scripts: kernel-doc: improve argument handling

[mirror_ubuntu-jammy-kernel.git] / scripts / kernel-doc

diff --git a/scripts/kernel-doc b/scripts/kernel-doc
index c8ad05eb3e5e35dfeebb869a43a35dbc8c0a250e..11aec7469776c006978de775eb3dc0730c4e118c 100755 (executable)
--- a/scripts/kernel-doc
+++ b/scripts/kernel-doc
@@ -391,47 +391,51 @@ my $undescribed = "-- undescribed --";
 
 reset_state();
 
-while ($ARGV[0] =~ m/^-(.*)/) {
-    my $cmd = shift @ARGV;
-    if ($cmd eq "-man") {
+while ($ARGV[0] =~ m/^--?(.*)/) {
+    my $cmd = $1;
+    shift @ARGV;
+    if ($cmd eq "man") {
        $output_mode = "man";
        @highlights = @highlights_man;
        $blankline = $blankline_man;
-    } elsif ($cmd eq "-rst") {
+    } elsif ($cmd eq "rst") {
        $output_mode = "rst";
        @highlights = @highlights_rst;
        $blankline = $blankline_rst;
-    } elsif ($cmd eq "-none") {
+    } elsif ($cmd eq "none") {
        $output_mode = "none";
-    } elsif ($cmd eq "-module") { # not needed for XML, inherits from calling document
+    } elsif ($cmd eq "module") { # not needed for XML, inherits from calling document
        $modulename = shift @ARGV;
-    } elsif ($cmd eq "-function") { # to only output specific functions
+    } elsif ($cmd eq "function") { # to only output specific functions
        $output_selection = OUTPUT_INCLUDE;
        $function = shift @ARGV;
        $function_table{$function} = 1;
-    } elsif ($cmd eq "-nofunction") { # output all except specific functions
+    } elsif ($cmd eq "nofunction") { # output all except specific functions
        $output_selection = OUTPUT_EXCLUDE;
        $function = shift @ARGV;
        $function_table{$function} = 1;
-    } elsif ($cmd eq "-export") { # only exported symbols
+    } elsif ($cmd eq "export") { # only exported symbols
        $output_selection = OUTPUT_EXPORTED;
        %function_table = ();
-    } elsif ($cmd eq "-internal") { # only non-exported symbols
+    } elsif ($cmd eq "internal") { # only non-exported symbols
        $output_selection = OUTPUT_INTERNAL;
        %function_table = ();
-    } elsif ($cmd eq "-export-file") {
+    } elsif ($cmd eq "export-file") {
        my $file = shift @ARGV;
        push(@export_file_list, $file);
-    } elsif ($cmd eq "-v") {
+    } elsif ($cmd eq "v") {
        $verbose = 1;
-    } elsif (($cmd eq "-h") || ($cmd eq "--help")) {
+    } elsif (($cmd eq "h") || ($cmd eq "help")) {
        usage();
-    } elsif ($cmd eq '-no-doc-sections') {
+    } elsif ($cmd eq 'no-doc-sections') {
            $no_doc_sections = 1;
-    } elsif ($cmd eq '-enable-lineno') {
+    } elsif ($cmd eq 'enable-lineno') {
            $enable_lineno = 1;
-    } elsif ($cmd eq '-show-not-found') {
+    } elsif ($cmd eq 'show-not-found') {
        $show_not_found = 1;
+    } else {
+       # Unknown argument
+        usage();
     }
 }