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#!/usr/bin/perl -w
#
# Update spec files across dlls that share an implementation
#
# Copyright 2011 Alexandre Julliard
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
#

use strict;

my %funcs;
my $group_head;

my @dll_groups =
(
 [
  "msvcrt",
31
  "msvcirt",
32 33 34 35 36 37 38
  "msvcrt40",
  "msvcrt20",
 ],
 [
  "msvcrt",
  "msvcp90",
  "msvcp100",
39
  "msvcp110",
40
  "msvcp120",
41
  "msvcp140",
42
  "msvcp71",
43
  "msvcp80",
44 45 46
  "msvcp70",
  "msvcp60",
 ],
47 48 49
 [
  "msvcr120",
  "msvcr120_app",
50
  "concrt140",
51
 ],
52 53 54
 [
  "ucrtbase",
  "api-ms-win-crt-conio-l1-1-0",
55
  "api-ms-win-crt-convert-l1-1-0",
56
  "api-ms-win-crt-environment-l1-1-0",
57
  "api-ms-win-crt-filesystem-l1-1-0",
58
  "api-ms-win-crt-heap-l1-1-0",
59
  "api-ms-win-crt-locale-l1-1-0",
60
  "api-ms-win-crt-math-l1-1-0",
61
  "api-ms-win-crt-multibyte-l1-1-0",
62
  "api-ms-win-crt-private-l1-1-0",
63
  "api-ms-win-crt-process-l1-1-0",
64
  "api-ms-win-crt-runtime-l1-1-0",
65
  "api-ms-win-crt-stdio-l1-1-0",
66
  "api-ms-win-crt-string-l1-1-0",
67
  "api-ms-win-crt-time-l1-1-0",
68
  "api-ms-win-crt-utility-l1-1-0",
69
  "vcruntime140",
70
 ],
71 72 73 74
 [
  "msvcp120",
  "msvcp120_app",
 ],
75 76 77 78
 [
  "d3d10",
  "d3d10_1",
 ],
79 80 81 82 83 84 85 86 87 88 89 90 91 92 93
 [
  "d3dx10_43",
  "d3dx10_42",
  "d3dx10_41",
  "d3dx10_40",
  "d3dx10_39",
  "d3dx10_38",
  "d3dx10_37",
  "d3dx10_36",
  "d3dx10_35",
  "d3dx10_34",
  "d3dx10_33",
 ],
 [
  "xinput1_3",
94
  "xinput1_4",
95 96 97 98
  "xinput1_2",
  "xinput1_1",
  "xinput9_1_0",
 ],
99 100 101
 [
  "setupapi",
  "cfgmgr32",
102
  "api-ms-win-devices-config-l1-1-0",
103
  "api-ms-win-devices-config-l1-1-1",
104
  "api-ms-win-devices-query-l1-1-1",
105
 ],
106 107
 [
  "vcomp",
108
  "vcomp140",
109
  "vcomp120",
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110
  "vcomp110",
111
  "vcomp100",
112
  "vcomp90",
113
 ],
114 115
 [
  "advapi32",
116
  "api-ms-win-core-localregistry-l1-1-0",
117
  "api-ms-win-downlevel-advapi32-l1-1-0",
118
  "api-ms-win-downlevel-advapi32-l2-1-0",
119
  "api-ms-win-security-base-l1-1-0",
120
  "api-ms-win-core-registry-l1-1-0",
121
  "api-ms-win-core-registry-l2-1-0",
122
  "api-ms-win-core-registry-l2-2-0",
123
  "api-ms-win-core-shutdown-l1-1-0",
124
  "api-ms-win-eventing-classicprovider-l1-1-0",
125
  "api-ms-win-eventing-consumer-l1-1-0",
126
  "api-ms-win-eventing-controller-l1-1-0",
127
  "api-ms-win-eventing-legacy-l1-1-0",
128
  "api-ms-win-eventing-provider-l1-1-0",
129
