-#!/usr/local/bin/perl
+#!/usr/bin/env perl
+#***************************************************************************
+# _ _ ____ _
+# Project ___| | | | _ \| |
+# / __| | | | |_) | |
+# | (__| |_| | _ <| |___
+# \___|\___/|_| \_\_____|
+#
+# Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
+#
+# This software is licensed as described in the file COPYING, which
+# you should have received as part of this distribution. The terms
+# are also available at https://curl.haxx.se/docs/copyright.html.
+#
+# You may opt to use, copy, modify, merge, publish, distribute and/or sell
+# copies of the Software, and permit persons to whom the Software is
+# furnished to do so, under the terms of the COPYING file.
+#
+# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+# KIND, either express or implied.
+#
+###########################################################################
# Yeah, I know, probably 1000 other persons already wrote a script like
# this, but I'll tell ya:
my $README = $ARGV[0];
if($README eq "") {
- print "usage: mkreadme.pl [-c] <README> < manpage\n";
+ print "usage: mkhelp.pl [-c] <README> < manpage\n";
exit;
}
-push @out, " _ _ ____ _ \n";
-push @out, " Project ___| | | | _ \\| | \n";
-push @out, " / __| | | | |_) | | \n";
-push @out, " | (__| |_| | _ <| |___ \n";
+push @out, " _ _ ____ _\n";
+push @out, " Project ___| | | | _ \\| |\n";
+push @out, " / __| | | | |_) | |\n";
+push @out, " | (__| |_| | _ <| |___\n";
push @out, " \\___|\\___/|_| \\_\\_____|\n";
my $olen=0;
# this should be removed:
$line =~ s/(\b.|_\b)//g;
+ # remove trailing CR from line. msysgit checks out files as line+CRLF
+ $line =~ s/\r$//;
+
if($line =~ /^([ \t]*\n|curl)/i) {
# cut off headers and empty lines
- $wline++; # count number of cut off lines
- next;
+ $wline++; # count number of cut off lines
+ next;
}
my $text = $line;
- $text =~ s/^\s+//g; # cut off preceeding...
+ $text =~ s/^\s+//g; # cut off preceding...
$text =~ s/\s+$//g; # and trailing whitespaces
$tlen = length($text);
$olen = $tlen;
if($wline) {
- # we only make one empty line max
- $wline = 0;
+ # we only make one empty line max
+ $wline = 0;
push @out, "\n";
}
push @out, $line;
die "couldn't read the README infile $README";
while(<READ>) {
- push @out, $_;
-}
-close(READ);
+ my $line = $_;
-# if compressed
-if($c) {
- my @test = `gzip --version 2>&1`;
- if($test[0] =~ /gzip/) {
- open(GZIP, ">dumpit") ||
- die "can't create the dumpit file, try without -c";
- binmode GZIP;
- for(@out) {
- print GZIP $_;
- $gzip += length($_);
- }
- close(GZIP);
-
- system("gzip --best --no-name dumpit");
-
- open(GZIP, "<dumpit.gz") ||
- die "can't read the dumpit.gz file, try without -c";
- binmode GZIP;
- while(<GZIP>) {
- push @gzip, $_;
- $gzipped += length($_);
- }
- close(GZIP);
+ # remove trailing CR from line. msysgit checks out files as line+CRLF
+ $line =~ s/\r$//;
- unlink("dumpit.gz");
- }
- else {
- # no gzip, no compression!
- undef $c;
- print STDERR "MEEEP: Couldn't find gzip, disable compression\n";
- }
+ push @out, $line;
}
+close(READ);
-$now = localtime;
print <<HEAD
/*
* NEVER EVER edit this manually, fix the mkhelp.pl script instead!
