emo/busybox
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Run through indent, fix comments

Browse Source
This commit is contained in:
Glenn L McGrath
2002-08-22 18:41:20 +00:00
parent 7c58e9be69
commit 9fef17dec3
7 changed files with 4216 additions and 4216 deletions
Download Patch File Download Diff File Expand all files Collapse all files

230
util-linux/mount.c
View File

@@ -54,24 +54,24 @@
#include <ctype.h>
#include "busybox.h"
#if defined CONFIG_FEATURE_USE_DEVPS_PATCH
# include <linux/devmtab.h> /* For Erik's nifty devmtab device driver */
# include <linux/devmtab.h> /* For Erik's nifty devmtab device driver */
#endif
enum {
MS_MGC_VAL = 0xc0ed0000, /* Magic number indicatng "new" flags */
MS_RDONLY = 1, /* Mount read-only */
MS_NOSUID = 2, /* Ignore suid and sgid bits */
MS_NODEV = 4, /* Disallow access to device special files */
MS_NOEXEC = 8, /* Disallow program execution */
MS_SYNCHRONOUS = 16, /* Writes are synced at once */
MS_REMOUNT = 32, /* Alter flags of a mounted FS */
MS_MANDLOCK = 64, /* Allow mandatory locks on an FS */
S_QUOTA = 128, /* Quota initialized for file/directory/symlink */
S_APPEND = 256, /* Append-only file */
S_IMMUTABLE = 512, /* Immutable file */
MS_NOATIME = 1024, /* Do not update access times. */
MS_NODIRATIME = 2048, /* Do not update directory access times */
MS_BIND = 4096, /* Use the new linux 2.4.x "mount --bind" feature */
MS_MGC_VAL = 0xc0ed0000, /* Magic number indicatng "new" flags */
MS_RDONLY = 1, /* Mount read-only */
MS_NOSUID = 2, /* Ignore suid and sgid bits */
MS_NODEV = 4, /* Disallow access to device special files */
MS_NOEXEC = 8, /* Disallow program execution */
MS_SYNCHRONOUS = 16, /* Writes are synced at once */
MS_REMOUNT = 32, /* Alter flags of a mounted FS */
MS_MANDLOCK = 64, /* Allow mandatory locks on an FS */
S_QUOTA = 128, /* Quota initialized for file/directory/symlink */
S_APPEND = 256, /* Append-only file */
S_IMMUTABLE = 512, /* Immutable file */
MS_NOATIME = 1024, /* Do not update access times. */
MS_NODIRATIME = 2048, /* Do not update directory access times */
MS_BIND = 4096, /* Use the new linux 2.4.x "mount --bind" feature */
};
@@ -81,13 +81,13 @@ enum {
static int use_loop = FALSE;
#endif
extern int mount (__const char *__special_file, __const char *__dir,
__const char *__fstype, unsigned long int __rwflag,
__const void *__data);
extern int umount (__const char *__special_file);
extern int umount2 (__const char *__special_file, int __flags);
extern int mount(__const char *__special_file, __const char *__dir,
__const char *__fstype, unsigned long int __rwflag,
__const void *__data);
extern int umount(__const char *__special_file);
extern int umount2(__const char *__special_file, int __flags);
extern int sysfs( int option, unsigned int fs_index, char * buf);
extern int sysfs(int option, unsigned int fs_index, char *buf);
extern const char mtab_file[]; /* Defined in utility.c */
@@ -125,16 +125,16 @@ do_mount(char *specialfile, char *dir, char *filesystemtype,
char *mtab_opts, int mount_all)
{
int status = 0;
#if defined CONFIG_FEATURE_MOUNT_LOOP
char *lofile = NULL;
#endif
if (! fakeIt)
{
if (!fakeIt) {
#if defined CONFIG_FEATURE_MOUNT_LOOP
if (use_loop==TRUE) {
if (use_loop == TRUE) {
int loro = flags & MS_RDONLY;
lofile = specialfile;
specialfile = find_unused_loop_device();
@@ -152,8 +152,10 @@ do_mount(char *specialfile, char *dir, char *filesystemtype,
