Lines Matching +full:0 +full:- +full:9 +full:a +full:- +full:f

2 # SPDX-License-Identifier: GPL-2.0
4 # Clean a patch file -- or directory of patch files -- of stealth whitespace.
5 # WARNING: this can be a highly destructive operation.  Use with caution.
15 # Clean up space-tab sequences, either by removing spaces or
23     my $pos = 0;
24     my $nsp = 0;
27     for ($i = 0; $i < length($li); $i++) {
31 	    my $ntab = ($npos >> 3) - ($pos >> 3);
34 	    $nsp = 0;
38 	    $nsp = 0;
40 	    $pos = 0;
46 	    $nsp = 0;
55 # Compute the visual width of a string
61     my $pos = 0;
62     my $mlen = 0;
64     for ($i = 0; $i < length($li); $i++) {
70 	    $pos = 0;
80 $name = basename($0);
84 while (defined($a = shift(@ARGV))) {
85     if ($a =~ /^-/) {
86 	if ($a eq '-width' || $a eq '-w') {
87 	    $max_width = shift(@ARGV)+0;
89 	    print STDERR "Usage: $name [-width #] files...\n";
93 	push(@files, $a);
97 foreach $f ( @files ) {
98     print STDERR "$name: $f\n";
100     if (! -f $f) {
101 	print STDERR "$f: not a file\n";
105     if (!open(FILE, '+<', $f)) {
106 	print STDERR "$name: Cannot open file: $f: $!\n";
112     # First, verify that it is not a binary file; consider any file
113     # with a zero byte to be a binary file.  Is there any better, or
115     $is_binary = 0;
117     while (read(FILE, $data, 65536) > 0) {
118 	if ($data =~ /\0/) {
125 	print STDERR "$name: $f: binary file\n";
129     seek(FILE, 0, 0);
131     $in_bytes = 0;
132     $out_bytes = 0;
133     $lineno = 0;
137     $in_hunk = 0;
138     $err = 0;
146 		/^\@\@\s+\-([0-9]+),([0-9]+)\s+\+([0-9]+),([0-9]+)\s\@\@/) {
158 	    # We're in a hunk
161 		$plus_lines--;
170 			"$f:$lineno: adds line exceeds $max_width ",
175 	    } elsif ($line =~ /^\-/) {
176 		$minus_lines--;
179 		$plus_lines--;
180 		$minus_lines--;
183 		print STDERR "$name: $f: malformed patch\n";
188 	    if ($plus_lines < 0 || $minus_lines < 0) {
189 		print STDERR "$name: $f: malformed patch\n";
192 	    } elsif ($plus_lines == 0 && $minus_lines == 0) {
193 		# End of a hunk.  Process this hunk.
197 		my $adj = 0;
198 		my $done = 0;
200 		for ($i = scalar(@hunk_lines)-1; $i > 0; $i--) {
212 		$l = $hunk_lines[0];  # Hunk header
217 			($l =~ /^\@\@\s+\-([0-9]+),([0-9]+)\s+\+([0-9]+),([0-9]+)\s\@\@(.*)$/);
224 		    $l = sprintf("@@ -%d,%d +%d,%d @@%s\n",
225 				 $mstart, $mlin, $pstart, $plin-$adj,
236 		$in_hunk = 0;
242 	print STDERR "$name: $f: malformed patch\n";
249 	    seek(FILE, 0, 0);
254 		die "$name: Failed to truncate modified file: $f: $!\n";