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Based on Dan Fandrich's patch and gzip unpack function, we now compress

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the 'hugehelp' text if libz and gzip are available at build time.
This commit is contained in:
Daniel Stenberg 2003-06-12 12:54:34 +00:00
parent 4a8155b53c
commit 9c7703ace1
2 changed files with 115 additions and 14 deletions
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10
src/Makefile.am
View File

@ -11,6 +11,14 @@ INCLUDES = -I$(top_srcdir)/include -I$(top_builddir)/src -I$(top_srcdir)/src
bin_PROGRAMS = curl #memtest
if HAVE_LIBZ
# libz available, attempt to compress the help data
MKHELPOPT=-c
else
# no libz, don't try to compress
MKHELPOPT=
endif
#memtest_SOURCES = memtest.c
#memtest_LDADD = $(top_srcdir)/lib/libcurl.la
@ -38,4 +46,4 @@ MKHELP=$(top_srcdir)/src/mkhelp.pl
# This generates the hugehelp.c file
hugehelp.c: $(README) $(MANPAGE) mkhelp.pl
rm -f hugehelp.c
$(NROFF) -man $(MANPAGE) | $(PERL) $(MKHELP) $(README) > hugehelp.c
$(NROFF) -man $(MANPAGE) | $(PERL) -s $(MKHELP) $(MKHELPOPT) $(README) > hugehelp.c

117
src/mkhelp.pl
View File

@ -6,10 +6,10 @@
# THEY DON'T FIT ME :-)
# Get readme file as parameter:
$README = $ARGV[0];
my $README = $ARGV[0];
if($README eq "") {
print "usage: mkreadme.pl <README>\n";
print "usage: mkreadme.pl [-c] <README> < manpage\n";
exit;
}
@ -20,8 +20,8 @@ push @out, " / __| | | | |_) | | \n";
push @out, " | (__| |_| | _ <| |___ \n";
push @out, " \\___|\\___/|_| \\_\\_____|\n";
$head=0;
loop:
my $head=0;
while (<STDIN>) {
$line = $_;
@ -34,13 +34,13 @@ while (<STDIN>) {
if($line =~ /^curl/i) {
# cut off the page headers
$head=1;
next loop;
next;
}
if($line =~ /^[ \t]*\n/) {
$wline++;
# we only make one empty line max
next loop;
next;
}
if($wline) {
$wline = 0;
@ -54,20 +54,113 @@ while (<STDIN>) {
push @out, "\n"; # just an extra newline
open(READ, "<$README") ||
die "couldn't read the README infile";
die "couldn't read the README infile $README";
while(<READ>) {
push @out, $_;
}
close(READ);
# if compressed
if($c) {
my @test = `gzip --version 2>&1`;
if($test[0] =~ /gzip/) {
open(GZIP, "|gzip -9 >dumpit.gz");
binmode GZIP;
for(@out) {
print GZIP $_;
$gzip += length($_);
}
close(GZIP);
print "/* NEVER EVER edit this manually, fix the mkhelp script instead! */\n"
open(GZIP, "<dumpit.gz");
binmode GZIP;
while(<GZIP>) {
push @gzip, $_;
$gzipped += length($_);
}
close(GZIP);
}
else {
# no gzip, no compression!
undef $c;
print STDERR "MEEEP: Couldn't find gzip, disable compression\n";
}
}
$now = localtime;
print <<HEAD
/*
* NEVER EVER edit this manually, fix the mkhelp.pl script instead!
* Generation time: $now
*/
#include <stdio.h>
HEAD
;
print "#include <stdio.h>\n";
print "void hugehelp(void)\n";
print "{\n";
print " fputs (\n";
if($c) {
print "/* gzip shrunk this data from $gzip to $gzipped bytes */\n",
"#include <zlib.h>\nstatic const unsigned char hugehelpgz[] = {\n ";
my $c=0;
for(@gzip) {
my @all=split(//, $_);
for(@all) {
my $num=ord($_);
printf("0x%02x, ", 0+$num);
if(++$c>11) {
print "\n ";
$c=0;
}
}
}
print "\n};\n";
print <<EOF
/* Decompress and send to stdout a gzip-compressed buffer */
void hugehelp(void)
{
unsigned char buf[0x10000];
int status,headerlen;
z_stream z;
/* Make sure no gzip options are set */
if (hugehelpgz[3] & 0xfe)
return;
headerlen = 10;
z.avail_in = 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;
for (;;) {
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;
} else
break; /* Error */
}
inflateEnd(&z);
}
EOF
;
exit;
}
else {
print <<HEAD
void hugehelp(void)
{
fputs(
HEAD
;
}
$outsize=0;
for(@out) {