'\" t .\" Title: upscli_readline .\" Author: [FIXME: author] [see http://docbook.sf.net/el/author] .\" Generator: DocBook XSL Stylesheets v1.78.1 .\" Date: 03/02/2016 .\" Manual: NUT Manual .\" Source: Network UPS Tools 2.7.3.1 .\" Language: English .\" .TH "UPSCLI_READLINE" "3" "03/02/2016" "Network UPS Tools 2\&.7\&.3\&." "NUT Manual" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NAME" upscli_readline \- read a single response from a UPS .SH "SYNOPSIS" .sp .nf #include .fi .sp .nf int upscli_readline(UPSCONN_t *ups, char *buf, size_t buflen); .fi .SH "DESCRIPTION" .sp The \fBupscli_readline()\fR function takes the pointer \fIups\fR to a UPSCONN_t state structure, receives a single line from the server, and copies up to \fIbuflen\fR bytes of the response into the buffer \fIbuf\fR\&. .sp Some parsing of the string occurs during reception\&. In particular, ERR messages from \fBupsd\fR(8) are detected and will cause this function to return \-1\&. .SH "RETURN VALUE" .sp The \fBupscli_readline()\fR function returns 0 on success, or \-1 if an error occurs\&. .SH "SEE ALSO" .sp \fBupscli_fd\fR(3), \fBupscli_get\fR(3), \fBupscli_readline\fR(3), \fBupscli_sendline\fR(3), \fBupscli_ssl\fR(3), \fBupscli_strerror\fR(3), \fBupscli_upserror\fR(3)