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85 lines
1.7 KiB
85 lines
1.7 KiB
/*
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* tplay - buffered audio player
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*
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* (c) 1997 ilkka karvinen <ik@iki.fi>
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*
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* Copyright under the GNU GENERAL PUBLIC LICENSE
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* (see the file COPYING in this directory)
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*
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*
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* common functions
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include "tplayfunctions.h"
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DWORD read_big_endian_long(char * buf)
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{
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DWORD byte0, byte1, byte2, byte3;
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unsigned char* buffer=(unsigned char*) buf;
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byte0 = (DWORD) buffer[0];
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byte1 = (DWORD) buffer[1];
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byte2 = (DWORD) buffer[2];
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byte3 = (DWORD) buffer[3];
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return (byte0 << 24 | byte1 << 16 | byte2 << 8 | byte3);
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}
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void write_big_endian_long(char * buf, DWORD value)
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{
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unsigned char* buffer=(unsigned char*) buf;
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buffer[0] = (unsigned char) (value >> 24 & 0xFF);
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buffer[1] = (unsigned char) (value >> 16 & 0xFF);
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buffer[2] = (unsigned char) (value >> 8 & 0xFF);
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buffer[3] = (unsigned char) (value & 0xFF);
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}
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DWORD read_little_endian_long(char* buf) {
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DWORD byte0, byte1, byte2, byte3;
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unsigned char* buffer=(unsigned char*) buf;
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byte0 = (DWORD) buffer[0];
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byte1 = (DWORD) buffer[1];
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byte2 = (DWORD) buffer[2];
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byte3 = (DWORD) buffer[3];
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return (byte3 << 24 | byte2 << 16 | byte1 << 8 | byte0);
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}
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WORD read_little_endian_word(char * buf)
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{
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WORD byte0, byte1;
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unsigned char* buffer=(unsigned char*) buf;
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byte0 = (WORD) buffer[0];
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byte1 = (WORD) buffer[1];
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return (byte1 << 8 | byte0);
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}
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void errprintf(char *fmt,...)
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{
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va_list ap;
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va_start(ap, fmt);
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vfprintf(stderr, fmt, ap);
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}
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void die(const char *str)
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{
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fprintf(stderr, "%s: \n", str);
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exit(-1);
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}
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void errdie(const char *str)
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{
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fprintf(stderr, "Error: %s\n", str);
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exit(-1);
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}
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