[T106][ZXW-22]7520V3SCV2.01.01.02P42U09_VEC_V0.8_AP_VEC origin source commit

Change-Id: Ic6e05d89ecd62fc34f82b23dcf306c93764aec4b
diff --git a/ap/app/e2fsprogs/e2fsprogs-1.42.9/misc/util.c b/ap/app/e2fsprogs/e2fsprogs-1.42.9/misc/util.c
new file mode 100644
index 0000000..40c8858
--- /dev/null
+++ b/ap/app/e2fsprogs/e2fsprogs-1.42.9/misc/util.c
@@ -0,0 +1,305 @@
+/*
+ * util.c --- helper functions used by tune2fs and mke2fs
+ *
+ * Copyright 1995, 1996, 1997, 1998, 1999, 2000 by Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Public
+ * License.
+ * %End-Header%
+ */
+
+#define _LARGEFILE_SOURCE
+#define _LARGEFILE64_SOURCE
+
+#include "config.h"
+#include <stdio.h>
+#include <string.h>
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#ifdef HAVE_LINUX_MAJOR_H
+#include <linux/major.h>
+#endif
+#ifdef HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+#include <time.h>
+
+#include "et/com_err.h"
+#include "e2p/e2p.h"
+#include "ext2fs/ext2_fs.h"
+#include "ext2fs/ext2fs.h"
+#include "nls-enable.h"
+#include "blkid/blkid.h"
+#include "util.h"
+
+#ifndef HAVE_STRCASECMP
+int strcasecmp (char *s1, char *s2)
+{
+	while (*s1 && *s2) {
+		int ch1 = *s1++, ch2 = *s2++;
+		if (isupper (ch1))
+			ch1 = tolower (ch1);
+		if (isupper (ch2))
+			ch2 = tolower (ch2);
+		if (ch1 != ch2)
+			return ch1 - ch2;
+	}
+	return *s1 ? 1 : *s2 ? -1 : 0;
+}
+#endif
+
+/*
+ * Given argv[0], return the program name.
+ */
+char *get_progname(char *argv_zero)
+{
+	char	*cp;
+
+	cp = strrchr(argv_zero, '/');
+	if (!cp )
+		return argv_zero;
+	else
+		return cp+1;
+}
+
+void proceed_question(void)
+{
+	char buf[256];
+	const char *short_yes = _("yY");
+
+	fflush(stdout);
+	fflush(stderr);
+	fputs(_("Proceed anyway? (y,n) "), stdout);
+	buf[0] = 0;
+	if (!fgets(buf, sizeof(buf), stdin) ||
+	    strchr(short_yes, buf[0]) == 0)
+		exit(1);
+}
+
+void check_plausibility(const char *device)
+{
+	int val;
+	ext2fs_struct_stat s;
+
+	val = ext2fs_stat(device, &s);
+
+	if(val == -1) {
+		fprintf(stderr, _("Could not stat %s --- %s\n"),
+			device, error_message(errno));
+		if (errno == ENOENT)
+			fputs(_("\nThe device apparently does not exist; "
+				"did you specify it correctly?\n"), stderr);
+		exit(1);
+	}
+#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
+	/* On FreeBSD, all disk devices are character specials */
+	if (!S_ISBLK(s.st_mode) && !S_ISCHR(s.st_mode))
+#else
+	if (!S_ISBLK(s.st_mode))
+#endif
+	{
+		printf(_("%s is not a block special device.\n"), device);
+		proceed_question();
+		return;
+	}
+
+#ifdef HAVE_LINUX_MAJOR_H
+#ifndef MAJOR
+#define MAJOR(dev)	((dev)>>8)
+#define MINOR(dev)	((dev) & 0xff)
+#endif
+#ifndef SCSI_BLK_MAJOR
+#ifdef SCSI_DISK0_MAJOR
+#ifdef SCSI_DISK8_MAJOR
+#define SCSI_DISK_MAJOR(M) ((M) == SCSI_DISK0_MAJOR || \
+  ((M) >= SCSI_DISK1_MAJOR && (M) <= SCSI_DISK7_MAJOR) || \
+  ((M) >= SCSI_DISK8_MAJOR && (M) <= SCSI_DISK15_MAJOR))
+#else
+#define SCSI_DISK_MAJOR(M) ((M) == SCSI_DISK0_MAJOR || \
+  ((M) >= SCSI_DISK1_MAJOR && (M) <= SCSI_DISK7_MAJOR))
+#endif /* defined(SCSI_DISK8_MAJOR) */
+#define SCSI_BLK_MAJOR(M) (SCSI_DISK_MAJOR((M)) || (M) == SCSI_CDROM_MAJOR)
+#else
+#define SCSI_BLK_MAJOR(M)  ((M) == SCSI_DISK_MAJOR || (M) == SCSI_CDROM_MAJOR)
+#endif /* defined(SCSI_DISK0_MAJOR) */
+#endif /* defined(SCSI_BLK_MAJOR) */
+	if (((MAJOR(s.st_rdev) == HD_MAJOR &&
+	      MINOR(s.st_rdev)%64 == 0) ||
+	     (SCSI_BLK_MAJOR(MAJOR(s.st_rdev)) &&
+	      MINOR(s.st_rdev)%16 == 0))) {
+		printf(_("%s is entire device, not just one partition!\n"),
+		       device);
+		proceed_question();
+	}
+#endif
+}
+
+void check_mount(const char *device, int force, const char *type)
+{
+	errcode_t	retval;
+	int		mount_flags;
+
+	retval = ext2fs_check_if_mounted(device, &mount_flags);
+	if (retval) {
+		com_err("ext2fs_check_if_mount", retval,
+			_("while determining whether %s is mounted."),
+			device);
+		return;
+	}
+	if (mount_flags & EXT2_MF_MOUNTED) {