  "api-ms-win-eventlog-legacy-l1-1-0",
130
  "api-ms-win-perf-legacy-l1-1-0",
131
  "api-ms-win-security-audit-l1-1-1",
132
  "api-ms-win-security-base-l1-2-0",
133
  "api-ms-win-security-base-private-l1-1-1",
134
  "api-ms-win-security-credentials-l1-1-0",
135
  "api-ms-win-security-cryptoapi-l1-1-0",
136
  "api-ms-win-security-lsalookup-l1-1-0",
137
  "api-ms-win-security-lsalookup-l1-1-1",
138
  "api-ms-win-security-lsalookup-l2-1-0",
139
  "api-ms-win-security-lsalookup-l2-1-1",
140
  "api-ms-win-security-lsapolicy-l1-1-0",
141
  "api-ms-win-security-provider-l1-1-0",
142
  "api-ms-win-security-sddl-l1-1-0",
143
  "api-ms-win-security-systemfunctions-l1-1-0",
144
  "api-ms-win-service-core-l1-1-0",
145
  "api-ms-win-service-core-l1-1-1",
146
  "api-ms-win-service-management-l1-1-0",
147
  "api-ms-win-service-management-l2-1-0",
148
  "api-ms-win-service-private-l1-1-1",
149
  "api-ms-win-service-winsvc-l1-1-0",
150
  "api-ms-win-service-winsvc-l1-2-0",
151
  "sechost",
152
 ],
153 154 155 156
 [
  "authz",
  "ext-ms-win-authz-context-l1-1-0",
 ],
157 158 159 160
 [
  "comctl32",
  "ext-ms-win-shell-comctl32-init-l1-1-0",
 ],
161 162 163 164
 [
  "comdlg32",
  "ext-ms-win-shell-comdlg32-l1-1-0",
 ],
165 166 167 168
 [
  "credui",
  "ext-ms-win-security-credui-l1-1-0",
 ],
169 170 171 172
 [
  "cryptui",
  "ext-ms-win-security-cryptui-l1-1-0",
 ],
173 174 175 176
 [
  "dwmapi",
  "ext-ms-win-dwmapi-ext-l1-1-0",
 ],
177 178 179
 [
  "netapi32",
  "ext-ms-win-domainjoin-netjoin-l1-1-0",
180
  "srvcli",
181
 ],
182 183 184 185
 [
  "ntdll",
  "api-ms-win-core-xstate-l1-1-0",
 ],
186 187 188 189
 [
  "ntdll",
  "powrprof",
  "api-ms-win-power-base-l1-1-0",
190
  "api-ms-win-power-setting-l1-1-0",
191
 ],
192 193 194 195
 [
  "ntdsapi",
  "api-ms-win-security-activedirectoryclient-l1-1-0",
 ],
196 197 198 199
 [
  "rasapi32",
  "ext-ms-win-ras-rasapi32-l1-1-0",
 ],
200 201
 [
  "kernel32",
202
#  "kernelbase",
203
  "api-ms-win-appmodel-identity-l1-1-0",
204
  "api-ms-win-appmodel-runtime-l1-1-1",
205
  "api-ms-win-downlevel-normaliz-l1-1-0",
206
  "api-ms-win-core-appcompat-l1-1-1",
207
  "api-ms-win-core-atoms-l1-1-0",
208
  "api-ms-win-core-comm-l1-1-0",
209
  "api-ms-win-core-debug-l1-1-0",
210
  "api-ms-win-core-debug-l1-1-1",
211
  "api-ms-win-core-delayload-l1-1-0",
212
  "api-ms-win-core-delayload-l1-1-1",
213
  "api-ms-win-core-errorhandling-l1-1-0",
214
  "api-ms-win-core-errorhandling-l1-1-1",
215 216
  "api-ms-win-core-errorhandling-l1-1-2",
  "api-ms-win-core-errorhandling-l1-1-3",
217
  "api-ms-win-core-interlocked-l1-1-0",
218
  "api-ms-win-core-interlocked-l1-2-0",
