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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31 //#ifdef __WATCOMC__
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32 long HC_Newfarcoreleft()
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34 void __huge *hp; static long rc=736L; long s_rc;
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38 hp=halloc(rc-=2L, 1024);
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39 while(hp==NULL&&rc>0L);
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46 hp=halloc(rc+=16L, 1024);
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50 return((rc-16L)*1024L);
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54 //from: https://stackoverflow.com/questions/14386856/c-check-available-ram
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62 HC_LargestFreeBlock(size_t* Size)
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72 s0 = ~(size_t)0 ^ (~(size_t)0 >> 1);
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73 while (s0 && (p = _nmalloc(s0)) == NULL)
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82 if ((p = _nmalloc(s0 + s1)) != NULL)
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89 while (s0 && (p = _nmalloc(s0)) == NULL)
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96 //from: https://stackoverflow.com/questions/14386856/c-check-available-ram
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97 size_t HC_coreleft(void)
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100 void __near* pFirst = NULL;
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101 void __near* pLast = NULL;
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105 void __near* p = (void __near *)HC_LargestFreeBlock(&largest);
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106 if (largest < sizeof(void __near*))
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112 *(void __near* __near*)p = NULL;
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114 if (pFirst == NULL)
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118 *(void __near* __near*)pLast = p;
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122 while (pFirst != NULL)
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124 void __near* p = *(void __near* __near*)pFirst;
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131 //far version of above
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132 void far* HC_LargestFarFreeBlock(unsigned long* Size)
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134 unsigned long s0, s1;
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137 s0 = ~(unsigned long)0 ^ (~(unsigned long)0 >> 1);
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138 while (s0 && (p = _fmalloc(s0)) == NULL)
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147 if ((p = _fmalloc(s0 + s1)) != NULL)
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154 while (s0 && (p = _fmalloc(s0)) == NULL)
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161 //far version of above
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162 unsigned long HC_farcoreleft(void)
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164 unsigned long total = 0UL;
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165 void far* pFirst = NULL;
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166 void far* pLast = NULL;
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169 unsigned long largest;
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170 void far* p = HC_LargestFarFreeBlock(&largest);
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171 if (largest < sizeof(void far*))
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177 *(void far* far*)p = NULL;
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179 if (pFirst == NULL)
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183 *(void far* far*)pLast = p;
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187 while (pFirst != NULL)
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189 void far* p = *(void far* far*)pFirst;
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196 //==#ifdef __WATCOMC__
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197 /*void huge* LargestHugeFreeBlock(size_t* Size)
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202 s0 = ~(size_t)0 ^ (~(size_t)0 >> 1);
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203 while (s0 && (p = halloc((dword)s0, 1)) == NULL)
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212 if ((p = halloc((dword)(s0 + s1), 1)) != NULL)
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219 while (s0 && (p = halloc((dword)s0, 1)) == NULL)
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226 size_t _hugecoreleft(void)
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229 void huge* pFirst = NULL;
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230 void huge* pLast = NULL;
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234 void huge* p = LargestHugeFreeBlock(&largest);
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235 if (largest < sizeof(void huge*))
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241 *(void huge* huge*)p = NULL;
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243 if (pFirst == NULL)
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247 *(void huge* huge*)pLast = p;
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251 while (pFirst != NULL)
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253 void huge* p = *(void huge* huge*)pFirst;
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260 void __based(__self)* LargestBasedFreeBlock(size_t* Size)
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264 void __based(__self)* p;
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266 s0 = ~(size_t)0 ^ (~(size_t)0 >> 1);
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267 while (s0 && (p = _bmalloc(segu, s0)) == NULL)
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276 if ((p = _bmalloc(segu, s0 + s1)) != NULL)
