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Sweden-Number/programs/cmd/directory.c

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/*
* CMD - Wine-compatible command line interface - Directory 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, global variables quals, param1, param2 contain
* the qualifiers (uppercased and concatenated) and parameters entered, with
* environment-variable and batch parameter substitution already done.
*/
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#define WIN32_LEAN_AND_MEAN
#include "wcmd.h"
int WCMD_dir_sort (const void *a, const void *b);
void WCMD_list_directory (char *path, int level);
char * WCMD_filesize64 (ULONGLONG free);
char * WCMD_strrev (char *buff);
extern int echo_mode;
extern char quals[MAX_PATH], param1[MAX_PATH], param2[MAX_PATH];
extern DWORD errorlevel;
static int file_total, dir_total, recurse, wide, bare, max_width;
static ULONGLONG byte_total;
/*****************************************************************************
* WCMD_directory
*
* List a file directory.
*
*/
void WCMD_directory (void) {
char path[MAX_PATH], drive[8];
int status, paged_mode;
ULARGE_INTEGER avail, total, free;
CONSOLE_SCREEN_BUFFER_INFO consoleInfo;
byte_total = 0;
file_total = dir_total = 0;
/* Handle args */
paged_mode = (strstr(quals, "/P") != NULL);
recurse = (strstr(quals, "/S") != NULL);
wide = (strstr(quals, "/W") != NULL);
bare = (strstr(quals, "/B") != NULL);
/* Handle conflicting args and initialization */
if (bare) wide = FALSE;
if (wide) {
if (GetConsoleScreenBufferInfo(GetStdHandle(STD_OUTPUT_HANDLE), &consoleInfo))
max_width = consoleInfo.dwSize.X;
else
max_width = 80;
}
if (paged_mode) {
WCMD_enter_paged_mode();
}
if (param1[0] == '\0') strcpy (param1, ".");
status = GetFullPathName (param1, sizeof(path), path, NULL);
if (!status) {
WCMD_print_error();
if (paged_mode) WCMD_leave_paged_mode();
return;
}
lstrcpyn (drive, path, 3);
if (!bare) {
status = WCMD_volume (0, drive);
if (!status) {
if (paged_mode) WCMD_leave_paged_mode();
return;
}
}
WCMD_list_directory (path, 0);
lstrcpyn (drive, path, 4);
GetDiskFreeSpaceEx (drive, &avail, &total, &free);
if (!bare) {
if (recurse) {
WCMD_output ("\n\n Total files listed:\n%8d files%25s bytes\n",
file_total, WCMD_filesize64 (byte_total));
WCMD_output ("%8d directories %18s bytes free\n\n",
dir_total, WCMD_filesize64 (free.QuadPart));
} else {
WCMD_output (" %18s bytes free\n\n", WCMD_filesize64 (free.QuadPart));
}
}
if (paged_mode) WCMD_leave_paged_mode();
}
/*****************************************************************************
* WCMD_list_directory
*
* List a single file directory. This function (and those below it) can be called
* recursively when the /S switch is used.
*
* FIXME: Entries sorted by name only. Should we support DIRCMD??
* FIXME: Assumes 24-line display for the /P qualifier.
* FIXME: Other command qualifiers not supported.
* FIXME: DIR /S FILENAME fails if at least one matching file is not found in the top level.
*/
void WCMD_list_directory (char *search_path, int level) {
char string[1024], datestring[32], timestring[32];
char *p;
char real_path[MAX_PATH];
WIN32_FIND_DATA *fd;
FILETIME ft;
SYSTEMTIME st;
HANDLE hff;
int status, dir_count, file_count, entry_count, i, widest, cur_width, tmp_width;
ULARGE_INTEGER byte_count, file_size;
dir_count = 0;
file_count = 0;
entry_count = 0;
byte_count.QuadPart = 0;
widest = 0;
cur_width = 0;
/*
* If the path supplied does not include a wildcard, and the endpoint of the
* path references a directory, we need to list the *contents* of that
* directory not the directory file itself.
