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added option file handling

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This commit is contained in:
Werner Koch 1997-12-12 12:03:58 +00:00
parent 935965049d
commit 68ea0f4353
38 changed files with 2772 additions and 551 deletions
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18
include/iobuf.h
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@ -39,18 +39,14 @@ typedef struct iobuf_struct *IOBUF;
struct iobuf_struct {
int usage; /* 1 input , 2 output, 3 temp */
unsigned long nlimit;
unsigned long nbytes;
unsigned long nbytes; /* used together with nlimit */
unsigned long ntotal; /* total bytes read (position of stream) */
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;
struct {
size_t size;
size_t len;
char *buf;
} recorder;
int filter_eof;
int (*filter)( void *opaque, int control,
IOBUF chain, byte *buf, size_t *len);
@ -80,6 +76,9 @@ void iobuf_clear_eof(IOBUF a);
void iobuf_set_limit( IOBUF a, unsigned long nlimit );
ulong iobuf_tell( IOBUF a );
int iobuf_seek( IOBUF a, ulong newpos );
int iobuf_readbyte(IOBUF a);
int iobuf_writebyte(IOBUF a, unsigned c);
int iobuf_write(IOBUF a, byte *buf, unsigned buflen );
@ -88,10 +87,6 @@ int iobuf_writestr(IOBUF a, const char *buf );
int iobuf_write_temp( IOBUF a, IOBUF temp );
size_t iobuf_temp_to_buffer( IOBUF a, byte *buffer, size_t buflen );
void iobuf_start_recorder( IOBUF a );
void iobuf_push_recorder( IOBUF a, int c );
char *iobuf_stop_recorder( IOBUF a, size_t *n );
u32 iobuf_get_filelength( IOBUF a );
const char *iobuf_get_fname( IOBUF a );
@ -104,8 +99,7 @@ int iobuf_in_block_mode( IOBUF a );
* returned value to be in the range 0 ..255.
*/
#define iobuf_get(a) \
( ((a)->recorder.buf || (a)->nlimit \
|| (a)->d.start >= (a)->d.len )? \
( ((a)->nlimit || (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)