/* $IdPath$ * Little-endian file functions header file. * * Copyright (C) 2001 Peter Johnson * * This file is part of YASM. * * YASM is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * YASM is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef YASM_FILE_H #define YASM_FILE_H /* These functions only work properly if p is an (unsigned char *) */ #define WRITE_BYTE(ptr, val) \ *((ptr)++) = (val) & 0xFF #define WRITE_SHORT(ptr, val) \ do { \ *((ptr)++) = (val) & 0xFF; \ *((ptr)++) = ((val) >> 8) & 0xFF; \ } while (0) #define WRITE_LONG(ptr, val) \ do { \ *((ptr)++) = (val) & 0xFF; \ *((ptr)++) = ((val) >> 8) & 0xFF; \ *((ptr)++) = ((val) >> 16) & 0xFF; \ *((ptr)++) = ((val) >> 24) & 0xFF; \ } while (0) /* Direct-to-file versions of the above. Using the above macros and a single * fwrite() will probably be faster than calling these functions many times. * These functions return 1 if the write was successful, 0 if not (so their * return values can be used like the return value from fwrite()). */ size_t fwrite_short(unsigned short val, FILE *f); size_t fwrite_long(unsigned long val, FILE *f); #endif