219
  "api-ms-win-core-misc-l1-1-0",
220
  "api-ms-win-core-profile-l1-1-0",
221
  "api-ms-win-core-realtime-l1-1-0",
222
  "api-ms-win-core-realtime-l1-1-1",
223
  "api-ms-win-core-sidebyside-l1-1-0",
224
  "api-ms-win-core-string-l1-1-0",
225
  "api-ms-win-core-string-obsolete-l1-1-0",
226
  "api-ms-win-core-sysinfo-l1-1-0",
227
  "api-ms-win-core-sysinfo-l1-2-0",
228
  "api-ms-win-core-util-l1-1-0",
229
  "api-ms-win-core-synch-ansi-l1-1-0",
230
  "api-ms-win-core-synch-l1-1-0",
231
  "api-ms-win-core-synch-l1-2-0",
232
  "api-ms-win-core-synch-l1-2-1",
233
  "api-ms-win-core-console-l1-1-0",
234
  "api-ms-win-core-console-l1-2-0",
235
  "api-ms-win-core-console-l2-1-0",
236
  "api-ms-win-core-console-l3-2-0",
237
  "api-ms-win-core-file-l1-1-0",
238
  "api-ms-win-core-file-l1-2-1",
239
  "api-ms-win-core-file-l1-2-0",
240
  "api-ms-win-core-file-l1-2-2",
241 242
  "api-ms-win-core-file-l2-1-0",
  "api-ms-win-core-file-l2-1-1",
243
  "api-ms-win-core-file-l2-1-2",
244
  "api-ms-win-core-file-ansi-l2-1-0",
245
  "api-ms-win-core-file-fromapp-l1-1-0",
246
  "api-ms-win-core-handle-l1-1-0",
247
  "api-ms-win-core-heap-l1-1-0",
248
  "api-ms-win-core-heap-l1-2-0",
249
  "api-ms-win-core-heap-l2-1-0",
250
  "api-ms-win-core-heap-obsolete-l1-1-0",
251
  "api-ms-win-core-io-l1-1-0",
252
  "api-ms-win-core-io-l1-1-1",
253
  "api-ms-win-core-job-l1-1-0",
254
  "api-ms-win-core-job-l2-1-0",
255
  "api-ms-win-core-kernel32-legacy-l1-1-0",
256
  "api-ms-win-core-kernel32-legacy-l1-1-1",
257
  "api-ms-win-core-kernel32-legacy-l1-1-2",
258
  "api-ms-win-core-kernel32-legacy-l1-1-5",
259
  "api-ms-win-core-kernel32-private-l1-1-1",
260
  "api-ms-win-core-largeinteger-l1-1-0",
261
  "api-ms-win-core-libraryloader-l1-2-1",
262
  "api-ms-win-core-libraryloader-l1-2-2",
263
  "api-ms-win-core-libraryloader-l2-1-0",
264
  "api-ms-win-core-localization-l1-1-0",
265
  "api-ms-win-core-localization-l1-2-0",
266
  "api-ms-win-core-localization-l2-1-0",
267
  "api-ms-win-core-localization-obsolete-l1-1-0",
268
  "api-ms-win-core-localization-obsolete-l1-2-0",
269
  "api-ms-win-core-localization-obsolete-l1-3-0",
270
  "api-ms-win-core-localization-private-l1-1-0",
271
  "api-ms-win-core-memory-l1-1-0",
272
  "api-ms-win-core-memory-l1-1-1",
273
  "api-ms-win-core-memory-l1-1-2",
274
  "api-ms-win-core-memory-l1-1-3",
275
  "api-ms-win-core-memory-l1-1-4",
276
  "api-ms-win-core-namespace-l1-1-0",
277
  "api-ms-win-core-normalization-l1-1-0",
278
  "api-ms-win-core-privateprofile-l1-1-1",
279
  "api-ms-win-core-processenvironment-l1-1-0",
280
