1 /* Project 16 Source Code~
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2 * Copyright (C) 2012-2017 sparky4 & pngwen & andrius4669 & joncampbell123 & yakui-lover
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4 * This file is part of Project 16.
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6 * Project 16 is free software; you can redistribute it and/or modify
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7 * it under the terms of the GNU General Public License as published by
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8 * the Free Software Foundation; either version 3 of the License, or
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9 * (at your option) any later version.
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11 * Project 16 is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 * GNU General Public License for more details.
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16 * You should have received a copy of the GNU General Public License
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17 * along with this program. If not, see <http://www.gnu.org/licenses/>, or
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18 * write to the Free Software Foundation, Inc., 51 Franklin Street,
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19 * Fifth Floor, Boston, MA 02110-1301 USA.
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26 #include "src/lib/16_hc.h"
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29 //from ftp://213.85.246.177/pub/FreeBSD/ports/archivers/arj/work/arj-3.10.22/environ.c
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30 //#ifdef __WATCOMC__
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31 #define FARCORELEFTPTR __huge
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32 long HC_farcoreleft()
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34 void FARCORELEFTPTR *hp;
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35 static long rc=736L;
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41 hp=halloc(rc-=2L, 1024);
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42 while(hp==NULL&&rc>0L);
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49 hp=halloc(rc+=16L, 1024);
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53 return((rc-16L)*1024L);
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64 HC_LargestFreeBlock(size_t* Size)
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74 s0 = ~(size_t)0 ^ (~(size_t)0 >> 1);
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76 while (s0 && (p = malloc(s0)) == NULL)
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79 while (s0 && (p = _nmalloc(s0)) == NULL)
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95 if ((p = malloc(s0 + s1)) != NULL)
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98 if ((p = _nmalloc(s0 + s1)) != NULL)
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102 #ifdef __BORLANDC__
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111 #ifdef __BORLANDC__
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112 while (s0 && (p = malloc(s0)) == NULL)
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115 while (s0 && (p = _nmalloc(s0)) == NULL)
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123 size_t HC_coreleft(void)
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126 void __near* pFirst = NULL;
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127 void __near* pLast = NULL;
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131 void __near* p = (void __near *)HC_LargestFreeBlock(&largest);
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132 if (largest < sizeof(void __near*))
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135 #ifdef __BORLANDC__
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143 *(void __near* __near*)p = NULL;
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145 if (pFirst == NULL)
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149 *(void __near* __near*)pLast = p;
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153 while (pFirst != NULL)
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155 void __near* p = *(void __near* __near*)pFirst;
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156 #ifdef __BORLANDC__
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167 void far* HC_LargestFarFreeBlock(size_t* Size)
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172 s0 = ~(size_t)0 ^ (~(size_t)0 >> 1);
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173 while (s0 && (p = _fmalloc(s0)) == NULL)
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182 if ((p = _fmalloc(s0 + s1)) != NULL)
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189 while (s0 && (p = _fmalloc(s0)) == NULL)
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196 size_t HC_farcoreleft_(void)
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199 void far* pFirst = NULL;
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200 void far* pLast = NULL;
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204 void far* p = HC_LargestFarFreeBlock(&largest);
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205 if (largest < sizeof(void far*))
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211 *(void far* far*)p = NULL;
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213 if (pFirst == NULL)
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217 *(void far* far*)pLast = p;
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221 while (pFirst != NULL)
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223 void far* p = *(void far* far*)pFirst;
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231 /*void huge* LargestHugeFreeBlock(size_t* Size)
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236 s0 = ~(size_t)0 ^ (~(size_t)0 >> 1);
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237 while (s0 && (p = halloc((dword)s0, 1)) == NULL)
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246 if ((p = halloc((dword)(s0 + s1), 1)) != NULL)
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253 while (s0 && (p = halloc((dword)s0, 1)) == NULL)
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260 size_t _hugecoreleft(void)
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263 void huge* pFirst = NULL;
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264 void huge* pLast = NULL;
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268 void huge* p = LargestHugeFreeBlock(&largest);
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269 if (largest < sizeof(void huge*))
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275 *(void huge* huge*)p = NULL;
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277 if (pFirst == NULL)
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281 *(void huge* huge*)pLast = p;
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285 while (pFirst != NULL)
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287 void huge* p = *(void huge* huge*)pFirst;
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294 void __based(__self)* LargestBasedFreeBlock(size_t* Size)
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298 void __based(__self)* p;
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300 s0 = ~(size_t)0 ^ (~(size_t)0 >> 1);
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301 while (s0 && (p = _bmalloc(segu, s0)) == NULL)
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310 if ((p = _bmalloc(segu, s0 + s1)) != NULL)
