1] = 'S';
}
if (fd.dwFileAttributes & FILE_ATTRIBUTE_ARCHIVE) {
flags[2] = 'A';
}
if (fd.dwFileAttributes & FILE_ATTRIBUTE_READONLY) {
flags[3] = 'R';
}
if (fd.dwFileAttributes & FILE_ATTRIBUTE_TEMPORARY) {
flags[4] = 'T';
}
if (fd.dwFileAttributes & FILE_ATTRIBUTE_COMPRESSED) {
flags[5] = 'C';
}
WCMD_output ("%s %s\n", flags, fd.cFileName);
for (count=0; count < 8; count++) flags[count] = ' ';
}
} while (FindNextFile(hff, &fd) != 0);
}
FindClose (hff);
}
/*****************************************************************************
* WCMD_setshow_default
*
* Set/Show the current default directory
*/
void WCMD_setshow_default (void) {
BOOL status;
char string[1024];
if (strlen(param1) == 0) {
GetCurrentDirectory (sizeof(string), string);
strcat (string, "\n");
WCMD_output (string);
}
else {
status = SetCurrentDirectory (param1);
if (!status) {
WCMD_print_error ();
return;
}
}
return;
}
/****************************************************************************
* WCMD_setshow_date
*
* Set/Show the system date
* FIXME: Can't change date yet
*/
void WCMD_setshow_date (void) {
char curdate[64], buffer[64];
DWORD count;
if (lstrlen(param1) == 0) {
if (GetDateFormat (LOCALE_USER_DEFAULT, 0, NULL, NULL,
curdate, sizeof(curdate))) {
WCMD_output ("Current Date is %s\nEnter new date: ", curdate);
ReadFile (GetStdHandle(STD_INPUT_HANDLE), buffer, sizeof(buffer), &count, NULL);
if (count > 2) {
WCMD_output (nyi);
}
}
else WCMD_print_error ();
}
else {
WCMD_output (nyi);
}
}
/****************************************************************************
* WCMD_compare
*/
static int WCMD_compare( const void *a, const void *b )
{
int r;
const char * const *str_a = a, * const *str_b = b;
r = CompareString( LOCALE_USER_DEFAULT, NORM_IGNORECASE | SORT_STRINGSORT,
*str_a, -1, *str_b, -1 );
if( r == CSTR_LESS_THAN ) return -1;
if( r == CSTR_GREATER_THAN ) return 1;
return 0;
}
/****************************************************************************
* WCMD_setshow_sortenv
*
* sort variables into order for display
*/
static void WCMD_setshow_sortenv(const char *s)
{
UINT count=0, len=0, i;
const char **str;
/* count the number of strings, and the total length */
while ( s[len] ) {
len += (lstrlen(&s[len]) + 1);
count++;
}
/* add the strings to an array */
str = LocalAlloc (LMEM_FIXED | LMEM_ZEROINIT, count * sizeof (char*) );
if( !str )
return;
str[0] = s;
for( i=1; i<count; i++ )
str[i] = str[i-1] + lstrlen(str[i-1]) + 1;
/* sort the array */
qsort( str, count, sizeof (char*), WCMD_compare );
/* print it */
for( i=0; i<count; i++ ) {
WCMD_output_asis(str[i]);
WCMD_output_asis("\n");
}
LocalFree( str );
}
/****************************************************************************
* WCMD_setshow_env
*
* Set/Show the environment variables
*/
void WCMD_setshow_env (char *s) {
LPVOID env;
char *p;
int status;
char buffer[1048];
if (strlen(param1) == 0) {
env = GetEnvironmentStrings ();
WCMD_setshow_sortenv( env );
}
else {
p = strchr (s, '=');
if (p == NULL) {
/* FIXME: Emulate Win98 for now, ie "SET C" looks ONLY for an
environment variable C, whereas on NT it shows ALL variables
starting with C.
*/
status = GetEnvironmentVariable(s, buffer, sizeof(buffer));
if (status) {
WCMD_output_asis( s);
WCMD_output_asis( "=");
WCMD_output_asis( buffer);
WCMD_output_asis( "\n");
} else {
WCMD_output ("Environment variable %s not defined\n", s);
}
return;
}
*p++ = '\0';
if (strlen(p) == 0) p = NULL;
status = SetEnvironmentVariable (s, p);
if ((!status) & (GetLastError() != ERROR_ENVVAR_NOT_FOUND)) WCMD_print_error();
}
/* WCMD_output (newline); @JED*/
}
/****************************************************************************
* WCMD_setshow_path
*
* Set/Show the path environment variable
*/
void WCMD_setshow_path (char *command) {
char string[1024];
DWORD status;
if (strlen(param1) == 0) {
status = GetEnvironmentVariable ("PATH", string, sizeof(string));
if (status != 0) {
WCMD_output_asis ( "PATH=");
WCMD_output_asis ( string);
WCMD_output_asis ( "\n");
}
else {
WCMD_output ("PATH not found\n");
}
}
else {
status = SetEnvironmentVariable ("PATH", command);
if (!status) WCMD_print_error();
}
}
/****************************************************************************
* WCMD_setshow_prompt
*
* Set or show the command prompt.