  "api-ms-win-core-processenvironment-l1-2-0",
281
  "api-ms-win-core-psapi-l1-1-0",
282
  "api-ms-win-core-psapi-ansi-l1-1-0",
283
  "api-ms-win-core-psapi-obsolete-l1-1-0",
284
  "api-ms-win-core-threadpool-l1-1-0",
285
  "api-ms-win-core-threadpool-l1-2-0",
286
  "api-ms-win-core-threadpool-legacy-l1-1-0",
287
  "api-ms-win-core-threadpool-private-l1-1-0",
288
  "api-ms-win-core-timezone-l1-1-0",
289
  "api-ms-win-core-toolhelp-l1-1-0",
290
  "api-ms-win-core-sysinfo-l1-2-1",
291
  "api-ms-win-core-fibers-l1-1-0",
292
  "api-ms-win-core-fibers-l1-1-1",
293
  "api-ms-win-core-localization-l1-2-1",
294
  "api-ms-win-core-localization-l1-2-2",
295
  "api-ms-win-core-datetime-l1-1-0",
296
  "api-ms-win-core-datetime-l1-1-1",
297
  "api-ms-win-core-windowserrorreporting-l1-1-0",
298
  "api-ms-win-core-wow64-l1-1-0",
299
  "api-ms-win-core-wow64-l1-1-1",
300
  "api-ms-win-core-xstate-l2-1-0",
301
  "api-ms-win-core-processtopology-l1-1-0",
302
  "api-ms-win-core-processtopology-obsolete-l1-1-0",
303
  "api-ms-win-core-util-l1-1-0",
304
  "api-ms-win-downlevel-kernel32-l2-1-0",
305
  "ext-ms-win-kernel32-package-current-l1-1-0",
306
  "ext-ms-win-kernel32-package-l1-1-1",
307
 ],
308 309 310
 [
  "kernel32",
  "user32",
311
  "api-ms-win-core-appinit-l1-1-0",
312 313
  "api-ms-win-core-libraryloader-l1-1-0",
  "api-ms-win-core-libraryloader-l1-1-1",
314
  "api-ms-win-core-libraryloader-l1-2-0",
315
 ],
316 317 318
 [
  "kernel32",
  "advapi32",
319
  "api-ms-win-core-namedpipe-ansi-l1-1-0",
320 321
  "api-ms-win-core-namedpipe-l1-1-0",
  "api-ms-win-core-namedpipe-l1-2-0",
322
  "api-ms-win-core-processthreads-l1-1-0",
323
  "api-ms-win-core-processthreads-l1-1-1",
324
  "api-ms-win-core-processthreads-l1-1-2",
325
  "api-ms-win-core-processthreads-l1-1-3",
326
 ],
327 328 329 330
 [
  "kernel32",
  "advapi32",
  "user32",
331 332
  "shlwapi",
  "version",
333
  "api-ms-win-core-bem-l1-1-0",
334
 ],
335 336
 [
  "kernelbase",
337
  "api-ms-win-appmodel-runtime-l1-1-2",
338
  "api-ms-win-core-path-l1-1-0",
339
  "api-ms-win-core-quirks-l1-1-0",
340
  "api-ms-win-core-systemtopology-l1-1-0",
341
  "api-ms-win-security-grouppolicy-l1-1-0",
342
 ],
343 344 345 346
 [
  "combase",
  "api-ms-win-core-com-private-l1-1-0",
 ],
347 348 349
 [
  "ole32",
  "api-ms-win-downlevel-ole32-l1-1-0",
350
  "api-ms-win-core-com-l1-1-0",
351
  "api-ms-win-core-com-l1-1-1",
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352
  "iprop",
353
 ],
354 355 356 357
 [
  "oleacc",
  "ext-ms-win-oleacc-l1-1-0",
 ],
358 359 360 361
 [
  "secur32",
  "sspicli",
 ],
362 363 364 365
 [
  "shcore",
