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authorPascal Rigaux <pixel@mandriva.com>2002-07-19 21:39:34 +0000
committerPascal Rigaux <pixel@mandriva.com>2002-07-19 21:39:34 +0000
commit7888165dad1d6e8dd937a67d0eac461471002e6a (patch)
tree9a227e7ebf514b3f5f85ffd12b0290ae8b1aa589 /perl-install/devices.pm
parent66ff0e21bc1f61bd1968fb754a6930bce2f80a45 (diff)
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add functions to_devfs and from_devfs. These only work for devices entries
which can go devfs -> normal and normal -> devfs
Diffstat (limited to 'perl-install/devices.pm')
-rw-r--r--perl-install/devices.pm35
1 files changed, 35 insertions, 0 deletions
diff --git a/perl-install/devices.pm b/perl-install/devices.pm
index 260793e30..8c45a41f7 100644
--- a/perl-install/devices.pm
+++ b/perl-install/devices.pm
@@ -182,4 +182,39 @@ sub make($) {
$file;
}
+
+#- only isomorphic entries are allowed,
+#- i.e. entries which can go devfs -> normal and normal -> devfs
+my %to_devfs = (
+ psaux => 'misc/psaux',
+ usbmouse => 'input/mouse0',
+);
+my %to_devfs_prefix = (
+ ttyS => 'tts/',
+);
+
+sub to_devfs {
+ my ($dev) = @_;
+ if (my $r = $to_devfs{$dev}) {
+ return $r;
+ } elsif ($dev =~ /(.*?)(\d+)$/) {
+ my $r = $to_devfs_prefix{$1};
+ return "$r$2" if $r;
+ }
+ undef;
+}
+
+sub from_devfs {
+ my ($dev) = @_;
+ my %from_devfs = reverse %to_devfs;
+ if (my $r = $from_devfs{$dev}) {
+ return $r;
+ } elsif ($dev =~ /(.*?)(\d+)$/) {
+ my %from_devfs_prefix = reverse %to_devfs_prefix;
+ my $r = $from_devfs_prefix{$1};
+ return "$r$2" if $r;
+ }
+ undef;
+}
+
1;