aboutsummaryrefslogtreecommitdiff
path: root/e2fsprogs/e2fsck/util.c
diff options
context:
space:
mode:
Diffstat (limited to 'e2fsprogs/e2fsck/util.c')
-rw-r--r--e2fsprogs/e2fsck/util.c503
1 files changed, 0 insertions, 503 deletions
diff --git a/e2fsprogs/e2fsck/util.c b/e2fsprogs/e2fsck/util.c
deleted file mode 100644
index 311156e23..000000000
--- a/e2fsprogs/e2fsck/util.c
+++ /dev/null
@@ -1,503 +0,0 @@
-/*
- * util.c --- miscellaneous utilities
- *
- * Copyright (C) 1993, 1994, 1995, 1996, 1997 Theodore Ts'o.
- *
- * %Begin-Header%
- * This file may be redistributed under the terms of the GNU Public
- * License.
- * %End-Header%
- */
-
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <ctype.h>
-
-#ifdef HAVE_CONIO_H
-#undef HAVE_TERMIOS_H
-#include <conio.h>
-#define read_a_char() getch()
-#else
-#ifdef HAVE_TERMIOS_H
-#include <termios.h>
-#endif
-#include <stdio.h>
-#endif
-
-#ifdef HAVE_MALLOC_H
-#include <malloc.h>
-#endif
-
-#include "e2fsck.h"
-
-extern e2fsck_t e2fsck_global_ctx; /* Try your very best not to use this! */
-
-#include <sys/time.h>
-#include <sys/resource.h>
-
-#if 0
-void fatal_error(e2fsck_t ctx, const char *msg)
-{
- if (msg)
- fprintf (stderr, "e2fsck: %s\n", msg);
- if (ctx->fs && ctx->fs->io) {
- if (ctx->fs->io->magic == EXT2_ET_MAGIC_IO_CHANNEL)
- io_channel_flush(ctx->fs->io);
- else
- fprintf(stderr, "e2fsck: io manager magic bad!\n");
- }
- ctx->flags |= E2F_FLAG_ABORT;
- if (ctx->flags & E2F_FLAG_SETJMP_OK)
- longjmp(ctx->abort_loc, 1);
- exit(FSCK_ERROR);
-}
-#endif
-
-void *e2fsck_allocate_memory(e2fsck_t ctx, unsigned int size,
- const char *description)
-{
- void *ret;
- char buf[256];
-
-#ifdef DEBUG_ALLOCATE_MEMORY
- printf("Allocating %d bytes for %s...\n", size, description);
-#endif
- ret = malloc(size);
- if (!ret) {
- sprintf(buf, "Can't allocate %s\n", description);
- fatal_error(ctx, buf);
- }
- memset(ret, 0, size);
- return ret;
-}
-
-char *string_copy(e2fsck_t ctx EXT2FS_ATTR((unused)),
- const char *str, int len)
-{
- char *ret;
-
- if (!str)
- return NULL;
- if (!len)
- len = strlen(str);
- ret = malloc(len+1);
- if (ret) {
- strncpy(ret, str, len);
- ret[len] = 0;
- }
- return ret;
-}
-
-#ifndef HAVE_STRNLEN
-/*
- * Incredibly, libc5 doesn't appear to have strnlen. So we have to
- * provide our own.
