diff options
Diffstat (limited to 'misc-utils/lsfd-fifo.c')
-rw-r--r-- | misc-utils/lsfd-fifo.c | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/misc-utils/lsfd-fifo.c b/misc-utils/lsfd-fifo.c new file mode 100644 index 0000000..63eb18c --- /dev/null +++ b/misc-utils/lsfd-fifo.c @@ -0,0 +1,64 @@ +/* + * 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, +}; |