  "api-ms-win-core-featurestaging-l1-1-0",
 ],
366 367 368 369 370 371
 [
  "shcore",
  "shell32",
  "api-ms-win-shcore-obsolete-l1-1-0",
  "api-ms-win-shcore-thread-l1-1-0",
  "api-ms-win-shcore-stream-l1-1-0",
372
  "api-ms-win-shcore-stream-winrt-l1-1-0",
373
  "api-ms-win-shcore-scaling-l1-1-0",
374
  "api-ms-win-shcore-scaling-l1-1-1",
375
 ],
376 377 378
 [
  "shell32",
  "api-ms-win-downlevel-shell32-l1-1-0",
379
  "api-ms-win-shell-shellcom-l1-1-0",
380
  "api-ms-win-shell-shellfolders-l1-1-0",
381
  "ext-ms-win-shell-shell32-l1-2-0",
382
 ],
383 384 385
 [
  "shlwapi",
  "api-ms-win-downlevel-shlwapi-l1-1-0",
386
  "api-ms-win-downlevel-shlwapi-l2-1-0",
387
  "api-ms-win-core-registryuserspecific-l1-1-0",
388
  "api-ms-win-core-shlwapi-legacy-l1-1-0",
389
  "api-ms-win-core-shlwapi-obsolete-l1-1-0",
390
  "api-ms-win-core-shlwapi-obsolete-l1-2-0",
391
  "api-ms-win-core-url-l1-1-0",
392
 ],
393 394
 [
  "user32",
395
  "api-ms-win-core-stringansi-l1-1-0",
396
  "api-ms-win-core-stringloader-l1-1-1",
397
  "api-ms-win-core-string-l2-1-0",
398
  "api-ms-win-downlevel-user32-l1-1-0",
399
  "api-ms-win-ntuser-dc-access-l1-1-0",
400
  "api-ms-win-rtcore-ntuser-draw-l1-1-0",
401
  "api-ms-win-rtcore-ntuser-private-l1-1-0",
402
  "api-ms-win-rtcore-ntuser-private-l1-1-4",
403
  "api-ms-win-rtcore-ntuser-window-l1-1-0",
404
  "api-ms-win-rtcore-ntuser-winevent-l1-1-0",
405
  "api-ms-win-rtcore-ntuser-wmpointer-l1-1-0",
406
  "api-ms-win-rtcore-ntuser-wmpointer-l1-1-3",
407
  "ext-ms-win-ntuser-dialogbox-l1-1-0",
408
  "ext-ms-win-ntuser-draw-l1-1-0",
409
  "ext-ms-win-ntuser-gui-l1-1-0",
410
  "ext-ms-win-ntuser-gui-l1-3-0",
411
  "ext-ms-win-ntuser-keyboard-l1-3-0",
412
  "ext-ms-win-ntuser-message-l1-1-0",
413
  "ext-ms-win-ntuser-message-l1-1-1",
414
  "ext-ms-win-ntuser-misc-l1-1-0",
415
  "ext-ms-win-ntuser-misc-l1-2-0",
416
  "ext-ms-win-ntuser-misc-l1-5-1",
417
  "ext-ms-win-ntuser-mouse-l1-1-0",
418
  "ext-ms-win-ntuser-private-l1-1-1",
419
  "ext-ms-win-ntuser-private-l1-3-1",
420
  "ext-ms-win-ntuser-rectangle-ext-l1-1-0",
421
  "api-ms-win-ntuser-rectangle-l1-1-0",
422
  "api-ms-win-ntuser-sysparams-l1-1-0",
423
  "ext-ms-win-ntuser-uicontext-ext-l1-1-0",
424
  "ext-ms-win-ntuser-windowclass-l1-1-0",
425
  "ext-ms-win-ntuser-windowclass-l1-1-1",
426
  "ext-ms-win-ntuser-window-l1-1-0",
427
  "ext-ms-win-ntuser-window-l1-1-1",
428
  "ext-ms-win-ntuser-window-l1-1-4",
429
  "ext-ms-win-rtcore-ntuser-cursor-l1-1-0",
430
  "ext-ms-win-rtcore-ntuser-dc-access-l1-1-0",
431
  "ext-ms-win-rtcore-ntuser-dpi-l1-1-0",
432
  "ext-ms-win-rtcore-ntuser-dpi-l1-2-0",