*/
if ((strchr(search_path, '*') == NULL) && (strchr(search_path, '%') == NULL)) {
status = GetFileAttributes (search_path);
if ((status != INVALID_FILE_ATTRIBUTES) && (status & FILE_ATTRIBUTE_DIRECTORY)) {
if (search_path[strlen(search_path)-1] == '\\') {
strcat (search_path, "*");
}
else {
strcat (search_path, "\\*");
}
}
}
/* Work out the actual current directory name */
p = strrchr (search_path, '\\');
memset(real_path, 0x00, sizeof(real_path));
lstrcpyn (real_path, search_path, (p-search_path+2));
/* Load all files into an in memory structure */
fd = malloc (sizeof(WIN32_FIND_DATA));
hff = FindFirstFile (search_path, fd);
if (hff == INVALID_HANDLE_VALUE) {
SetLastError (ERROR_FILE_NOT_FOUND);
WCMD_print_error ();
free (fd);
return;
}
do {
entry_count++;
/* Keep running track of longest filename for wide output */
if (wide) {
int tmpLen = strlen((fd+(entry_count-1))->cFileName) + 3;
if ((fd+(entry_count-1))->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) tmpLen = tmpLen + 2;
if (tmpLen > widest) widest = tmpLen;
}
fd = realloc (fd, (entry_count+1)*sizeof(WIN32_FIND_DATA));
if (fd == NULL) {
FindClose (hff);
WCMD_output ("Memory Allocation Error");
return;
}
} while (FindNextFile(hff, (fd+entry_count)) != 0);
FindClose (hff);
/* Sort the list of files */
qsort (fd, entry_count, sizeof(WIN32_FIND_DATA), WCMD_dir_sort);
/* Output the results */
if (!bare) {
if (level != 0) WCMD_output ("\n\n");
WCMD_output ("Directory of %s\n\n", real_path);
}
for (i=0; i<entry_count; i++) {
FileTimeToLocalFileTime (&(fd+i)->ftLastWriteTime, &ft);
FileTimeToSystemTime (&ft, &st);
GetDateFormat (0, DATE_SHORTDATE, &st, NULL, datestring,
sizeof(datestring));
GetTimeFormat (0, TIME_NOSECONDS, &st,
NULL, timestring, sizeof(timestring));
if (wide) {
tmp_width = cur_width;
if ((fd+i)->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
WCMD_output ("[%s]", (fd+i)->cFileName);
dir_count++;
tmp_width = tmp_width + strlen((fd+i)->cFileName) + 2;
} else {
WCMD_output ("%s", (fd+i)->cFileName);
tmp_width = tmp_width + strlen((fd+i)->cFileName) ;
file_count++;
#ifndef NONAMELESSSTRUCT
file_size.LowPart = (fd+i)->nFileSizeLow;
file_size.HighPart = (fd+i)->nFileSizeHigh;
#else
file_size.u.LowPart = (fd+i)->nFileSizeLow;
file_size.u.HighPart = (fd+i)->nFileSizeHigh;
#endif
byte_count.QuadPart += file_size.QuadPart;
}
cur_width = cur_width + widest;
if ((cur_width + widest) > max_width) {
WCMD_output ("\n");
cur_width = 0;
} else {
WCMD_output ("%*.s", (tmp_width - cur_width) ,"");
}
} else if ((fd+i)->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
dir_count++;
if (!bare) {
WCMD_output ("%10s %8s <DIR> %s\n",
datestring, timestring, (fd+i)->cFileName);
} else {
if (!((strcmp((fd+i)->cFileName, ".") == 0) ||
(strcmp((fd+i)->cFileName, "..") == 0))) {
WCMD_output ("%s%s\n", recurse?real_path:"", (fd+i)->cFileName);
}
}
}
else {
file_count++;
#ifndef NONAMELESSSTRUCT
file_size.LowPart = (fd+i)->nFileSizeLow;
file_size.HighPart = (fd+i)->nFileSizeHigh;
#else
file_size.u.LowPart = (fd+i)->nFileSizeLow;
file_size.u.HighPart = (fd+i)->nFileSizeHigh;
#endif
byte_count.QuadPart += file_size.QuadPart;
if (!bare) {
WCMD_output ("%10s %8s %10s %s\n",
datestring, timestring,
WCMD_filesize64(file_size.QuadPart), (fd+i)->cFileName);
} else {
WCMD_output ("%s%s\n", recurse?real_path:"", (fd+i)->cFileName);
}
}
}
if (wide && cur_width>0) {
WCMD_output ("\n");
}
if (!bare) {
if (file_count == 1) {
WCMD_output (" 1 file %25s bytes\n", WCMD_filesize64 (byte_count.QuadPart));
}
else {
WCMD_output ("%8d files %24s bytes\n", file_count, WCMD_filesize64 (byte_count.QuadPart));
}
}
byte_total = byte_total + byte_count.QuadPart;
file_total = file_total + file_count;
dir_total = dir_total + dir_count;
if (!bare) {
if (dir_count == 1) WCMD_output ("1 directory ");
else WCMD_output ("%8d directories", dir_count);
}
for (i=0; i<entry_count; i++) {
if ((recurse) &&
((fd+i)->cFileName[0] != '.') &&
((fd+i)->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)) {
#if 0
GetFullPathName ((fd+i)->cFileName, sizeof(string), string, NULL);
#endif
p = strrchr (search_path, '\\');
lstrcpyn (string, search_path, (p-search_path+2));
lstrcat (string, (fd+i)->cFileName);
lstrcat (string, p);
WCMD_list_directory (string, 1);
}
}
free (fd);
return;
}
/*****************************************************************************
* WCMD_filesize64
*
* Convert a 64-bit number into a character string, with commas every three digits.
* Result is returned in a static string overwritten with each call.
* FIXME: There must be a better algorithm!
*/
char * WCMD_filesize64 (ULONGLONG n) {
ULONGLONG q;
unsigned int r, i;
char *p;
static char buff[32];
p = buff;
i = -3;
do {
if ((++i)%3 == 1) *p++ = ',';
q = n / 10;
r = n - (q * 10);
*p++ = r + '0';
*p = '\0';
n = q;
} while (n != 0);
WCMD_strrev (buff);
return buff;
}
/*****************************************************************************
* WCMD_strrev
*
* Reverse a character string in-place (strrev() is not available under unixen :-( ).
*/
char * WCMD_strrev (char *buff) {
int r, i;
char b;
r = lstrlen (buff);
for (i=0; i<r/2; i++) {
b = buff[i];
buff[i] = buff[r-i-1];
buff[r-i-1] = b;
}
return (buff);
}
int WCMD_dir_sort (const void *a, const void *b)
{
return (lstrcmpi(((const WIN32_FIND_DATA *)a)->cFileName,
((const WIN32_FIND_DATA *)b)->cFileName));
}
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