Sun Mar 11 09:54:07 2018 UTC ()
merge libXres 1.2.0.


(mrg)
diff -r1.3 -r1.4 xsrc/external/mit/libXres/dist/src/XRes.c

cvs diff -r1.3 -r1.4 xsrc/external/mit/libXres/dist/src/XRes.c (expand / switch to unified diff)

--- xsrc/external/mit/libXres/dist/src/XRes.c 2013/06/03 04:37:59 1.3
+++ xsrc/external/mit/libXres/dist/src/XRes.c 2018/03/11 09:54:07 1.4
@@ -2,39 +2,29 @@ @@ -2,39 +2,29 @@
2 Copyright (c) 2002 XFree86 Inc 2 Copyright (c) 2002 XFree86 Inc
3*/ 3*/
4 4
5#ifdef HAVE_CONFIG_H 5#ifdef HAVE_CONFIG_H
6#include <config.h> 6#include <config.h>
7#endif 7#endif
8#include <stdlib.h> 8#include <stdlib.h>
9#include <X11/Xlibint.h> 9#include <X11/Xlibint.h>
10#include <X11/Xutil.h> 10#include <X11/Xutil.h>
11#include <X11/extensions/Xext.h> 11#include <X11/extensions/Xext.h>
12#include <X11/extensions/extutil.h> 12#include <X11/extensions/extutil.h>
13#include <X11/extensions/XResproto.h> 13#include <X11/extensions/XResproto.h>
14#include <X11/extensions/XRes.h> 14#include <X11/extensions/XRes.h>
 15#include <assert.h>
15#include <limits.h> 16#include <limits.h>
16 17
17#ifndef HAVE__XEATDATAWORDS 
18static inline void _XEatDataWords(Display *dpy, unsigned long n) 
19{ 
20# ifndef LONG64 
21 if (n >= (ULONG_MAX >> 2)) 
22 _XIOError(dpy); 
23# endif 
24 _XEatData (dpy, n << 2); 
25} 
26#endif 
27 
28static XExtensionInfo _xres_ext_info_data; 18static XExtensionInfo _xres_ext_info_data;
29static XExtensionInfo *xres_ext_info = &_xres_ext_info_data; 19static XExtensionInfo *xres_ext_info = &_xres_ext_info_data;
30static const char *xres_extension_name = XRES_NAME; 20static const char *xres_extension_name = XRES_NAME;
31 21
32#define XResCheckExtension(dpy,i,val) \ 22#define XResCheckExtension(dpy,i,val) \
33 XextCheckExtension (dpy, i, xres_extension_name, val) 23 XextCheckExtension (dpy, i, xres_extension_name, val)
34 24
35static XEXT_GENERATE_CLOSE_DISPLAY (close_display, xres_ext_info) 25static XEXT_GENERATE_CLOSE_DISPLAY (close_display, xres_ext_info)
36 26
37static XExtensionHooks xres_extension_hooks = { 27static XExtensionHooks xres_extension_hooks = {
38 NULL, /* create_gc */ 28 NULL, /* create_gc */
39 NULL, /* copy_gc */ 29 NULL, /* copy_gc */
40 NULL, /* flush_gc */ 30 NULL, /* flush_gc */
@@ -229,23 +219,247 @@ Status XResQueryClientPixmapBytes ( @@ -229,23 +219,247 @@ Status XResQueryClientPixmapBytes (
229 219
230 LockDisplay (dpy); 220 LockDisplay (dpy);
231 GetReq (XResQueryClientPixmapBytes, req); 221 GetReq (XResQueryClientPixmapBytes, req);
232 req->reqType = info->codes->major_opcode; 222 req->reqType = info->codes->major_opcode;
233 req->XResReqType = X_XResQueryClientPixmapBytes; 223 req->XResReqType = X_XResQueryClientPixmapBytes;
234 req->xid = xid; 224 req->xid = xid;
235 if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) { 225 if (!_XReply (dpy, (xReply *) &rep, 0, xTrue)) {
236 UnlockDisplay (dpy); 226 UnlockDisplay (dpy);
237 SyncHandle (); 227 SyncHandle ();