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317 while (s0 && (p = _bmalloc(segu, s0)) == NULL)
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324 size_t _basedcoreleft(void)
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328 void __based(segu)* pFirst = NULL;
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329 void __based(segu)* pLast = NULL;
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330 // allocate based heap
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331 segu = _bHC_heapseg( 1024 );
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332 if( segu == _NULLSEG ) {
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333 printf( "Unable to allocate based heap\n" );
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342 void __based(segu)* p = LargestBasedFreeBlock(&largest);
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343 if (largest < sizeof(void far*))
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349 *(void far* far*)p = NULL;
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351 if (pFirst == NULL)
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355 *(void far* far*)pLast = p;
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359 while (pFirst != NULL)
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361 void far* p = *(void far* far*)pFirst;
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368 size_t HC_GetFreeSize(void)
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370 struct _heapinfo h_info;
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372 size_t h_free=0, h_total=0, h_used=0;
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374 h_info._pentry = NULL;
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376 heap_status = _heapwalk( &h_info );
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377 if( heap_status != _HEAPOK ) break;
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378 if((h_info._useflag == _USEDENTRY ? "USED" : "FREE")=="FREE") h_free += h_info._size;
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379 if((h_info._useflag == _USEDENTRY ? "USED" : "FREE")=="USED") h_used += h_info._size;
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380 h_total += h_info._size;
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382 HC_heapstat0(heap_status);
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386 size_t HC_GetFarFreeSize(void)
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388 struct _heapinfo fh_info;
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390 size_t fh_free=0, fh_total=0, fh_used=0;
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392 fh_info._pentry = NULL;
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394 heap_status = _fheapwalk( &fh_info );
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395 if( heap_status != _HEAPOK ) break;
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396 if((fh_info._useflag == _USEDENTRY ? "USED" : "FREE")=="FREE") fh_free += fh_info._size;
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397 if((fh_info._useflag == _USEDENTRY ? "USED" : "FREE")=="USED") fh_used += fh_info._size;
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398 fh_total += fh_info._size;
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400 HC_heapstat0(heap_status);
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404 size_t HC_GetNearFreeSize(void)
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406 struct _heapinfo nh_info;
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408 size_t nh_free=0, nh_total=0, nh_used=0;
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410 nh_info._pentry = NULL;
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412 heap_status = _nheapwalk( &nh_info );
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413 if( heap_status != _HEAPOK ) break;
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414 if((nh_info._useflag == _USEDENTRY ? "USED" : "FREE")=="FREE") nh_free += nh_info._size;
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415 if((nh_info._useflag == _USEDENTRY ? "USED" : "FREE")=="USED") nh_used += nh_info._size;
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416 nh_total += nh_info._size;
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418 HC_heapstat0(heap_status);
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422 void HC_heapdump(global_game_variables_t *gvar)
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424 struct _heapinfo fh_info, nh_info, h_info;
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426 size_t h_free, nh_free, fh_free, h_total, nh_total, fh_total, h_used, nh_used, fh_used;
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427 byte scratch[1024],str[16];
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429 HC_OpenDebug(gvar);
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431 strcpy(scratch,"\n == default ==\n\n");
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432 write(gvar->handle.heaphandle,scratch,strlen(scratch));
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433 h_info._pentry = NULL;
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434 h_free=0; h_total=0; h_used=0;
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436 heap_status = _heapwalk( &h_info );
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437 if( heap_status != _HEAPOK ) break;
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438 strcpy(scratch," "); strcat(scratch,(h_info._useflag == _USEDENTRY ? "USED" : "FREE")); strcat(scratch," block at "); ultoa((dword)h_info._pentry,str,16); strcat(scratch,str); strcat(scratch," of size "); ultoa(h_info._size,str,10); strcat(scratch,str); strcat(scratch,"\n");
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439 if((h_info._useflag == _USEDENTRY ? "USED" : "FREE")=="FREE") h_free += h_info._size;
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440 if((h_info._useflag == _USEDENTRY ? "USED" : "FREE")=="USED") h_used += h_info._size;
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441 h_total += h_info._size;
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442 write(gvar->handle.heaphandle,scratch,strlen(scratch));
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444 HC_heapstat(gvar, heap_status, &scratch);
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447 strcpy(scratch,"\n == near ==\n\n");
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448 write(gvar->handle.heaphandle,scratch,strlen(scratch));
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449 nh_info._pentry = NULL;
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450 nh_free=0; nh_total=0; nh_used=0;
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452 heap_status = _nheapwalk( &nh_info );
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453 if( heap_status != _HEAPOK ) break;
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454 strcpy(scratch," "); strcat(scratch,(h_info._useflag == _USEDENTRY ? "USED" : "FREE")); strcat(scratch," block at "); ultoa((dword)nh_info._pentry,str,16); strcat(scratch,str); strcat(scratch," of size "); ultoa(nh_info._size,str,10); strcat(scratch,str); strcat(scratch,"\n");
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455 /* printf( " %s block at %Fp of size %4.4X\n",
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456 (nh_info._useflag == _USEDENTRY ? "USED" : "FREE"),
