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/*
* lsfd-fifo.c - handle associations opening fifo objects
*
* Copyright (C) 2021 Red Hat, Inc. All rights reserved.
* Written by Masatake YAMATO <yamato@redhat.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it would be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "xalloc.h"
#include "nls.h"
#include "libsmartcols.h"
#include "lsfd.h"
static bool fifo_fill_column(struct proc *proc __attribute__((__unused__)),
struct file *file,
struct libscols_line *ln,
int column_id,
size_t column_index)
{
char *str = NULL;
switch(column_id) {
case COL_TYPE:
if (scols_line_set_data(ln, column_index, "FIFO"))
err(EXIT_FAILURE, _("failed to add output data"));
return true;
case COL_SOURCE:
if (major(file->stat.st_dev) == 0
&& strncmp(file->name, "pipe:", 5) == 0) {
str = strdup("pipefs");
break;
}
return false;
default:
return false;
}
if (!str)
err(EXIT_FAILURE, _("failed to add output data"));
if (scols_line_refer_data(ln, column_index, str))
err(EXIT_FAILURE, _("failed to add output data"));
return true;
}
const struct file_class fifo_class = {
.super = &file_class,
.size = sizeof(struct file),
.fill_column = fifo_fill_column,
.free_content = NULL,
};
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