238 return 0; 228 return 0;
239 } 229 }
240 230
241#ifdef LONG64 231#ifdef LONG64
242 *bytes = (rep.bytes_overflow * 4294967295) + rep.bytes; 232 *bytes = (rep.bytes_overflow * 4294967296UL) + rep.bytes;
243#else 233#else
244 *bytes = rep.bytes_overflow ? 0xffffffff : rep.bytes; 234 *bytes = rep.bytes_overflow ? 0xffffffff : rep.bytes;
245#endif 235#endif
246 236
247 UnlockDisplay (dpy); 237 UnlockDisplay (dpy);
248 SyncHandle (); 238 SyncHandle ();
249 return 1; 239 return 1;
250} 240}
251 241
 242static Bool ReadClientValues(
 243 Display *dpy,
 244 long num_ids,
 245 XResClientIdValue *client_ids /* out */
 246)
 247{
 248 int c;
 249 for (c = 0; c < num_ids; ++c) {
 250 XResClientIdValue* client = client_ids + c;
 251 long int value;
 252 _XRead32 (dpy, &value, 4);
 253 client->spec.client = value;
 254 _XRead32 (dpy, &value, 4);
 255 client->spec.mask = value;
 256 _XRead32 (dpy, &value, 4);
 257 client->length = value;
 258 client->value = malloc(client->length);
 259 _XRead32 (dpy, client->value, client->length);
 260 }
 261 return True;
 262}
 263
 264Status XResQueryClientIds (
 265 Display *dpy,
 266 long num_specs,
 267 XResClientIdSpec *client_specs, /* in */
 268 long *num_ids, /* out */
 269 XResClientIdValue **client_ids /* out */
 270)
 271{
 272 XExtDisplayInfo *info = find_display (dpy);
 273 xXResQueryClientIdsReq *req;
 274 xXResQueryClientIdsReply rep;
 275 int c;
 276
 277 *num_ids = 0;
 278
 279 XResCheckExtension (dpy, info, 0);
 280 LockDisplay (dpy);
 281 GetReq (XResQueryClientIds, req);
 282 req->reqType = info->codes->major_opcode;
 283 req->XResReqType = X_XResQueryClientIds;
 284 req->length += num_specs * 2; /* 2 longs per client id spec */
 285 req->numSpecs = num_specs;
 286
 287 for (c = 0; c < num_specs; ++c) {
 288 Data32(dpy, &client_specs[c].client, 4);
 289 Data32(dpy, &client_specs[c].mask, 4);
 290 }
 291
 292 if (!_XReply (dpy, (xReply *) &rep, 0, xFalse)) {
 293 goto error;
 294 }
 295
 296 *client_ids = calloc(rep.numIds, sizeof(**client_ids));
 297 *num_ids = rep.numIds;
 298
 299 if (!ReadClientValues(dpy, *num_ids, *client_ids)) {
 300 goto error;
 301 }
 302
 303 UnlockDisplay (dpy);
 304 SyncHandle ();
 305 return Success;
 306
 307 error:
 308 XResClientIdsDestroy (*num_ids, *client_ids);
 309 *client_ids = NULL;
 310
 311 UnlockDisplay (dpy);
 312 SyncHandle ();
 313 return !Success;
 314}
 315
 316void XResClientIdsDestroy (
 317 long num_ids,
 318 XResClientIdValue *client_ids
 319)
 320{
 321 int c;
 322 for (c = 0; c < num_ids; ++c) {
 323 free(client_ids[c].value);
 324 }
 325 free(client_ids);
 326}
 327
 328XResClientIdType XResGetClientIdType(
 329 XResClientIdValue* value
 330)
 331{
 332 int bit;
 333 XResClientIdType idType = 0;
 334 Bool found = False;
 335 for (bit = 0; bit < XRES_CLIENT_ID_NR; ++bit) {
 336 if (value->spec.mask & (1 << bit)) {
 337 assert(!found);
 338 found = True;
 339 idType = bit;
 340 }
 341 }
 342
 343 assert(found);
 344
