1 files changed, 0 insertions, 379 deletions
diff --git a/libblkid/devno.c b/libblkid/devno.c
deleted file mode 100644
index 906c91fcd..000000000
--- a/libblkid/devno.c
+++ /dev/null
@@ -1,379 +0,0 @@
-/*
- * devno.c - find a particular device by its device number (major/minor)
- *
- * Copyright (C) 2000, 2001, 2003 Theodore Ts'o
- * Copyright (C) 2001 Andreas Dilger
- *
- * %Begin-Header%
- * This file may be redistributed under the terms of the
- * GNU Lesser General Public License.
- * %End-Header%
- */
-
-#include <stdio.h>
-#include <string.h>
-#ifdef HAVE_UNISTD_H
-#include <unistd.h>
-#endif
-#include <stdlib.h>
-#ifdef HAVE_SYS_TYPES_H
-#include <sys/types.h>
-#endif
-#ifdef HAVE_SYS_STAT_H
-#include <sys/stat.h>
-#endif
-#include <dirent.h>
-#ifdef HAVE_ERRNO_H
-#include <errno.h>
-#endif
-#ifdef HAVE_SYS_MKDEV_H
-#include <sys/mkdev.h>
-#endif
-#include <fcntl.h>
-#include <inttypes.h>
-
-#include "blkidP.h"
-#include "pathnames.h"
-#include "at.h"
-#include "sysfs.h"
-
-static char *blkid_strconcat(const char *a, const char *b, const char *c)
-{
-	char *res, *p;
-	size_t len, al, bl, cl;
-
-	al = a ? strlen(a) : 0;
-	bl = b ? strlen(b) : 0;
-	cl = c ? strlen(c) : 0;
-
-	len = al + bl + cl;
-	if (!len)
-		return NULL;
-	p = res = malloc(len + 1);
-	if (!res)
-		return NULL;
-	if (al) {
-		memcpy(p, a, al);
-		p += al;
-	}
-	if (bl) {
-		memcpy(p, b, bl);
-		p += bl;
-	}
-	if (cl) {
-		memcpy(p, c, cl);
-		p += cl;
-	}
-	*p = '\0';
-	return res;
-}
-
-/*
- * This function adds an entry to the directory list
- */
-static void add_to_dirlist(const char *dir, const char *subdir,
-				struct dir_list **list)
-{
-	struct dir_list *dp;
-
-	dp = malloc(sizeof(struct dir_list));
-	if (!dp)
-		return;
-	dp->name = subdir ? blkid_strconcat(dir, "/", subdir) :
-		   dir ? strdup(dir) : NULL;
-
-	if (!dp->name) {
-		free(dp);
-		return;
-	}
-	dp->next = *list;
-	*list = dp;
-}
-
-/*
- * This function frees a directory list
- */
-static void free_dirlist(struct dir_list **list)
-{
-	struct dir_list *dp, *next;
-
-	for (dp = *list; dp; dp = next) {
-		next = dp->next;
-		free(dp->name);
-		free(dp);
-	}
-	*list = NULL;
-}
-
-void blkid__scan_dir(char *dirname, dev_t devno, struct dir_list **list,
-		     char **devname)
-{
-	DIR	*dir;
-	struct dirent *dp;
-	struct stat st;
-
-	if ((dir = opendir(dirname)) == NULL)
-		return;
-
-	while ((dp = readdir(dir)) != NULL) {
-#ifdef _DIRENT_HAVE_D_TYPE
-		if (dp->d_type != DT_UNKNOWN && dp->d_type != DT_BLK &&
-		    dp->d_type != DT_LNK && dp->d_type != DT_DIR)
-			continue;
-#endif
-		if (dp->d_name[0] == '.' &&
-		    ((dp->d_name[1] == 0) ||
-		     ((dp->d_name[1] == '.') && (dp->d_name[2] == 0))))
-			continue;
-
-		if (fstat_at(dirfd(dir), dirname, dp->d_name, &st, 0))
-			continue;
-
-		if (S_ISBLK(st.st_mode) && st.st_rdev == devno) {
-			*devname = blkid_strconcat(dirname, "/", dp->d_name);
-			DBG(DEBUG_DEVNO,
-			    printf("found 0x%llx at %s\n", (long long)devno,
-				   *devname));
-			break;
-		}
-