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283 while (s0 && (p = _bmalloc(segu, s0)) == NULL)
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290 size_t _basedcoreleft(void)
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294 void __based(segu)* pFirst = NULL;
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295 void __based(segu)* pLast = NULL;
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296 // allocate based heap
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297 segu = _bHC_heapseg( 1024 );
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298 if( segu == _NULLSEG ) {
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299 printf( "Unable to allocate based heap\n" );
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308 void __based(segu)* p = LargestBasedFreeBlock(&largest);
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309 if (largest < sizeof(void far*))
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315 *(void far* far*)p = NULL;
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317 if (pFirst == NULL)
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321 *(void far* far*)pLast = p;
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325 while (pFirst != NULL)
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327 void far* p = *(void far* far*)pFirst;
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334 size_t HC_GetFreeSize(void)
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336 struct _heapinfo h_info;
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338 size_t h_free=0, h_total=0, h_used=0;
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340 h_info._pentry = NULL;
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342 heap_status = _heapwalk( &h_info );
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343 if( heap_status != _HEAPOK ) break;
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344 if((h_info._useflag == _USEDENTRY ? "USED" : "FREE")=="FREE") h_free += h_info._size;
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345 if((h_info._useflag == _USEDENTRY ? "USED" : "FREE")=="USED") h_used += h_info._size;
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346 h_total += h_info._size;
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348 HCL_heapstat(heap_status);
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353 void HCL_HeapWalking (struct _heapinfo *h_info, hc_use_t *hu, unsigned nearfarswitch)
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355 hu->h_free=0; hu->h_total=0; hu->h_used=0;
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357 h_info->_pentry = NULL;
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359 if(nearfarswitch==0) hu->heap_status = _nheapwalk( h_info );
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360 else if(nearfarswitch==1) hu->heap_status = _fheapwalk( h_info );
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361 if( hu->heap_status != _HEAPOK ) break;
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362 if((h_info->_useflag == _USEDENTRY ? "USED" : "FREE")=="FREE") hu->h_free += h_info->_size;
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363 if((h_info->_useflag == _USEDENTRY ? "USED" : "FREE")=="USED") hu->h_used += h_info->_size;
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364 hu->h_total += h_info->_size;
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366 HCL_heapstat(hu->heap_status);
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369 unsigned long HC_GetFarFreeSize(void)
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371 struct _heapinfo h_info;
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373 HCL_HeapWalking (&h_info, &hu, 1);
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376 struct _heapinfo fh_info;
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378 unsigned long fh_free=0, fh_total=0, fh_used=0;
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380 fh_info._pentry = NULL;
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382 heap_status = _fheapwalk( &fh_info );
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383 if( heap_status != _HEAPOK ) break;
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384 if((fh_info._useflag == _USEDENTRY ? "USED" : "FREE")=="FREE") fh_free += fh_info._size;
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385 if((fh_info._useflag == _USEDENTRY ? "USED" : "FREE")=="USED") fh_used += fh_info._size;
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386 fh_total += fh_info._size;
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388 HCL_heapstat(heap_status);
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393 size_t HC_GetNearFreeSize(void)
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395 struct _heapinfo h_info;
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397 HCL_HeapWalking (&h_info, &hu, 0);
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400 struct _heapinfo nh_info;
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402 size_t nh_free=0, nh_total=0, nh_used=0;
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404 nh_info._pentry = NULL;
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406 heap_status = _nheapwalk( &nh_info );
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407 if( heap_status != _HEAPOK ) break;
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408 if((nh_info._useflag == _USEDENTRY ? "USED" : "FREE")=="FREE") nh_free += nh_info._size;
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409 if((nh_info._useflag == _USEDENTRY ? "USED" : "FREE")=="USED") nh_used += nh_info._size;
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410 nh_total += nh_info._size;
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412 HCL_heapstat(heap_status);
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417 void HC_heapdump(global_game_variables_t *gvar)
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419 struct _heapinfo fh_info, nh_info;//, h_info;