- * Generation time: $now
*/
-#include "setup.h"
#ifdef USE_MANUAL
-#include "hugehelp.h"
-#include <stdio.h>
+#include "tool_hugehelp.h"
HEAD
;
if($c) {
+ # If compression requested, check that the Gzip module is available
+ # or else disable compression
+ $c = eval
+ {
+ require IO::Compress::Gzip;
+ IO::Compress::Gzip->import();
+ 1;
+ };
+ print STDERR "Warning: compression requested but Gzip is not available\n" if (!$c)
+}
+
+if($c)
+{
+ my $content = join("", @out);
+ my $gzippedContent;
+ IO::Compress::Gzip::gzip(
+ \$content, \$gzippedContent, Level => 9, TextFlag => 1, Time=>0) or die "gzip failed:";
+ $gzip = length($content);
+ $gzipped = length($gzippedContent);
+
print <<HEAD
#include <zlib.h>
+#include "memdebug.h" /* keep this as LAST include */
static const unsigned char hugehelpgz[] = {
/* This mumbo-jumbo is the huge help text compressed with gzip.
- Thanks to this operation, the size of this data shrunk from $gzip
+ Thanks to this operation, the size of this data shrank from $gzip
to $gzipped bytes. You can disable the use of compressed help
texts by NOT passing -c to the mkhelp.pl tool. */
HEAD
;
+
my $c=0;
- print " ";
- for(@gzip) {
- my @all=split(//, $_);
- for(@all) {
- my $num=ord($_);
- printf("0x%02x, ", 0+$num);
- if(++$c>11) {
- print "\n ";
- $c=0;
- }
+ print " ";
+ for(split(//, $gzippedContent)) {
+ my $num=ord($_);
+ printf(" 0x%02x,", 0+$num);
+ if(!(++$c % 12)) {
+ print "\n ";
}
}
print "\n};\n";
print <<EOF
+#define BUF_SIZE 0x10000
+static voidpf zalloc_func(voidpf opaque, unsigned int items, unsigned int size)
+{
+ (void) opaque;
+ /* not a typo, keep it calloc() */
+ return (voidpf) calloc(items, size);
+}
+static void zfree_func(voidpf opaque, voidpf ptr)
+{
+ (void) opaque;
+ free(ptr);
+}
/* Decompress and send to stdout a gzip-compressed buffer */
void hugehelp(void)
{
- unsigned char buf[0x10000];
+ unsigned char* buf;
int status,headerlen;
z_stream z;
return;
headerlen = 10;
- z.avail_in = sizeof(hugehelpgz) - headerlen;
+ memset(&z, 0, sizeof(z_stream));
+ z.zalloc = (alloc_func)zalloc_func;
+ z.zfree = (free_func)zfree_func;
+ z.avail_in = (unsigned int)(sizeof(hugehelpgz) - headerlen);
z.next_in = (unsigned char *)hugehelpgz + headerlen;
- z.zalloc = (alloc_func)Z_NULL;
- z.zfree = (free_func)Z_NULL;
- z.opaque = 0;
if (inflateInit2(&z, -MAX_WBITS) != Z_OK)
return;
- while(1) {
- z.avail_out = (int)sizeof(buf);
- z.next_out = buf;
- status = inflate(&z, Z_SYNC_FLUSH);
- if (status == Z_OK || status == Z_STREAM_END) {
- fwrite(buf, sizeof(buf) - z.avail_out, 1, stdout);
- if (status == Z_STREAM_END)
- break;
+ buf = malloc(BUF_SIZE);
+ if (buf) {
+ while(1) {
+ z.avail_out = BUF_SIZE;
+ z.next_out = buf;
+ status = inflate(&z, Z_SYNC_FLUSH);
+ if (status == Z_OK || status == Z_STREAM_END) {
+ fwrite(buf, BUF_SIZE - z.avail_out, 1, stdout);
+ if (status == Z_STREAM_END)
+ break;
+ }
+ else
+ break; /* Error */
}
- else
- break; /* Error */
+ free(buf);
}
inflateEnd(&z);
}
sub foot {
print <<FOOT
+#else /* !USE_MANUAL */
+/* built-in manual is disabled, blank function */
+#include "tool_hugehelp.h"
+void hugehelp(void) {}
#endif /* USE_MANUAL */
FOOT
;