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Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys.
This commit is contained in:
Colin Finck
parent
b94e2d8ca0
commit
c2c66aff7d
24198 changed files with 0 additions and 37285 deletions
267
sdk/lib/fslib/vfatlib/check/file.c
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267
sdk/lib/fslib/vfatlib/check/file.c
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/* file.c - Additional file attributes
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Copyright (C) 1993 Werner Almesberger <werner.almesberger@lrc.di.epfl.ch>
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Copyright (C) 1998 Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de>
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Copyright (C) 2008-2014 Daniel Baumann <mail@daniel-baumann.ch>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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The complete text of the GNU General Public License
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can be found in /usr/share/common-licenses/GPL-3 file.
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*/
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/* FAT32, VFAT, Atari format support, and various fixes additions May 1998
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* by Roman Hodek <Roman.Hodek@informatik.uni-erlangen.de> */
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#include "vfatlib.h"
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#define NDEBUG
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#include <debug.h>
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FDSC *fp_root = NULL;
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static void put_char(char **p, unsigned char c)
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{
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// if (dos_char_to_printable(p, c))
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// return;
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if ((c >= ' ' && c < 0x7f) || c >= 0xa0)
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*(*p)++ = c;
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else {
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*(*p)++ = '\\';
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*(*p)++ = '0' + (c >> 6);
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*(*p)++ = '0' + ((c >> 3) & 7);
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*(*p)++ = '0' + (c & 7);
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}
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}
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/**
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* Construct the "pretty-printed" representation of the name in a short directory entry.
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*
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* @param[in] fixed Pointer to name[0] of a DIR_ENT
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*
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* @return Pointer to static string containing pretty "8.3" equivalent of the
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* name in the directory entry.
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*/
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char *file_name(unsigned char *fixed)
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{
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static char path[MSDOS_NAME * 4 + 2];
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char *p;
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int i, j;
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p = path;
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for (i = j = 0; i < 8; i++)
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if (fixed[i] != ' ') {
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while (j++ < i)
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*p++ = ' ';
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put_char(&p, fixed[i]);
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}
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if (strncmp((const char *)(fixed + 8), " ", 3)) {
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*p++ = '.';
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for (i = j = 0; i < 3; i++)
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if (fixed[i + 8] != ' ') {
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while (j++ < i)
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*p++ = ' ';
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put_char(&p, fixed[i + 8]);
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}
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}
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*p = 0;
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return path;
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}
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int file_cvt(unsigned char *name, unsigned char *fixed)
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{
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unsigned char c;
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int size, ext, cnt;
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size = 8;
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ext = 0;
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while (*name) {
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c = *name;
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if (c < ' ' || c > 0x7e || strchr("*?<>|\"/", c)) {
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printf("Invalid character in name. Use \\ooo for special "
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"characters.\n");
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return 0;
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}
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if (c == '.') {
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if (ext) {
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printf("Duplicate dots in name.\n");
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return 0;
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}
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while (size--)
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*fixed++ = ' ';
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size = 3;
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ext = 1;
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name++;
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continue;
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}
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if (c == '\\') {
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c = 0;
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for (cnt = 3; cnt; cnt--) {
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if (*name < '0' || *name > '7') {
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printf("Invalid octal character.\n");
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return 0;
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}
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c = c * 8 + *name++ - '0';
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}
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if (cnt < 4) {
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printf("Expected three octal digits.\n");
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return 0;
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}
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name += 3;
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}
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if (islower(c))
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c = toupper(c);
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if (size) {
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*fixed++ = c;
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size--;
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}
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name++;
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}
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if (*name || size == 8)
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return 0;
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if (!ext) {
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while (size--)
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*fixed++ = ' ';
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size = 3;
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}
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while (size--)
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*fixed++ = ' ';
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return 1;
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}
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void file_add(char *path, FD_TYPE type)
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{
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FDSC **current, *walk;
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char name[MSDOS_NAME];
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char *here;
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current = &fp_root;
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if (*path != '/')
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die("%s: Absolute path required.", path);
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path++;
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while (1) {
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if ((here = strchr(path, '/')))
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*here = 0;
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if (!file_cvt((unsigned char *)path, (unsigned char *)name))
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exit(2);
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for (walk = *current; walk; walk = walk->next)
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if (!here && (!strncmp(name, walk->name, MSDOS_NAME) || (type ==
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fdt_undelete && !strncmp(name + 1, walk->name + 1, MSDOS_NAME - 1))))
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die("Ambiguous name: \"%s\"", path);
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else if (here && !strncmp(name, walk->name, MSDOS_NAME))
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break;
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if (!walk) {
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walk = alloc(sizeof(FDSC));
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strncpy(walk->name, name, MSDOS_NAME);
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walk->type = here ? fdt_none : type;
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walk->first = NULL;
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walk->next = *current;
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*current = walk;
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}
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current = &walk->first;
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if (!here)
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break;
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*here = '/';
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path = here + 1;
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}
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}
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FDSC **file_cd(FDSC ** curr, char *fixed)
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{
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FDSC **walk;
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if (!curr || !*curr)
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return NULL;
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for (walk = curr; *walk; walk = &(*walk)->next)
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if (!strncmp((*walk)->name, fixed, MSDOS_NAME) && (*walk)->first)
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return &(*walk)->first;
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return NULL;
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}
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static FDSC **file_find(FDSC ** dir, char *fixed)
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{
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if (!dir || !*dir)
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return NULL;
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if (*(unsigned char *)fixed == DELETED_FLAG) {
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while (*dir) {
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if (!strncmp((*dir)->name + 1, fixed + 1, MSDOS_NAME - 1)
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&& !(*dir)->first)
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return dir;
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dir = &(*dir)->next;
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}
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return NULL;
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}
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while (*dir) {
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if (!strncmp((*dir)->name, fixed, MSDOS_NAME) && !(*dir)->first)
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return dir;
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dir = &(*dir)->next;
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}
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return NULL;
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}
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/* Returns the attribute of the file FIXED in directory CURR or FDT_NONE if no
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such file exists or if CURR is NULL. */
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FD_TYPE file_type(FDSC ** curr, char *fixed)
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{
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FDSC **this;
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if ((this = file_find(curr, fixed)))
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return (*this)->type;
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return fdt_none;
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}
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void file_modify(FDSC ** curr, char *fixed)
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{
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FDSC **this, *next;
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if (!(this = file_find(curr, fixed)))
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die("Internal error: file_find failed");
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switch ((*this)->type) {
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case fdt_drop:
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printf("Dropping %s\n", file_name((unsigned char *)fixed));
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*(unsigned char *)fixed = DELETED_FLAG;
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break;
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case fdt_undelete:
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*fixed = *(*this)->name;
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printf("Undeleting %s\n", file_name((unsigned char *)fixed));
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break;
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default:
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die("Internal error: file_modify");
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}
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next = (*this)->next;
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free(*this);
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*this = next;
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}
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static void report_unused(FDSC * this)
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{
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FDSC *next;
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while (this) {
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next = this->next;
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if (this->first)
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report_unused(this->first);
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else if (this->type != fdt_none)
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printf("Warning: did not %s file %s\n", this->type == fdt_drop ?
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"drop" : "undelete", file_name((unsigned char *)this->name));
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free(this);
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this = next;
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}
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}
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void file_unused(void)
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{
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report_unused(fp_root);
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}
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