/* $Header: /cvsup/minix/src/commands/aal/object.h,v 1.1.1.1 2005/04/21 14:53:57 beng Exp $ */ /* * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands. * See the copyright notice in the ACK home directory, in the file "Copyright". */ #include "byte_order.h" #include #include #if CHAR_UNSIGNED #define Xchar(ch) (ch) #else #define Xchar(ch) ((ch) & 0377) #endif #if ! defined(BYTES_REVERSED) #define BYTES_REVERSED 1 #endif #if ! defined(WORDS_REVERSED) #define WORDS_REVERSED 1 #endif #if BYTES_REVERSED #define uget2(c) (Xchar((c)[0]) | ((unsigned) Xchar((c)[1]) << 8)) #define Xput2(i, c) (((c)[0] = (i)), ((c)[1] = (i) >> 8)) #define put2(i, c) { register int j = (i); Xput2(j, c); } #else #define uget2(c) (* ((unsigned short *) (c))) #define Xput2(i, c) (* ((short *) (c)) = (i)) #define put2(i, c) Xput2(i, c) #endif #define get2(c) ((short) uget2(c)) #if WORDS_REVERSED || BYTES_REVERSED #define get4(c) (uget2(c) | ((long) uget2((c)+2) << 16)) #define put4(l, c) { register long x=(l); \ Xput2((int)x,c); \ Xput2((int)(x>>16),(c)+2); \ } #else #define get4(c) (* ((long *) (c))) #define put4(l, c) (* ((long *) (c)) = (l)) #endif #define SECTCNT 3 /* number of sections with own output buffer */ #if BIGMACHINE #define WBUFSIZ (8*BUFSIZ) #else #define WBUFSIZ BUFSIZ #endif struct fil { int cnt; char *pnow; char *pbegin; long currpos; int fd; char pbuf[WBUFSIZ]; }; extern struct fil __parts[]; #define PARTEMIT 0 #define PARTRELO (PARTEMIT+SECTCNT) #define PARTNAME (PARTRELO+1) #define PARTCHAR (PARTNAME+1) #ifdef SYMDBUG #define PARTDBUG (PARTCHAR+1) #else #define PARTDBUG (PARTCHAR+0) #endif #define NPARTS (PARTDBUG + 1) #define getsect(s) (PARTEMIT+((s)>=(SECTCNT-1)?(SECTCNT-1):(s)))