78 #include <jasper/jas_config.h> 81 #if defined(JAS_HAVE_FCNTL_H) 84 #include <jasper/jas_types.h> 104 #define JAS_STREAM_READ 0x0001 106 #define JAS_STREAM_WRITE 0x0002 108 #define JAS_STREAM_APPEND 0x0004 110 #define JAS_STREAM_BINARY 0x0008 112 #define JAS_STREAM_CREATE 0x0010 120 #define JAS_STREAM_UNBUF 0x0000 122 #define JAS_STREAM_LINEBUF 0x0001 124 #define JAS_STREAM_FULLBUF 0x0002 126 #define JAS_STREAM_BUFMODEMASK 0x000f 130 #define JAS_STREAM_FREEBUF 0x0008 132 #define JAS_STREAM_RDBUF 0x0010 134 #define JAS_STREAM_WRBUF 0x0020 141 #define JAS_STREAM_EOF 0x0001 143 #define JAS_STREAM_ERR 0x0002 145 #define JAS_STREAM_RWLIMIT 0x0004 147 #define JAS_STREAM_ERRMASK \ 148 (JAS_STREAM_EOF | JAS_STREAM_ERR | JAS_STREAM_RWLIMIT) 155 #define JAS_STREAM_BUFSIZE 8192 157 #define JAS_STREAM_PERMS 0666 160 #define JAS_STREAM_MAXPUTBACK 16 170 typedef void jas_stream_obj_t;
179 int (*read_)(jas_stream_obj_t *obj,
char *buf,
unsigned cnt);
182 int (*write_)(jas_stream_obj_t *obj,
char *buf,
unsigned cnt);
185 long (*seek_)(jas_stream_obj_t *obj,
long offset,
int origin);
188 int (*close_)(jas_stream_obj_t *obj);
212 jas_uchar *bufstart_;
225 jas_uchar tinybuf_[JAS_STREAM_MAXPUTBACK + 1];
228 const jas_stream_ops_t *ops_;
231 jas_stream_obj_t *obj_;
251 char pathname[L_tmpnam + 1];
252 } jas_stream_fileobj_t;
254 #define JAS_STREAM_FILEOBJ_DELONCLOSE 0x01 255 #define JAS_STREAM_FILEOBJ_NOCLOSE 0x02 281 } jas_stream_memobj_t;
288 JAS_DLLEXPORT jas_stream_t *jas_stream_fopen(
const char *filename,
const char *mode);
291 JAS_DLLEXPORT jas_stream_t *jas_stream_memopen(
char *buf,
int bufsize);
295 JAS_DLLEXPORT jas_stream_t *jas_stream_memopen2(
char *buf,
size_t bufsize);
298 JAS_DLLEXPORT jas_stream_t *jas_stream_fdopen(
int fd,
const char *mode);
301 JAS_DLLEXPORT jas_stream_t *jas_stream_freopen(
const char *path,
const char *mode, FILE *fp);
304 JAS_DLLEXPORT jas_stream_t *jas_stream_tmpfile(
void);
307 JAS_DLLEXPORT
int jas_stream_close(jas_stream_t *stream);
314 #define jas_stream_eof(stream) \ 315 (((stream)->flags_ & JAS_STREAM_EOF) != 0) 318 #define jas_stream_error(stream) \ 319 (((stream)->flags_ & JAS_STREAM_ERR) != 0) 322 #define jas_stream_clearerr(stream) \ 323 ((stream)->flags_ &= ~(JAS_STREAM_ERR | JAS_STREAM_EOF)) 326 #define jas_stream_getrwlimit(stream) \ 327 (((const jas_stream_t *)(stream))->rwlimit_) 330 JAS_DLLEXPORT
int jas_stream_setrwlimit(jas_stream_t *stream,
long rwlimit);
333 #define jas_stream_getrwcount(stream) \ 334 (((const jas_stream_t *)(stream))->rwcnt_) 337 JAS_DLLEXPORT
long jas_stream_setrwcount(jas_stream_t *stream,
long rwcnt);
