1 /* Copyright (C)2004 Landmark Graphics Corporation 2 * Copyright (C)2005 Sun Microsystems, Inc. 3 * Copyright (C)2010 D. R. Commander 4 * 5 * This library is free software and may be redistributed and/or modified under 6 * the terms of the wxWindows Library License, Version 3.1 or (at your option) 7 * any later version. The full license is in the LICENSE.txt file included 8 * with this distribution. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * wxWindows Library License for more details. 14 */ 15 16 #ifndef __RRUTIL_H__ 17 #define __RRUTIL_H__ 18 19 #ifdef _WIN32 20 #include <windows.h> 21 #define sleep(t) Sleep((t)*1000) 22 #define usleep(t) Sleep((t)/1000) 23 #else 24 #include <unistd.h> 25 #define stricmp strcasecmp 26 #define strnicmp strncasecmp 27 #endif 28 29 #ifndef min 30 #define min(a,b) ((a)<(b)?(a):(b)) 31 #endif 32 33 #ifndef max 34 #define max(a,b) ((a)>(b)?(a):(b)) 35 #endif 36 37 #define pow2(i) (1<<(i)) 38 #define isPow2(x) (((x)&(x-1))==0) 39 40 #ifdef sgi 41 #define _SC_NPROCESSORS_CONF _SC_NPROC_CONF 42 #endif 43 44 #ifdef sun 45 #define __inline inline 46 #endif 47 numprocs(void)48static __inline int numprocs(void) 49 { 50 #ifdef _WIN32 51 DWORD_PTR ProcAff, SysAff, i; int count=0; 52 if(!GetProcessAffinityMask(GetCurrentProcess(), &ProcAff, &SysAff)) return(1); 53 for(i=0; i<sizeof(long*)*8; i++) if(ProcAff&(1LL<<i)) count++; 54 return(count); 55 #elif defined (__APPLE__) 56 return(1); 57 #else 58 long count=1; 59 if((count=sysconf(_SC_NPROCESSORS_CONF))!=-1) return((int)count); 60 else return(1); 61 #endif 62 } 63 64 #define byteswap(i) ( \ 65 (((i) & 0xff000000) >> 24) | \ 66 (((i) & 0x00ff0000) >> 8) | \ 67 (((i) & 0x0000ff00) << 8) | \ 68 (((i) & 0x000000ff) << 24) ) 69 70 #define byteswap16(i) ( \ 71 (((i) & 0xff00) >> 8) | \ 72 (((i) & 0x00ff) << 8) ) 73 littleendian(void)74static __inline int littleendian(void) 75 { 76 unsigned int value=1; 77 unsigned char *ptr=(unsigned char *)(&value); 78 if(ptr[0]==1 && ptr[3]==0) return 1; 79 else return 0; 80 } 81 82 #endif 83