-		if (!list || !S_ISDIR(st.st_mode))
-			continue;
-
-		/* add subdirectory (but not symlink) to the list */
-#ifdef _DIRENT_HAVE_D_TYPE
-		if (dp->d_type == DT_LNK)
-			continue;
-		if (dp->d_type == DT_UNKNOWN)
-#endif
-		{
-			if (fstat_at(dirfd(dir), dirname, dp->d_name, &st, 1) ||
-			    !S_ISDIR(st.st_mode))
-				continue;	/* symlink or lstat() failed */
-		}
-
-		if (*dp->d_name == '.' || (
-#ifdef _DIRENT_HAVE_D_TYPE
-		    dp->d_type == DT_DIR &&
-#endif
-		    strcmp(dp->d_name, "shm") == 0))
-			/* ignore /dev/.{udev,mount,mdadm} and /dev/shm */
-			continue;
-
-		add_to_dirlist(dirname, dp->d_name, list);
-	}
-	closedir(dir);
-	return;
-}
-
-/* Directories where we will try to search for device numbers */
-static const char *devdirs[] = { "/devices", "/devfs", "/dev", NULL };
-
-/**
- * SECTION: misc
- * @title: Miscellaneous utils
- * @short_description: mix of various utils for low-level and high-level API
- */
-
-
-
-static char *scandev_devno_to_devpath(dev_t devno)
-{
-	struct dir_list *list = NULL, *new_list = NULL;
-	char *devname = NULL;
-	const char **dir;
-
-	/*
-	 * Add the starting directories to search in reverse order of
-	 * importance, since we are using a stack...
-	 */
-	for (dir = devdirs; *dir; dir++)
-		add_to_dirlist(*dir, NULL, &list);
-
-	while (list) {
-		struct dir_list *current = list;
-
-		list = list->next;
-		DBG(DEBUG_DEVNO, printf("directory %s\n", current->name));
-		blkid__scan_dir(current->name, devno, &new_list, &devname);
-		free(current->name);
-		free(current);
-		if (devname)
-			break;
-		/*
-		 * If we're done checking at this level, descend to
-		 * the next level of subdirectories. (breadth-first)
-		 */
-		if (list == NULL) {
-			list = new_list;
-			new_list = NULL;
-		}
-	}
-	free_dirlist(&list);
-	free_dirlist(&new_list);
-
-	return devname;
-}
-
-/**
- * blkid_devno_to_devname:
- * @devno: device number
- *
- * This function finds the pathname to a block device with a given
- * device number.
- *
- * Returns: a pointer to allocated memory to the pathname on success,
- * and NULL on failure.
- */
-char *blkid_devno_to_devname(dev_t devno)
-{
-	char *path = NULL;
-	char buf[PATH_MAX];
-
-	path = sysfs_devno_to_devpath(devno, buf, sizeof(buf));
-	if (path)
-		path = strdup(path);
-	if (!path)
-		path = scandev_devno_to_devpath(devno);
-
-	if (!path) {
-		DBG(DEBUG_DEVNO,
-		    printf("blkid: couldn't find devno 0x%04lx\n",
-			   (unsigned long) devno));
-	} else {
-		DBG(DEBUG_DEVNO,
-		    printf("found devno 0x%04llx as %s\n", (long long)devno, path));
-	}
-
-	return path;
-}
-
-
-/**
- * blkid_devno_to_wholedisk:
- * @dev: device number
- * @diskname: buffer to return diskname (or NULL)
- * @len: diskname buffer size (or 0)
- * @diskdevno: pointer to returns devno of entire disk (or NULL)
- *
- * This function uses sysfs to convert the @devno device number to the *name*
- * of the whole disk. The function DOES NOT return full device name. The @dev
- * argument could be partition or whole disk -- both is converted.