*/
void WCMD_setshow_prompt (void) {
char *s;
if (strlen(param1) == 0) {
SetEnvironmentVariable ("PROMPT", NULL);
}
else {
s = param1;
while ((*s == '=') || (*s == ' ')) s++;
if (strlen(s) == 0) {
SetEnvironmentVariable ("PROMPT", NULL);
}
else SetEnvironmentVariable ("PROMPT", s);
}
}
/****************************************************************************
* WCMD_setshow_time
*
* Set/Show the system time
* FIXME: Can't change time yet
*/
void WCMD_setshow_time (void) {
char curtime[64], buffer[64];
DWORD count;
SYSTEMTIME st;
if (strlen(param1) == 0) {
GetLocalTime(&st);
if (GetTimeFormat (LOCALE_USER_DEFAULT, 0, &st, NULL,
curtime, sizeof(curtime))) {
WCMD_output ("Current Time is %s\nEnter new time: ", curtime);
ReadFile (GetStdHandle(STD_INPUT_HANDLE), buffer, sizeof(buffer), &count, NULL);
if (count > 2) {
WCMD_output (nyi);
}
}
else WCMD_print_error ();
}
else {
WCMD_output (nyi);
}
}
/****************************************************************************
* WCMD_shift
*
* Shift batch parameters.
*/
void WCMD_shift (void) {
if (context != NULL) context -> shift_count++;
}
/****************************************************************************
* WCMD_title
*
* Set the console title
*/
void WCMD_title (char *command) {
SetConsoleTitle(command);
}
/****************************************************************************
* WCMD_type
*
* Copy a file to standard output.
*/
void WCMD_type (void) {
HANDLE h;
char buffer[512];
DWORD count;
if (param1[0] == 0x00) {
WCMD_output ("Argument missing\n");
return;
}
h = CreateFile (param1, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL, NULL);
if (h == INVALID_HANDLE_VALUE) {
WCMD_print_error ();
return;
}
while (ReadFile (h, buffer, sizeof(buffer), &count, NULL)) {
if (count == 0) break; /* ReadFile reports success on EOF! */
buffer[count] = 0;
WCMD_output_asis (buffer);
}
CloseHandle (h);
}
/****************************************************************************
* WCMD_verify
*
* Display verify flag.
* FIXME: We don't actually do anything with the verify flag other than toggle
* it...
*/
void WCMD_verify (char *command) {
static const char von[] = "Verify is ON\n", voff[] = "Verify is OFF\n";
int count;
count = strlen(command);
if (count == 0) {
if (verify_mode) WCMD_output (von);
else WCMD_output (voff);
return;
}
if (lstrcmpi(command, "ON") == 0) {
verify_mode = 1;
return;
}
else if (lstrcmpi(command, "OFF") == 0) {
verify_mode = 0;
return;
}
else WCMD_output ("Verify must be ON or OFF\n");
}
/****************************************************************************
* WCMD_version
*
* Display version info.
*/
void WCMD_version (void) {
WCMD_output (version_string);
}
/****************************************************************************
* WCMD_volume
*
* Display volume info and/or set volume label. Returns 0 if error.
*/
int WCMD_volume (int mode, char *path) {
DWORD count, serial;
char string[MAX_PATH], label[MAX_PATH], curdir[MAX_PATH];
BOOL status;
if (lstrlen(path) == 0) {
status = GetCurrentDirectory (sizeof(curdir), curdir);
if (!status) {
WCMD_print_error ();
return 0;
}
status = GetVolumeInformation (NULL, label, sizeof(label), &serial, NULL,
NULL, NULL, 0);
}
else {
if ((path[1] != ':') || (lstrlen(path) != 2)) {
WCMD_output_asis("Syntax Error\n\n");
return 0;
}
wsprintf (curdir, "%s\\", path);
status = GetVolumeInformation (curdir, label, sizeof(label), &serial, NULL,
NULL, NULL, 0);
}
if (!status) {
WCMD_print_error ();
return 0;
}
WCMD_output ("Volume in drive %c is %s\nVolume Serial Number is %04x-%04x\n\n",
curdir[0], label, HIWORD(serial), LOWORD(serial));
if (mode) {
WCMD_output ("Volume label (11 characters, ENTER for none)?");
ReadFile (GetStdHandle(STD_INPUT_HANDLE), string, sizeof(string), &count, NULL);
if (count > 1) {
string[count-1] = '\0'; /* ReadFile output is not null-terminated! */
if (string[count-2] == '\r') string[count-2] = '\0'; /* Under Windoze we get CRLF! */
}
if (lstrlen(path) != 0) {
if (!SetVolumeLabel (curdir, string)) WCMD_print_error ();
}
else {
if (!SetVolumeLabel (NULL, string)) WCMD_print_error ();
}
}
return 1;
}
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