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03519ddaa8
git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@1791 72102866-910b-0410-8b05-ffd578937521
82 lines
3.2 KiB
C
82 lines
3.2 KiB
C
/* objc_streams - C-function interface to Objective-C streams
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Copyright (C) 1993,1994, 1996 Free Software Foundation, Inc.
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Written by: Adam Fedor <fedor@boulder.colorado.edu>
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Date: Jun 1996
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This file is part of the GNUstep Base Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this library; if not, write to the Free
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Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __objc_stream_h_GNUSTEP_BASE_INCLUDE
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#define __objc_stream_h_GNUSTEP_BASE_INCLUDE
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#include <stdarg.h>
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#include <objc/typedstream.h>
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typedef struct _ostream {
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void* stream_obj;
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int flags;
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} ostream;
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/* Access modes */
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#define OSTREAM_READONLY 1 /* read on stream only */
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#define OSTREAM_WRITEONLY 2 /* write on stream only */
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#define OSTREAM_READWRITE 4 /* do read & write */
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#define OSTREAM_APPEND 8 /* append (write at end of file) */
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/* Seek modes */
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#define OSTREAM_SEEK_FROM_START 0
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#define OSTREAM_SEEK_FROM_CURRENT 1
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#define OSTREAM_SEEK_FROM_END 2
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/* Private flags */
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#define OSTREAM_READFLAG 1 /* stream is for reading */
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#define OSTREAM_WRITEFLAG (1 << 1) /* stream is for writing */
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#define OSTREAM_ISBUFFER (1 << 2)
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#define OSTREAM_USER_OWNS_BUF (1 << 3)
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#define OSTREAM_CANSEEK (1 << 4)
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extern int ostream_getc(ostream* s);
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extern void ostream_ungetc(ostream* s);
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extern int ostream_putc(ostream* s, int c);
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extern BOOL ostream_at_eos(ostream* s);
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extern char* ostream_gets(ostream* s, char* buf, int count);
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extern int ostream_flush(ostream *s);
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extern void ostream_seek(ostream *s, long offset, int mode);
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extern long ostream_tell(ostream *s);
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extern int ostream_read(ostream* s, void* buf, int count);
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extern int ostream_write(ostream* s, const void* buf, int count);
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extern void ostream_printf(ostream *s, const char *format, ...);
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extern void ostream_vprintf(ostream *s, const char *format, va_list argList);
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extern int ostream_scanf(ostream *s, const char *format, ...);
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extern int ostream_vscanf(ostream *s, const char *format, va_list argList);
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extern ostream *ostream_open_descriptor(int fd, int mode);
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extern ostream *ostream_open_memory(const char *addr, int size, int mode);
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extern ostream *ostream_map_file(const char *name, int mode);
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extern int ostream_save_to_file(ostream *s, const char *name);
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extern void ostream_get_memory_buffer(ostream *s, char **addr,
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int *len, int *maxlen);
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extern void ostream_close_memory(ostream *s, int option);
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extern void ostream_close(ostream *s);
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#define OSTREAM_FREEBUFFER 0
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#define OSTREAM_TRUNCATEBUFFER 1
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#define OSTREAM_SAVEBUFFER 2
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#endif /* __objc_stream_h_GNUSTEP_BASE_INCLUDE */
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