#endif
status = mount(specialfile, dir, filesystemtype, flags, string_flags);
if (status < 0 && errno == EROFS) {
error_msg("%s is write-protected, mounting read-only", specialfile);
status = mount(specialfile, dir, filesystemtype, flags |= MS_RDONLY, string_flags);
error_msg("%s is write-protected, mounting read-only",
specialfile);
status = mount(specialfile, dir, filesystemtype, flags |=
MS_RDONLY, string_flags);
}
/* Don't whine about already mounted filesystems when mounting all. */
if (status < 0 && errno == EBUSY && mount_all)
@@ -162,11 +164,11 @@ do_mount(char *specialfile, char *dir, char *filesystemtype,
/* If the mount was sucessful, do anything needed, then return TRUE */
if (status == 0 || fakeIt==TRUE) {
if (status == 0 || fakeIt == TRUE) {
#if defined CONFIG_FEATURE_MTAB_SUPPORT
if (useMtab) {
erase_mtab(specialfile); // Clean any stale entries
erase_mtab(specialfile); /* Clean any stale entries */
write_mtab(specialfile, dir, filesystemtype, flags, mtab_opts);
}
#endif
@@ -190,13 +192,12 @@ do_mount(char *specialfile, char *dir, char *filesystemtype,
static void paste_str(char **s1, const char *s2)
{
*s1 = xrealloc(*s1, strlen(*s1)+strlen(s2)+1);
*s1 = xrealloc(*s1, strlen(*s1) + strlen(s2) + 1);
strcat(*s1, s2);
}
/* Seperate standard mount options from the nonstandard string options */
static void
parse_mount_options(char *options, int *flags, char **strflags)
static void parse_mount_options(char *options, int *flags, char **strflags)
{
while (options) {
int gotone = FALSE;
@@ -217,13 +218,13 @@ parse_mount_options(char *options, int *flags, char **strflags)
f++;
}
#if defined CONFIG_FEATURE_MOUNT_LOOP
if (!strcasecmp("loop", options)) { /* loop device support */
if (!strcasecmp("loop", options)) { /* loop device support */
use_loop = TRUE;
gotone = TRUE;
}
#endif
if (! gotone) {
if (**strflags) /* have previous parsed options */
if (!gotone) {
if (**strflags) /* have previous parsed options */
paste_str(strflags, ",");
paste_str(strflags, options);
}
@@ -245,81 +246,85 @@ mount_one(char *blockDevice, char *directory, char *filesystemType,
#if defined CONFIG_FEATURE_USE_DEVPS_PATCH
if (strcmp(filesystemType, "auto") == 0) {
static const char *noauto_array[] = { "tmpfs", "shm", "proc", "ramfs", "devpts", "devfs", "usbdevfs", 0 };
static const char *noauto_array[] =
{ "tmpfs", "shm", "proc", "ramfs", "devpts", "devfs", "usbdevfs",
0 };
const char **noauto_fstype;
const int num_of_filesystems = sysfs(3, 0, 0);
char buf[255];
int i=0;
int i = 0;
filesystemType=buf;
filesystemType = buf;
while(i < num_of_filesystems) {
while (i < num_of_filesystems) {
sysfs(2, i++, filesystemType);
for (noauto_fstype = noauto_array; *noauto_fstype; noauto_fstype++) {
for (noauto_fstype = noauto_array; *noauto_fstype;
noauto_fstype++) {
if (!strcmp(filesystemType, *noauto_fstype)) {
break;
}
}
if (!*noauto_fstype) {
status = do_mount(blockDevice, directory, filesystemType,
flags | MS_MGC_VAL, string_flags,
useMtab, fakeIt, mtab_opts, mount_all);
flags | MS_MGC_VAL, string_flags,
useMtab, fakeIt, mtab_opts, mount_all);
if (status)
break;
}
}
}
}
#else
if (strcmp(filesystemType, "auto") == 0) {
char buf[255];
FILE *f;
int read_proc = 0;
f = fopen ( "/etc/filesystems", "r" );
if ( f ) {
while ( fgets ( buf, sizeof( buf ), f )) {
if ( *buf == '*' )
f = fopen("/etc/filesystems", "r");