433
  "ext-ms-win-rtcore-ntuser-rawinput-l1-1-0",
434
  "ext-ms-win-rtcore-ntuser-syscolors-l1-1-0",
435
  "ext-ms-win-rtcore-ntuser-sysparams-l1-1-0",
436
 ],
437 438
 [
  "version",
439
  "api-ms-win-core-versionansi-l1-1-0",
440
  "api-ms-win-core-version-l1-1-0",
441
  "api-ms-win-core-version-l1-1-1",
442
  "api-ms-win-core-version-private-l1-1-0",
443 444
  "api-ms-win-downlevel-version-l1-1-0",
 ],
445 446
 [
  "winmm",
447
  "api-ms-win-mm-joystick-l1-1-0",
448
  "api-ms-win-mm-misc-l1-1-1",
449
  "api-ms-win-mm-mme-l1-1-0",
450
  "api-ms-win-mm-time-l1-1-0",
451
 ],
452 453 454
 [
  "msvcrt",
  "ntdll",
455
  "ntoskrnl.exe",
456
  "api-ms-win-core-apiquery-l1-1-0",
457
  "api-ms-win-core-rtlsupport-l1-1-0",
458
  "api-ms-win-core-rtlsupport-l1-2-0",
459
  "api-ms-win-core-crt-l1-1-0",
460
  "api-ms-win-core-crt-l2-1-0",
461
 ],
462 463
 [
  "gdi32",
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  "api-ms-win-dx-d3dkmt-l1-1-0",
465
  "api-ms-win-gdi-dpiinfo-l1-1-0",
466
  "ext-ms-win-gdi-dc-create-l1-1-0",
467
  "ext-ms-win-gdi-dc-create-l1-1-1",
468
  "ext-ms-win-gdi-dc-l1-2-0",
469
  "ext-ms-win-gdi-devcaps-l1-1-0",
470
  "ext-ms-win-gdi-draw-l1-1-0",
471
  "ext-ms-win-gdi-draw-l1-1-1",
472
  "ext-ms-win-gdi-font-l1-1-0",
473
  "ext-ms-win-gdi-font-l1-1-1",
474
  "ext-ms-win-gdi-render-l1-1-0",
475
  "ext-ms-win-rtcore-gdi-devcaps-l1-1-0",
476
  "ext-ms-win-rtcore-gdi-object-l1-1-0",
477
  "ext-ms-win-rtcore-gdi-rgn-l1-1-0",
478
  "usp10"
479
 ],
480 481
 [
  "combase",
482 483
  "api-ms-win-core-winrt-error-l1-1-0",
  "api-ms-win-core-winrt-error-l1-1-1",
484
  "api-ms-win-core-winrt-errorprivate-l1-1-1",
485
  "api-ms-win-core-winrt-l1-1-0",
486
  "api-ms-win-core-winrt-registration-l1-1-0",
487
  "api-ms-win-core-winrt-roparameterizediid-l1-1-0",
488
  "api-ms-win-core-winrt-string-l1-1-0",
489
  "api-ms-win-core-winrt-string-l1-1-1",
490
 ],
491 492 493 494
 [
  "uxtheme",
  "ext-ms-win-uxtheme-themes-l1-1-0",
 ],
Paul Gofman's avatar
Paul Gofman committed
495 496 497 498
 [
  "gamingtcui",
  "api-ms-win-gaming-tcui-l1-1-0",
 ],
499 500 501 502
 [
  "bthprops.cpl",
  "irprops.cpl",
 ],
503 504 505 506
 [
  "sfc_os",
  "sfc",
 ],
Alex Henrie's avatar
Alex Henrie committed
507 508 509
 [
  "bcrypt",
  "ncrypt",
510
  "cng.sys",
Alex Henrie's avatar
Alex Henrie committed
511
 ],
512 513 514 515
 [
  "ntoskrnl.exe",
  "hal",
 ],
Zebediah Figura's avatar
Zebediah Figura committed
516 517 518 519
 [
  "mscoree",
  "mscorwks",
 ],
520 521 522 523
 [
  "sppc",
  "slc",
 ],
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);

