put small subset of e2fsprogs back in the tree:

lsattr, chattr, fsck. Old e2fsprogs tree is in e2fsprogs/old_e2fsprogs/*.
2006-12-26 01:30:59 +00:00
parent 64c5402584
commit c4f623ef2a
142 changed files with 42719 additions and 0 deletions
--- a/e2fsprogs/old_e2fsprogs/blkid/blkid_getsize.c
+++ b/e2fsprogs/old_e2fsprogs/blkid/blkid_getsize.c
@@ -0,0 +1,179 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * getsize.c --- get the size of a partition.
+ *
+ * Copyright (C) 1995, 1995 Theodore Ts'o.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the
+ * GNU Lesser General Public License.
+ * %End-Header%
+ */
+
+/* include this before sys/queues.h! */
+#include "blkidP.h"
+
+#include <stdio.h>
+#include <unistd.h>
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#include <fcntl.h>
+#ifdef HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+#ifdef HAVE_LINUX_FD_H
+#include <linux/fd.h>
+#endif
+#ifdef HAVE_SYS_DISKLABEL_H
+#include <sys/disklabel.h>
+#include <sys/stat.h>
+#endif
+#ifdef HAVE_SYS_DISK_H
+#ifdef HAVE_SYS_QUEUE_H
+#include <sys/queue.h> /* for LIST_HEAD */
+#endif
+#include <sys/disk.h>
+#endif
+#ifdef __linux__
+#include <sys/utsname.h>
+#endif
+
+#if defined(__linux__) && defined(_IO) && !defined(BLKGETSIZE)
+#define BLKGETSIZE _IO(0x12,96)	/* return device size */
+#endif
+
+#if defined(__linux__) && defined(_IOR) && !defined(BLKGETSIZE64)
+#define BLKGETSIZE64 _IOR(0x12,114,size_t)	/* return device size in bytes (u64 *arg) */
+#endif
+
+#ifdef APPLE_DARWIN
+#define BLKGETSIZE DKIOCGETBLOCKCOUNT32
+#endif /* APPLE_DARWIN */
+
+static int valid_offset(int fd, blkid_loff_t offset)
+{
+	char ch;
+
+	if (blkid_llseek(fd, offset, 0) < 0)
+		return 0;
+	if (read(fd, &ch, 1) < 1)
+		return 0;
+	return 1;
+}
+
+/*
+ * Returns the number of blocks in a partition
+ */
+blkid_loff_t blkid_get_dev_size(int fd)
+{
+	int valid_blkgetsize64 = 1;
+#ifdef __linux__
+	struct		utsname ut;
+#endif
+	unsigned long long size64;
+	unsigned long size;
+	blkid_loff_t high, low;
+#ifdef FDGETPRM
+	struct floppy_struct this_floppy;
+#endif
+#ifdef HAVE_SYS_DISKLABEL_H
+	int part = -1;
+	struct disklabel lab;
+	struct partition *pp;
+	char ch;
+	struct stat st;
+#endif /* HAVE_SYS_DISKLABEL_H */
+
+#ifdef DKIOCGETBLOCKCOUNT	/* For Apple Darwin */
+	if (ioctl(fd, DKIOCGETBLOCKCOUNT, &size64) >= 0) {
+		if ((sizeof(blkid_loff_t) < sizeof(unsigned long long))
+		    && (size64 << 9 > 0xFFFFFFFF))
+			return 0; /* EFBIG */
+		return (blkid_loff_t) size64 << 9;
+	}
+#endif
+
+#ifdef BLKGETSIZE64
+#ifdef __linux__
+	if ((uname(&ut) == 0) &&
+	    ((ut.release[0] == '2') && (ut.release[1] == '.') &&
+	     (ut.release[2] < '6') && (ut.release[3] == '.')))
+		valid_blkgetsize64 = 0;
+#endif
+	if (valid_blkgetsize64 &&
+	    ioctl(fd, BLKGETSIZE64, &size64) >= 0) {
+		if ((sizeof(blkid_loff_t) < sizeof(unsigned long long))
+		    && ((size64) > 0xFFFFFFFF))
+			return 0; /* EFBIG */
+		return size64;
+	}
+#endif
+
+#ifdef BLKGETSIZE
+	if (ioctl(fd, BLKGETSIZE, &size) >= 0)
+		return (blkid_loff_t)size << 9;
+#endif
+
+#ifdef FDGETPRM
+	if (ioctl(fd, FDGETPRM, &this_floppy) >= 0)
+		return (blkid_loff_t)this_floppy.size << 9;
+#endif
+#ifdef HAVE_SYS_DISKLABEL_H
+#if 0
+	/*
+	 * This should work in theory but I haven't tested it.  Anyone
+	 * on a BSD system want to test this for me?  In the meantime,
+	 * binary search mechanism should work just fine.
+	 */
+	if ((fstat(fd, &st) >= 0) && S_ISBLK(st.st_mode))
+		part = st.st_rdev & 7;
+	if (part >= 0 && (ioctl(fd, DIOCGDINFO, (char *)&lab) >= 0)) {
+		pp = &lab.d_partitions[part];
+		if (pp->p_size)
+			return pp->p_size << 9;
+	}
+#endif
+#endif /* HAVE_SYS_DISKLABEL_H */
+
+	/*
+	 * OK, we couldn't figure it out by using a specialized ioctl,
+	 * which is generally the best way.  So do binary search to
+	 * find the size of the partition.
+	 */
+	low = 0;
+	for (high = 1024; valid_offset(fd, high); high *= 2)
+		low = high;
+	while (low < high - 1)
+	{
+		const blkid_loff_t mid = (low + high) / 2;
+
+		if (valid_offset(fd, mid))
+			low = mid;
+		else
+			high = mid;
+	}
+	return low + 1;
+}
+
+#ifdef TEST_PROGRAM
+int main(int argc, char **argv)
+{
+	blkid_loff_t bytes;
+	int	fd;
+
+	if (argc < 2) {
+		fprintf(stderr, "Usage: %s device\n"
+			"Determine the size of a device\n", argv[0]);
+		return 1;
+	}
+
+	if ((fd = open(argv[1], O_RDONLY)) < 0)
+		perror(argv[0]);
+
+	bytes = blkid_get_dev_size(fd);
+	printf("Device %s has %lld 1k blocks.\n", argv[1], bytes >> 10);
+
+	return 0;
+}
+#endif