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