- *
- * For example: sda1, 0x0801 --> sda, 0x0800
- *
- * For conversion to the full disk *path* use blkid_devno_to_devname(), for
- * example:
- *
- * <informalexample>
- *  <programlisting>
- *
- *	dev_t dev = 0x0801, disk;		// sda1 = 8:1
- *	char *diskpath, diskname[32];
- *
- *	blkid_devno_to_wholedisk(dev, diskname, sizeof(diskname), &disk);
- *	diskpath = blkid_devno_to_devname(disk);
- *
- *	// print "0x0801: sda, /dev/sda, 8:0
- *	printf("0x%x: %s, %s, %d:%d\n",
- *		dev, diskname, diskpath, major(disk), minor(disk));
- *
- *	free(diskpath);
- *
- *  </programlisting>
- * </informalexample>
- *
- * Returns: 0 on success or -1 in case of error.
- */
-int blkid_devno_to_wholedisk(dev_t dev, char *diskname,
-			size_t len, dev_t *diskdevno)
-{
-	return sysfs_devno_to_wholedisk( dev, diskname, len, diskdevno);
-}
-
-/*
- * Returns 1 if the @major number is associated with @drvname.
- */
-int blkid_driver_has_major(const char *drvname, int major)
-{
-	FILE *f;
-	char buf[128];
-	int match = 0;
-
-	f = fopen(_PATH_PROC_DEVICES, "r");
-	if (!f)
-		return 0;
-
-	while (fgets(buf, sizeof(buf), f)) {	/* skip to block dev section */
-		if (strncmp("Block devices:\n", buf, sizeof(buf)) == 0)
-			break;
-	}
-
-	while (fgets(buf, sizeof(buf), f)) {
-		int maj;
-		char name[64 + 1];
-
-		if (sscanf(buf, "%d %64[^\n ]", &maj, name) != 2)
-			continue;
-
-		if (maj == major && strcmp(name, drvname) == 0) {
-			match = 1;
-			break;
-		}
-	}
-
-	fclose(f);
-
-	DBG(DEBUG_DEVNO, printf("major %d %s associated with '%s' driver\n",
-			major, match ? "is" : "is NOT", drvname));
-	return match;
-}
-
-
-#ifdef TEST_PROGRAM
-int main(int argc, char** argv)
-{
-	char	*devname, *tmp;
-	char	diskname[PATH_MAX];
-	int	major, minor;
-	dev_t	devno, disk_devno;
-	const char *errmsg = "Couldn't parse %s: %s\n";
-
-	blkid_init_debug(DEBUG_ALL);
-	if ((argc != 2) && (argc != 3)) {
-		fprintf(stderr, "Usage:\t%s device_number\n\t%s major minor\n"
-			"Resolve a device number to a device name\n",
-			argv[0], argv[0]);
-		exit(1);
-	}
-	if (argc == 2) {
-		devno = strtoul(argv[1], &tmp, 0);
-		if (*tmp) {
-			fprintf(stderr, errmsg, "device number", argv[1]);
-			exit(1);
-		}
-	} else {
-		major = strtoul(argv[1], &tmp, 0);
-		if (*tmp) {
-			fprintf(stderr, errmsg, "major number", argv[1]);
-			exit(1);
-		}
-		minor = strtoul(argv[2], &tmp, 0);
-		if (*tmp) {
-			fprintf(stderr, errmsg, "minor number", argv[2]);
-			exit(1);
-		}
-		devno = makedev(major, minor);
-	}
-	printf("Looking for device 0x%04llx\n", (long long)devno);
-	devname = blkid_devno_to_devname(devno);
-	free(devname);
-
-	printf("Looking for whole-device for 0x%04llx\n", (long long)devno);
-	if (blkid_devno_to_wholedisk(devno, diskname,
-				sizeof(diskname), &disk_devno) == 0)
-		printf("found devno 0x%04llx as /dev/%s\n", (long long) disk_devno, diskname);
-
-	return 0;
-}
-#endif