1 /******************************************************************* 2 ** s y s d e p . c 3 ** Forth Inspired Command Language 4 ** Author: John Sadler (john_sadler@alum.mit.edu) 5 ** Created: 16 Oct 1997 6 ** Implementations of FICL external interface functions... 7 ** 8 *******************************************************************/ 9 10 /* $FreeBSD$ */ 11 12 #ifdef TESTMAIN 13 #include <stdio.h> 14 #include <stdlib.h> 15 #else 16 #include <stand.h> 17 #endif 18 #include "ficl.h" 19 20 /* 21 ******************* FreeBSD P O R T B E G I N S H E R E ******************** Michael Smith 22 */ 23 24 #if PORTABLE_LONGMULDIV == 0 25 DPUNS ficlLongMul(FICL_UNS x, FICL_UNS y) 26 { 27 DPUNS q; 28 u_int64_t qx; 29 30 qx = (u_int64_t)x * (u_int64_t) y; 31 32 q.hi = (u_int32_t)( qx >> 32 ); 33 q.lo = (u_int32_t)( qx & 0xFFFFFFFFL); 34 35 return q; 36 } 37 38 UNSQR ficlLongDiv(DPUNS q, FICL_UNS y) 39 { 40 UNSQR result; 41 u_int64_t qx, qh; 42 43 qh = q.hi; 44 qx = (qh << 32) | q.lo; 45 46 result.quot = qx / y; 47 result.rem = qx % y; 48 49 return result; 50 } 51 #endif 52 53 void ficlTextOut(FICL_VM *pVM, char *msg, int fNewline) 54 { 55 IGNORE(pVM); 56 57 while(*msg != 0) 58 putchar(*(msg++)); 59 if (fNewline) 60 putchar('\n'); 61 62 return; 63 } 64 65 void *ficlMalloc (size_t size) 66 { 67 return malloc(size); 68 } 69 70 void *ficlRealloc (void *p, size_t size) 71 { 72 return realloc(p, size); 73 } 74 75 void ficlFree (void *p) 76 { 77 free(p); 78 } 79 80 81 /* 82 ** Stub function for dictionary access control - does nothing 83 ** by default, user can redefine to guarantee exclusive dict 84 ** access to a single thread for updates. All dict update code 85 ** is guaranteed to be bracketed as follows: 86 ** ficlLockDictionary(TRUE); 87 ** <code that updates dictionary> 88 ** ficlLockDictionary(FALSE); 89 ** 90 ** Returns zero if successful, nonzero if unable to acquire lock 91 ** befor timeout (optional - could also block forever) 92 */ 93 #if FICL_MULTITHREAD 94 int ficlLockDictionary(short fLock) 95 { 96 IGNORE(fLock); 97 return 0; 98 } 99 #endif /* FICL_MULTITHREAD */ 100