my $update_flags = 0;
my $show_duplicates = 0;

foreach my $arg (@ARGV)
{
    if ($arg eq "-f") { $update_flags = 1; }
    elsif ($arg eq "-d") { $show_duplicates = 1; }
}

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# update a file if changed
sub update_file($$)
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{
    my $file = shift;
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    my $new = shift;

    open FILE, ">$file.new" or die "cannot create $file.new";
    print FILE $new;
    close FILE;
    rename "$file.new", "$file";
    print "$file updated\n";
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}

# parse a spec file line
sub parse_line($$$)
{
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    my ($name, $line, $str) = @_;
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    if ($str =~ /^\s*(\@|\d+)\s+(stdcall|cdecl|varargs|thiscall|stub|extern)\s+((?:-\S+\s+)*)([A-Za-z0-9_\@\$?]+)(?:\s*(\([^)]*\)))?(?:\s+([A-Za-z0-9_\@\$?.]+))?(\s*\#.*)?/)
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    {
        return ( "ordinal" => $1, "callconv" => $2, "flags" => $3, "name" => $4, "args" => $5 || "",
                 "target" => $6 || $4, "comment" => $7, "spec" => $name );
    }
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    return () if $str =~ /^\s*$/;
    return () if $str =~ /^\s*\#/;
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    printf STDERR "$name.spec:$line: error: Unrecognized line $_\n";
}

sub read_spec_file($)
{
    my $name = shift;
    my $file = "dlls/$name/$name.spec";
    my %stubs;
    open SPEC, "<$file" or die "cannot open $file";
    while (<SPEC>)
    {
        chomp;
        my %descr = parse_line( $name, $., $_ );
        next unless %descr;

        my $func = $descr{name};
        next if defined $funcs{$func};
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        next if $func eq "@";
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        $funcs{$func} = \%descr;
    }
    close SPEC;
}

sub update_spec_file($)
{
    my $name = shift;
    my $file = "dlls/$name/$name.spec";
    my %stubs;
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    my ($old, $new);
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    open SPEC, "<$file" or die "cannot open $file";
    while (<SPEC>)
    {
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        $old .= $_;
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        chomp;

        my $commented_out = 0;
        my %descr = parse_line( $name, $., $_ );
        if (!%descr)
        {
            # check for commented out exports
            if (/^\s*\#\s*((?:\@|\d+)\s+)?((?:extern|stub|stdcall|cdecl|varargs|thiscall)\s+.*)/)
            {
                $commented_out = 1;
                %descr = parse_line( $name, $., ($1 || "\@ ") . $2 );
            }
        }
        goto done unless %descr;

        my $func = $descr{name};
        if (!defined $funcs{$func})
        {
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            $funcs{$func} = \%descr unless $commented_out || $name =~ /-/;
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            goto done;
        }

        my %parent = %{$funcs{$func}};
        goto done if $parent{spec} eq $descr{spec};  # the definition is in this spec file
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        goto done if $descr{comment} && $descr{comment} =~ /don't forward/;
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        if ($descr{callconv} ne "stub" && $descr{target} !~ /\./ && !$commented_out)
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        {
            printf "%s:%u: note: %s already defined in %s\n", $file, $., $func, $parent{spec} if $show_duplicates;
            goto done;
        }

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        my $flags = $descr{flags};
        if ($parent{callconv} ne "stub" || $update_flags)
        {
            $flags = $parent{flags};
            $flags =~ s/-ordinal\s*// if $descr{ordinal} eq "@";
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            $flags =~ s/-noname\s*// if $descr{ordinal} eq "@";
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            $flags =~ s/-import\s*//;
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            if ($descr{flags} =~ /-private/)  # preserve -private flag
            {
                $flags = "-private " . $flags unless $flags =~ /-private/;
            }
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        }
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        if ($parent{callconv} ne "stub" || $parent{args})
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        {
            my $callconv = $parent{callconv} ne "stub" ? $parent{callconv} :
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                           $parent{spec} =~ /(msvc|ucrtbase)/ ? "cdecl" : "stdcall";  # hack
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            $_ = sprintf "$descr{ordinal} %s %s%s", $callconv, $flags, $func;
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            if ($parent{target} =~ /$group_head\./)  # use the same forward as parent if possible
            {
                $_ .= sprintf "%s %s", $parent{args}, $parent{target};
            }
            else
            {
                $_ .= sprintf "%s %s.%s", $parent{args}, $parent{spec}, $func;
            }
        }
        else
        {
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            $_ = sprintf "$descr{ordinal} stub %s%s", $flags, $func;
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        }
        $_ .= $descr{comment} || "";

      done:
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        $new .= "$_\n";
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    }
    close SPEC;
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    update_file( $file, $new ) if $old ne $new;
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}

sub sync_spec_files(@)
{
    %funcs = ();
    $group_head = shift;
    read_spec_file( $group_head );
    foreach my $spec (@_) { update_spec_file($spec); }
}

foreach my $group (@dll_groups)
{
    sync_spec_files( @{$group} );
}