 345 return idType;
 346}
 347
 348pid_t XResGetClientPid(
 349 XResClientIdValue* value
 350)
 351{
 352 if (value->spec.mask & XRES_CLIENT_ID_PID_MASK && value->length >= 4) {
 353 return (pid_t) * (CARD32*) value->value;
 354 } else {
 355 return (pid_t) -1;
 356 }
 357}
 358
 359static Status ReadResourceSizeSpec(
 360 Display *dpy,
 361 XResResourceSizeSpec *size
 362)
 363{
 364 long int value;
 365 _XRead32(dpy, &value, 4);
 366 size->spec.resource = value;
 367 _XRead32(dpy, &value, 4);
 368 size->spec.type = value;
 369 _XRead32(dpy, &value, 4);
 370 size->bytes = value;
 371 _XRead32(dpy, &value, 4);
 372 size->ref_count = value;
 373 _XRead32(dpy, &value, 4);
 374 size->use_count = value;
 375 return 0;
 376}
 377
 378static Status ReadResourceSizeValues(
 379 Display *dpy,
 380 long num_sizes,
 381 XResResourceSizeValue *sizes)
 382{
 383 int c;
 384 int d;
 385 for (c = 0; c < num_sizes; ++c) {
 386 long int num;
 387 ReadResourceSizeSpec(dpy, &sizes[c].size);
 388 _XRead32(dpy, &num, 4);
 389 sizes[c].num_cross_references = num;
 390 sizes[c].cross_references = num ? calloc(num, sizeof(*sizes[c].cross_references)) : NULL;
 391 for (d = 0; d < num; ++d) {
 392 ReadResourceSizeSpec(dpy, &sizes[c].cross_references[d]);
 393 }
 394 }
 395 return Success;
 396}
 397
 398Status XResQueryResourceBytes (
 399 Display *dpy,
 400 XID client,
 401 long num_specs,
 402 XResResourceIdSpec *resource_specs, /* in */
 403 long *num_sizes, /* out */
 404 XResResourceSizeValue **sizes /* out */
 405)
 406{
 407 XExtDisplayInfo *info = find_display (dpy);
 408 xXResQueryResourceBytesReq *req;
 409 xXResQueryResourceBytesReply rep;
 410 int c;
 411
 412 *num_sizes = 0;
 413
 414 XResCheckExtension (dpy, info, 0);
 415
 416 LockDisplay (dpy);
 417 GetReq (XResQueryResourceBytes, req);
 418 req->reqType = info->codes->major_opcode;
 419 req->XResReqType = X_XResQueryResourceBytes;
 420 req->length += num_specs * 2; /* 2 longs per client id spec */
 421 req->client = client;
 422 req->numSpecs = num_specs;
 423
 424 for (c = 0; c < num_specs; ++c) {
 425 Data32(dpy, &resource_specs[c].resource, 4);
 426 Data32(dpy, &resource_specs[c].type, 4);
 427 }
 428
 429 *num_sizes = 0;
 430 *sizes = NULL;
 431
 432 if (!_XReply (dpy, (xReply *) &rep, 0, xFalse)) {
 433 goto error;
 434 }
 435
 436 *sizes = calloc(rep.numSizes, sizeof(**sizes));
 437 *num_sizes = rep.numSizes;
 438
 439 if (ReadResourceSizeValues(dpy, *num_sizes, *sizes) != Success) {
 440 goto error;
 441 }
 442
 443 UnlockDisplay (dpy);
 444 SyncHandle ();
 445 return Success;
 446
 447 error:
 448 XResResourceSizeValuesDestroy(*num_sizes, *sizes);
 449
 450 UnlockDisplay (dpy);
 451 SyncHandle ();
 452 return !Success;
 453}
 454
 455void XResResourceSizeValuesDestroy (
 456 long num_sizes,
 457 XResResourceSizeValue *sizes
 458)
 459{
 460 int c;
 461 for (c = 0; c < num_sizes; ++c) {
 462 free(sizes[c].cross_references);
 463 }
 464 free(sizes);
 465}