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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
432 lines
15 KiB
C
432 lines
15 KiB
C
/*
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* $Id: stdio_headers.h,v 1.8 2005-01-02 09:07:08 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_HEADERS_H
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#define _STDIO_HEADERS_H
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/****************************************************************************/
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#include <exec/libraries.h>
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#include <exec/memory.h>
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#include <devices/timer.h>
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#include <dos/dosextens.h>
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#include <dos/dostags.h>
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#include <dos/dosasl.h>
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#include <dos/record.h>
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#include <libraries/locale.h>
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#include <utility/hooks.h>
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/****************************************************************************/
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#include <clib/alib_protos.h>
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/****************************************************************************/
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#include <proto/exec.h>
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#include <proto/dos.h>
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/****************************************************************************/
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#include <signal.h>
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#include <stdlib.h>
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#include <string.h>
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#include <limits.h>
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#include <locale.h>
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#include <stdio.h>
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#include <errno.h>
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#include <ctype.h>
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/****************************************************************************/
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#include <sys/stat.h>
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#include <unistd.h>
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#include <dirent.h>
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#include <utime.h>
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#include <fcntl.h>
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#include <dos.h>
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/****************************************************************************/
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#ifndef _STDLIB_LOCALE_UTILITY_H
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#include "stdlib_locale_utility.h"
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#endif /* _STDLIB_LOCALE_UTILITY_H */
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/****************************************************************************/
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#ifndef _MATH_FP_SUPPORT_H
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#include "math_fp_support.h"
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#endif /* _MATH_FP_SUPPORT_H */
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/****************************************************************************/
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#if defined(FLOATING_POINT_SUPPORT)
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#include <math.h>
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#endif /* FLOATING_POINT_SUPPORT */
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/****************************************************************************/
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#include "macros.h"
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#include "debug.h"
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/****************************************************************************/
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/* CPU cache line size; used for alignment purposes with some data structures.
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This should be determined dynamically rather than preset here. For the
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68040/68060 the cache line size is 16 bytes, for the PowerPC G4 it's
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32 bytes and 128 bytes (gross!) for the PowerPC G5. */
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#if defined(__PPC__)
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#define CACHE_LINE_SIZE 32UL
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#else
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#define CACHE_LINE_SIZE 16UL
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#endif /* __PPC__ */
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/****************************************************************************/
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/* The directory entry type a socket is identified with (in a FileInfoBlock). */
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#define ST_SOCKET (31082002)
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/****************************************************************************/
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/* The three file buffering modes supported. */
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#define IOBF_BUFFER_MODE_FULL _IOFBF /* Buffer is flushed when it fills up */
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#define IOBF_BUFFER_MODE_LINE _IOLBF /* Buffer is flushed when it fills up
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or when a line end character is sent
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to it */
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#define IOBF_BUFFER_MODE_NONE _IONBF /* The buffer is never used */
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/****************************************************************************/
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/* CAREFUL: these mask/flag definitions must match the public definitions
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in <stdio.h> or there will be trouble! */
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#define IOBF_BUFFER_MODE 3 /* This is actually a mask which covers
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the first two bits, both of which
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contain the buffering mode to use. */
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#define IOBF_EOF_REACHED (1<<2) /* If this flag is set, then the end of
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the file was reached while reading
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from it. */
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#define IOBF_READ (1<<3) /* If this flag is set then data can
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be read from this file. */
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#define IOBF_WRITE (1<<4) /* If this flag is set then data can be
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written to this file. */
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#define IOBF_IN_USE (1<<5) /* If this flag is set then this file
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is not available for allocation */
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#define IOBF_ERROR (1<<6) /* An error was generated by an I/O
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operation. */
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#define IOBF_TEMP (1<<7) /* If this flag is set then the file will
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be deleted after it has been closed */
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#define IOBF_NO_NUL (1<<8) /* Don't NUL-terminate strings written to
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this stream. */
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#define IOBF_INTERNAL (1<<9) /* Not a regular file, but a buffered
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file handle made up on the spot in
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vsprintf(), etc. */
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/****************************************************************************/
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/* Each file handle is represented by the following structure. Note that this
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must match the layout of the public 'FILE' structure in <stdio.h> or
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things will take a turn for the worse! */
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struct iob
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{
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ULONG iob_Flags; /* Properties and options
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associated with this file */
