From: Masatake YAMATO <yamato@redhat.com>
Date: Sun, 9 May 2021 02:36:07 +0000 (+0900)
Subject: lsfd: add a stub for fifo type
X-Git-Tag: v2.38-rc1~144^2~135
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=5bced64c6645c5e427ffa152704ea7d97203cd85;p=thirdparty%2Futil-linux.git

lsfd: add a stub for fifo type
---

diff --git a/misc-utils/Makemodule.am b/misc-utils/Makemodule.am
index 4c980cf707..403782c24d 100644
--- a/misc-utils/Makemodule.am
+++ b/misc-utils/Makemodule.am
@@ -256,7 +256,8 @@ lsfd_SOURCES = \
 	misc-utils/lsfd-cdev.c \
 	misc-utils/lsfd-bdev.c \
 	misc-utils/lsfd-sock.c \
-	misc-utils/lsfd-unkn.c
+	misc-utils/lsfd-unkn.c \
+	misc-utils/lsfd-fifo.c
 lsfd_LDADD = $(LDADD) libsmartcols.la libcommon.la
 lsfd_LDFLAGS =  -pthread
 lsfd_CFLAGS = $(AM_CFLAGS) -I$(ul_libsmartcols_incdir) -pthread
diff --git a/misc-utils/lsfd-fifo.c b/misc-utils/lsfd-fifo.c
new file mode 100644
index 0000000000..2e858e8f9c
--- /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 __attribute__((__unused__)),
+			     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;
+	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;
+}
+
+struct file *make_fifo(const struct file_class *class,
+		       struct stat *sb, const char *name, int fd)
+{
+	return make_file(class? class: &fifo_class,
+			 sb, name, fd);
+}
+
+const struct file_class fifo_class = {
+	.super = &file_class,
+	.size = sizeof(struct file),
+	.fill_column = fifo_fill_column,
+	.free_content = NULL,
+};
diff --git a/misc-utils/lsfd.c b/misc-utils/lsfd.c
index f0e61b0d44..8204ca486b 100644
--- a/misc-utils/lsfd.c
+++ b/misc-utils/lsfd.c
@@ -348,9 +348,10 @@ static struct file *collect_file(struct proc *proc,
 		return make_bdev(NULL, sb, name, assoc);
 	case S_IFSOCK:
 		return make_sock(NULL, sb, name, assoc, proc);
+	case S_IFIFO:
+		return make_fifo(NULL, sb, name, assoc);
 	case S_IFLNK:
 	case S_IFREG:
-	case S_IFIFO:
 	case S_IFDIR:
 		return make_file(NULL, sb, name, assoc);
 	default:
diff --git a/misc-utils/lsfd.h b/misc-utils/lsfd.h
index 24a63c0048..6f4e5d840d 100644
--- a/misc-utils/lsfd.h
+++ b/misc-utils/lsfd.h
@@ -137,7 +137,7 @@ struct file_class {
 	void (*free_content)(struct file *file);
 };
 
-extern const struct file_class file_class, cdev_class, bdev_class, sock_class, unkn_class;
+extern const struct file_class file_class, cdev_class, bdev_class, sock_class, unkn_class, fifo_class;
 
 struct file *make_file(const struct file_class *class,
 		       struct stat *sb, const char *name, int association);
@@ -150,6 +150,8 @@ struct file *make_sock(const struct file_class *class,
 		       struct proc *proc);
 struct file *make_unkn(const struct file_class *class,
 		       struct stat *sb, const char *name, int fd);
+struct file *make_fifo(const struct file_class *class,
+		       struct stat *sb, const char *name, int fd);
 
 /*
  * Name managing