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| 76 | |
| 77 | #ifdef HAVE_CONFIG_H1 |
| 78 | #include <config.h> |
| 79 | #endif |
| 80 | #include "IntrinsicI.h" |
| 81 | #include "InitialI.h" |
| 82 | #undef _XBCOPYFUNC |
| 83 | |
| 84 | #include <stdlib.h> |
| 85 | #include <stdio.h> |
| 86 | #include <stdarg.h> |
| 87 | |
| 88 | #define Xmalloc(size)malloc((size)) malloc((size)) |
| 89 | #define Xrealloc(ptr, size)realloc((ptr), (size)) realloc((ptr), (size)) |
| 90 | #define Xcalloc(nelem, elsize)calloc((nelem), (elsize)) calloc((nelem), (elsize)) |
| 91 | #define Xfree(ptr)free(ptr) free(ptr) |
| 92 | |
| 93 | #ifdef _XNEEDBCOPYFUNC |
| 94 | void _XtBcopy( |
| 95 | char *src, char *dst, |
| 96 | int length) |
| 97 | { |
| 98 | if (src < dst) { |
| 99 | dst += length; |
| 100 | src += length; |
| 101 | while (length--) |
| 102 | *--dst = *--src; |
| 103 | } else { |
| 104 | while (length--) |
| 105 | *dst++ = *src++; |
| 106 | } |
| 107 | } |
| 108 | #endif |
| 109 | |
| 110 | void _XtAllocError( |
| 111 | String type) |
| 112 | { |
| 113 | Cardinal num_params = 1; |
| 114 | if (type == NULL((void*)0)) type = "local memory allocation"; |
| 115 | XtErrorMsg("allocError", type, XtCXtToolkitError, |
| 116 | "Cannot perform %s", &type, &num_params); |
| 117 | } |
| 118 | |
| 119 | void _XtHeapInit( |
| 120 | Heap* heap) |
| 121 | { |
| 122 | heap->start = NULL((void*)0); |
| 123 | heap->bytes_remaining = 0; |
| 124 | } |
| 125 | |
| 126 | |
| 127 | |
| 128 | |
| 129 | |
| 130 | Cardinal XtAsprintf( |
| 131 | String *new_string, |
| 132 | _Xconstconst char * _X_RESTRICT_KYWDrestrict format, |
| 133 | ...) |
| 134 | { |
| 135 | char buf[256]; |
| 136 | int len; |
| 137 | va_list ap; |
| 138 | |
| 139 | va_start(ap, format)__builtin_va_start(ap, format); |
| 140 | len = vsnprintf(buf, sizeof(buf), format, ap)__builtin___vsnprintf_chk (buf, sizeof(buf), 0, __builtin_object_size (buf, 2 > 1 ? 1 : 0), format, ap); |
| 141 | va_end(ap)__builtin_va_end(ap); |
| 142 | |
| 143 | if (len < 0) |
| |
| |
| 144 | _XtAllocError("vsnprintf"); |
| 145 | |
| 146 | *new_string = XtMalloc(len + 1); |
| 147 | if (len < sizeof(buf)) |
| |
| 148 | { |
| 149 | strncpy(*new_string, buf, len)__builtin___strncpy_chk (*new_string, buf, len, __builtin_object_size (*new_string, 2 > 1 ? 1 : 0)); |
| 4 | | Within the expansion of the macro 'strncpy':
|
a | Null pointer argument in call to string copy function |
|
| 150 | (*new_string)[len] = '\0'; |
| 151 | } |
| 152 | else |
| 153 | { |
| 154 | va_start(ap, format)__builtin_va_start(ap, format); |
| 155 | if (vsnprintf(*new_string, len + 1, format, ap)__builtin___vsnprintf_chk (*new_string, len + 1, 0, __builtin_object_size (*new_string, 2 > 1 ? 1 : 0), format, ap) < 0) |
| 156 | _XtAllocError("vsnprintf"); |
| 157 | va_end(ap)__builtin_va_end(ap); |
| 158 | } |