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UBYTE * iob_Buffer; /* Points to the file buffer */
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LONG iob_BufferSize; /* Size of the buffer in bytes */
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LONG iob_BufferPosition; /* Current read position
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in the buffer (grows when any
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data is read from the buffer) */
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LONG iob_BufferReadBytes; /* Number of bytes available for
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reading (shrinks when any data
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is read from the buffer) */
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LONG iob_BufferWriteBytes; /* Number of bytes written to the
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buffer which still need to be
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flushed to disk (grows when any
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data is written to the buffer) */
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/************************************************************************/
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/* Public portion ends here */
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/************************************************************************/
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struct Hook * iob_Hook; /* The hook to invoke for file
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operations, such as read,
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write and seek. */
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int iob_SlotNumber; /* Points back to the iob table
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entry number. */
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int iob_Descriptor; /* Associated file descriptor */
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STRPTR iob_String; /* Alternative source of data;
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a pointer to a string */
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LONG iob_StringSize; /* Number of bytes that may be
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stored in the string */
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LONG iob_StringPosition; /* Current read/write position
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in the string */
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LONG iob_StringLength; /* Number of characters stored
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in the string */
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char * iob_File; /* For access tracking with the
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memory allocator. */
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int iob_Line;
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struct Hook iob_DefaultHook; /* Static hook */
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APTR iob_CustomBuffer; /* A custom buffer allocated
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by setvbuf() */
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char * iob_TempFileName; /* If this is a temporary
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file, this is its name */
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BPTR iob_TempFileLock; /* The directory in which this
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temporary file is stored */
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UBYTE iob_SingleByte; /* Fall-back buffer for 'unbuffered'
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files */
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};
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/****************************************************************************/
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#define __getc(f) \
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((((struct iob *)(f))->iob_BufferPosition < ((struct iob *)(f))->iob_BufferReadBytes) ? \
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((struct iob *)(f))->iob_Buffer[((struct iob *)(f))->iob_BufferPosition++] : \
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__fgetc((FILE *)(f)))
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#define __putc(c,f,m) \
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(((((struct iob *)(f))->iob_BufferWriteBytes < ((struct iob *)(f))->iob_BufferSize)) ? \
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(((struct iob *)(f))->iob_Buffer[((struct iob *)(f))->iob_BufferWriteBytes++] = (c), \
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(((m) == IOBF_BUFFER_MODE_LINE && \
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((struct iob *)(f))->iob_Buffer[((struct iob *)(f))->iob_BufferWriteBytes-1] == '\n') ? \
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__flush(f) : \
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(((struct iob *)(f))->iob_Buffer[((struct iob *)(f))->iob_BufferWriteBytes-1]))) : \
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__fputc((c),(f),(m)))
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#define __putc_fully_buffered(c,f) \
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(((((struct iob *)(f))->iob_BufferWriteBytes < ((struct iob *)(f))->iob_BufferSize)) ? \
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(((struct iob *)(f))->iob_Buffer[((struct iob *)(f))->iob_BufferWriteBytes++] = (c)) : \
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__fputc((c),(f),IOBF_BUFFER_MODE_FULL))
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#define __putc_line_buffered(c,f) \
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(((((struct iob *)(f))->iob_BufferWriteBytes < ((struct iob *)(f))->iob_BufferSize)) ? \
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(((struct iob *)(f))->iob_Buffer[((struct iob *)(f))->iob_BufferWriteBytes++] = (c), \
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(((c) == '\n') ? \
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__flush(f) : \
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((c)))) : \
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__fputc((c),(f),IOBF_BUFFER_MODE_LINE))
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/****************************************************************************/
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#define FDF_READ (1UL<<0) /* Data can be read from this file */
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#define FDF_WRITE (1UL<<1) /* Data can be written to this file */
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#define FDF_APPEND (1UL<<2) /* Before any data is written to it,
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the file position must be set to the
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end of the file */
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#define FDF_NO_CLOSE (1UL<<3) /* Never close this file */
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#define FDF_NON_BLOCKING (1UL<<4) /* File was switched into non-blocking
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mode (console streams only) */
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#define FDF_IS_SOCKET (1UL<<5) /* This is not a disk file but a socket */
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#define FDF_IS_LOCKED (1UL<<6) /* This file has an advisory record lock set */
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#define FDF_IN_USE (1UL<<7) /* This file is in use */
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#define FDF_CREATED (1UL<<8) /* This file was newly created and may need
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to have its protection bits updated after
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it has been closed */
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#define FDF_CACHE_POSITION (1UL<<9) /* Cache the file position. */
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#define FDF_ASYNC_IO (1UL<<10) /* File was switched into asynchronous I/O
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mode (sockets only). */
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#define FDF_IS_INTERACTIVE (1UL<<11) /* File is attached to a console window or
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something like it. */
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/****************************************************************************/
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struct fd
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{
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struct Hook * fd_Hook; /* Hook to invoke to perform actions */
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ULONG fd_Flags; /* File properties */
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struct fd * fd_Original; /* NULL if this is not a dup()ed file
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descriptor; points to original
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descriptor if non-NULL */
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struct fd * fd_NextLink; /* Points to next duplicate of this
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file descriptor; NULL for none */
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struct Hook fd_DefaultHook; /* Static hook */
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BPTR fd_DefaultFile; /* A dos.library file handle */
