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authorcvs2svn <admin@example.com>2002-03-12 00:05:45 +0000
committercvs2svn <admin@example.com>2002-03-12 00:05:45 +0000
commit3779f2f4a8b544a7e4c362915322726b66cff114 (patch)
treeb6d77e66cbfdf6c0d8953fba2917f26f86fa50f6 /src/lib/libcrypto/util
parentf39945c2b3b0f9e4950384bdb8effdac6eed9199 (diff)
downloadopenbsd-OPENBSD_3_1_BASE.tar.gz
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This commit was manufactured by cvs2git to create tag 'OPENBSD_3_1_BASE'.OPENBSD_3_1_BASE
Diffstat (limited to 'src/lib/libcrypto/util')
-rw-r--r--src/lib/libcrypto/util/mkerr.pl529
-rw-r--r--src/lib/libcrypto/util/mkstack.pl124
2 files changed, 0 insertions, 653 deletions
diff --git a/src/lib/libcrypto/util/mkerr.pl b/src/lib/libcrypto/util/mkerr.pl
deleted file mode 100644
index 7d98b5234d..0000000000
--- a/src/lib/libcrypto/util/mkerr.pl
+++ /dev/null
@@ -1,529 +0,0 @@
1#!/usr/local/bin/perl -w
2
3my $config = "crypto/err/openssl.ec";
4my $debug = 0;
5my $rebuild = 0;
6my $static = 1;
7my $recurse = 0;
8my $reindex = 0;
9my $dowrite = 0;
10
11
12while (@ARGV) {
13 my $arg = $ARGV[0];
14 if($arg eq "-conf") {
15 shift @ARGV;
16 $config = shift @ARGV;
17 } elsif($arg eq "-debug") {
18 $debug = 1;
19 shift @ARGV;
20 } elsif($arg eq "-rebuild") {
21 $rebuild = 1;
22 shift @ARGV;
23 } elsif($arg eq "-recurse") {
24 $recurse = 1;
25 shift @ARGV;
26 } elsif($arg eq "-reindex") {
27 $reindex = 1;
28 shift @ARGV;
29 } elsif($arg eq "-nostatic") {
30 $static = 0;
31 shift @ARGV;
32 } elsif($arg eq "-write") {
33 $dowrite = 1;
34 shift @ARGV;
35 } else {
36 last;
37 }
38}
39
40if($recurse) {
41 @source = (<crypto/*.c>, <crypto/*/*.c>, <rsaref/*.c>, <ssl/*.c>);
42} else {
43 @source = @ARGV;
44}
45
46# Read in the config file
47
48open(IN, "<$config") || die "Can't open config file $config";
49
50# Parse config file
51
52while(<IN>)
53{
54 if(/^L\s+(\S+)\s+(\S+)\s+(\S+)/) {
55 $hinc{$1} = $2;
56 $cskip{$3} = $1;
57 if($3 ne "NONE") {
58 $csrc{$1} = $3;
59 $fmax{$1} = 99;
60 $rmax{$1} = 99;
61 $fnew{$1} = 0;
62 $rnew{$1} = 0;
63 }
64 } elsif (/^F\s+(\S+)/) {
65 # Add extra function with $1
66 } elsif (/^R\s+(\S+)\s+(\S+)/) {
67 $rextra{$1} = $2;
68 $rcodes{$1} = $2;
69 }
70}
71
72close IN;
73
74# Scan each header file in turn and make a list of error codes
75# and function names
76
77while (($lib, $hdr) = each %hinc)
78{
79 next if($hdr eq "NONE");
80 print STDERR "Scanning header file $hdr\n" if $debug;
81 open(IN, "<$hdr") || die "Can't open Header file $hdr\n";
82 my $line = "", $def= "", $linenr = 0;
83 while(<IN>) {
84 $linenr++;
85 print STDERR "line: $linenr\r" if $debug;
86
87 last if(/BEGIN\s+ERROR\s+CODES/);
88 if ($line ne '') {
89 $_ = $line . $_;
90 $line = '';
91 }
92
93 if (/\\$/) {
94 $line = $_;
95 next;
96 }
97
98 $cpp = 1 if /^#.*ifdef.*cplusplus/; # skip "C" declaration
99 if ($cpp) {
100 $cpp = 0 if /^#.*endif/;
101 next;
102 }
103
104 next if (/^#/); # skip preprocessor directives
105
106 s/\/\*.*?\*\///gs; # ignore comments
107 s/{[^{}]*}//gs; # ignore {} blocks
108
109 if (/{|\/\*/) { # Add a } so editor works...