- */
-int e2fsck_strnlen(const char * s, int count)
-{
- const char *cp = s;
-
- while (count-- && *cp)
- cp++;
- return cp - s;
-}
-#endif
-
-#ifndef HAVE_CONIO_H
-static int read_a_char(void)
-{
- char c;
- int r;
- int fail = 0;
-
- while(1) {
- if (e2fsck_global_ctx &&
- (e2fsck_global_ctx->flags & E2F_FLAG_CANCEL)) {
- return 3;
- }
- r = read(0, &c, 1);
- if (r == 1)
- return c;
- if (fail++ > 100)
- break;
- }
- return EOF;
-}
-#endif
-
-int ask_yn(const char * string, int def)
-{
- int c;
- const char *defstr;
- const char *short_yes = _("yY");
- const char *short_no = _("nN");
-
-#ifdef HAVE_TERMIOS_H
- struct termios termios, tmp;
-
- tcgetattr (0, &termios);
- tmp = termios;
- tmp.c_lflag &= ~(ICANON | ECHO);
- tmp.c_cc[VMIN] = 1;
- tmp.c_cc[VTIME] = 0;
- tcsetattr (0, TCSANOW, &tmp);
-#endif
-
- if (def == 1)
- defstr = _(_("<y>"));
- else if (def == 0)
- defstr = _(_("<n>"));
- else
- defstr = _(" (y/n)");
- printf("%s%s? ", string, defstr);
- while (1) {
- fflush (stdout);
- if ((c = read_a_char()) == EOF)
- break;
- if (c == 3) {
-#ifdef HAVE_TERMIOS_H
- tcsetattr (0, TCSANOW, &termios);
-#endif
- if (e2fsck_global_ctx &&
- e2fsck_global_ctx->flags & E2F_FLAG_SETJMP_OK) {
- puts("\n");
- longjmp(e2fsck_global_ctx->abort_loc, 1);
- }
- puts(_("cancelled!\n"));
- return 0;
- }
- if (strchr(short_yes, (char) c)) {
- def = 1;
- break;
- }
- else if (strchr(short_no, (char) c)) {
- def = 0;
- break;
- }
- else if ((c == ' ' || c == '\n') && (def != -1))
- break;
- }
- if (def)
- puts(_("yes\n"));
- else
- puts (_("no\n"));
-#ifdef HAVE_TERMIOS_H
- tcsetattr (0, TCSANOW, &termios);
-#endif
- return def;
-}
-
-int ask (e2fsck_t ctx, const char * string, int def)
-{
- if (ctx->options & E2F_OPT_NO) {
- printf (_("%s? no\n\n"), string);
- return 0;
- }
- if (ctx->options & E2F_OPT_YES) {
- printf (_("%s? yes\n\n"), string);
- return 1;
- }
- if (ctx->options & E2F_OPT_PREEN) {
- printf ("%s? %s\n\n", string, def ? _("yes") : _("no"));
- return def;
- }
- return ask_yn(string, def);
-}
-
-void e2fsck_read_bitmaps(e2fsck_t ctx)
-{
- ext2_filsys fs = ctx->fs;
- errcode_t retval;
-
- if (ctx->invalid_bitmaps) {
- com_err(ctx->program_name, 0,
- _("e2fsck_read_bitmaps: illegal bitmap block(s) for %s"),
- ctx->device_name);
- fatal_error(ctx, 0);
- }
-
- ehandler_operation(_("reading inode and block bitmaps"));
- retval = ext2fs_read_bitmaps(fs);
- ehandler_operation(0);
- if (retval) {
- com_err(ctx->program_name, retval,
- _("while retrying to read bitmaps for %s"),
- ctx->device_name);
- fatal_error(ctx, 0);
- }
-}
-
-void e2fsck_write_bitmaps(e2fsck_t ctx)
-{
- ext2_filsys fs = ctx->fs;
- errcode_t retval;
-
- if (ext2fs_test_bb_dirty(fs)) {
- ehandler_operation(_("writing block bitmaps"));
- retval = ext2fs_write_block_bitmap(fs);
- ehandler_operation(0);
- if (retval) {
- com_err(ctx->program_name, retval,
- _("while retrying to write block bitmaps for %s"),
