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@@ -1,183 +0,0 @@
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-/*
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- * file.c
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- *
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- * Mini "VFS" by Marcus Sundberg
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- *
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- * 2002-07-28 - rjones@nexus-tech.net - ported to ppcboot v1.1.6
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- * 2003-03-10 - kharris@nexus-tech.net - ported to uboot
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- *
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- * SPDX-License-Identifier: GPL-2.0+
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- */
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-
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-#include <common.h>
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-#include <config.h>
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-#include <malloc.h>
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-#include <fat.h>
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-#include <linux/stat.h>
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-#include <linux/time.h>
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-
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-/* Supported filesystems */
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-static const struct filesystem filesystems[] = {
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- { file_fat_detectfs, file_fat_ls, file_fat_read, "FAT" },
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-};
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-#define NUM_FILESYS (sizeof(filesystems)/sizeof(struct filesystem))
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-
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-/* The filesystem which was last detected */
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-static int current_filesystem = FSTYPE_NONE;
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-
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-/* The current working directory */
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-#define CWD_LEN 511
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-char file_cwd[CWD_LEN+1] = "/";
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-
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-const char *
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-file_getfsname(int idx)
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-{
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- if (idx < 0 || idx >= NUM_FILESYS)
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- return NULL;
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-
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- return filesystems[idx].name;
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-}
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-
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-static void
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-pathcpy(char *dest, const char *src)
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-{
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- char *origdest = dest;
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-
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- do {
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- if (dest-file_cwd >= CWD_LEN) {
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- *dest = '\0';
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- return;
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- }
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- *(dest) = *(src);
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- if (*src == '\0') {
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- if (dest-- != origdest && ISDIRDELIM(*dest)) {
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- *dest = '\0';
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- }
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- return;
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- }
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- ++dest;
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-
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- if (ISDIRDELIM(*src))
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- while (ISDIRDELIM(*src)) src++;
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- else
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- src++;
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- } while (1);
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-}
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-
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-int
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-file_cd(const char *path)
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-{
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- if (ISDIRDELIM(*path)) {
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- while (ISDIRDELIM(*path)) path++;
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- strncpy(file_cwd+1, path, CWD_LEN-1);
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- } else {
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- const char *origpath = path;
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- char *tmpstr = file_cwd;
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- int back = 0;
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-
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- while (*tmpstr != '\0') tmpstr++;
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- do {
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- tmpstr--;
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- } while (ISDIRDELIM(*tmpstr));
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-
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- while (*path == '.') {
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- path++;
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- while (*path == '.') {
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- path++;
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- back++;
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- }
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- if (*path != '\0' && !ISDIRDELIM(*path)) {
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- path = origpath;
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- back = 0;
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- break;
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- }
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- while (ISDIRDELIM(*path)) path++;
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- origpath = path;
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- }
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-
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- while (back--) {
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- /* Strip off path component */
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- while (!ISDIRDELIM(*tmpstr)) {
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- tmpstr--;
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- }
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- if (tmpstr == file_cwd) {
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- /* Incremented again right after the loop. */
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- tmpstr--;
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- break;
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- }
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- /* Skip delimiters */
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- while (ISDIRDELIM(*tmpstr)) tmpstr--;
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- }
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- tmpstr++;
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- if (*path == '\0') {
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- if (tmpstr == file_cwd) {
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- *tmpstr = '/';
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- tmpstr++;
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- }
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- *tmpstr = '\0';
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- return 0;
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- }
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- *tmpstr = '/';
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- pathcpy(tmpstr+1, path);
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- }
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-
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- return 0;
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-}
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-
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-int
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-file_detectfs(void)
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-{
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- int i;
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-
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- current_filesystem = FSTYPE_NONE;
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-
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- for (i = 0; i < NUM_FILESYS; i++) {
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- if (filesystems[i].detect() == 0) {
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- strcpy(file_cwd, "/");
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- current_filesystem = i;
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- break;
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- }
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- }
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-
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- return current_filesystem;
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-}
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-
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-int
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-file_ls(const char *dir)
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-{
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- char fullpath[1024];
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- const char *arg;
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-
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- if (current_filesystem == FSTYPE_NONE) {
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- printf("Can't list files without a filesystem!\n");
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- return -1;
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- }
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-
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- if (ISDIRDELIM(*dir)) {
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- arg = dir;
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- } else {
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- sprintf(fullpath, "%s/%s", file_cwd, dir);
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- arg = fullpath;
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- }
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- return filesystems[current_filesystem].ls(arg);
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-}
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-
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-int file_read(const char *filename, void *buffer, int maxsize)
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-{
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- char fullpath[1024];
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- const char *arg;
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-
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- if (current_filesystem == FSTYPE_NONE) {
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- printf("Can't load file without a filesystem!\n");
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- return -1;
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- }
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-
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- if (ISDIRDELIM(*filename)) {
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- arg = filename;
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- } else {
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- sprintf(fullpath, "%s/%s", file_cwd, filename);
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- arg = fullpath;
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- }
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-
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- return filesystems[current_filesystem].read(arg, buffer, maxsize);
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-}
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