| 159 | return len; |
| 160 | } |
| 161 | |
| 162 | |
| 163 | #ifndef XTTRACEMEMORY |
| 164 | |
| 165 | char *XtMalloc( |
| 166 | unsigned size) |
| 167 | { |
| 168 | char *ptr; |
| 169 | |
| 170 | #if defined(MALLOC_0_RETURNS_NULL) && defined(XTMALLOC_BC) |
| 171 | |
| 172 | if (!size) size = 1; |
| 173 | #endif |
| 174 | if ((ptr = Xmalloc(size)malloc((size))) == NULL((void*)0)) |
| 175 | _XtAllocError("malloc"); |
| 176 | |
| 177 | return(ptr); |
| 178 | } |
| 179 | |
| 180 | char *XtRealloc( |
| 181 | char *ptr, |
| 182 | unsigned size) |
| 183 | { |
| 184 | if (ptr == NULL((void*)0)) { |
| 185 | #ifdef MALLOC_0_RETURNS_NULL |
| 186 | if (!size) size = 1; |
| 187 | #endif |
| 188 | return(XtMalloc(size)); |
| 189 | } else if ((ptr = Xrealloc(ptr, size)realloc((ptr), (size))) == NULL((void*)0) |
| 190 | #ifdef MALLOC_0_RETURNS_NULL |
| 191 | && size |
| 192 | #endif |
| 193 | ) |
| 194 | _XtAllocError("realloc"); |
| 195 | |
| 196 | return(ptr); |
| 197 | } |
| 198 | |
| 199 | char *XtCalloc( |
| 200 | unsigned num, unsigned size) |
| 201 | { |
| 202 | char *ptr; |
| 203 | |
| 204 | #if defined(MALLOC_0_RETURNS_NULL) && defined(XTMALLOC_BC) |
| 205 | |
| 206 | if (!size) num = size = 1; |
| 207 | #endif |
| 208 | if ((ptr = Xcalloc(num, size)calloc((num), (size))) == NULL((void*)0)) |
| 209 | _XtAllocError("calloc"); |
| 210 | |
| 211 | return(ptr); |
| 212 | } |
| 213 | |
| 214 | void XtFree( |
| 215 | char *ptr) |
| 216 | { |
| 217 | if (ptr != NULL((void*)0)) Xfree(ptr)free(ptr); |
| 218 | } |
| 219 | |
| 220 | char* __XtMalloc( |
| 221 | unsigned size) |
| 222 | { |
| 223 | #ifdef MALLOC_0_RETURNS_NULL |
| 224 | if (!size) size = 1; |
| 225 | #endif |
| 226 | return XtMalloc (size); |
| 227 | } |
| 228 | |
| 229 | char* __XtCalloc( |
| 230 | unsigned num, unsigned size) |
| 231 | { |
| 232 | #ifdef MALLOC_0_RETURNS_NULL |
| 233 | if (!size) num = size = 1; |
| 234 | #endif |
| 235 | return XtCalloc(num, size); |
| 236 | } |
| 237 | |
| 238 | #ifndef HEAP_SEGMENT_SIZE1492 |
| 239 | #define HEAP_SEGMENT_SIZE1492 1492 |
| 240 | #endif |
| 241 | |
| 242 | char* _XtHeapAlloc( |
| 243 | Heap* heap, |
| 244 | Cardinal bytes) |
| 245 | { |
| 246 | register char* heap_loc; |
| 247 | if (heap == NULL((void*)0)) return XtMalloc(bytes); |
| 248 | if (heap->bytes_remaining < (int)bytes) { |
| 249 | if ((bytes + sizeof(char*)) >= (HEAP_SEGMENT_SIZE1492>>1)) { |
| 250 | |
| 251 | #ifdef _TRACE_HEAP |
| 252 | printf( "allocating large segment (%d bytes) on heap %#x\n", |
| 253 | bytes, heap ); |
| 254 | #endif |
| 255 | heap_loc = XtMalloc(bytes + sizeof(char*)); |
| 256 | if (heap->start) { |
| 257 | *(char**)heap_loc = *(char**)heap->start; |
| 258 | *(char**)heap->start = heap_loc; |
| 259 | } |
| 260 | else { |
| 261 | *(char**)heap_loc = NULL((void*)0); |
| 262 | heap->start = heap_loc; |
| 263 | } |