110 $line = $_;
111 } else {
112 $def .= $_;
113 }
114 }
115
116 print STDERR " \r" if $debug;
117 $defnr = 0;
118 foreach (split /;/, $def) {
119 $defnr++;
120 print STDERR "def: $defnr\r" if $debug;
121
122 s/^[\n\s]*//g;
123 s/[\n\s]*$//g;
124 next if(/typedef\W/);
125 if (/\(\*(\w*)\([^\)]+/) {
126 my $name = $1;
127 $name =~ tr/[a-z]/[A-Z]/;
128 $ftrans{$name} = $1;
129 } elsif (/\w+\W+(\w+)\W*\(\s*\)$/s){
130 # K&R C
131 next ;
132 } elsif (/\w+\W+\w+\W*\(.*\)$/s) {
133 while (not /\(\)$/s) {
134 s/[^\(\)]*\)$/\)/s;
135 s/\([^\(\)]*\)\)$/\)/s;
136 }
137 s/\(void\)//;
138 /(\w+)\W*\(\)/s;
139 my $name = $1;
140 $name =~ tr/[a-z]/[A-Z]/;
141 $ftrans{$name} = $1;
142 } elsif (/\(/ and not (/=/ or /DECLARE_STACK/)) {
143 print STDERR "Header $hdr: cannot parse: $_;\n";
144 }
145 }
146
147 print STDERR " \r" if $debug;
148
149 next if $reindex;
150
151 # Scan function and reason codes and store them: keep a note of the
152 # maximum code used.
153
154 while(<IN>) {
155 if(/^#define\s+(\S+)\s+(\S+)/) {
156 $name = $1;
157 $code = $2;
158 unless($name =~ /^${lib}_([RF])_(\w+)$/) {
159 print STDERR "Invalid error code $name\n";
160 next;
161 }
162 if($1 eq "R") {
163 $rcodes{$name} = $code;
164 if(!(exists $rextra{$name}) &&
165 ($code > $rmax{$lib}) ) {
166 $rmax{$lib} = $code;
167 }
168 } else {
169 if($code > $fmax{$lib}) {
170 $fmax{$lib} = $code;
171 }
172 $fcodes{$name} = $code;
173 }
174 }
175 }
176 close IN;
177}
178
179# Scan each C source file and look for function and reason codes
180# This is done by looking for strings that "look like" function or
181# reason codes: basically anything consisting of all upper case and
182# numerics which has _F_ or _R_ in it and which has the name of an
183# error library at the start. This seems to work fine except for the
184# oddly named structure BIO_F_CTX which needs to be ignored.
185# If a code doesn't exist in list compiled from headers then mark it
186# with the value "X" as a place holder to give it a value later.
187# Store all function and reason codes found in %ufcodes and %urcodes
188# so all those unreferenced can be printed out.
189
190
191foreach $file (@source) {
192 # Don't parse the error source file.
193 next if exists $cskip{$file};
194 open(IN, "<$file") || die "Can't open source file $file\n";
195 while(<IN>) {
196 if(/(([A-Z0-9]+)_F_([A-Z0-9_]+))/) {
197 next unless exists $csrc{$2};
198 next if($1 eq "BIO_F_BUFFER_CTX");
199 $ufcodes{$1} = 1;
200 if(!exists $fcodes{$1}) {
201 $fcodes{$1} = "X";
202 $fnew{$2}++;
203 }
204 $notrans{$1} = 1 unless exists $ftrans{$3};
205 }
206 if(/(([A-Z0-9]+)_R_[A-Z0-9_]+)/) {
207 next unless exists $csrc{$2};
208 $urcodes{$1} = 1;
209 if(!exists $rcodes{$1}) {
210 $rcodes{$1} = "X";
211 $rnew{$2}++;
212 }
213 }
214 }
215 close IN;
216}
217
218# Now process each library in turn.
