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📄 Makefile.am(1.9 KB)
📄 add.man.in(523 B)
📄 gen-wide.sh(1.01 KB)
📄 libxo.3(8.18 KB)
📄 libxo.c(205.77 KB)
📄 xo.h(18.36 KB)
📄 xo_attr.3(1.88 KB)
📄 xo_buf.h(3.54 KB)
📄 xo_create.3(1.59 KB)
📄 xo_emit.3(2.92 KB)
📄 xo_emit_err.3(2 KB)
📄 xo_emit_f.3(3.27 KB)
📄 xo_encoder.c(8.97 KB)
📄 xo_encoder.h(5.46 KB)
📄 xo_err.3(1.97 KB)
📄 xo_error.3(1.06 KB)
📄 xo_explicit.h(2.1 KB)
📄 xo_finish.3(1.05 KB)
📄 xo_flush.3(1.01 KB)
📄 xo_format.5(33.64 KB)
📄 xo_humanize.h(5.02 KB)
📄 xo_message.3(2.02 KB)
📄 xo_no_setlocale.3(1.12 KB)
📄 xo_open_container.3(4.85 KB)
📄 xo_open_list.3(4.77 KB)
📄 xo_open_marker.3(3.22 KB)
📄 xo_options.7(4.06 KB)
📄 xo_parse_args.3(3.77 KB)
📄 xo_set_allocator.3(1.33 KB)
📄 xo_set_flags.3(3.48 KB)
📄 xo_set_info.3(2.61 KB)
📄 xo_set_options.3(944 B)
📄 xo_set_style.3(1.47 KB)
📄 xo_set_syslog_enterprise_id.3(1.06 KB)
📄 xo_set_version.3(1.09 KB)
📄 xo_set_writer.3(1.48 KB)
📄 xo_syslog.3(2.32 KB)
📄 xo_syslog.c(19.3 KB)
📄 xo_wcwidth.h(13.69 KB)

Editing: xo_attr.3

.\" #
.\" # Copyright (c) 2014, Juniper Networks, Inc.
.\" # All rights reserved.
.\" # This SOFTWARE is licensed under the LICENSE provided in the
.\" # ../Copyright file. By downloading, installing, copying, or 
.\" # using the SOFTWARE, you agree to be bound by the terms of that
.\" # LICENSE.
.\" # Phil Shafer, July 2014
.\" 
.Dd July, 2014
.Dt LIBXO 3
.Os
.Sh NAME
.Nm xo_attr , xo_attr_h , xo_attr_hv
.Nd Add attribute name/value pairs to formatted output
.Sh LIBRARY
.Lb libxo
.Sh SYNOPSIS
.In libxo/xo.h
.Ft xo_ssize_t
.Fn xo_attr "const char *name" "const char *fmt" "..."
.Ft xo_ssize_t
.Fn xo_attr_h "xo_handle_t *handle" "const char *name, const char *fmt" "..."
.Ft xo_ssize_t
.Fn xo_attr_hv "xo_handle_t *handle" "const char *name" "const char *fmt" "va_list vap"
.Sh DESCRIPTION
The
.Fn xo_attr
function emits attributes for the XML output style.  The attribute
value is recorded in the
.Fa handle
and is attached to the next field that is emitted via a
.Xr xo_emit 3
call.
.Pp
The
.Fa name
parameter give the name of the attribute to be encoded.  The
.Fa fmt
parameter gives a printf-style format string used to format the
value of the attribute using any remaining arguments, or the
.Fa vap
parameter as passed to
.Fn xo_attr_hv .
.Bd -literal -offset indent
    EXAMPLE:
      xo_attr("seconds", "%ld", (unsigned long) login_time);
      struct tm *tmp = localtime(login_time);
      strftime(buf, sizeof(buf), "%R", tmp);
      xo_emit("Logged in at {:login-time}\\n", buf);
    XML:
        <login-time seconds="1408336270">00:14</login-time>
.Ed
.Pp
Since attributes are only emitted in XML, their use should be limited
to meta-data and additional or redundant representations of data
already emitted in other form.
.Sh SEE ALSO
.Xr xo_emit 3 ,
.Xr libxo 3
.Sh HISTORY
The
.Nm libxo
library first appeared in
.Fx 11.0 .
.Sh AUTHORS
.Nm libxo
was written by
.An Phil Shafer Aq Mt phil@freebsd.org .

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