| 264 | return heap_loc + sizeof(char*); |
| 265 | } |
| 266 | |
| 267 | #ifdef _TRACE_HEAP |
| 268 | printf( "allocating new segment on heap %#x\n", heap ); |
| 269 | #endif |
| 270 | heap_loc = XtMalloc((unsigned)HEAP_SEGMENT_SIZE1492); |
| 271 | *(char**)heap_loc = heap->start; |
| 272 | heap->start = heap_loc; |
| 273 | heap->current = heap_loc + sizeof(char*); |
| 274 | heap->bytes_remaining = HEAP_SEGMENT_SIZE1492 - sizeof(char*); |
| 275 | } |
| 276 | bytes = (bytes + (sizeof(long) - 1)) & (~(sizeof(long) - 1)); |
| 277 | heap_loc = heap->current; |
| 278 | heap->current += bytes; |
| 279 | heap->bytes_remaining -= bytes; |
| 280 | return heap_loc; |
| 281 | } |
| 282 | |
| 283 | void _XtHeapFree( |
| 284 | Heap* heap) |
| 285 | { |
| 286 | char* segment = heap->start; |
| 287 | while (segment != NULL((void*)0)) { |
| 288 | char* next_segment = *(char**)segment; |
| 289 | XtFree(segment); |
| 290 | segment = next_segment; |
| 291 | } |
| 292 | heap->start = NULL((void*)0); |
| 293 | heap->bytes_remaining = 0; |
| 294 | } |
| 295 | |
| 296 | #else |
| 297 | |
| 298 | |
| 299 | |
| 300 | |
| 301 | |
| 302 | #undef XtMalloc |
| 303 | #undef XtRealloc |
| 304 | #undef XtCalloc |
| 305 | #undef XtFree |
| 306 | |
| 307 | typedef struct _Stats *StatsPtr; |
| 308 | typedef struct _Stats { |
| 309 | StatsPtr prev, next; |
| 310 | char *file; |
| 311 | int line; |
| 312 | unsigned size; |
| 313 | unsigned long seq; |
| 314 | XtPointer heap; |
| 315 | } Stats; |
| 316 | |
| 317 | static StatsPtr XtMemory = (StatsPtr)NULL((void*)0); |
| 318 | static unsigned long ActiveXtMemory = 0; |
| 319 | static unsigned long XtSeqId = 0; |
| 320 | static unsigned long XtSeqBreakpoint = ~0; |
| 321 | |
| 322 | #define StatsSize(n) ((((n) + (sizeof(long) - 1)) & ~(sizeof(long) - 1)) + sizeof(Stats)) |
| 323 | #define ToStats(ptr) ((StatsPtr)(ptr - sizeof(Stats))) |
| 324 | #define ToMem(ptr) (((char *)ptr) + sizeof(Stats)) |
| 325 | |
| 326 | #define CHAIN(ptr,len,hp) \ |
| 327 | ptr->next = XtMemory; \ |
| 328 | if (XtMemory) \ |
| 329 | XtMemory->prev = ptr; \ |
| 330 | XtMemory = ptr; \ |
| 331 | ptr->prev = (StatsPtr)NULL((void*)0); \ |
| 332 | ptr->file = file; \ |
| 333 | ptr->line = line; \ |
| 334 | ptr->size = len; \ |
| 335 | ptr->heap = hp; \ |
| 336 | if (file) \ |
| 337 | ActiveXtMemory += len; \ |
| 338 | ptr->seq = XtSeqId; \ |
| 339 | if (XtSeqId == XtSeqBreakpoint) \ |
| 340 | _XtBreakpoint(ptr); \ |
| 341 | XtSeqId++ |
| 342 | |
| 343 | |
| 344 | static void _XtBreakpoint( |
| 345 | StatsPtr mem) |
| 346 | { |
| 347 | mem->seq = XtSeqId; |
| 348 | } |
| 349 | |
| 350 | char *_XtMalloc( |
| 351 | unsigned size, |
| 352 | char *file, |
| 353 | int line) |
| 354 | { |
| 355 | StatsPtr ptr; |
| 356 | unsigned newsize; |
| 357 | char* retval = NULL((void*)0); |
| 358 | |
| 359 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); |
