[PATCH] fix NAME="foo-%c{N}" gets a truncated name

[Patrick Mansfield <patmans@us.ibm.com>]

Here is a fix and a new test for the problem Atul hit, where if we have a
NAME based on a result of the form:

	NAME="foo-%c{7}"

udev truncates the name. Without any prefix (the foo- in this example),
the rule was working OK.

=== namedev.c 1.122 vs edited ==--- 1.122/namedev.c	Tue Mar  2 21:00:21 2004
+++ edited/namedev.c	Wed Mar  3 14:16:54 2004
@@ -285,7 +285,7 @@
 					dbg("requested part of result string not found");
 					break;
 				}
-				strnfieldcat(string, udev->program_result + spos, slen+1);
+				strnfieldcat(string, udev->program_result + spos, maxsize);
 				dbg("substitute part of result string '%s'", pos);
 			} else {
 				strnfieldcat(string, udev->program_result, maxsize);
=== test/udev-test.pl 1.40 vs edited ==--- 1.40/test/udev-test.pl	Fri Feb 27 19:36:01 2004
+++ edited/test/udev-test.pl	Wed Mar  3 14:20:05 2004
@@ -262,6 +262,15 @@
 EOF
 	},
 	{
+		desc     => "lots of arguments and characters before %c{N}",
+		subsys   => "block",
+		devpath  => "block/sda/sda3",
+		expected => "my-foo9" ,
+		conf     => <<EOF
+BUS="scsi", PROGRAM="/bin/echo -n foo3 foo4 foo5 foo6 foo7 foo8 foo9", KERNEL="sda3", NAME="my-%c{7}"
+EOF
+	},
+	{
 		desc     => "program result substitution (numbered part of)",
 		subsys   => "block",
 		devpath  => "block/sda/sda3",


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