219
220foreach $lib (keys %csrc)
221{
222 my $hfile = $hinc{$lib};
223 my $cfile = $csrc{$lib};
224 if(!$fnew{$lib} && !$rnew{$lib}) {
225 print STDERR "$lib:\t\tNo new error codes\n";
226 next unless $rebuild;
227 } else {
228 print STDERR "$lib:\t\t$fnew{$lib} New Functions,";
229 print STDERR " $rnew{$lib} New Reasons.\n";
230 next unless $dowrite;
231 }
232
233 # If we get here then we have some new error codes so we
234 # need to rebuild the header file and C file.
235
236 # Make a sorted list of error and reason codes for later use.
237
238 my @function = sort grep(/^${lib}_/,keys %fcodes);
239 my @reasons = sort grep(/^${lib}_/,keys %rcodes);
240
241 # Rewrite the header file
242
243 open(IN, "<$hfile") || die "Can't Open Header File $hfile\n";
244
245 # Copy across the old file
246 while(<IN>) {
247 push @out, $_;
248 last if (/BEGIN ERROR CODES/);
249 }
250 close IN;
251
252 open (OUT, ">$hfile") || die "Can't Open File $hfile for writing\n";
253
254 print OUT @out;
255 undef @out;
256 print OUT <<"EOF";
257/* The following lines are auto generated by the script mkerr.pl. Any changes
258 * made after this point may be overwritten when the script is next run.
259 */
260
261/* Error codes for the $lib functions. */
262
263/* Function codes. */
264EOF
265
266 foreach $i (@function) {
267 $z=6-int(length($i)/8);
268 if($fcodes{$i} eq "X") {
269 $fcodes{$i} = ++$fmax{$lib};
270 print STDERR "New Function code $i\n" if $debug;
271 }
272 printf OUT "#define $i%s $fcodes{$i}\n","\t" x $z;
273 }
274
275 print OUT "\n/* Reason codes. */\n";
276
277 foreach $i (@reasons) {
278 $z=6-int(length($i)/8);
279 if($rcodes{$i} eq "X") {
280 $rcodes{$i} = ++$rmax{$lib};
281 print STDERR "New Reason code $i\n" if $debug;
282 }
283 printf OUT "#define $i%s $rcodes{$i}\n","\t" x $z;
284 }
285 print OUT <<"EOF";
286
287#ifdef __cplusplus
288}
289#endif
290#endif
291
292EOF
293 close OUT;
294
295 # Rewrite the C source file containing the error details.
296
297 # First, read any existing reason string definitions:
298 my %err_reason_strings;
299 if (open(IN,"<$cfile")) {
300 while (<IN>) {
301 if (/\b(${lib}_R_\w*)\b.*\"(.*)\"/) {
302 $err_reason_strings{$1} = $2;
303 }
304 }
305 close(IN);
306 }
307
308 my $hincf;
309 if($static) {
310 $hfile =~ /([^\/]+)$/;
311 $hincf = "<openssl/$1>";
312 } else {
313 $hincf = "\"$hfile\"";
314 }
315
316
317 open (OUT,">$cfile") || die "Can't open $cfile for writing";
318
319 print OUT <<"EOF";
320/* $cfile */
321/* ====================================================================
322 * Copyright (c) 1999 The OpenSSL Project. All rights reserved.
323 *
324 * Redistribution and use in source and binary forms, with or without
325 * modification, are permitted provided that the following conditions
326 * are met:
327 *
328 * 1. Redistributions of source code must retain the above copyright
329 * notice, this list of conditions and the following disclaimer.
330 *
331 * 2. Redistributions in binary form must reproduce the above copyright
332 * notice, this list of conditions and the following disclaimer in
333 * the documentation and/or other materials provided with the
334 * distribution.