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LONG fd_Position; /* Cached file position (seek offset). */
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};
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/****************************************************************************/
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/* Files and directories to be unlinked when the program exits. */
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struct UnlinkNode
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{
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struct MinNode uln_MinNode;
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BPTR uln_Lock; /* Lock on the directory to which the
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name is relative */
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STRPTR uln_Name; /* The name of the file to remove */
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};
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/****************************************************************************/
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struct bcpl_name
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{
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unsigned char name[256];
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};
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/****************************************************************************/
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/* Actions that can be performed by the file handle hook. */
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enum file_hook_action_t
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{
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file_hook_action_read,
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file_hook_action_write,
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file_hook_action_seek,
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file_hook_action_close,
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file_hook_action_lock_record,
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file_hook_action_set_blocking,
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file_hook_action_change_owner,
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file_hook_action_truncate,
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file_hook_action_examine,
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file_hook_action_change_attributes,
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file_hook_action_info,
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file_hook_action_duplicate_fd,
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file_hook_action_seek_and_extend,
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file_hook_action_is_interactive,
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file_hook_action_set_async
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};
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/****************************************************************************/
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/* A message sent to a file handle hook. */
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struct file_hook_message
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{
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enum file_hook_action_t action; /* What to do */
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char * data; /* Where to read/write the data */
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long size; /* How much data to write */
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long position; /* The seek position */
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long mode; /* The seek mode */
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struct flock * lock; /* Record locking request */
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int command; /* What kind of locking command was sent */
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int arg; /* Whether or not this file should
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be set non-blocking */
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uid_t owner;
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gid_t group;
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struct FileInfoBlock * file_info;
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struct MsgPort * file_system;
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struct InfoData * info_data;
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struct fd * duplicate_fd;
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ULONG attributes;
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int error; /* Error code, if any... */
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long result; /* Whatever this produced */
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};
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/****************************************************************************/
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/* The file handle table. */
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extern struct iob ** NOCOMMON __iob;
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extern int NOCOMMON __num_iob;
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/****************************************************************************/
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/* The file descriptor table. */
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extern struct fd ** NOCOMMON __fd;
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extern int NOCOMMON __num_fd;
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/****************************************************************************/
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extern char * NOCOMMON __file_lock_semaphore_name;
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/****************************************************************************/
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extern BOOL NOCOMMON __no_standard_io;
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/****************************************************************************/
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/*extern int __iob_write_buffer_is_full(struct iob * file);*/
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#define __iob_write_buffer_is_full(file) \
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(((struct iob *)file)->iob_BufferSize > 0 && \
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((struct iob *)file)->iob_BufferWriteBytes == ((struct iob *)file)->iob_BufferSize)
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/****************************************************************************/
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#define __iob_write_buffer_is_valid(file) \
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(((struct iob *)file)->iob_BufferWriteBytes > 0)
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/****************************************************************************/
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#define __iob_num_unwritten_bytes(file) \
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(((struct iob *)file)->iob_BufferWriteBytes)
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/****************************************************************************/
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/*extern int __iob_read_buffer_is_empty(struct iob * file);*/
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#define __iob_read_buffer_is_empty(file) \
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(((struct iob *)file)->iob_BufferReadBytes == 0 || \
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((struct iob *)file)->iob_BufferPosition == ((struct iob *)file)->iob_BufferReadBytes)
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/****************************************************************************/
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#define __iob_num_unread_bytes(file) \
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((((struct iob *)file)->iob_BufferReadBytes > 0 && \
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((struct iob *)file)->iob_BufferPosition < ((struct iob *)file)->iob_BufferReadBytes) \
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? (((struct iob *)file)->iob_BufferReadBytes - ((struct iob *)file)->iob_BufferPosition) \
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: 0)
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/****************************************************************************/
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#define __iob_read_buffer_is_valid(file) \
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(((struct iob *)file)->iob_BufferReadBytes > 0)
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/****************************************************************************/
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#ifndef _STDIO_PROTOS_H
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#include "stdio_protos.h"
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#endif /* _STDIO_PROTOS_H */
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/****************************************************************************/
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#endif /* _STDIO_HEADERS_H */
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