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* libio/oldiofdopen.c (_IO_old_fdopen): Bring over recent changes

Browse Source 
in iofdopen.c. 
* libio/oldiofopen.c (_IO_old_fopen): Bring over recent changes in 
iofopen.c. 
* libio/oldiofclose.c (_IO_old_fclose): Bring over recent changes 
in iofclose.c. 
* libio/oldfileops.c (_IO_old_file_underflow, _IO_old_file_sync, 
_IO_old_file_seekoff): Bring over recent changes in fileops.c.
This commit is contained in:
Andreas Schwab 1999-03-26 18:23:22 +00:00
parent d782afad08
commit 3a90addad1
4 changed files with 43 additions and 14 deletions
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45
libio/oldfileops.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1995, 1997, 1998 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1995, 1997, 1998, 1999 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
Written by Per Bothner <bothner@cygnus.com>.
@ -39,6 +39,9 @@
#include <sys/stat.h>
#include <string.h>
#include <errno.h>
#ifdef __STDC__
#include <stdlib.h>
#endif
#ifndef errno
extern int errno;
#endif
@ -318,7 +321,15 @@ _IO_old_file_underflow (fp)
return *(unsigned char *) fp->_IO_read_ptr;
if (fp->_IO_buf_base == NULL)
_IO_doallocbuf (fp);
{
/* Maybe we already have a push back pointer. */
if (fp->_IO_save_base != NULL)
{
free (fp->_IO_save_base);
fp->_flags &= ~_IO_IN_BACKUP;
}
_IO_doallocbuf (fp);
}
/* Flush all line buffered files before reading. */
/* FIXME This can/should be moved to genops ?? */
@ -408,11 +419,9 @@ int
_IO_old_file_sync (fp)
_IO_FILE *fp;
{
_IO_size_t delta;
_IO_ssize_t delta;
int retval = 0;
_IO_cleanup_region_start ((void (*) __P ((void *))) _IO_funlockfile, fp);
_IO_flockfile (fp);
/* char* ptr = cur_ptr(); */
if (fp->_IO_write_ptr > fp->_IO_write_base)
if (_IO_old_do_flush(fp)) return EOF;
@ -437,8 +446,6 @@ _IO_old_file_sync (fp)
fp->_old_offset = _IO_pos_BAD;
/* FIXME: Cleanup - can this be shared? */
/* setg(base(), ptr, ptr); */
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
return retval;
}
@ -474,6 +481,12 @@ _IO_old_file_seekoff (fp, offset, dir, mode)
if (fp->_IO_buf_base == NULL)
{
/* It could be that we already have a pushback buffer. */
if (fp->_IO_read_base != NULL)
{
free (fp->_IO_read_base);
fp->_flags &= ~_IO_IN_BACKUP;
}
_IO_doallocbuf (fp);
_IO_setp (fp, fp->_IO_buf_base, fp->_IO_buf_base);
_IO_setg (fp, fp->_IO_buf_base, fp->_IO_buf_base, fp->_IO_buf_base);
@ -507,6 +520,10 @@ _IO_old_file_seekoff (fp, offset, dir, mode)
}
/* At this point, dir==_IO_seek_set. */
/* If we are only interested in the current position we've found it now. */
if (mode == 0)
return offset;
/* If destination is within current buffer, optimize: */
if (fp->_old_offset != _IO_pos_BAD && fp->_IO_read_base != NULL
&& !_IO_in_backup (fp))
@ -525,7 +542,10 @@ _IO_old_file_seekoff (fp, offset, dir, mode)
_IO_setg (fp, fp->_IO_buf_base, fp->_IO_buf_base + rel_offset,
fp->_IO_read_end);
_IO_setp (fp, fp->_IO_buf_base, fp->_IO_buf_base);
goto resync;
{
_IO_mask_flags (fp, 0, _IO_EOF_SEEN);
goto resync;
}
}
#ifdef TODO
/* If we have streammarkers, seek forward by reading ahead. */
@ -535,6 +555,7 @@ _IO_old_file_seekoff (fp, offset, dir, mode)
- (fp->_IO_read_ptr - fp->_IO_read_base);
if (ignore (to_skip) != to_skip)
goto dumb;
_IO_mask_flags (fp, 0, _IO_EOF_SEEN);
goto resync;
}
#endif
@ -545,6 +566,7 @@ _IO_old_file_seekoff (fp, offset, dir, mode)
if (!_IO_in_backup (fp))
_IO_switch_to_backup_area (fp);
gbump (fp->_IO_read_end + rel_offset - fp->_IO_read_ptr);
_IO_mask_flags (fp, 0, _IO_EOF_SEEN);
goto resync;
}
#endif
@ -680,7 +702,12 @@ _IO_old_file_xsputn (f, data, n)
count = to_do;
if (count > 20)
{
#ifdef _LIBC
f->_IO_write_ptr = __mempcpy (f->_IO_write_ptr, s, count);
#else
memcpy (f->_IO_write_ptr, s, count);
f->_IO_write_ptr += count;
#endif
s += count;
}
else
@ -689,8 +716,8 @@ _IO_old_file_xsputn (f, data, n)
register int i = (int) count;
while (--i >= 0)
*p++ = *s++;
f->_IO_write_ptr = p;
}
f->_IO_write_ptr += count;
to_do -= count;
}
if (to_do + must_flush > 0)

4
libio/oldiofclose.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1995, 1997, 1998 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1995, 1997, 1998, 1999 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -46,6 +46,8 @@ _IO_old_fclose (fp)
_IO_FINISH (fp);
_IO_funlockfile (fp);
_IO_cleanup_region_end (0);
if (_IO_have_backup (fp))
_IO_free_backup_area (fp);
if (fp != _IO_stdin && fp != _IO_stdout && fp != _IO_stderr)
{
fp->_IO_file_flags = 0;

4
libio/oldiofdopen.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1994, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1994, 1997, 1999 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -127,7 +127,7 @@ _IO_old_fdopen (fd, mode)
_IO_mask_flags (&new_f->fp.file, read_write,
_IO_NO_READS+_IO_NO_WRITES+_IO_IS_APPENDING);
return (_IO_FILE *) &new_f->fp;
return &new_f->fp.file;
}
strong_alias (_IO_old_fdopen, __old_fdopen)

4
libio/oldiofopen.c
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1993, 1997 Free Software Foundation, Inc.
/* Copyright (C) 1993, 1997, 1999 Free Software Foundation, Inc.
This file is part of the GNU IO Library.
This library is free software; you can redistribute it and/or
@ -55,7 +55,7 @@ _IO_old_fopen (filename, mode)
new_f->fp.vtable = NULL;
#endif
if (_IO_old_file_fopen (&new_f->fp.file, filename, mode) != NULL)
return (_IO_FILE *) &new_f->fp;
return &new_f->fp.file;
_IO_un_link (&new_f->fp.file);
free (new_f);
return NULL;