+		fprintf(stderr, _("%s is mounted; "), device);
+		if (force >= 2) {
+			fputs(_("mke2fs forced anyway.  Hope /etc/mtab is "
+				"incorrect.\n"), stderr);
+			return;
+		}
+	abort_mke2fs:
+		fprintf(stderr, _("will not make a %s here!\n"), type);
+		exit(1);
+	}
+	if (mount_flags & EXT2_MF_BUSY) {
+		fprintf(stderr, _("%s is apparently in use by the system; "),
+			device);
+		if (force >= 2) {
+			fputs(_("mke2fs forced anyway.\n"), stderr);
+			return;
+		}
+		goto abort_mke2fs;
+	}
+}
+
+void parse_journal_opts(const char *opts)
+{
+	char	*buf, *token, *next, *p, *arg;
+	int	len;
+	int	journal_usage = 0;
+
+	len = strlen(opts);
+	buf = malloc(len+1);
+	if (!buf) {
+		fputs(_("Couldn't allocate memory to parse journal "
+			"options!\n"), stderr);
+		exit(1);
+	}
+	strcpy(buf, opts);
+	for (token = buf; token && *token; token = next) {
+		p = strchr(token, ',');
+		next = 0;
+		if (p) {
+			*p = 0;
+			next = p+1;
+		}
+		arg = strchr(token, '=');
+		if (arg) {
+			*arg = 0;
+			arg++;
+		}
+#if 0
+		printf("Journal option=%s, argument=%s\n", token,
+		       arg ? arg : "NONE");
+#endif
+		if (strcmp(token, "device") == 0) {
+			journal_device = blkid_get_devname(NULL, arg, NULL);
+			if (!journal_device) {
+				if (arg)
+					fprintf(stderr, _("\nCould not find "
+						"journal device matching %s\n"),
+						arg);
+				journal_usage++;
+				continue;
+			}
+		} else if (strcmp(token, "size") == 0) {
+			if (!arg) {
+				journal_usage++;
+				continue;
+			}
+			journal_size = strtoul(arg, &p, 0);
+			if (*p)
+				journal_usage++;
+		} else if (strcmp(token, "v1_superblock") == 0) {
+			journal_flags |= EXT2_MKJOURNAL_V1_SUPER;
+			continue;
+		} else
+			journal_usage++;
+	}
+	if (journal_usage) {
+		fputs(_("\nBad journal options specified.\n\n"
+			"Journal options are separated by commas, "
+			"and may take an argument which\n"
+			"\tis set off by an equals ('=') sign.\n\n"
+			"Valid journal options are:\n"
+			"\tsize=<journal size in megabytes>\n"
+			"\tdevice=<journal device>\n\n"
+			"The journal size must be between "
+			"1024 and 10240000 filesystem blocks.\n\n"), stderr);
+		free(buf);
+		exit(1);
+	}
+	free(buf);
+}
+
+/*
+ * Determine the number of journal blocks to use, either via
+ * user-specified # of megabytes, or via some intelligently selected
+ * defaults.
+ *
+ * Find a reasonable journal file size (in blocks) given the number of blocks
+ * in the filesystem.  For very small filesystems, it is not reasonable to
+ * have a journal that fills more than half of the filesystem.
+ */
+unsigned int figure_journal_size(int size, ext2_filsys fs)
+{
+	int j_blocks;
+
+	j_blocks = ext2fs_default_journal_size(ext2fs_blocks_count(fs->super));
+	if (j_blocks < 0) {
+		fputs(_("\nFilesystem too small for a journal\n"), stderr);
+		return 0;
+	}
+
+	if (size > 0) {
+		j_blocks = size * 1024 / (fs->blocksize	/ 1024);
+		if (j_blocks < 1024 || j_blocks > 10240000) {
+			fprintf(stderr, _("\nThe requested journal "
+				"size is %d blocks; it must be\n"
+				"between 1024 and 10240000 blocks.  "
+				"Aborting.\n"),
+				j_blocks);
+			exit(1);
+		}
+		if ((unsigned) j_blocks > ext2fs_free_blocks_count(fs->super) / 2) {
+			fputs(_("\nJournal size too big for filesystem.\n"),
+			      stderr);
+			exit(1);
+		}
+	}
+	return j_blocks;
+}
+
+void print_check_message(int mnt, unsigned int check)
+{
+	if (mnt < 0)
+		mnt = 0;
+	if (!mnt && !check)
+		return;
+	printf(_("This filesystem will be automatically "
+		 "checked every %d mounts or\n"
+		 "%g days, whichever comes first.  "
+		 "Use tune2fs -c or -i to override.\n"),
+	       mnt, ((double) check) / (3600 * 24));
+}
+
+void dump_mmp_msg(struct mmp_struct *mmp, const char *msg)
+{
+
+	if (msg)
+		printf("MMP check failed: %s\n", msg);
+	if (mmp) {
+		time_t t = mmp->mmp_time;
+
+		printf("MMP error info: last update: %s node: %s device: %s\n",
+		       ctime(&t), mmp->mmp_nodename, mmp->mmp_bdevname);
+	}
+}