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421 size_t nh_free, fh_free, nh_total, fh_total, nh_used, fh_used;//, h_free, h_total, h_used;
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422 byte scratch[1024],str[16];
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424 HC_OpenDebug(gvar);
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427 strcpy(scratch,"\n == default ==\n\n");
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428 write(gvar->handle.heaphandle,scratch,strlen(scratch));
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429 h_info._pentry = NULL;
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430 h_free=0; h_total=0; h_used=0;
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432 heap_status = _heapwalk( &h_info );
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433 if( heap_status != _HEAPOK ) break;
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434 strcpy(scratch," "); strcat(scratch,(h_info._useflag == _USEDENTRY ? "USED" : "FREE")); strcat(scratch," block at ");
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435 sprintf(str, "%Fp", h_info._pentry); //ultoa((dword)h_info._pentry,str,16);
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436 strcat(scratch,str); strcat(scratch," of size "); ultoa(h_info._size,str,10); strcat(scratch,str); strcat(scratch,"\n");
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437 if((h_info._useflag == _USEDENTRY ? "USED" : "FREE")=="FREE") h_free += h_info._size;
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438 if((h_info._useflag == _USEDENTRY ? "USED" : "FREE")=="USED") h_used += h_info._size;
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439 h_total += h_info._size;
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440 write(gvar->handle.heaphandle,scratch,strlen(scratch));
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442 HCL_heapstatLogWrite(gvar, heap_status, scratch);
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446 strcpy(scratch,"\n == near ==\n\n");
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447 write(gvar->handle.heaphandle,scratch,strlen(scratch));
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448 nh_info._pentry = NULL;
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449 nh_free=0; nh_total=0; nh_used=0;
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451 heap_status = _nheapwalk( &nh_info );
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452 if( heap_status != _HEAPOK ) break;
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453 strcpy(scratch," "); strcat(scratch,(nh_info._useflag == _USEDENTRY ? "USED" : "FREE")); strcat(scratch," block at ");
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454 sprintf(str, "%Fp", nh_info._pentry); //ultoa((dword)nh_info._pentry,str,16);
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455 strcat(scratch,str); strcat(scratch," of size "); ultoa(nh_info._size,str,10); strcat(scratch,str); strcat(scratch,"\n");
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456 /* printf( " %s block at %Fp of size %4.4X\n",
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457 (nh_info._useflag == _USEDENTRY ? "USED" : "FREE"),
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458 nh_info._pentry, nh_info._size );*/
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459 if((nh_info._useflag == _USEDENTRY ? "USED" : "FREE")=="FREE") nh_free += nh_info._size;
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460 if((nh_info._useflag == _USEDENTRY ? "USED" : "FREE")=="USED") nh_used += nh_info._size;
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461 nh_total += nh_info._size;
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462 write(gvar->handle.heaphandle,scratch,strlen(scratch));
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464 HCL_heapstatLogWrite(gvar, heap_status, scratch);
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467 strcpy(scratch,"\n == far ==\n\n");
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468 write(gvar->handle.heaphandle,scratch,strlen(scratch));
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469 fh_info._pentry = NULL;
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470 fh_free=0; fh_total=0; fh_used=0;
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472 heap_status = _fheapwalk( &fh_info );
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473 if( heap_status != _HEAPOK ) break;
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474 strcpy(scratch," "); strcat(scratch,(fh_info._useflag == _USEDENTRY ? "USED" : "FREE")); strcat(scratch," block at ");
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475 sprintf(str, "%Fp", fh_info._pentry); //ultoa((dword)fh_info._pentry,str,16);
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476 strcat(scratch,str); strcat(scratch," of size "); ultoa(fh_info._size,str,10); strcat(scratch,str); strcat(scratch,"\n");
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477 /*printf( " %s block at %Fp of size %4.4X\n",
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478 (fh_info._useflag == _USEDENTRY ? "USED" : "FREE"),
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479 fh_info._pentry, fh_info._size );*/
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480 if((fh_info._useflag == _USEDENTRY ? "USED" : "FREE")=="FREE") fh_free += fh_info._size;
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481 if((fh_info._useflag == _USEDENTRY ? "USED" : "FREE")=="USED") fh_used += fh_info._size;
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482 fh_total += fh_info._size;
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483 write(gvar->handle.heaphandle,scratch,strlen(scratch));
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485 HCL_heapstatLogWrite(gvar, heap_status, scratch);
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487 strcpy(scratch,"\n");
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488 strcat(scratch,kittengets(2,0,"Memory Type Total Used Free\n"));
