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Diffstat (limited to 'libtoolame-dab/portableio.h')
-rw-r--r-- | libtoolame-dab/portableio.h | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/libtoolame-dab/portableio.h b/libtoolame-dab/portableio.h new file mode 100644 index 0000000..70b7d23 --- /dev/null +++ b/libtoolame-dab/portableio.h @@ -0,0 +1,89 @@ +#ifndef PORTABLEIO_H__ +#define PORTABLEIO_H__ +/* Copyright (C) 1988-1991 Apple Computer, Inc. + * All Rights Reserved. + * + * Warranty Information + * Even though Apple has reviewed this software, Apple makes no warranty + * or representation, either express or implied, with respect to this + * software, its quality, accuracy, merchantability, or fitness for a + * particular purpose. As a result, this software is provided "as is," + * and you, its user, are assuming the entire risk as to its quality + * and accuracy. + * + * This code may be used and freely distributed as long as it includes + * this copyright notice and the warranty information. + * + * Machine-independent I/O routines for 8-, 16-, 24-, and 32-bit integers. + * + * Motorola processors (Macintosh, Sun, Sparc, MIPS, etc) + * pack bytes from high to low (they are big-endian). + * Use the HighLow routines to match the native format + * of these machines. + * + * Intel-like machines (PCs, Sequent) + * pack bytes from low to high (the are little-endian). + * Use the LowHigh routines to match the native format + * of these machines. + * + * These routines have been tested on the following machines: + * Apple Macintosh, MPW 3.1 C compiler + * Apple Macintosh, THINK C compiler + * Silicon Graphics IRIS, MIPS compiler + * Cray X/MP and Y/MP + * Digital Equipment VAX + * + * + * Implemented by Malcolm Slaney and Ken Turkowski. + * + * Malcolm Slaney contributions during 1988-1990 include big- and little- + * endian file I/O, conversion to and from Motorola's extended 80-bit + * FLOATing-point format, and conversions to and from IEEE single- + * precision FLOATing-point format. + * + * In 1991, Ken Turkowski implemented the conversions to and from + * IEEE double-precision format, added more precision to the extended + * conversions, and accommodated conversions involving +/- infinity, + * NaN's, and denormalized numbers. + * + * $Id: portableio.h,v 2.6 1991/04/30 17:06:02 malcolm Exp $ + * + * $Log: portableio.h,v $ + * Revision 2.6 91/04/30 17:06:02 malcolm + */ + +#include <stdio.h> +#include "ieeefloat.h" + +int ReadByte (FILE * fp); +int Read16BitsLowHigh (FILE * fp); +int Read16BitsHighLow (FILE * fp); +void Write8Bits (FILE * fp, int i); +void Write16BitsLowHigh (FILE * fp, int i); +void Write16BitsHighLow (FILE * fp, int i); +int Read24BitsHighLow (FILE * fp); +int Read32Bits (FILE * fp); +int Read32BitsHighLow (FILE * fp); +void Write32Bits (FILE * fp, int i); +void Write32BitsLowHigh (FILE * fp, int i); +void Write32BitsHighLow (FILE * fp, int i); +void ReadBytes (FILE * fp, char *p, int n); +void ReadBytesSwapped (FILE * fp, char *p, int n); +void WriteBytes (FILE * fp, char *p, int n); +void WriteBytesSwapped (FILE * fp, char *p, int n); +double ReadIeeeFloatHighLow (FILE * fp); +double ReadIeeeFloatLowHigh (FILE * fp); +double ReadIeeeDoubleHighLow (FILE * fp); +double ReadIeeeDoubleLowHigh (FILE * fp); +double ReadIeeeExtendedHighLow (FILE * fp); +double ReadIeeeExtendedLowHigh (FILE * fp); +void WriteIeeeFloatLowHigh (FILE * fp, double num); +void WriteIeeeFloatHighLow (FILE * fp, double num); +void WriteIeeeDoubleLowHigh (FILE * fp, double num); +void WriteIeeeDoubleHighLow (FILE * fp, double num); +void WriteIeeeExtendedLowHigh (FILE * fp, double num); +void WriteIeeeExtendedHighLow (FILE * fp, double num); + +#define Read32BitsLowHigh(f) Read32Bits(f) +#define WriteString(f,s) fwrite(s,strlen(s),sizeof(char),f) +#endif |