- ctx->device_name);
- fatal_error(ctx, 0);
- }
- }
-
- if (ext2fs_test_ib_dirty(fs)) {
- ehandler_operation(_("writing inode bitmaps"));
- retval = ext2fs_write_inode_bitmap(fs);
- ehandler_operation(0);
- if (retval) {
- com_err(ctx->program_name, retval,
- _("while retrying to write inode bitmaps for %s"),
- ctx->device_name);
- fatal_error(ctx, 0);
- }
- }
-}
-
-void preenhalt(e2fsck_t ctx)
-{
- ext2_filsys fs = ctx->fs;
-
- if (!(ctx->options & E2F_OPT_PREEN))
- return;
- fprintf(stderr, _("\n\n%s: UNEXPECTED INCONSISTENCY; "
- "RUN fsck MANUALLY.\n\t(i.e., without -a or -p options)\n"),
- ctx->device_name);
- if (fs != NULL) {
- fs->super->s_state |= EXT2_ERROR_FS;
- ext2fs_mark_super_dirty(fs);
- ext2fs_close(fs);
- }
- exit(FSCK_UNCORRECTED);
-}
-
-#ifdef RESOURCE_TRACK
-void init_resource_track(struct resource_track *track)
-{
-#ifdef HAVE_GETRUSAGE
- struct rusage r;
-#endif
-
- track->brk_start = sbrk(0);
- gettimeofday(&track->time_start, 0);
-#ifdef HAVE_GETRUSAGE
-#ifdef sun
- memset(&r, 0, sizeof(struct rusage));
-#endif
- getrusage(RUSAGE_SELF, &r);
- track->user_start = r.ru_utime;
- track->system_start = r.ru_stime;
-#else
- track->user_start.tv_sec = track->user_start.tv_usec = 0;
- track->system_start.tv_sec = track->system_start.tv_usec = 0;
-#endif
-}
-
-#ifdef __GNUC__
-#define _INLINE_ __inline__
-#else
-#define _INLINE_
-#endif
-
-static _INLINE_ float timeval_subtract(struct timeval *tv1,
- struct timeval *tv2)
-{
- return ((tv1->tv_sec - tv2->tv_sec) +
- ((float) (tv1->tv_usec - tv2->tv_usec)) / 1000000);
-}
-
-void print_resource_track(const char *desc, struct resource_track *track)
-{
-#ifdef HAVE_GETRUSAGE
- struct rusage r;
-#endif
-#ifdef HAVE_MALLINFO
- struct mallinfo malloc_info;
-#endif
- struct timeval time_end;
-
- gettimeofday(&time_end, 0);
-
- if (desc)
- printf("%s: ", desc);
-
-#ifdef HAVE_MALLINFO
-#define kbytes(x) (((x) + 1023) / 1024)
-
- malloc_info = mallinfo();
- printf(_("Memory used: %dk/%dk (%dk/%dk), "),
- kbytes(malloc_info.arena), kbytes(malloc_info.hblkhd),
- kbytes(malloc_info.uordblks), kbytes(malloc_info.fordblks));
-#else
- printf(_("Memory used: %d, "),
- (int) (((char *) sbrk(0)) - ((char *) track->brk_start)));
-#endif
-#ifdef HAVE_GETRUSAGE
- getrusage(RUSAGE_SELF, &r);
-
- printf(_("time: %5.2f/%5.2f/%5.2f\n"),
- timeval_subtract(&time_end, &track->time_start),
- timeval_subtract(&r.ru_utime, &track->user_start),
- timeval_subtract(&r.ru_stime, &track->system_start));
-#else
- printf(_("elapsed time: %6.3f\n"),
- timeval_subtract(&time_end, &track->time_start));
-#endif
-}
-#endif /* RESOURCE_TRACK */
-
-void e2fsck_read_inode(e2fsck_t ctx, unsigned long ino,
- struct ext2_inode * inode, const char *proc)
-{
- int retval;
-
- retval = ext2fs_read_inode(ctx->fs, ino, inode);
- if (retval) {
- com_err("ext2fs_read_inode", retval,
- _("while reading inode %ld in %s"), ino, proc);
- fatal_error(ctx, 0);
- }
-}
-