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489 strcat(scratch,"---------------- -------- -------- --------\n");
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490 // printmeminfoline(&scratch, "Default", h_total, h_used, h_free);
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491 printmeminfoline(scratch, "Near", nh_total, nh_used, nh_free);
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492 printmeminfoline(scratch, "Far", fh_total, fh_used, fh_free);
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493 strcat(scratch,"---------------- -------- -------- --------\n");
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494 strcat(scratch,"HC_coreleft = "); ultoa((dword)HC_coreleft(),str,10); strcat(scratch,str); strcat(scratch,"\n");
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495 strcat(scratch,"HC_farcoreleft = "); ultoa((dword)HC_farcoreleft(),str,10); strcat(scratch,str); strcat(scratch,"\n");
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496 // strcat(scratch,"HC_Newfarcoreleft = "); ultoa((dword)HC_Newfarcoreleft(),str,10); strcat(scratch,str); strcat(scratch,"\n");
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497 // strcat(scratch,"HC_GetFreeSize = "); ultoa((dword)HC_GetFreeSize(),str,10); strcat(scratch,str); strcat(scratch,"\n");
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498 strcat(scratch,"HC_GetNearFreeSize = "); ultoa((dword)HC_GetNearFreeSize(),str,10); strcat(scratch,str); strcat(scratch,"\n");
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499 strcat(scratch,"HC_GetFarFreeSize = "); ultoa((dword)HC_GetFarFreeSize(),str,10); strcat(scratch,str); strcat(scratch,"\n");
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500 strcat(scratch,"coreleft = "); ultoa((dword)coreleft(),str,10); strcat(scratch,str); strcat(scratch,"\n");
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501 strcat(scratch,"farcoreleft = "); ultoa((dword)farcoreleft(),str,10); strcat(scratch,str); strcat(scratch,"\n");
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502 strcat(scratch,"stackavail = "); ultoa((dword)stackavail(),str,10); strcat(scratch,str); strcat(scratch,"\n");
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503 write(gvar->handle.heaphandle,scratch,strlen(scratch));
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504 HC_CloseDebug(gvar);
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507 void HCL_heapstatLogWrite(global_game_variables_t *gvar, int heap_status, byte *str)
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509 switch( heap_status ) {
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511 strcpy((str),"OK - end of heap\n");
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514 strcpy((str),"OK - heap is empty\n");
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517 case _HEAPBADBEGIN:
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518 strcpy((str),"ERROR - heap is damaged\n");
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522 strcpy((str),"ERROR - bad pointer to heap\n");
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526 strcpy((str),"ERROR - bad node in heap\n");
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528 write(gvar->handle.heaphandle,(str),strlen((str)));
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531 void HCL_heapstat(int heap_status)
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533 switch( heap_status ) {
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535 //printf("OK - end of heap\n");
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538 //printf("OK - heap is empty\n");
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540 case _HEAPBADBEGIN:
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541 printf("ERROR - heap is damaged\n");
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545 printf("ERROR - bad pointer to heap\n");
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549 printf("ERROR - bad node in heap\n");
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555 unsigned long farcoreleft()
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557 //---- _fheapgrow();
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558 return HC_farcoreleft();
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559 //stack overflows return HC_GetFarFreeSize();
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562 unsigned long coreleft()
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566 // return HC_GetNearFreeSize();
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571 ============================
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573 = HC_OpenDebug / HC_CloseDebug
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575 = Opens a binary file with the handle "heaphandle"
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577 ============================
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579 void HC_OpenDebug(global_game_variables_t *gvar)
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581 #ifdef __BORLANDC__
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582 unlink("heap.16b");
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583 gvar->handle.heaphandle = open(gvar->handle.heapdumpfilename, O_CREAT | O_WRONLY | O_TEXT);
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586 unlink("heap.16w");
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587 gvar->handle.heaphandle = open(gvar->handle.heapdumpfilename, O_CREAT | O_WRONLY | O_TEXT);
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591 void HC_CloseDebug(global_game_variables_t *gvar)
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593 close(gvar->handle.heaphandle);
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595 #ifdef __BORLANDC__
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596 strcpy(gvar->handle.heapdumpfilename, "heap.16b");
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599 strcpy(gvar->handle.heapdumpfilename, "heap.16w");
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