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Sweden-Number/programs/wcmd/directory.c

303 lines
8.1 KiB
C
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/*
* WCMD - Wine-compatible command line interface - Directory functions.
*
* (C) 1999 D A Pickles
*
* 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.
*/
/*
* FIXME:
* - 32-bit limit on individual file sizes (directories and free space are 64-bit)
* - DIR /S fails if the starting directory is not the current default.
*/
#include "wcmd.h"
int WCMD_dir_sort (const void *a, const void *b);
void WCMD_list_directory (char *path, int level);
char * WCMD_filesize64 (__int64 n);
char * WCMD_filesize32 (int n);
char * WCMD_strrev (char *buff);
extern char nyi[];
extern char newline[];
extern char version_string[];
extern char anykey[];
extern int echo_mode;
extern char quals[MAX_PATH], param1[MAX_PATH], param2[MAX_PATH];
int file_total, dir_total, line_count, page_mode, recurse;
__int64 byte_total;
/*****************************************************************************
* WCMD_directory
*
* List a file directory.
* FIXME: /S switch only works for the current directory
*
*/
void WCMD_directory () {
char path[MAX_PATH], drive[8];
int status;
__int64 free_space;
DWORD spc, bps, fc, capacity;
line_count = 5;
page_mode = (strstr(quals, "/P") != NULL);
recurse = (strstr(quals, "/S") != NULL);
if (param1[0] == '\0') strcpy (param1, ".");
GetFullPathName (param1, sizeof(path), path, NULL);
lstrcpyn (drive, path, 3);
status = WCMD_volume (0, drive);
if (!status) {
return;
}
WCMD_list_directory (path, 0);
lstrcpyn (drive, path, 4);
GetDiskFreeSpace (drive, &spc, &bps, &fc, &capacity);
free_space = bps * spc * fc;
WCMD_output (" %18s bytes free\n\n", WCMD_filesize64 (free_space));
if (recurse) {
WCMD_output ("Total files listed:\n%8d files%25s bytes\n%8d directories\n\n",
file_total, WCMD_filesize64 (byte_total), dir_total);
}
}
/*****************************************************************************
* 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: Assumes individual files are less than 2**32 bytes.
* 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 mem_err[] = "Memory Allocation Error";
char *p;
DWORD count;
WIN32_FIND_DATA *fd;
FILETIME ft;
SYSTEMTIME st;
HANDLE hff;
int status, dir_count, file_count, entry_count, i;
__int64 byte_count;
dir_count = 0;
file_count = 0;
entry_count = 0;
byte_count = 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 != -1) && (status & FILE_ATTRIBUTE_DIRECTORY)) {
if (search_path[strlen(search_path)-1] == '\\') {
strcat (search_path, "*");
}
else {
strcat (search_path, "\\*");
}
}
}
fd = malloc (sizeof(WIN32_FIND_DATA));
hff = FindFirstFile (search_path, fd);
if (hff == INVALID_HANDLE_VALUE) {
WCMD_output ("File Not Found\n");
free (fd);
return;
}
do {
entry_count++;
fd = realloc (fd, (entry_count+1)*sizeof(WIN32_FIND_DATA));
if (fd == NULL) {
FindClose (hff);
WCMD_output (mem_err);
return;
}
} while (FindNextFile(hff, (fd+entry_count)) != 0);
FindClose (hff);
qsort (fd, entry_count, sizeof(WIN32_FIND_DATA), WCMD_dir_sort);
if (level != 0) WCMD_output ("\n\n");
WCMD_output ("Directory of %s\n\n", search_path);
if (page_mode) {
line_count += 2;
if (line_count > 23) {
line_count = 0;
WCMD_output (anykey);
ReadFile (GetStdHandle(STD_INPUT_HANDLE), string, sizeof(string), &count, NULL);
}
}
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 ((fd+i)->dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) {
dir_count++;
WCMD_output ("%8s %8s <DIR> %s\n",
datestring, timestring, (fd+i)->cFileName);
}
else {
file_count++;
byte_count += (fd+i)->nFileSizeLow;
WCMD_output ("%8s %8s %10s %s\n",
datestring, timestring,
WCMD_filesize32((fd+i)->nFileSizeLow), (fd+i)->cFileName);
}
if (page_mode) {
if (++line_count > 23) {
line_count = 0;
WCMD_output (anykey);
ReadFile (GetStdHandle(STD_INPUT_HANDLE), string, sizeof(string), &count, NULL);
}
}
}
if (file_count == 1) {
WCMD_output (" 1 file %25s bytes\n", WCMD_filesize64 (byte_count));
}
else {
WCMD_output ("%8d files %24s bytes\n", file_count, WCMD_filesize64 (byte_count));
}
if (page_mode) {
if (++line_count > 23) {
line_count = 0;
WCMD_output (anykey);
ReadFile (GetStdHandle(STD_INPUT_HANDLE), string, sizeof(string), &count, NULL);
}
}
byte_total = byte_total + byte_count;
file_total = file_total + file_count;
dir_total = dir_total + dir_count;
if (dir_count == 1) WCMD_output ("1 directory ");
else WCMD_output ("%8d directories", dir_count);
if (page_mode) {
if (++line_count > 23) {
line_count = 0;
WCMD_output (anykey);
ReadFile (GetStdHandle(STD_INPUT_HANDLE), string, sizeof(string), &count, NULL);
}
}
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 (__int64 n) {
__int64 q;
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_filesize32
*
* Convert a 32-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_filesize32 (int n) {
int r, i;
char *p, *q;
static char buff1[16], buff2[16];
wsprintf (buff1, "%i", n);
r = lstrlen (buff1);
WCMD_strrev (buff1);
p = buff1;
q = buff2;
for (i=0; i<r; i++) {
if ((i-2)%3 == 1) *q++ = ',';
*q++ = *p++;
}
*q = '\0';
WCMD_strrev (buff2);
return buff2;
}
/*****************************************************************************
* 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(((WIN32_FIND_DATA *)a)->cFileName,
((WIN32_FIND_DATA *)b)->cFileName));
}
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