From 1422fe3fb6fa927e63cf9e9829f7e81ae08909b5 Mon Sep 17 00:00:00 2001
From: David McCullough <davidm@snapgear.com>
Date: Thu, 17 Jan 2002 05:39:44 +0000
Subject: Added insque/remque support
---
libc/misc/Makefile | 2 +-
libc/misc/insremque/Makefile | 43 ++++++++++++++++++++++++++++++++++++
libc/misc/insremque/insremque.c | 48 +++++++++++++++++++++++++++++++++++++++++
3 files changed, 92 insertions(+), 1 deletion(-)
create mode 100644 libc/misc/insremque/Makefile
create mode 100644 libc/misc/insremque/insremque.c
(limited to 'libc/misc')
diff --git a/libc/misc/Makefile b/libc/misc/Makefile
index 2a43c9f2f..cd562d643 100644
--- a/libc/misc/Makefile
+++ b/libc/misc/Makefile
@@ -26,7 +26,7 @@ include $(TOPDIR)Rules.mak
DIRS = assert ctype dirent file fnmatch glob internals lsearch \
- mntent syslog time utmp tsearch locale sysvipc statfs
+ mntent syslog time utmp tsearch locale sysvipc statfs insremque
ifeq ($(strip $(INCLUDE_REGEX)),true)
DIRS += regex
endif
diff --git a/libc/misc/insremque/Makefile b/libc/misc/insremque/Makefile
new file mode 100644
index 000000000..c8d82dc91
--- /dev/null
+++ b/libc/misc/insremque/Makefile
@@ -0,0 +1,43 @@
+# Makefile for uClibc
+#
+# Copyright (C) 2000 by Lineo, inc.
+#
+# This program is free software; you can redistribute it and/or modify it under
+# the terms of the GNU Library 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 will be useful, but WITHOUT
+# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+# FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more
+# details.
+#
+# You should have received a copy of the GNU Library 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
+#
+# Derived in part from the Linux-8086 C library, the GNU C Library, and several
+# other sundry sources. Files within this library are copyright by their
+# respective copyright holders.
+
+TOPDIR=../../../
+include $(TOPDIR)Rules.mak
+
+CSRC=insremque.c
+COBJS=$(patsubst %.c,%.o, $(CSRC))
+OBJS=$(COBJS)
+
+all: $(OBJS) $(LIBC)
+
+$(LIBC): ar-target
+
+ar-target: $(OBJS)
+ $(AR) $(ARFLAGS) $(LIBC) $(OBJS)
+
+$(COBJS): %.o : %.c
+ $(CC) $(CFLAGS) -c $< -o $@
+ $(STRIPTOOL) -x -R .note -R .comment $*.o
+
+clean:
+ rm -f *.[oa] *~ core
+
diff --git a/libc/misc/insremque/insremque.c b/libc/misc/insremque/insremque.c
new file mode 100644
index 000000000..6a0e4e133
--- /dev/null
+++ b/libc/misc/insremque/insremque.c
@@ -0,0 +1,48 @@
+/* Copyright (C) 1992, 1995, 1996 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <stddef.h>
+#define _GNU_SOURCE
+#define _SVID_SOURCE
+#include <search.h>
+
+/* Insert ELEM into a doubly-linked list, after PREV. */
+
+void
+insque (void *elem, void *prev)
+{
+ struct qelem *next = ((struct qelem *) prev)->q_forw;
+ ((struct qelem *) prev)->q_forw = (struct qelem *) elem;
+ if (next != NULL)
+ next->q_back = (struct qelem *) elem;
+ ((struct qelem *) elem)->q_forw = next;
+ ((struct qelem *) elem)->q_back = (struct qelem *) prev;
+}
+
+/* Unlink ELEM from the doubly-linked list that it is in. */
+
+void
+remque (void *elem)
+{
+ struct qelem *next = ((struct qelem *) elem)->q_forw;
+ struct qelem *prev = ((struct qelem *) elem)->q_back;
+ if (next != NULL)
+ next->q_back = prev;
+ if (prev != NULL)
+ prev->q_forw = (struct qelem *) next;
+}
--
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