mirror of
https://github.com/adtools/clib2.git
synced 2025-12-08 14:59:05 +00:00
c6fcede4ce
is now determined at initialization time. The I/O mode is restored before the program exits. Previously, any changes to the I/O mode would persist. git-svn-id: file:///Users/olsen/Code/migration-svn-zu-git/logical-line-staging/clib2/trunk@14801 87f5fb63-7c3d-0410-a384-fd976d0f7a62
434 lines
15 KiB
C
434 lines
15 KiB
C
/*
|
|
* $Id: stdio_headers.h,v 1.9 2005-01-12 09:15:50 obarthel Exp $
|
|
*
|
|
* :ts=4
|
|
*
|
|
* Portable ISO 'C' (1994) runtime library for the Amiga computer
|
|
* Copyright (c) 2002-2005 by Olaf Barthel <olsen@sourcery.han.de>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* - Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
*
|
|
* - Neither the name of Olaf Barthel nor the names of contributors
|
|
* may be used to endorse or promote products derived from this
|
|
* software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef _STDIO_HEADERS_H
|
|
#define _STDIO_HEADERS_H
|
|
|
|
/****************************************************************************/
|
|
|
|
#include <exec/libraries.h>
|
|
#include <exec/memory.h>
|
|
|
|
#include <devices/timer.h>
|
|
|
|
#include <dos/dosextens.h>
|
|
#include <dos/dostags.h>
|
|
#include <dos/dosasl.h>
|
|
#include <dos/record.h>
|
|
|
|
#include <libraries/locale.h>
|
|
|
|
#include <utility/hooks.h>
|
|
|
|
/****************************************************************************/
|
|
|
|
#include <clib/alib_protos.h>
|
|
|
|
/****************************************************************************/
|
|
|
|
#include <proto/exec.h>
|
|
#include <proto/dos.h>
|
|
|
|
/****************************************************************************/
|
|
|
|
#include <signal.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <limits.h>
|
|
#include <locale.h>
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
#include <ctype.h>
|
|
|
|
/****************************************************************************/
|
|
|
|
#include <sys/stat.h>
|
|
#include <unistd.h>
|
|
#include <dirent.h>
|
|
#include <utime.h>
|
|
#include <fcntl.h>
|
|
#include <dos.h>
|
|
|
|
/****************************************************************************/
|
|
|
|
#ifndef _STDLIB_LOCALE_UTILITY_H
|
|
#include "stdlib_locale_utility.h"
|
|
#endif /* _STDLIB_LOCALE_UTILITY_H */
|
|
|
|
/****************************************************************************/
|
|
|
|
#ifndef _MATH_FP_SUPPORT_H
|
|
#include "math_fp_support.h"
|
|
#endif /* _MATH_FP_SUPPORT_H */
|
|
|
|
/****************************************************************************/
|
|
|
|
#if defined(FLOATING_POINT_SUPPORT)
|
|
#include <math.h>
|
|
#endif /* FLOATING_POINT_SUPPORT */
|
|
|
|
/****************************************************************************/
|
|
|
|
#include "macros.h"
|
|
#include "debug.h"
|
|
|
|
/****************************************************************************/
|
|
|
|
/* CPU cache line size; used for alignment purposes with some data structures.
