xref: /titanic_41/usr/src/man/man3c/putspent.3c (revision 0a47c91c895e274dd0990009919e30e984364a8b)
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Copyright 1989 AT&T
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PUTSPENT 3C "Jan 23, 2008"
NAME
putspent - write shadow password file entry
SYNOPSIS

#include <shadow.h>

int putspent(const struct spwd *p, FILE *fp);
DESCRIPTION

The putspent() function is the inverse of getspent(). See getspnam(3C). Given a pointer to a spwd structure created by getspent() or getspnam(), putspent() writes a line on the stream fp that matches the format of /etc/shadow.

The spwd structure contains the following members:

char *sp_namp;
char *sp_pwdp;
int sp_lstchg;
int sp_min;
int sp_max;
int sp_warn;
int sp_inact;
int sp_expire;
unsigned int sp_flag;

If the sp_min, sp_max, sp_lstchg, sp_warn, sp_inact, or sp_expire member of the spwd structure is -1, or if sp_flag is 0, the corresponding /etc/shadow field is cleared.

RETURN VALUES

The putspent() function returns a non-zero value if an error was detected during its operation. Otherwise, it returns 0.

USAGE

Since this function is for internal use only, compatibility is not guaranteed. For this reason, its use is discouraged. If used at all, if should be used with putpwent(3C) to update the password file.

ATTRIBUTES

See attributes(5) for descriptions of the following attributes:

ATTRIBUTE TYPE ATTRIBUTE VALUE
MT-Level Unsafe
SEE ALSO

getpwnam(3C), getspnam(3C), putpwent(3C), attributes(5)