openpam_readline(3) - NetBSD Manual Pages

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OPENPAM_READLINE(3)     NetBSD Library Functions Manual    OPENPAM_READLINE(3)


NAME

     openpam_readline -- read a line from a file


SYNOPSIS

     #include <sys/types.h>
     #include <stdio.h>
     #include <security/pam_appl.h>
     #include <security/openpam.h>

     char *
     openpam_readline(FILE *f, int *lineno, size_t *lenp);


DESCRIPTION

     This function is deprecated and may be removed in a future release with-
     out further warning.  The openpam_readlinev() function may be used to
     achieve similar results.

     The openpam_readline() function reads a line from a file, and returns it
     in a NUL-terminated buffer allocated with malloc(3).

     The openpam_readline() function performs a certain amount of processing
     on the data it reads:

     ·   Comments (introduced by a hash sign) are stripped.

     ·   Blank lines are ignored.

     ·   If a line ends in a backslash, the backslash is stripped and the next
         line is appended.

     If lineno is not NULL, the integer variable it points to is incremented
     every time a newline character is read.

     If lenp is not NULL, the length of the line (not including the terminat-
     ing NUL character) is stored in the variable it points to.

     The caller is responsible for releasing the returned buffer by passing it
     to free(3).


RETURN VALUES

     The openpam_readline() function returns NULL on failure.


SEE ALSO

     openpam_readlinev(3), openpam_readword(3), pam(3)


STANDARDS

     The openpam_readline() function is an OpenPAM extension.


AUTHORS

     The openpam_readline() function and this manual page were developed for
     the FreeBSD Project by ThinkSec AS and Network Associates Laboratories,
     the Security Research Division of Network Associates, Inc. under
     DARPA/SPAWAR contract N66001-01-C-8035 (``CBOSS''), as part of the DARPA
     CHATS research program.

     The OpenPAM library is maintained by Dag-Erling Smørgrav <des@des.no>.

NetBSD 8.2                      April 30, 2017                      NetBSD 8.2