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git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@14789 87f5fb63-7c3d-0410-a384-fd976d0f7a62
346 lines
12 KiB
C
346 lines
12 KiB
C
/*
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* $Id: stdio.h,v 1.5 2005-01-02 09:07:21 obarthel Exp $
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*
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* :ts=4
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*
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* Portable ISO 'C' (1994) runtime library for the Amiga computer
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* Copyright (c) 2002-2005 by Olaf Barthel <olsen@sourcery.han.de>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* - Neither the name of Olaf Barthel nor the names of contributors
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* may be used to endorse or promote products derived from this
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* software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _STDIO_H
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#define _STDIO_H
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/****************************************************************************/
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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/****************************************************************************/
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#ifndef _STDDEF_H
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#include <stddef.h>
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#endif /* _STDDEF_H */
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#ifndef _STDARG_H
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#include <stdarg.h>
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#endif /* _STDARG_H */
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/****************************************************************************/
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/* 'End of file' indicator returned by, for example, fgetc() */
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#define EOF (-1)
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/****************************************************************************/
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/*
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* Maximum number of files that can be open at a time. This number does not
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* correspond to a real limitation for this 'C' runtime library and is
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* included solely for ISO 'C' (1994) compliance.
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*/
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#define FOPEN_MAX 64
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/****************************************************************************/
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/* Maximum size of a file/path name. */
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#define FILENAME_MAX 256
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/****************************************************************************/
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/* Default size for all standard I/O file buffers. */
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#define BUFSIZ 8192
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/****************************************************************************/
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/* File buffering modes for use with setvbuf() */
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#define _IOFBF 0 /* Full buffering (flush when buffer is full) */
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#define _IOLBF 1 /* Line buffering (flush when buffer is full or when
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a line feed character is written) */
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#define _IONBF 2 /* Perform no buffering at all */
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/****************************************************************************/
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/* Positioning modes for use with fseek() */
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#define SEEK_SET 0 /* New position is absolute */
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#define SEEK_CUR 1 /* New position is relative to current file position */
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#define SEEK_END 2 /* New position is relative to end of file */
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/****************************************************************************/
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/* Used by fgetpos() and fsetpos() */
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#if defined(__GNUC__)
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typedef long long fpos_t;
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#else
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typedef long fpos_t;
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#endif /* __GNUC__ */
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/****************************************************************************/
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/*
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* This is part of the internal 'FILE' structure; this is guaranteed not to
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* change in future library releases. However, the private portion of this
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* data structure may change.
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*/
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typedef struct
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{
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unsigned long flags; /* See below for some of the public
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flag bits defined; this is by no
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means a complete list, though! */
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unsigned char * buffer; /* Points to the first byte of the
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buffer; this could be NULL! */
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long size; /* How many bytes will fit into the
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buffer; this could be 0! */
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long position; /* Current buffer position, which is
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usually a number between 0 and
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size-1 */
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long num_read_bytes; /* How many bytes can be read from
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the buffer; this can be 0! */
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long num_write_bytes; /* How many bytes have been copied
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to the buffer which have not been
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written back yet; this can be 0! */
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/* Private fields follow... */
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} FILE;
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/****************************************************************************/
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/* Field and flag definitions for the getc/putc macros below. */
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#define __FILE_BUFFER_MASK 3 /* Masks off the buffering mode */
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#define __FILE_EOF (1<<2) /* EOF reached */
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#define __FILE_READABLE (1<<3) /* File is readable */
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#define __FILE_WRITABLE (1<<4) /* File is writable */
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#define __FILE_IN_USE (1<<5) /* File is in use */
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#define __FILE_ERROR (1<<6) /* Error detected */
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/****************************************************************************/
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/*
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* Maximum file name buffer size for use with tmpfile() and tmpnam();
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* note that the maximum file name length is shorter by one character
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*/
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#define L_tmpnam 10
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/* Maximum number of unique file names tmpnam() can generate */
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#define TMP_MAX 0x3ffff
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/****************************************************************************/
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/* Anchor for the buffered standard I/O streams */
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extern struct iob ** __iob;
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/****************************************************************************/
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/* The three standard I/O streams */
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#define stdin ((FILE *)__iob[0])
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#define stdout ((FILE *)__iob[1])
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#define stderr ((FILE *)__iob[2])
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/****************************************************************************/
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extern void perror(const char * s);
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/****************************************************************************/
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extern FILE *fopen(const char *filename, const char *mode);
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extern int fclose(FILE *stream);
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extern int fflush(FILE *stream);
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extern FILE *freopen(const char *filename, const char *mode, FILE *stream);
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extern int setvbuf(FILE *stream,char *buf,int bufmode,size_t size);
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extern void setbuf(FILE *stream, char *buf);
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/****************************************************************************/
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extern int fseek(FILE *stream, long int offset, int wherefrom);
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extern long int ftell(FILE *stream);
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extern void rewind(FILE *stream);
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extern int fgetpos(FILE *stream, fpos_t *pos);
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extern int fsetpos(FILE *stream, fpos_t *pos);
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/****************************************************************************/
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extern int fgetc(FILE *stream);
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extern int getc(FILE *stream);
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extern int getchar(void);
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extern int ungetc(int c,FILE *stream);
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/****************************************************************************/
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extern int fputc(int c,FILE *stream);
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extern int putc(int c,FILE *stream);
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extern int putchar(int c);
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/****************************************************************************/
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extern char *fgets(char *s,int n,FILE *stream);
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extern char *gets(char *s);
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/****************************************************************************/
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