/* Copyright (c) 1987, 1989, 2012 University of Maryland Department of Computer Science. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation, the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice, this permission notice and the disclaimer statement shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* * File I/O: numbers. * * We deal in fixed format numbers and (FILE *)s here. * For pointer I/O, see pio.h. * * N.B.: These do the `wrong thing' at EOF. It is imperative * that the caller add appropriate `if (feof(fp))' statements. */ /* * Get one unsigned byte. Note that this is a proper expression. * The reset have more limited contexts, and are therefore OddLy * CapItaliseD. */ #define fgetbyte(fp) getc(fp) /* * Get a two-byte unsigned integer, a three-byte unsigned integer, * or a four-byte signed integer. */ #define fGetWord(fp, r) ((r) = getc(fp) << 8, (r) |= getc(fp)) #define fGet3Byte(fp,r) ((r) = getc(fp) << 16, (r) |= getc(fp) << 8, \ (r) |= getc(fp)) #define fGetLong(fp, r) ((r) = getc(fp) << 24, (r) |= getc(fp) << 16, \ (r) |= getc(fp) << 8, (r) |= getc(fp)) /* * Fast I/O write (and regular write) macros. */ #define putbyte(fp, r) ((void) putc((r), fp)) #define PutWord(fp, r) ((void) putc((r) >> 8, fp), \ (void) putc((r), fp)) #define Put3Byte(fp, r) ((void) putc((r) >> 16, fp), \ (void) putc((r) >> 8, fp), \ (void) putc((r), fp)) #define PutLong(fp, r) ((void) putc((r) >> 24, fp), \ (void) putc((r) >> 16, fp), \ (void) putc((r) >> 8, fp), \ (void) putc((r), fp)) /* * Function types */ i32 GetByte(FILE *), GetWord(FILE *), Get3Byte(FILE *), GetLong(FILE *);