| 360 | newsize = StatsSize(size); |
| 361 | if ((ptr = (StatsPtr)Xmalloc(newsize)malloc((newsize))) == NULL((void*)0)) |
| 362 | _XtAllocError("malloc"); |
| 363 | CHAIN(ptr, size, NULL((void*)0)); |
| 364 | retval = (ToMem(ptr)); |
| 365 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); |
| 366 | return retval; |
| 367 | } |
| 368 | |
| 369 | char *XtMalloc( |
| 370 | unsigned size) |
| 371 | { |
| 372 | return _XtMalloc(size, (char *)NULL((void*)0), 0); |
| 373 | } |
| 374 | |
| 375 | char *_XtRealloc( |
| 376 | char *ptr, |
| 377 | unsigned size, |
| 378 | char *file, |
| 379 | int line) |
| 380 | { |
| 381 | char *newptr; |
| 382 | |
| 383 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); |
| 384 | newptr = _XtMalloc(size, file, line); |
| 385 | if (ptr) { |
| 386 | unsigned copysize = ToStats(ptr)->size; |
| 387 | if (copysize > size) copysize = size; |
| 388 | memmove(newptr, ptr, copysize)__builtin___memmove_chk (newptr, ptr, copysize, __builtin_object_size (newptr, 0)); |
| 389 | _XtFree(ptr); |
| 390 | } |
| 391 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); |
| 392 | return(newptr); |
| 393 | } |
| 394 | |
| 395 | char *XtRealloc( |
| 396 | char *ptr, |
| 397 | unsigned size) |
| 398 | { |
| 399 | return _XtRealloc(ptr, size, (char *)NULL((void*)0), 0); |
| 400 | } |
| 401 | |
| 402 | char *_XtCalloc( |
| 403 | unsigned num, unsigned size, |
| 404 | char *file, |
| 405 | int line) |
| 406 | { |
| 407 | StatsPtr ptr; |
| 408 | unsigned total, newsize; |
| 409 | char* retval = NULL((void*)0); |
| 410 | |
| 411 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); |
| 412 | total = num * size; |
| 413 | newsize = StatsSize(total); |
| 414 | if ((ptr = (StatsPtr)Xcalloc(newsize, 1)calloc((newsize), (1))) == NULL((void*)0)) |
| 415 | _XtAllocError("calloc"); |
| 416 | CHAIN(ptr, total, NULL((void*)0)); |
| 417 | retval = (ToMem(ptr)); |
| 418 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); |
| 419 | return retval; |
| 420 | } |
| 421 | |
| 422 | char *XtCalloc( |
| 423 | unsigned num, unsigned size) |
| 424 | { |
| 425 | return _XtCalloc(num, size, (char *)NULL((void*)0), 0); |
| 426 | } |
| 427 | |
| 428 | Boolean _XtIsValidPointer( |
| 429 | char *ptr) |
| 430 | { |
| 431 | register StatsPtr mem; |
| 432 | register StatsPtr stp = ToStats(ptr); |
| 433 | |
| 434 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); |
| 435 | for (mem = XtMemory; mem; mem = mem->next) { |
| 436 | if (mem == stp) { |
| 437 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); |
| 438 | return True1; |
| 439 | } |
| 440 | } |
| 441 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); |
| 442 | return False0; |
| 443 | } |
| 444 | |
| 445 | Boolean _XtValidateMemory = False0; |
| 446 | |
| 447 | void _XtFree( |
| 448 | char *ptr) |
| 449 | { |