335 *
336 * 3. All advertising materials mentioning features or use of this
337 * software must display the following acknowledgment:
338 * "This product includes software developed by the OpenSSL Project
339 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
340 *
341 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
342 * endorse or promote products derived from this software without
343 * prior written permission. For written permission, please contact
344 * openssl-core\@OpenSSL.org.
345 *
346 * 5. Products derived from this software may not be called "OpenSSL"
347 * nor may "OpenSSL" appear in their names without prior written
348 * permission of the OpenSSL Project.
349 *
350 * 6. Redistributions of any form whatsoever must retain the following
351 * acknowledgment:
352 * "This product includes software developed by the OpenSSL Project
353 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
354 *
355 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
356 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
357 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
358 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
359 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
360 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
361 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
362 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
363 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
364 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
365 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
366 * OF THE POSSIBILITY OF SUCH DAMAGE.
367 * ====================================================================
368 *
369 * This product includes cryptographic software written by Eric Young
370 * (eay\@cryptsoft.com). This product includes software written by Tim
371 * Hudson (tjh\@cryptsoft.com).
372 *
373 */
374
375/* NOTE: this file was auto generated by the mkerr.pl script: any changes
376 * made to it will be overwritten when the script next updates this file,
377 * only reason strings will be preserved.
378 */
379
380#include <stdio.h>
381#include <openssl/err.h>
382#include $hincf
383
384/* BEGIN ERROR CODES */
385#ifndef NO_ERR
386static ERR_STRING_DATA ${lib}_str_functs[]=
387 {
388EOF
389 # Add each function code: if a function name is found then use it.
390 foreach $i (@function) {
391 my $fn;
392 $i =~ /^${lib}_F_(\S+)$/;
393 $fn = $1;
394 if(exists $ftrans{$fn}) {
395 $fn = $ftrans{$fn};
396 }
397 print OUT "{ERR_PACK(0,$i,0),\t\"$fn\"},\n";
398 }
399 print OUT <<"EOF";
400{0,NULL}
401 };
402
403static ERR_STRING_DATA ${lib}_str_reasons[]=
404 {
405EOF
406 # Add each reason code.
407 foreach $i (@reasons) {
408 my $rn;
409 my $nspc = 0;
410 if (exists $err_reason_strings{$i}) {
411 $rn = $err_reason_strings{$i};
412 } else {
413 $i =~ /^${lib}_R_(\S+)$/;
414 $rn = $1;
415 $rn =~ tr/_[A-Z]/ [a-z]/;
416 }
417 $nspc = 40 - length($i) unless length($i) > 40;
418 $nspc = " " x $nspc;
419 print OUT "{${i}${nspc},\"$rn\"},\n";
420 }
421if($static) {
422 print OUT <<"EOF";
423{0,NULL}
424 };
425
426#endif
427
428void ERR_load_${lib}_strings(void)
429 {
430 static int init=1;
431
432 if (init)
433 {
434 init=0;
435#ifndef NO_ERR
436 ERR_load_strings(ERR_LIB_${lib},${lib}_str_functs);
437 ERR_load_strings(ERR_LIB_${lib},${lib}_str_reasons);
438#endif
439
440 }
441 }
442EOF
443} else {
444 print OUT <<"EOF";