|
|
This should be determined dynamically rather than preset here. For the
|
|
68040/68060 the cache line size is 16 bytes, for the PowerPC G4 it's
|
|
32 bytes and 128 bytes (gross!) for the PowerPC G5. */
|
|
#if defined(__PPC__)
|
|
#define CACHE_LINE_SIZE 32UL
|
|
#else
|
|
#define CACHE_LINE_SIZE 16UL
|
|
#endif /* __PPC__ */
|
|
|
|
/****************************************************************************/
|
|
|
|
/* The directory entry type a socket is identified with (in a FileInfoBlock). */
|
|
#define ST_SOCKET (31082002)
|
|
|
|
/****************************************************************************/
|
|
|
|
/* The three file buffering modes supported. */
|
|
#define IOBF_BUFFER_MODE_FULL _IOFBF /* Buffer is flushed when it fills up */
|
|
#define IOBF_BUFFER_MODE_LINE _IOLBF /* Buffer is flushed when it fills up
|
|
or when a line end character is sent
|
|
to it */
|
|
#define IOBF_BUFFER_MODE_NONE _IONBF /* The buffer is never used */
|
|
|
|
/****************************************************************************/
|
|
|
|
/* CAREFUL: these mask/flag definitions must match the public definitions
|
|
in <stdio.h> or there will be trouble! */
|
|
|
|
#define IOBF_BUFFER_MODE 3 /* This is actually a mask which covers
|
|
the first two bits, both of which
|
|
contain the buffering mode to use. */
|
|
#define IOBF_EOF_REACHED (1<<2) /* If this flag is set, then the end of
|
|
the file was reached while reading
|
|
from it. */
|
|
#define IOBF_READ (1<<3) /* If this flag is set then data can
|
|
be read from this file. */
|
|
#define IOBF_WRITE (1<<4) /* If this flag is set then data can be
|
|
written to this file. */
|
|
#define IOBF_IN_USE (1<<5) /* If this flag is set then this file
|
|
is not available for allocation */
|
|
#define IOBF_ERROR (1<<6) /* An error was generated by an I/O
|
|
operation. */
|
|
#define IOBF_TEMP (1<<7) /* If this flag is set then the file will
|
|
be deleted after it has been closed */
|
|
#define IOBF_NO_NUL (1<<8) /* Don't NUL-terminate strings written to
|
|
this stream. */
|
|
#define IOBF_INTERNAL (1<<9) /* Not a regular file, but a buffered
|
|
file handle made up on the spot in
|
|
vsprintf(), etc. */
|
|
|
|
/****************************************************************************/
|
|
|
|
/* Each file handle is represented by the following structure. Note that this
|
|
must match the layout of the public 'FILE' structure in <stdio.h> or
|
|
things will take a turn for the worse! */
|
|
struct iob
|
|
{
|
|
ULONG iob_Flags; /* Properties and options
|
|
associated with this file */
|
|
|
|
UBYTE * iob_Buffer; /* Points to the file buffer */
|
|
LONG iob_BufferSize; /* Size of the buffer in bytes */
|
|
LONG iob_BufferPosition; /* Current read position
|
|
in the buffer (grows when any
|
|
data is read from the buffer) */
|
|
LONG iob_BufferReadBytes; /* Number of bytes available for
|
|
reading (shrinks when any data
|
|
is read from the buffer) */
|
|
LONG iob_BufferWriteBytes; /* Number of bytes written to the
|
|
buffer which still need to be
|
|
flushed to disk (grows when any
|
|
data is written to the buffer) */
|
|
|
|
/************************************************************************/
|
|
/* Public portion ends here */
|
|
/************************************************************************/
|
|
|
|
struct Hook * iob_Hook; /* The hook to invoke for file
|
|
operations, such as read,
|
|
write and seek. */
|
|
|
|
int iob_SlotNumber; /* Points back to the iob table
|
|
entry number. */
|
|
|
|
int iob_Descriptor; /* Associated file descriptor */
|
|
|
|
STRPTR iob_String; /* Alternative source of data;
|
|
a pointer to a string */
|
|
LONG iob_StringSize; /* Number of bytes that may be
|
|
stored in the string */
|
|
LONG iob_StringPosition; /* Current read/write position
|
|
in the string */
|
|
LONG iob_StringLength; /* Number of characters stored
|
|
in the string */
|
|
|
|
char * iob_File; /* For access tracking with the
|
|
memory allocator. */
|
|
int iob_Line;
|
|
|
|
struct Hook iob_DefaultHook; /* Static hook */
|
|
|
|
APTR iob_CustomBuffer; /* A custom buffer allocated
|
|
by setvbuf() */
|
|
|
|
