forked from Lainports/freebsd-ports
14e733a6bb
This is the first commit that renames e2fsprogs to e2fsprogs-core, makes the necessary changes to Makefiles, strips the FLAVORs that determined how to link or copy to /sbin. The latter feature will be placed into a new e2fsprogs port that just copies two files to /sbin. A followup 2/2 commit will then add the new e2fsprogs port. This is done so that Git can properly track the rename. While here, switch from FreeBSD's dd to GNU coreutils's dd in an attempt to fix sporadic m_offset self-test failures.
145 lines
2.6 KiB
C
145 lines
2.6 KiB
C
/*
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* fsck_ext2fs - wrapper for e2fsck on FreeBSD
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* Copyright (C) 2004,2006 Matthias Andree <matthias.andree@gmx.de>
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* redistributable in accordance with the
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* GNU General Public License v2
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*
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* Upstream: $Id: fsck_ext2fs.c,v 1.6 2006/07/02 11:37:49 emma Exp $
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*
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* format: gindent -kr
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*/
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#include <sys/types.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/wait.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <errno.h>
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__attribute__ ((noreturn))
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static int die(const char *tag)
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{
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perror(tag);
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exit(EXIT_FAILURE);
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}
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int main(int argc, char **argv)
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{
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int ch, i = 1, force = 0, status, verbose = 0, t;
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long block = 0;
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enum { normal, preen, yes, no } mode = normal;
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char *cmd[256];
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pid_t pid;
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cmd[0] = "/sbin/e2fsck";
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while ((ch = getopt(argc, argv, "BFpfnyb:v")) != -1) {
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switch (ch) {
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case 'p':
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mode = preen;
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break;
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case 'f':
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force = 1;
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break;
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case 'n':
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mode = no;
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break;
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case 'y':
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mode = yes;
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break;
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case 'b':
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block = atol(optarg);
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break;
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case 'v':
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verbose++;
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break;
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case 'F':
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/* e2fsck does not support background checking,
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* hence exit with nonzero status to force
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* the foreground check. */
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exit(1);
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case 'B':
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default:
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fprintf(stderr, "%s: unknown option -%c\n",
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argv[0], optopt);
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exit(EXIT_FAILURE);
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}
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}
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if (force)
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cmd[i++] = "-f";
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switch (mode) {
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case normal:
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/* FreeBSD needs -f to force a check only in context
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* with -p -- so map normal to force to match
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* expectations */
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if (!force)
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cmd[i++] = "-f";
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break;
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case yes:
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cmd[i++] = "-y";
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break;
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case no:
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cmd[i++] = "-n";
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break;
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case preen:
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cmd[i++] = "-p";
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break;
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}
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if (block) {
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static char b[30];
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sprintf(b, "-b %ld", block);
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cmd[i++] = b;
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}
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/* silently limit verbose to 15 so we don't overflow the cmd array */
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if (verbose > 15)
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verbose = 15;
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for (t = verbose; t > 1; t--)
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cmd[i++] = "-v";
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while (optind < argc) {
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cmd[i++] = argv[optind++];
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/* sanity check so we don't overflow the cmd buffer */
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if (i+1 == sizeof(cmd)/sizeof(cmd[0])) {
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errno = E2BIG;
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die(argv[0]);
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}
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}
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cmd[i++] = 0;
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if (verbose) {
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for (i=0; cmd[i]; i++)
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fputs(cmd[i], stderr),
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fputc(' ', stderr);
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fputc('\n', stderr);
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}
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pid = fork();
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switch (pid) {
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case -1:
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/* error */
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die("fork");
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break;
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case 0:
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/* child */
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(void) execv(cmd[0], cmd);
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perror("execve");
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_exit(127);
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default:
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/* parent */
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if (pid != waitpid(pid, &status, 0))
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die("waitpid");
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if (WIFSIGNALED(status)
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|| (WIFEXITED(status) && WEXITSTATUS(status) >= 4))
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exit(EXIT_FAILURE);
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}
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exit(EXIT_SUCCESS);
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}
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