if (f) {
while (fgets(buf, sizeof(buf), f)) {
if (*buf == '*')
read_proc = 1;
else if ( *buf == '#' )
else if (*buf == '#')
continue;
else {
filesystemType = buf;
// Add NULL termination to each line
while (*filesystemType && !isspace ( *filesystemType ))
/* Add NULL termination to each line */
while (*filesystemType && !isspace(*filesystemType))
filesystemType++;
*filesystemType = '\0';
filesystemType = buf;
if ( xstrlen ( filesystemType )) {
status = do_mount(blockDevice, directory, filesystemType,
flags | MS_MGC_VAL, string_flags,
useMtab, fakeIt, mtab_opts, mount_all);
if (xstrlen(filesystemType)) {
status =
do_mount(blockDevice, directory, filesystemType,
flags | MS_MGC_VAL, string_flags,
useMtab, fakeIt, mtab_opts, mount_all);
if (status)
break;
}
}
}
fclose ( f );
}
fclose(f);
}
if (( !f || read_proc ) && !status ) {
if ((!f || read_proc) && !status) {
f = xfopen("/proc/filesystems", "r");
while (fgets(buf, sizeof(buf), f) != NULL) {
filesystemType = buf;
if (*filesystemType == '\t') { // Not a nodev filesystem
// Add NULL termination to each line
if (*filesystemType == '\t') { /* Not a nodev filesystem */
/* Add NULL termination to each line */
while (*filesystemType && *filesystemType != '\n')
filesystemType++;
*filesystemType = '\0';
filesystemType = buf;
filesystemType++; // hop past tab
filesystemType++; /* hop past tab */
status = do_mount(blockDevice, directory, filesystemType,
flags | MS_MGC_VAL, string_flags,
@@ -334,11 +339,11 @@ mount_one(char *blockDevice, char *directory, char *filesystemType,
#endif
else {
status = do_mount(blockDevice, directory, filesystemType,
flags | MS_MGC_VAL, string_flags, useMtab,
fakeIt, mtab_opts, mount_all);
flags | MS_MGC_VAL, string_flags, useMtab,
fakeIt, mtab_opts, mount_all);
}
if (! status) {
if (!status) {
if (whineOnErrors) {
perror_msg("Mounting %s on %s failed", blockDevice, directory);
}
@@ -354,34 +359,35 @@ static void show_mounts(char *onlytype)
char device[] = "/dev/mtab";
struct k_mntent *mntentlist;
/* open device */
/* open device */
fd = open(device, O_RDONLY);
if (fd < 0)
perror_msg_and_die("open failed for `%s'", device);
/* How many mounted filesystems? We need to know to
* allocate enough space for later... */
numfilesystems = ioctl (fd, DEVMTAB_COUNT_MOUNTS);
if (numfilesystems<0)
perror_msg_and_die( "\nDEVMTAB_COUNT_MOUNTS");
mntentlist = (struct k_mntent *) xcalloc ( numfilesystems, sizeof(struct k_mntent));
/* Grab the list of mounted filesystems */
if (ioctl (fd, DEVMTAB_GET_MOUNTS, mntentlist)<0)
perror_msg_and_die( "\nDEVMTAB_GET_MOUNTS");
numfilesystems = ioctl(fd, DEVMTAB_COUNT_MOUNTS);
if (numfilesystems < 0)
perror_msg_and_die("\nDEVMTAB_COUNT_MOUNTS");
mntentlist =
(struct k_mntent *) xcalloc(numfilesystems, sizeof(struct k_mntent));
for( i = 0 ; i < numfilesystems ; i++) {
if ( !onlytype || ( strcmp ( mntentlist[i].mnt_type, onlytype ) == 0 )) {
printf( "%s %s %s %s %d %d\n", mntentlist[i].mnt_fsname,
mntentlist[i].mnt_dir, mntentlist[i].mnt_type,
mntentlist[i].mnt_opts, mntentlist[i].mnt_freq,
mntentlist[i].mnt_passno);
/* Grab the list of mounted filesystems */
if (ioctl(fd, DEVMTAB_GET_MOUNTS, mntentlist) < 0)
perror_msg_and_die("\nDEVMTAB_GET_MOUNTS");
for (i = 0; i < numfilesystems; i++) {
if (!onlytype || (strcmp(mntentlist[i].mnt_type, onlytype) == 0)) {
printf("%s %s %s %s %d %d\n", mntentlist[i].mnt_fsname,