445{0,NULL}
446 };
447
448#endif
449
450#ifdef ${lib}_LIB_NAME
451static ERR_STRING_DATA ${lib}_lib_name[]=
452 {
453{0 ,${lib}_LIB_NAME},
454{0,NULL}
455 };
456#endif
457
458
459int ${lib}_lib_error_code=0;
460
461void ERR_load_${lib}_strings(void)
462 {
463 static int init=1;
464
465 if (${lib}_lib_error_code == 0)
466 ${lib}_lib_error_code=ERR_get_next_error_library();
467
468 if (init)
469 {
470 init=0;
471#ifndef NO_ERR
472 ERR_load_strings(${lib}_lib_error_code,${lib}_str_functs);
473 ERR_load_strings(${lib}_lib_error_code,${lib}_str_reasons);
474#endif
475
476#ifdef ${lib}_LIB_NAME
477 ${lib}_lib_name->error = ERR_PACK(${lib}_lib_error_code,0,0);
478 ERR_load_strings(0,${lib}_lib_name);
479#endif
480 }
481 }
482
483void ERR_${lib}_error(int function, int reason, char *file, int line)
484 {
485 if (${lib}_lib_error_code == 0)
486 ${lib}_lib_error_code=ERR_get_next_error_library();
487 ERR_PUT_error(${lib}_lib_error_code,function,reason,file,line);
488 }
489EOF
490
491}
492
493 close OUT;
494 undef %err_reason_strings;
495}
496
497if($debug && defined(%notrans)) {
498 print STDERR "The following function codes were not translated:\n";
499 foreach(sort keys %notrans)
500 {
501 print STDERR "$_\n";
502 }
503}
504
505# Make a list of unreferenced function and reason codes
506
507foreach (keys %fcodes) {
508 push (@funref, $_) unless exists $ufcodes{$_};
509}
510
511foreach (keys %rcodes) {
512 push (@runref, $_) unless exists $urcodes{$_};
513}
514
515if($debug && defined(@funref) ) {
516 print STDERR "The following function codes were not referenced:\n";
517 foreach(sort @funref)
518 {
519 print STDERR "$_\n";
520 }
521}
522
523if($debug && defined(@runref) ) {
524 print STDERR "The following reason codes were not referenced:\n";
525 foreach(sort @runref)
526 {
527 print STDERR "$_\n";
528 }
529}
diff --git a/src/lib/libcrypto/util/mkstack.pl b/src/lib/libcrypto/util/mkstack.pl
deleted file mode 100644
index 3ee13fe7c9..0000000000
--- a/src/lib/libcrypto/util/mkstack.pl
+++ /dev/null
@@ -1,124 +0,0 @@
1#!/usr/local/bin/perl -w
2
3# This is a utility that searches out "DECLARE_STACK_OF()"
4# declarations in .h and .c files, and updates/creates/replaces
5# the corresponding macro declarations in crypto/stack/safestack.h.
6# As it's not generally possible to have macros that generate macros,
7# we need to control this from the "outside", here in this script.
8#
9# Geoff Thorpe, June, 2000 (with massive Perl-hacking
10# help from Steve Robb)
11
12my $safestack = "crypto/stack/safestack";
13
14my $do_write;
15while (@ARGV) {
16 my $arg = $ARGV[0];
17 if($arg eq "-write") {
18 $do_write = 1;
19 }
20 shift @ARGV;
21}
22
23
24@source = (<crypto/*.[ch]>, <crypto/*/*.[ch]>, <rsaref/*.[ch]>, <ssl/*.[ch]>);
25foreach $file (@source) {
26 next if -l $file;
27
28 # Open the .c/.h file for reading
29 open(IN, "< $file") || die "Can't open $file for reading: $!";
30
31 while(<IN>) {
32 if (/^DECLARE_STACK_OF\(([^)]+)\)/) {
33 push @stacklst, $1;
34 } if (/^DECLARE_ASN1_SET_OF\(([^)]+)\)/) {
35 push @asn1setlst, $1;
36 } if (/^DECLARE_PKCS12_STACK_OF\(([^)]+)\)/) {
37 push @p12stklst, $1;
38 }
39 }
40 close(IN);
41}
42
43
44
45my $old_stackfile = "";
46my $new_stackfile = "";
47my $inside_block = 0;
48my $type_thing;
49
50open(IN, "< $safestack.h") || die "Can't open input file: $!";
51while(<IN>) {
52 $old_stackfile .= $_;
53