char * iob_TempFileName; /* If this is a temporary
|
|
file, this is its name */
|
|
BPTR iob_TempFileLock; /* The directory in which this
|
|
temporary file is stored */
|
|
|
|
UBYTE iob_SingleByte; /* Fall-back buffer for 'unbuffered'
|
|
files */
|
|
};
|
|
|
|
/****************************************************************************/
|
|
|
|
#define __getc(f) \
|
|
((((struct iob *)(f))->iob_BufferPosition < ((struct iob *)(f))->iob_BufferReadBytes) ? \
|
|
((struct iob *)(f))->iob_Buffer[((struct iob *)(f))->iob_BufferPosition++] : \
|
|
__fgetc((FILE *)(f)))
|
|
|
|
#define __putc(c,f,m) \
|
|
(((((struct iob *)(f))->iob_BufferWriteBytes < ((struct iob *)(f))->iob_BufferSize)) ? \
|
|
(((struct iob *)(f))->iob_Buffer[((struct iob *)(f))->iob_BufferWriteBytes++] = (c), \
|
|
(((m) == IOBF_BUFFER_MODE_LINE && \
|
|
((struct iob *)(f))->iob_Buffer[((struct iob *)(f))->iob_BufferWriteBytes-1] == '\n') ? \
|
|
__flush(f) : \
|
|
(((struct iob *)(f))->iob_Buffer[((struct iob *)(f))->iob_BufferWriteBytes-1]))) : \
|
|
__fputc((c),(f),(m)))
|
|
|
|
#define __putc_fully_buffered(c,f) \
|
|
(((((struct iob *)(f))->iob_BufferWriteBytes < ((struct iob *)(f))->iob_BufferSize)) ? \
|
|
(((struct iob *)(f))->iob_Buffer[((struct iob *)(f))->iob_BufferWriteBytes++] = (c)) : \
|
|
__fputc((c),(f),IOBF_BUFFER_MODE_FULL))
|
|
|
|
#define __putc_line_buffered(c,f) \
|
|
(((((struct iob *)(f))->iob_BufferWriteBytes < ((struct iob *)(f))->iob_BufferSize)) ? \
|
|
(((struct iob *)(f))->iob_Buffer[((struct iob *)(f))->iob_BufferWriteBytes++] = (c), \
|
|
(((c) == '\n') ? \
|
|
__flush(f) : \
|
|
((c)))) : \
|
|
__fputc((c),(f),IOBF_BUFFER_MODE_LINE))
|
|
|
|
/****************************************************************************/
|
|
|
|
#define FDF_READ (1UL<<0) /* Data can be read from this file */
|
|
#define FDF_WRITE (1UL<<1) /* Data can be written to this file */
|
|
#define FDF_APPEND (1UL<<2) /* Before any data is written to it,
|
|
the file position must be set to the
|
|
end of the file */
|
|
#define FDF_NO_CLOSE (1UL<<3) /* Never close this file */
|
|
#define FDF_NON_BLOCKING (1UL<<4) /* File was switched into non-blocking
|
|
mode (console streams only) */
|
|
#define FDF_IS_SOCKET (1UL<<5) /* This is not a disk file but a socket */
|
|
#define FDF_IS_LOCKED (1UL<<6) /* This file has an advisory record lock set */
|
|
#define FDF_IN_USE (1UL<<7) /* This file is in use */
|
|
#define FDF_CREATED (1UL<<8) /* This file was newly created and may need
|
|
to have its protection bits updated after
|
|
it has been closed */
|
|
#define FDF_CACHE_POSITION (1UL<<9) /* Cache the file position. */
|
|
#define FDF_ASYNC_IO (1UL<<10) /* File was switched into asynchronous I/O
|
|
mode (sockets only). */
|
|
#define FDF_IS_INTERACTIVE (1UL<<11) /* File is attached to a console window or
|
|
something like it. */
|
|
#define FDF_DEFAULT_NON_BLOCKING (1UL<<12) /* This file defaults to non-blocking I/O
|
|
mode. */
|
|
|
|
/****************************************************************************/
|
|
|
|
struct fd
|
|
{
|
|
struct Hook * fd_Hook; /* Hook to invoke to perform actions */
|
|
ULONG fd_Flags; /* File properties */
|
|
struct fd * fd_Original; /* NULL if this is not a dup()ed file
|
|
descriptor; points to original
|
|
descriptor if non-NULL */
|
|
struct fd * fd_NextLink; /* Points to next duplicate of this
|
|
file descriptor; NULL for none */
|
|
struct Hook fd_DefaultHook; /* Static hook */
|
|
BPTR fd_DefaultFile; /* A dos.library file handle */
|
|
LONG fd_Position; /* Cached file position (seek offset). */
|
|
};
|
|
|
|
/****************************************************************************/
|
|
|
|
/* Files and directories to be unlinked when the program exits. */
|
|
struct UnlinkNode
|
|
{
|
|
struct MinNode uln_MinNode;
|
|
|
|
BPTR uln_Lock; /* Lock on the directory to which the
|
|
name is relative */
|
|
STRPTR uln_Name; /* The name of the file to remove */
|
|
};
|
|
|
|
/****************************************************************************/
|
|
|
|
struct bcpl_name
|
|
{
|
|
unsigned char name[256];
|
|
};
|
|
|
|
/****************************************************************************/
