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Diffstat (limited to '')
| -rw-r--r-- | common/iobuf.h | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/common/iobuf.h b/common/iobuf.h deleted file mode 100644 index 0af94e22d..000000000 --- a/common/iobuf.h +++ /dev/null @@ -1,170 +0,0 @@ -/* iobuf.h - I/O buffer - * Copyright (C) 1998, 1999, 2000, 2001, 2003 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 GNUPG_COMMON_IOBUF_H -#define GNUPG_COMMON_IOBUF_H - -#include "../include/types.h" /* fixme: should be moved elsewhere. */ - - -#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_t; - -/* 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_t chain, byte * buf, size_t * len); - void *filter_ov; /* value for opaque */ - int filter_ov_owner; - char *real_fname; - iobuf_t 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_t iobuf_alloc (int use, size_t bufsize); -iobuf_t iobuf_temp (void); -iobuf_t iobuf_temp_with_content (const char *buffer, size_t length); -iobuf_t iobuf_open (const char *fname); -iobuf_t iobuf_fdopen (int fd, const char *mode); -iobuf_t iobuf_sockopen (int fd, const char *mode); -iobuf_t iobuf_create (const char *fname); -iobuf_t iobuf_append (const char *fname); -iobuf_t iobuf_openrw (const char *fname); -int iobuf_ioctl (iobuf_t a, int cmd, int intval, void *ptrval); -int iobuf_close (iobuf_t iobuf); -int iobuf_cancel (iobuf_t iobuf); - -int iobuf_push_filter (iobuf_t a, int (*f) (void *opaque, int control, - iobuf_t chain, byte * buf, - size_t * len), void *ov); -int iobuf_push_filter2 (iobuf_t a, - int (*f) (void *opaque, int control, iobuf_t chain, - byte * buf, size_t * len), void *ov, - int rel_ov); -int iobuf_flush (iobuf_t a); -void iobuf_clear_eof (iobuf_t a); -#define iobuf_set_error(a) do { (a)->error = 1; } while(0) -#define iobuf_error(a) ((a)->error) - -void iobuf_set_limit (iobuf_t a, off_t nlimit); - -off_t iobuf_tell (iobuf_t a); -int iobuf_seek (iobuf_t a, off_t newpos); - -int iobuf_readbyte (iobuf_t a); -int iobuf_read (iobuf_t a, byte * buf, unsigned buflen); -unsigned iobuf_read_line (iobuf_t a, byte ** addr_of_buffer, - unsigned *length_of_buffer, unsigned *max_length); -int iobuf_peek (iobuf_t a, byte * buf, unsigned buflen); -int iobuf_writebyte (iobuf_t a, unsigned c); -int iobuf_write (iobuf_t a, byte * buf, unsigned buflen); -int iobuf_writestr (iobuf_t a, const char *buf); - -void iobuf_flush_temp (iobuf_t temp); -int iobuf_write_temp (iobuf_t a, iobuf_t temp); -size_t iobuf_temp_to_buffer (iobuf_t a, byte * buffer, size_t buflen); -void iobuf_unget_and_close_temp (iobuf_t a, iobuf_t temp); - -off_t iobuf_get_filelength (iobuf_t a); -#define IOBUF_FILELENGTH_LIMIT 0xffffffff -const char *iobuf_get_real_fname (iobuf_t a); -const char *iobuf_get_fname (iobuf_t a); - -void iobuf_set_block_mode (iobuf_t a, size_t n); -void iobuf_set_partial_block_mode (iobuf_t a, size_t len); -int iobuf_in_block_mode (iobuf_t 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 /*GNUPG_COMMON_IOBUF_H*/ |