05-09-2013
I have seen earlier that patching causes the /etc/fstab to be empty , some cases like when updating VMware tool etc, also causes /etc/fstab to empty (not empty but I think it causes to something default),
-so in the implementation plan to put one line to keep a backup copy of the /etc/fstab before activity start , and to check and copy back original /etc/fstab before reboot.
Hope this helps..
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LEARN ABOUT BSD
getfsspec
GETFSENT(3) Library Functions Manual GETFSENT(3)
NAME
getfsent, getfsspec, getfsfile, getfstype, setfsent, endfsent - get file system descriptor file entry
SYNOPSIS
#include <fstab.h>
struct fstab *getfsent()
struct fstab *getfsspec(spec)
char *spec;
struct fstab *getfsfile(file)
char *file;
struct fstab *getfstype(type)
char *type;
int setfsent()
int endfsent()
DESCRIPTION
Getfsent, getfsspec, getfstype, and getfsfile each return a pointer to an object with the following structure containing the broken-out
fields of a line in the file system description file, <fstab.h>.
struct fstab {
char *fs_spec;
char *fs_file;
char *fs_type;
int fs_freq;
int fs_passno;
};
The fields have meanings described in fstab(5).
Getfsent reads the next line of the file, opening the file if necessary.
Setfsent opens and rewinds the file.
Endfsent closes the file.
Getfsspec and getfsfile sequentially search from the beginning of the file until a matching special file name or file system file name is
found, or until EOF is encountered. Getfstype does likewise, matching on the file system type field.
FILES
/etc/fstab
SEE ALSO
fstab(5)
DIAGNOSTICS
Null pointer (0) returned on EOF or error.
BUGS
All information is contained in a static area so it must be copied if it is to be saved.
4th Berkeley Distribution May 12, 1986 GETFSENT(3)