|
|
|
|
/* Actions that can be performed by the file handle hook. */
|
|
enum file_hook_action_t
|
|
{
|
|
file_hook_action_read,
|
|
file_hook_action_write,
|
|
file_hook_action_seek,
|
|
file_hook_action_close,
|
|
file_hook_action_lock_record,
|
|
file_hook_action_set_blocking,
|
|
file_hook_action_change_owner,
|
|
file_hook_action_truncate,
|
|
file_hook_action_examine,
|
|
file_hook_action_change_attributes,
|
|
file_hook_action_info,
|
|
file_hook_action_duplicate_fd,
|
|
file_hook_action_seek_and_extend,
|
|
file_hook_action_is_interactive,
|
|
file_hook_action_set_async
|
|
};
|
|
|
|
/****************************************************************************/
|
|
|
|
/* A message sent to a file handle hook. */
|
|
struct file_hook_message
|
|
{
|
|
enum file_hook_action_t action; /* What to do */
|
|
char * data; /* Where to read/write the data */
|
|
long size; /* How much data to write */
|
|
|
|
long position; /* The seek position */
|
|
long mode; /* The seek mode */
|
|
|
|
struct flock * lock; /* Record locking request */
|
|
int command; /* What kind of locking command was sent */
|
|
|
|
int arg; /* Whether or not this file should
|
|
be set non-blocking */
|
|
|
|
uid_t owner;
|
|
gid_t group;
|
|
|
|
struct FileInfoBlock * file_info;
|
|
struct MsgPort * file_system;
|
|
|
|
struct InfoData * info_data;
|
|
|
|
struct fd * duplicate_fd;
|
|
|
|
ULONG attributes;
|
|
|
|
int error; /* Error code, if any... */
|
|
|
|
long result; /* Whatever this produced */
|
|
};
|
|
|
|
/****************************************************************************/
|
|
|
|
/* The file handle table. */
|
|
extern struct iob ** NOCOMMON __iob;
|
|
extern int NOCOMMON __num_iob;
|
|
|
|
/****************************************************************************/
|
|
|
|
/* The file descriptor table. */
|
|
extern struct fd ** NOCOMMON __fd;
|
|
extern int NOCOMMON __num_fd;
|
|
|
|
/****************************************************************************/
|
|
|
|
extern char * NOCOMMON __file_lock_semaphore_name;
|
|
|
|
/****************************************************************************/
|
|
|
|
extern BOOL NOCOMMON __no_standard_io;
|
|
|
|
/****************************************************************************/
|
|
|
|
/*extern int __iob_write_buffer_is_full(struct iob * file);*/
|
|
|
|
#define __iob_write_buffer_is_full(file) \
|
|
(((struct iob *)file)->iob_BufferSize > 0 && \
|
|
((struct iob *)file)->iob_BufferWriteBytes == ((struct iob *)file)->iob_BufferSize)
|
|
|
|
/****************************************************************************/
|
|
|
|
#define __iob_write_buffer_is_valid(file) \
|
|
(((struct iob *)file)->iob_BufferWriteBytes > 0)
|
|
|
|
/****************************************************************************/
|
|
|
|
#define __iob_num_unwritten_bytes(file) \
|
|
(((struct iob *)file)->iob_BufferWriteBytes)
|
|
|
|
/****************************************************************************/
|
|
|
|
/*extern int __iob_read_buffer_is_empty(struct iob * file);*/
|
|
|
|
#define __iob_read_buffer_is_empty(file) \
|
|
(((struct iob *)file)->iob_BufferReadBytes == 0 || \
|
|
((struct iob *)file)->iob_BufferPosition == ((struct iob *)file)->iob_BufferReadBytes)
|
|
|
|
/****************************************************************************/
|
|
|
|
#define __iob_num_unread_bytes(file) \
|
|
((((struct iob *)file)->iob_BufferReadBytes > 0 && \
|
|
((struct iob *)file)->iob_BufferPosition < ((struct iob *)file)->iob_BufferReadBytes) \
|
|
? (((struct iob *)file)->iob_BufferReadBytes - ((struct iob *)file)->iob_BufferPosition) \
|
|
: 0)
|
|
|
|
/****************************************************************************/
|
|
|
|
#define __iob_read_buffer_is_valid(file) \
|
|
(((struct iob *)file)->iob_BufferReadBytes > 0)
|
|
|
|
/****************************************************************************/
|
|
|
|
#ifndef _STDIO_PROTOS_H
|
|
#include "stdio_protos.h"
|
|
#endif /* _STDIO_PROTOS_H */
|
|
|
|
/****************************************************************************/
|
|
|
|
#endif /* _STDIO_HEADERS_H */
|