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If / block device as in /etc/fstab does not exist, use /dev/root if it's available in checkroot, #171593.

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This commit is contained in:
Roy Marples
2007-10-11 09:49:54 +00:00
parent 07c8f8cfde
commit 64d1dd9da0
3 changed files with 29 additions and 12 deletions
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25
src/fstabinfo.c
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@@ -24,7 +24,7 @@
#define GET_ENT getmntent (fp)
#define GET_ENT_FILE(_name) getmntfile (_name)
#define END_ENT endmntent (fp)
#define ENT_DEVICE(_ent) ent->mnt_fsname
#define ENT_BLOCKDEVICE(_ent) ent->mnt_fsname
#define ENT_FILE(_ent) ent->mnt_dir
#define ENT_TYPE(_ent) ent->mnt_type
#define ENT_OPTS(_ent) ent->mnt_opts
@@ -36,7 +36,7 @@
#define GET_ENT getfsent ()
#define GET_ENT_FILE(_name) getfsfile (_name)
#define END_ENT endfsent ()
#define ENT_DEVICE(_ent) ent->fs_spec
#define ENT_BLOCKDEVICE(_ent) ent->fs_spec
#define ENT_TYPE(_ent) ent->fs_vfstype
#define ENT_FILE(_ent) ent->fs_file
#define ENT_OPTS(_ent) ent->fs_mntops
@@ -65,17 +65,19 @@ static struct mntent *getmntfile (const char *file)
#endif
#include "_usage.h"
#define getoptstring "mop:t:" getoptstring_COMMON
#define getoptstring "bmop:t:" getoptstring_COMMON
static struct option longopts[] = {
{ "options", 0, NULL, 'o'},
{ "passno", 1, NULL, 'p'},
{ "fstype", 1, NULL, 't'},
{ "blockdevice", 0, NULL, 'b' },
{ "options", 0, NULL, 'o' },
{ "passno", 1, NULL, 'p' },
{ "fstype", 1, NULL, 't' },
longopts_COMMON
};
static const char * const longopts_help[] = {
"Extract the block device",
"Extract the options field",
"Extract the pass number field",
"Extract the file system type",
"Extract or query the pass number field",
"List entries with matching file system type",
longopts_help_COMMON
};
#include "_usage.c"
@@ -83,6 +85,7 @@ static const char * const longopts_help[] = {
#define OUTPUT_FILE (1 << 1)
#define OUTPUT_OPTIONS (1 << 3)
#define OUTPUT_PASSNO (1 << 4)
#define OUTPUT_BLOCKDEV (1 << 5)
int fstabinfo (int argc, char **argv)
{
@@ -105,6 +108,9 @@ int fstabinfo (int argc, char **argv)
longopts, (int *) 0)) != -1)
{
switch (opt) {
case 'b':
output = OUTPUT_BLOCKDEV;
break;
case 'o':
output = OUTPUT_OPTIONS;
break;
@@ -177,6 +183,9 @@ int fstabinfo (int argc, char **argv)
continue;
switch (output) {
case OUTPUT_BLOCKDEV:
printf ("%s\n", ENT_BLOCKDEVICE (ent));
break;
case OUTPUT_OPTIONS:
printf ("%s\n", ENT_OPTS (ent));
break;