mntentlist[i].mnt_dir, mntentlist[i].mnt_type,
mntentlist[i].mnt_opts, mntentlist[i].mnt_freq,
mntentlist[i].mnt_passno);
}
}
#ifdef CONFIG_FEATURE_CLEAN_UP
/* Don't bother to close files or free memory. Exit
* does that automagically, so we can save a few bytes */
free( mntentlist);
free(mntentlist);
close(fd);
#endif
exit(EXIT_SUCCESS);
@@ -393,15 +399,16 @@ static void show_mounts(char *onlytype)
while ((m = getmntent(mountTable)) != 0) {
char *blockDevice = m->mnt_fsname;
if (strcmp(blockDevice, "/dev/root") == 0) {
blockDevice = find_real_root_device_name(blockDevice);
}
if ( !onlytype || ( strcmp ( m-> mnt_type, onlytype ) == 0 )) {
if (!onlytype || (strcmp(m->mnt_type, onlytype) == 0)) {
printf("%s on %s type %s (%s)\n", blockDevice, m->mnt_dir,
m->mnt_type, m->mnt_opts);
}
#ifdef CONFIG_FEATURE_CLEAN_UP
if(blockDevice != m->mnt_fsname)
if (blockDevice != m->mnt_fsname)
free(blockDevice);
#endif
}
@@ -459,7 +466,7 @@ extern int mount_main(int argc, char **argv)
break;
#endif
case 'v':
break; /* ignore -v */
break; /* ignore -v */
}
}
@@ -470,6 +477,7 @@ extern int mount_main(int argc, char **argv)
/* if device is a filename get its real path */
if (stat(argv[optind], &statbuf) == 0) {
char *tmp = simplify_path(argv[optind]);
safe_strncpy(device, tmp, PATH_MAX);
} else {
safe_strncpy(device, argv[optind], PATH_MAX);
@@ -483,59 +491,61 @@ extern int mount_main(int argc, char **argv)
f = setmntent("/etc/fstab", "r");
if (f == NULL)
perror_msg_and_die( "\nCannot read /etc/fstab");
perror_msg_and_die("\nCannot read /etc/fstab");
while ((m = getmntent(f)) != NULL) {
if (! all && optind + 1 == argc && (
(strcmp(device, m->mnt_fsname) != 0) &&
(strcmp(device, m->mnt_dir) != 0) ) ) {
if (!all && optind + 1 == argc && ((strcmp(device, m->mnt_fsname)
!= 0)
&& (strcmp(device, m->mnt_dir)
!= 0))) {
continue;
}
if (all && ( // If we're mounting 'all'
(strstr(m->mnt_opts, "noauto")) || // and the file system isn't noauto,
(strstr(m->mnt_type, "swap")) || // and isn't swap or nfs, then mount it
(strstr(m->mnt_type, "nfs")) ) ) {
if (all && ( /* If we're mounting 'all' */
(strstr(m->mnt_opts, "noauto")) || /* and the file system isn't noauto, */
(strstr(m->mnt_type, "swap")) || /* and isn't swap or nfs, then mount it */
(strstr(m->mnt_type, "nfs")))) {
continue;
}
if (all || flags == 0) { // Allow single mount to override fstab flags
if (all || flags == 0) { /* Allow single mount to override fstab flags */
flags = 0;
string_flags[0] = 0;
parse_mount_options(m->mnt_opts, &flags, &string_flags);
}
strcpy(device, m->mnt_fsname);
strcpy(directory, m->mnt_dir);
filesystemType = xstrdup(m->mnt_type);
singlemount:
singlemount:
extra_opts = string_flags;
rc = EXIT_SUCCESS;
#ifdef CONFIG_NFSMOUNT
if (strchr(device, ':') != NULL) {
filesystemType = "nfs";
if (nfsmount (device, directory, &flags, &extra_opts,
&string_flags, 1)) {
if (nfsmount(device, directory, &flags, &extra_opts,
&string_flags, 1)) {
perror_msg("nfsmount failed");
rc = EXIT_FAILURE;
}
}
#endif
if (!mount_one(device, directory, filesystemType, flags,
string_flags, useMtab, fakeIt, extra_opts, TRUE, all))
string_flags, useMtab, fakeIt, extra_opts, TRUE,
all))
rc = EXIT_FAILURE;
if (! all)
if (!all)
break;
}
if (f)
endmntent(f);
if (! all && f && m == NULL)
if (!all && f && m == NULL)
fprintf(stderr, "Can't find %s in /etc/fstab\n", device);
return rc;
}
goto singlemount;
}