-extern void e2fsck_write_inode_full(e2fsck_t ctx, unsigned long ino,
- struct ext2_inode * inode, int bufsize,
- const char *proc)
-{
- int retval;
-
- retval = ext2fs_write_inode_full(ctx->fs, ino, inode, bufsize);
- if (retval) {
- com_err("ext2fs_write_inode", retval,
- _("while writing inode %ld in %s"), ino, proc);
- fatal_error(ctx, 0);
- }
-}
-
-extern void e2fsck_write_inode(e2fsck_t ctx, unsigned long ino,
- struct ext2_inode * inode, const char *proc)
-{
- int retval;
-
- retval = ext2fs_write_inode(ctx->fs, ino, inode);
- if (retval) {
- com_err("ext2fs_write_inode", retval,
- _("while writing inode %ld in %s"), ino, proc);
- fatal_error(ctx, 0);
- }
-}
-
-#ifdef MTRACE
-void mtrace_print(char *mesg)
-{
- FILE *malloc_get_mallstream();
- FILE *f = malloc_get_mallstream();
-
- if (f)
- fprintf(f, "============= %s\n", mesg);
-}
-#endif
-
-blk_t get_backup_sb(e2fsck_t ctx, ext2_filsys fs, const char *name,
- io_manager manager)
-{
- struct ext2_super_block *sb;
- io_channel io = NULL;
- void *buf = NULL;
- int blocksize;
- blk_t superblock, ret_sb = 8193;
-
- if (fs && fs->super) {
- ret_sb = (fs->super->s_blocks_per_group +
- fs->super->s_first_data_block);
- if (ctx) {
- ctx->superblock = ret_sb;
- ctx->blocksize = fs->blocksize;
- }
- return ret_sb;
- }
-
- if (ctx) {
- if (ctx->blocksize) {
- ret_sb = ctx->blocksize * 8;
- if (ctx->blocksize == 1024)
- ret_sb++;
- ctx->superblock = ret_sb;
- return ret_sb;
- }
- ctx->superblock = ret_sb;
- ctx->blocksize = 1024;
- }
-
- if (!name || !manager)
- goto cleanup;
-
- if (manager->open(name, 0, &io) != 0)
- goto cleanup;
-
- if (ext2fs_get_mem(SUPERBLOCK_SIZE, &buf))
- goto cleanup;
- sb = (struct ext2_super_block *) buf;
-
- for (blocksize = EXT2_MIN_BLOCK_SIZE;
- blocksize <= EXT2_MAX_BLOCK_SIZE ; blocksize *= 2) {
- superblock = blocksize*8;
- if (blocksize == 1024)
- superblock++;
- io_channel_set_blksize(io, blocksize);
- if (io_channel_read_blk(io, superblock,
- -SUPERBLOCK_SIZE, buf))
- continue;
-#ifdef EXT2FS_ENABLE_SWAPFS
- if (sb->s_magic == ext2fs_swab16(EXT2_SUPER_MAGIC))
- ext2fs_swap_super(sb);
-#endif
- if (sb->s_magic == EXT2_SUPER_MAGIC) {
- ret_sb = superblock;
- if (ctx) {
- ctx->superblock = superblock;
- ctx->blocksize = blocksize;
- }
- break;
- }
- }
-
-cleanup:
- if (io)
- io_channel_close(io);
- if (buf)
- ext2fs_free_mem(&buf);
- return (ret_sb);
-}
-
-/*
- * Given a mode, return the ext2 file type
- */
-int ext2_file_type(unsigned int mode)
-{
- if (LINUX_S_ISREG(mode))
- return EXT2_FT_REG_FILE;
-
- if (LINUX_S_ISDIR(mode))
- return EXT2_FT_DIR;
-
- if (LINUX_S_ISCHR(mode))
- return EXT2_FT_CHRDEV;
-
- if (LINUX_S_ISBLK(mode))
- return EXT2_FT_BLKDEV;
-
- if (LINUX_S_ISLNK(mode))
- return EXT2_FT_SYMLINK;
-
- if (LINUX_S_ISFIFO(mode))
- return EXT2_FT_FIFO;
-
- if (LINUX_S_ISSOCK(mode))
- return EXT2_FT_SOCK;
-
- return 0;
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-29 21:28:18 +0000