345 #define jas_stream_getc(stream) jas_stream_getc_func(stream) 347 #define jas_stream_getc(stream) jas_stream_getc_macro(stream) 352 #define jas_stream_putc(stream, c) jas_stream_putc_func(stream, c) 354 #define jas_stream_putc(stream, c) jas_stream_putc_macro(stream, c) 358 JAS_DLLEXPORT
int jas_stream_read(jas_stream_t *stream,
void *buf,
unsigned cnt);
361 JAS_DLLEXPORT
int jas_stream_write(jas_stream_t *stream,
const void *buf,
unsigned cnt);
364 JAS_DLLEXPORT
int jas_stream_printf(jas_stream_t *stream,
const char *fmt, ...);
367 JAS_DLLEXPORT
int jas_stream_puts(jas_stream_t *stream,
const char *s);
370 JAS_DLLEXPORT
char *jas_stream_gets(jas_stream_t *stream,
char *buf,
int bufsize);
374 #define jas_stream_peekc(stream) \ 375 (((stream)->cnt_ <= 0) ? jas_stream_fillbuf(stream, 0) : \ 376 ((int)(*(stream)->ptr_))) 379 JAS_DLLEXPORT
int jas_stream_ungetc(jas_stream_t *stream,
int c);
387 JAS_DLLEXPORT
int jas_stream_isseekable(jas_stream_t *stream);
390 JAS_DLLEXPORT
long jas_stream_seek(jas_stream_t *stream,
long offset,
int origin);
394 JAS_DLLEXPORT
long jas_stream_tell(jas_stream_t *stream);
397 JAS_DLLEXPORT
int jas_stream_rewind(jas_stream_t *stream);
404 JAS_DLLEXPORT
int jas_stream_flush(jas_stream_t *stream);
411 JAS_DLLEXPORT
int jas_stream_copy(jas_stream_t *dst, jas_stream_t *src,
int n);
414 JAS_DLLEXPORT
int jas_stream_display(jas_stream_t *stream, FILE *fp,
int n);
417 JAS_DLLEXPORT
int jas_stream_gobble(jas_stream_t *stream,
int n);
420 JAS_DLLEXPORT
int jas_stream_pad(jas_stream_t *stream,
int n,
int c);
425 JAS_DLLEXPORT
long jas_stream_length(jas_stream_t *stream);
435 #define jas_stream_getc_macro(stream) \ 436 ((!((stream)->flags_ & (JAS_STREAM_ERR | JAS_STREAM_EOF | \ 437 JAS_STREAM_RWLIMIT))) ? \ 438 (((stream)->rwlimit_ >= 0 && (stream)->rwcnt_ >= (stream)->rwlimit_) ? \ 439 (stream->flags_ |= JAS_STREAM_RWLIMIT, EOF) : \ 440 jas_stream_getc2(stream)) : EOF) 441 #define jas_stream_getc2(stream) \ 442 ((--(stream)->cnt_ < 0) ? jas_stream_fillbuf(stream, 1) : \ 443 (++(stream)->rwcnt_, (int)(*(stream)->ptr_++))) 446 #define jas_stream_putc_macro(stream, c) \ 447 ((!((stream)->flags_ & (JAS_STREAM_ERR | JAS_STREAM_EOF | \ 448 JAS_STREAM_RWLIMIT))) ? \ 449 (((stream)->rwlimit_ >= 0 && (stream)->rwcnt_ >= (stream)->rwlimit_) ? \ 450 (stream->flags_ |= JAS_STREAM_RWLIMIT, EOF) : \ 451 jas_stream_putc2(stream, c)) : EOF) 452 #define jas_stream_putc2(stream, c) \ 453 (((stream)->bufmode_ |= JAS_STREAM_WRBUF, --(stream)->cnt_ < 0) ? \ 454 jas_stream_flushbuf((stream), (jas_uchar)(c)) : \ 455 (++(stream)->rwcnt_, (int)(*(stream)->ptr_++ = (c)))) 459 JAS_DLLEXPORT
int jas_stream_fillbuf(jas_stream_t *stream,
int getflag);
460 JAS_DLLEXPORT
int jas_stream_flushbuf(jas_stream_t *stream,
int c);
461 JAS_DLLEXPORT
int jas_stream_getc_func(jas_stream_t *stream);
462 JAS_DLLEXPORT
int jas_stream_putc_func(jas_stream_t *stream,
int c);