54 if (m|^/\* This block of defines is updated by util/mkstack.pl, please do not touch! \*/|) {
55 $inside_block = 1;
56 }
57 if (m|^/\* End of util/mkstack.pl block, you may now edit :-\) \*/|) {
58 $inside_block = 0;
59 } elsif ($inside_block == 0) {
60 $new_stackfile .= $_;
61 }
62 next if($inside_block != 1);
63 $new_stackfile .= "/* This block of defines is updated by util/mkstack.pl, please do not touch! */";
64
65 foreach $type_thing (sort @stacklst) {
66 $new_stackfile .= <<EOF;
67
68#define sk_${type_thing}_new(st) SKM_sk_new($type_thing, (st))
69#define sk_${type_thing}_new_null() SKM_sk_new_null($type_thing)
70#define sk_${type_thing}_free(st) SKM_sk_free($type_thing, (st))
71#define sk_${type_thing}_num(st) SKM_sk_num($type_thing, (st))
72#define sk_${type_thing}_value(st, i) SKM_sk_value($type_thing, (st), (i))
73#define sk_${type_thing}_set(st, i, val) SKM_sk_set($type_thing, (st), (i), (val))
74#define sk_${type_thing}_zero(st) SKM_sk_zero($type_thing, (st))
75#define sk_${type_thing}_push(st, val) SKM_sk_push($type_thing, (st), (val))
76#define sk_${type_thing}_unshift(st, val) SKM_sk_unshift($type_thing, (st), (val))
77#define sk_${type_thing}_find(st, val) SKM_sk_find($type_thing, (st), (val))
78#define sk_${type_thing}_delete(st, i) SKM_sk_delete($type_thing, (st), (i))
79#define sk_${type_thing}_delete_ptr(st, ptr) SKM_sk_delete_ptr($type_thing, (st), (ptr))
80#define sk_${type_thing}_insert(st, val, i) SKM_sk_insert($type_thing, (st), (val), (i))
81#define sk_${type_thing}_set_cmp_func(st, cmp) SKM_sk_set_cmp_func($type_thing, (st), (cmp))
82#define sk_${type_thing}_dup(st) SKM_sk_dup($type_thing, st)
83#define sk_${type_thing}_pop_free(st, free_func) SKM_sk_pop_free($type_thing, (st), (free_func))
84#define sk_${type_thing}_shift(st) SKM_sk_shift($type_thing, (st))
85#define sk_${type_thing}_pop(st) SKM_sk_pop($type_thing, (st))
86#define sk_${type_thing}_sort(st) SKM_sk_sort($type_thing, (st))
87EOF
88 }
89 foreach $type_thing (sort @asn1setlst) {
90 $new_stackfile .= <<EOF;
91
92#define d2i_ASN1_SET_OF_${type_thing}(st, pp, length, d2i_func, free_func, ex_tag, ex_class) \\
93 SKM_ASN1_SET_OF_d2i($type_thing, (st), (pp), (length), (d2i_func), (free_func), (ex_tag), (ex_class))
94#define i2d_ASN1_SET_OF_${type_thing}(st, pp, i2d_func, ex_tag, ex_class, is_set) \\
95 SKM_ASN1_SET_OF_i2d($type_thing, (st), (pp), (i2d_func), (ex_tag), (ex_class), (is_set))
96#define ASN1_seq_pack_${type_thing}(st, i2d_func, buf, len) \\
97 SKM_ASN1_seq_pack($type_thing, (st), (i2d_func), (buf), (len))
98#define ASN1_seq_unpack_${type_thing}(buf, len, d2i_func, free_func) \\
99 SKM_ASN1_seq_unpack($type_thing, (buf), (len), (d2i_func), (free_func))
100EOF
101 }
102 foreach $type_thing (sort @p12stklst) {
103 $new_stackfile .= <<EOF;
104
105#define PKCS12_decrypt_d2i_${type_thing}(algor, d2i_func, free_func, pass, passlen, oct, seq) \\
106 SKM_PKCS12_decrypt_d2i($type_thing, (algor), (d2i_func), (free_func), (pass), (passlen), (oct), (seq))
107EOF
108 }
109 $new_stackfile .= "/* End of util/mkstack.pl block, you may now edit :-) */\n";
110 $inside_block = 2;
111}
112
113
114if ($new_stackfile eq $old_stackfile) {
115 print "No changes to $safestack.h.\n";
116 exit 0; # avoid unnecessary rebuild
117}
118
119if ($do_write) {
120 print "Writing new $safestack.h.\n";
121 open OUT, ">$safestack.h" || die "Can't open output file";
122 print OUT $new_stackfile;
123 close OUT;
124}