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457 nh_info._pentry, nh_info._size );*/
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458 if((nh_info._useflag == _USEDENTRY ? "USED" : "FREE")=="FREE") nh_free += nh_info._size;
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459 if((nh_info._useflag == _USEDENTRY ? "USED" : "FREE")=="USED") nh_used += nh_info._size;
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460 nh_total += nh_info._size;
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461 write(gvar->handle.heaphandle,scratch,strlen(scratch));
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463 HC_heapstat(gvar, heap_status, &scratch);
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466 strcpy(scratch,"\n == far ==\n\n");
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467 write(gvar->handle.heaphandle,scratch,strlen(scratch));
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468 fh_info._pentry = NULL;
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469 fh_free=0; fh_total=0; fh_used=0;
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471 heap_status = _fheapwalk( &fh_info );
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472 if( heap_status != _HEAPOK ) break;
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473 strcpy(scratch," "); strcat(scratch,(h_info._useflag == _USEDENTRY ? "USED" : "FREE")); strcat(scratch," block at "); ultoa((dword)fh_info._pentry,str,16); strcat(scratch,str); strcat(scratch," of size "); ultoa(fh_info._size,str,10); strcat(scratch,str); strcat(scratch,"\n");
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474 /*printf( " %s block at %Fp of size %4.4X\n",
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475 (fh_info._useflag == _USEDENTRY ? "USED" : "FREE"),
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476 fh_info._pentry, fh_info._size );*/
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477 if((fh_info._useflag == _USEDENTRY ? "USED" : "FREE")=="FREE") fh_free += fh_info._size;
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478 if((fh_info._useflag == _USEDENTRY ? "USED" : "FREE")=="USED") fh_used += fh_info._size;
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479 fh_total += fh_info._size;
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480 write(gvar->handle.heaphandle,scratch,strlen(scratch));
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482 HC_heapstat(gvar, heap_status, &scratch);
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484 strcpy(scratch,"\n");
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485 strcat(scratch,kittengets(2,0,"Memory Type Total Used Free\n"));
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486 strcat(scratch,"---------------- -------- -------- --------\n");
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487 printmeminfoline(&scratch, "Default", h_total, h_used, h_free);
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488 printmeminfoline(&scratch, "Near", nh_total, nh_used, nh_free);
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489 printmeminfoline(&scratch, "Far", fh_total, fh_used, fh_free);
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490 strcat(scratch,"---------------- -------- -------- --------\n");
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491 strcat(scratch,"HC_coreleft = "); ultoa((dword)HC_coreleft(),str,10); strcat(scratch,str); strcat(scratch,"\n");
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492 strcat(scratch,"HC_farcoreleft = "); ultoa((dword)HC_farcoreleft(),str,10); strcat(scratch,str); strcat(scratch,"\n");
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493 strcat(scratch,"HC_GetFreeSize = "); ultoa((dword)HC_GetFreeSize(),str,10); strcat(scratch,str); strcat(scratch,"\n");
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494 strcat(scratch,"HC_GetNearFreeSize = "); ultoa((dword)HC_GetNearFreeSize(),str,10); strcat(scratch,str); strcat(scratch,"\n");
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495 strcat(scratch,"HC_GetFarFreeSize = "); ultoa((dword)HC_GetFarFreeSize(),str,10); strcat(scratch,str); strcat(scratch,"\n");
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496 strcat(scratch,"memavl = "); ultoa((dword)_memavl(),str,10); strcat(scratch,str); strcat(scratch,"\n");
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497 strcat(scratch,"stackavail = "); ultoa((dword)stackavail(),str,10); strcat(scratch,str); strcat(scratch,"\n");
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498 write(gvar->handle.heaphandle,scratch,strlen(scratch));
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499 HC_CloseDebug(gvar);
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502 void HC_heapstat(global_game_variables_t *gvar, int heap_status, byte *str)
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504 switch( heap_status ) {
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506 strcpy((str),"OK - end of heap\n");
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509 strcpy((str),"OK - heap is empty\n");
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512 case _HEAPBADBEGIN:
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513 strcpy((str),"ERROR - heap is damaged\n");
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516 strcpy((str),"ERROR - bad pointer to heap\n");
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519 strcpy((str),"ERROR - bad node in heap\n");
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521 write(gvar->handle.heaphandle,(str),strlen((str)));
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524 void HC_heapstat0(int heap_status)
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526 switch( heap_status ) {
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528 //printf("OK - end of heap\n");
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531 //printf("OK - heap is empty\n");
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533 case _HEAPBADBEGIN:
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534 printf("ERROR - heap is damaged\n");
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537 printf("ERROR - bad pointer to heap\n");
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540 printf("ERROR - bad node in heap\n");
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545 ============================
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547 = HC_OpenDebug / HC_CloseDebug
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549 = Opens a binary file with the handle "heaphandle"
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551 ============================
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553 void HC_OpenDebug(global_game_variables_t *gvar)
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555 #ifdef __BORLANDC__
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556 unlink("heap.16b");
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557 gvar->handle.heaphandle = open("heap.16b", O_CREAT | O_WRONLY | O_TEXT);
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560 unlink("heap.16w");
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561 gvar->handle.heaphandle = open("heap.16w", O_CREAT | O_WRONLY | O_TEXT);
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565 void HC_CloseDebug(global_game_variables_t *gvar)
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567 close(gvar->handle.heaphandle);
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