| 450 | register StatsPtr stp; |
| 451 | |
| 452 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); |
| 453 | if (ptr) { |
| 454 | if (_XtValidateMemory && !_XtIsValidPointer(ptr)) |
| 455 | abort(); |
| 456 | stp = ToStats(ptr); |
| 457 | if (stp->file) |
| 458 | ActiveXtMemory -= stp->size; |
| 459 | if (stp->prev) |
| 460 | stp->prev->next = stp->next; |
| 461 | else |
| 462 | XtMemory = stp->next; |
| 463 | if (stp->next) |
| 464 | stp->next->prev = stp->prev; |
| 465 | Xfree((char *)stp)free((char *)stp); |
| 466 | } |
| 467 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); |
| 468 | } |
| 469 | |
| 470 | void XtFree(char *ptr) |
| 471 | { |
| 472 | _XtFree(ptr); |
| 473 | } |
| 474 | |
| 475 | char *_XtHeapMalloc( |
| 476 | Heap *heap, |
| 477 | Cardinal size, |
| 478 | char *file, |
| 479 | int line) |
| 480 | { |
| 481 | StatsPtr ptr; |
| 482 | unsigned newsize; |
| 483 | XtPointer hp = (XtPointer) heap; |
| 484 | char* retval = NULL((void*)0); |
| 485 | |
| 486 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); |
| 487 | newsize = StatsSize(size); |
| 488 | if ((ptr = (StatsPtr)Xmalloc(newsize)malloc((newsize))) == NULL((void*)0)) |
| 489 | _XtAllocError("malloc"); |
| 490 | CHAIN(ptr, size, hp); |
| 491 | retval = (ToMem(ptr)); |
| 492 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); |
| 493 | return retval; |
| 494 | } |
| 495 | |
| 496 | void _XtHeapFree(register XtPointer heap) |
| 497 | { |
| 498 | register StatsPtr mem, next; |
| 499 | |
| 500 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); |
| 501 | for (mem = XtMemory; mem; mem = next) { |
| 502 | next = mem->next; |
| 503 | if (mem->heap == heap) { |
| 504 | if (mem->file) |
| 505 | ActiveXtMemory -= mem->size; |
| 506 | if (mem->prev) |
| 507 | mem->prev->next = next; |
| 508 | else |
| 509 | XtMemory = next; |
| 510 | if (next) |
| 511 | next->prev = mem->prev; |
| 512 | Xfree((char *)mem)free((char *)mem); |
| 513 | } |
| 514 | } |
| 515 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); |
| 516 | } |
| 517 | |
| 518 | #include <stdio.h> |
| 519 | |
| 520 | void _XtPrintMemory(char * filename) |
| 521 | { |
| 522 | register StatsPtr mem; |
| 523 | FILE *f; |
| 524 | |
| 525 | if (filename == NULL((void*)0)) |
| 526 | f = stderr__stderrp; |
| 527 | else |
| 528 | f = fopen(filename, "w"); |
| 529 | LOCK_PROCESSif(_XtProcessLock)(*_XtProcessLock)(); |
| 530 | fprintf(f, "total size: %d\n", ActiveXtMemory); |
| 531 | for (mem = XtMemory; mem; mem = mem->next) { |
| 532 | if (mem->file) |
| 533 | fprintf(f, "size: %6d seq: %5d %12s(%4d) %s\n", |
| 534 | mem->size, mem->seq, |
| 535 | mem->file, mem->line, mem->heap ? "heap" : ""); |
| 536 | } |
| 537 | UNLOCK_PROCESSif(_XtProcessUnlock)(*_XtProcessUnlock)(); |
| 538 | if (filename) fclose(f); |
| 539 | } |
| 540 | |
| 541 | #endif /* XTTRACEMEMORY */ |