| 1 | /* useful.c |
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| 2 | * Copyright (C) 1993-2001,2003,2010 Olly Betts |
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| 3 | * |
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| 4 | * This program is free software; you can redistribute it and/or modify |
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| 5 | * it under the terms of the GNU General Public License as published by |
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| 6 | * the Free Software Foundation; either version 2 of the License, or |
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| 7 | * (at your option) any later version. |
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| 8 | * |
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| 9 | * This program is distributed in the hope that it will be useful, |
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| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 12 | * GNU General Public License for more details. |
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| 13 | * |
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| 14 | * You should have received a copy of the GNU General Public License |
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| 15 | * along with this program; if not, write to the Free Software |
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| 16 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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| 17 | */ |
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| 18 | |
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| 19 | #ifdef HAVE_CONFIG_H |
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| 20 | # include <config.h> |
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| 21 | #endif |
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| 22 | |
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| 23 | #include "useful.h" |
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| 24 | #include "osdepend.h" |
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| 25 | |
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| 26 | #ifndef WORDS_BIGENDIAN |
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| 27 | |
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| 28 | /* used by macro versions of useful_get<nn> functions */ |
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| 29 | int16_t useful_w16; |
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| 30 | int32_t useful_w32; |
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| 31 | |
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| 32 | #else |
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| 33 | |
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| 34 | extern void Far |
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| 35 | useful_put16(int16_t w, FILE *fh) |
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| 36 | { |
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| 37 | putc((char)(w), fh); |
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| 38 | putc((char)(w >> 8l), fh); |
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| 39 | } |
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| 40 | |
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| 41 | extern void Far |
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| 42 | useful_put32(int32_t w, FILE *fh) |
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| 43 | { |
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| 44 | putc((char)(w), fh); |
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| 45 | putc((char)(w >> 8l), fh); |
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| 46 | putc((char)(w >> 16l), fh); |
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| 47 | putc((char)(w >> 24l), fh); |
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| 48 | } |
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| 49 | |
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| 50 | extern int16_t Far |
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| 51 | useful_get16(FILE *fh) |
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| 52 | { |
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| 53 | int16_t w; |
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| 54 | w = getc(fh); |
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| 55 | w |= (int16_t)(getc(fh) << 8l); |
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| 56 | return w; |
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| 57 | } |
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| 58 | |
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| 59 | extern int32_t Far |
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| 60 | useful_get32(FILE *fh) |
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| 61 | { |
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| 62 | int32_t w; |
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| 63 | w = getc(fh); |
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| 64 | w |= (int32_t)(getc(fh) << 8l); |
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| 65 | w |= (int32_t)(getc(fh) << 16l); |
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| 66 | w |= (int32_t)(getc(fh) << 24l); |
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| 67 | return w; |
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| 68 | } |
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| 69 | #endif |
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