Fabio Erculiani
149 lines
3.3 KiB
Diff
149 lines
3.3 KiB
Diff
diff --git a/extras/root_link/Makefile b/extras/root_link/Makefile
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new file mode 100644
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index 0000000..76b475d
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--- /dev/null
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+++ b/extras/root_link/Makefile
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@@ -0,0 +1,69 @@
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+# Makefile for udev extra invoked from the udev main Makefile
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+#
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+# Copyright (C) 2004-2005 Kay Sievers <kay.sievers@vrfy.org>
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+#
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+# Released under the GNU General Public License, version 2.
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+#
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+
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+PROG = get_dir_major_minor
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+OBJ =
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+HEADERS =
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+GEN_HEADERS =
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+MAN_PAGES =
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+
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+prefix =
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+etcdir = ${prefix}/etc
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+sbindir = ${prefix}/sbin
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+usrbindir = ${prefix}/usr/bin
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+usrsbindir = ${prefix}/usr/sbin
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+libudevdir = ${prefix}/lib/udev
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+mandir = ${prefix}/usr/share/man
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+configdir = ${etcdir}/udev/
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+
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+INSTALL = install -c
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+INSTALL_PROGRAM = ${INSTALL}
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+INSTALL_DATA = ${INSTALL} -m 644
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+INSTALL_SCRIPT = ${INSTALL}
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+
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+all: $(PROG) $(MAN_PAGES)
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+.PHONY: all
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+.DEFAULT: all
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+
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+%.o: %.c $(GEN_HEADERS)
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+ $(E) " CC " $@
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+ $(Q) $(CC) -c $(CFLAGS) $< -o $@
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+
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+$(PROG): %: $(HEADERS) %.o $(OBJS)
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+ $(E) " LD " $@
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+ $(Q) $(LD) $(LDFLAGS) $@.o $(OBJS) -o $@ $(LIBUDEV) $(LIB_OBJS)
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+
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+# man pages
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+%.8: %.xml
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+ $(E) " XMLTO " $@
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+ $(Q) xmlto man $?
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+.PRECIOUS: %.8
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+
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+clean:
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+ $(E) " CLEAN "
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+ $(Q) rm -f $(PROG) $(OBJS) $(GEN_HEADERS)
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+.PHONY: clean
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+
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+install-bin: all
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+ $(INSTALL_PROGRAM) -D $(PROG) $(DESTDIR)$(libudevdir)/$(PROG)
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+.PHONY: install-bin
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+
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+uninstall-bin:
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+ - rm $(DESTDIR)$(libudevdir)/$(PROG)
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+.PHONY: uninstall-bin
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+
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+install-man:
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+ @echo "Please create a man page for this tool."
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+.PHONY: install-man
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+
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+uninstall-man:
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+ @echo "Please create a man page for this tool."
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+.PHONY: uninstall-man
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+
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+install-config:
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+ @echo "no config file to install"
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+.PHONY: install-config
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diff --git a/extras/root_link/get_dir_major_minor.c b/extras/root_link/get_dir_major_minor.c
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new file mode 100644
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index 0000000..1e39411
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--- /dev/null
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+++ b/extras/root_link/get_dir_major_minor.c
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@@ -0,0 +1,48 @@
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+// print out major/minor nr of the device the supplied dir
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+// is mounted on
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+//
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+// Author: Matthias Schwarzott <zzam@gentoo.org>
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+
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+#include <sys/types.h>
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+#include <sys/stat.h>
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+#include <unistd.h>
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+
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+#include <stdio.h>
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+#include <stdlib.h>
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+
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+// Getting major/minor
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+#include <sys/sysmacros.h>
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+int main(int argc, char **argv)
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+{
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+ struct stat stat_buf;
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+ unsigned int dev_major=0, dev_minor=0;
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+ dev_t dev;
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+
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+ if (argc != 2) {
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+ printf("Usage:\n");
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+ printf(" get_dir_major_minor <directory>\n");
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+ return EXIT_FAILURE;
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+ }
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+
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+ if (stat(argv[1], &stat_buf) < 0) {
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+ perror("stat");
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+ return EXIT_FAILURE;
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+ }
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+
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+ dev = stat_buf.st_dev;
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+
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+ dev_major = gnu_dev_major(dev);
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+ dev_minor = gnu_dev_minor(dev);
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+
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+
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+ if (dev_major == 0) {
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+ fprintf(stderr, "Major number is 0.\n");
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+ return EXIT_FAILURE;
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+ } else
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+ printf("%d %d\n",
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+ dev_major,
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+ dev_minor);
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+
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+ return EXIT_SUCCESS;
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+}
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+
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diff --git a/extras/root_link/print_root_link_rule.sh b/extras/root_link/print_root_link_rule.sh
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new file mode 100755
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index 0000000..c33f290
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--- /dev/null
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+++ b/extras/root_link/print_root_link_rule.sh
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@@ -0,0 +1,13 @@
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+#!/bin/sh
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+
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+PROG=/lib/udev/print_dir_major_minor
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+[ -x "${PROG}" ] && DEV=$(/lib/udev/print_dir_major_minor /)
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+if [ $? == 0 ]; then
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+ MAJOR="${DEV##* }"
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+ MINOR="${DEV%% *}"
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+
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+ echo "# Created by print_root_link_rule"
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+ echo "# This rule should create /dev/root as link to real root device."
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+ echo "SUBSYSTEM==\"block\", ENV{MAJOR}==\"$MAJOR\", ENV{MINOR}==\"$MINOR\", SYMLINK+=\"root\""
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+fi
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+
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