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Diffstat (limited to '')
| -rw-r--r-- | include/iobuf.h | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/include/iobuf.h b/include/iobuf.h deleted file mode 100644 index f94cf4d28..000000000 --- a/include/iobuf.h +++ /dev/null @@ -1,161 +0,0 @@ -/* iobuf.h - I/O buffer - * Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc. - * - * This file is part of GNUPG. - * - * GNUPG is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * GNUPG is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA - */ - -#ifndef G10_IOBUF_H -#define G10_IOBUF_H - -#include "types.h" - - -#define DBG_IOBUF iobuf_debug_mode - - -#define IOBUFCTRL_INIT 1 -#define IOBUFCTRL_FREE 2 -#define IOBUFCTRL_UNDERFLOW 3 -#define IOBUFCTRL_FLUSH 4 -#define IOBUFCTRL_DESC 5 -#define IOBUFCTRL_CANCEL 6 -#define IOBUFCTRL_USER 16 - -typedef struct iobuf_struct *IOBUF; - -/* fixme: we should hide most of this stuff */ -struct iobuf_struct { - int use; /* 1 input , 2 output, 3 temp */ - off_t nlimit; - off_t nbytes; /* used together with nlimit */ - off_t ntotal; /* total bytes read (position of stream) */ - int nofast; /* used by the iobuf_get() */ - void *directfp; - struct { - size_t size; /* allocated size */ - size_t start; /* number of invalid bytes at the begin of the buffer */ - size_t len; /* currently filled to this size */ - byte *buf; - } d; - int filter_eof; - int error; - int (*filter)( void *opaque, int control, - IOBUF chain, byte *buf, size_t *len); - void *filter_ov; /* value for opaque */ - int filter_ov_owner; - char *real_fname; - IOBUF chain; /* next iobuf used for i/o if any (passed to filter) */ - int no, subno; - const char *desc; - void *opaque; /* can be used to hold any information */ - /* this value is copied to all instances */ - struct { - size_t size; /* allocated size */ - size_t start; /* number of invalid bytes at the begin of the buffer */ - size_t len; /* currently filled to this size */ - byte *buf; - } unget; -}; - -#ifndef EXTERN_UNLESS_MAIN_MODULE - #if defined (__riscos__) && !defined (INCLUDED_BY_MAIN_MODULE) - #define EXTERN_UNLESS_MAIN_MODULE extern - #else - #define EXTERN_UNLESS_MAIN_MODULE - #endif -#endif -EXTERN_UNLESS_MAIN_MODULE int iobuf_debug_mode; - -void iobuf_enable_special_filenames ( int yes ); -IOBUF iobuf_alloc(int use, size_t bufsize); -IOBUF iobuf_temp(void); -IOBUF iobuf_temp_with_content( const char *buffer, size_t length ); -IOBUF iobuf_open( const char *fname ); -IOBUF iobuf_fdopen( int fd, const char *mode ); -IOBUF iobuf_sockopen( int fd, const char *mode ); -IOBUF iobuf_create( const char *fname ); -IOBUF iobuf_append( const char *fname ); -IOBUF iobuf_openrw( const char *fname ); -int iobuf_ioctl ( IOBUF a, int cmd, int intval, void *ptrval ); -int iobuf_close( IOBUF iobuf ); -int iobuf_cancel( IOBUF iobuf ); - -int iobuf_push_filter( IOBUF a, int (*f)(void *opaque, int control, - IOBUF chain, byte *buf, size_t *len), void *ov ); -int iobuf_push_filter2( IOBUF a, - int (*f)(void *opaque, int control, - IOBUF chain, byte *buf, size_t *len), - void *ov, int rel_ov ); -int iobuf_flush(IOBUF a); -void iobuf_clear_eof(IOBUF a); -#define iobuf_set_error(a) do { (a)->error = 1; } while(0) -#define iobuf_error(a) ((a)->error) - -void iobuf_set_limit( IOBUF a, off_t nlimit ); - -off_t iobuf_tell( IOBUF a ); -int iobuf_seek( IOBUF a, off_t newpos ); - -int iobuf_readbyte(IOBUF a); -int iobuf_read(IOBUF a, byte *buf, unsigned buflen ); -unsigned iobuf_read_line( IOBUF a, byte **addr_of_buffer, - unsigned *length_of_buffer, unsigned *max_length ); -int iobuf_peek(IOBUF a, byte *buf, unsigned buflen ); -int iobuf_writebyte(IOBUF a, unsigned c); -int iobuf_write(IOBUF a, byte *buf, unsigned buflen ); -int iobuf_writestr(IOBUF a, const char *buf ); - -void iobuf_flush_temp( IOBUF temp ); -int iobuf_write_temp( IOBUF a, IOBUF temp ); -size_t iobuf_temp_to_buffer( IOBUF a, byte *buffer, size_t buflen ); -void iobuf_unget_and_close_temp( IOBUF a, IOBUF temp ); - -off_t iobuf_get_filelength( IOBUF a ); -#define IOBUF_FILELENGTH_LIMIT 0xffffffff -const char *iobuf_get_real_fname( IOBUF a ); -const char *iobuf_get_fname( IOBUF a ); - -void iobuf_set_block_mode( IOBUF a, size_t n ); -void iobuf_set_partial_block_mode( IOBUF a, size_t len ); -int iobuf_in_block_mode( IOBUF a ); - -int iobuf_translate_file_handle ( int fd, int for_write ); - - -/* get a byte form the iobuf; must check for eof prior to this function - * this function returns values in the range 0 .. 255 or -1 to indicate EOF - * iobuf_get_noeof() does not return -1 to indicate EOF, but masks the - * returned value to be in the range 0 ..255. - */ -#define iobuf_get(a) \ - ( ((a)->nofast || (a)->d.start >= (a)->d.len )? \ - iobuf_readbyte((a)) : ( (a)->nbytes++, (a)->d.buf[(a)->d.start++] ) ) -#define iobuf_get_noeof(a) (iobuf_get((a))&0xff) - -/* write a byte to the iobuf and return true on write error - * This macro does only write the low order byte - */ -#define iobuf_put(a,c) iobuf_writebyte(a,c) - -#define iobuf_where(a) "[don't know]" -#define iobuf_id(a) ((a)->no) - -#define iobuf_get_temp_buffer(a) ( (a)->d.buf ) -#define iobuf_get_temp_length(a) ( (a)->d.len ) -#define iobuf_is_temp(a) ( (a)->use == 3 ) - -#endif /*G10_IOBUF_H*/ |