78 #include <jasper/jas_config.h>
82 #if defined(JAS_HAVE_FCNTL_H)
85 #include <jasper/jas_types.h>
101 #define JAS_PATH_MAX PATH_MAX
103 #define JAS_PATH_MAX 4096
111 #define JAS_STREAM_READ 0x0001
113 #define JAS_STREAM_WRITE 0x0002
115 #define JAS_STREAM_APPEND 0x0004
117 #define JAS_STREAM_BINARY 0x0008
119 #define JAS_STREAM_CREATE 0x0010
127 #define JAS_STREAM_UNBUF 0x0000
129 #define JAS_STREAM_LINEBUF 0x0001
131 #define JAS_STREAM_FULLBUF 0x0002
133 #define JAS_STREAM_BUFMODEMASK 0x000f
137 #define JAS_STREAM_FREEBUF 0x0008
139 #define JAS_STREAM_RDBUF 0x0010
141 #define JAS_STREAM_WRBUF 0x0020
148 #define JAS_STREAM_EOF 0x0001
150 #define JAS_STREAM_ERR 0x0002
152 #define JAS_STREAM_RWLIMIT 0x0004
154 #define JAS_STREAM_ERRMASK \
155 (JAS_STREAM_EOF | JAS_STREAM_ERR | JAS_STREAM_RWLIMIT)
162 #define JAS_STREAM_BUFSIZE 8192
164 #define JAS_STREAM_PERMS 0666
167 #define JAS_STREAM_MAXPUTBACK 16
177 typedef void jas_stream_obj_t;
186 int (*read_)(jas_stream_obj_t *obj,
char *buf,
unsigned cnt);
189 int (*write_)(jas_stream_obj_t *obj,
char *buf,
unsigned cnt);
192 long (*seek_)(jas_stream_obj_t *obj,
long offset,
int origin);
195 int (*close_)(jas_stream_obj_t *obj);
219 jas_uchar *bufstart_;
232 jas_uchar tinybuf_[JAS_STREAM_MAXPUTBACK + 1];
235 const jas_stream_ops_t *ops_;
238 jas_stream_obj_t *obj_;
258 char pathname[JAS_PATH_MAX + 1];
259 } jas_stream_fileobj_t;
261 #define JAS_STREAM_FILEOBJ_DELONCLOSE 0x01
262 #define JAS_STREAM_FILEOBJ_NOCLOSE 0x02
288 } jas_stream_memobj_t;
295 JAS_DLLEXPORT jas_stream_t *jas_stream_fopen(
const char *filename,
const char *mode);
298 JAS_DLLEXPORT jas_stream_t *jas_stream_memopen(
char *buf,
int bufsize);
302 JAS_DLLEXPORT jas_stream_t *jas_stream_memopen2(
char *buf,
size_t bufsize);
305 JAS_DLLEXPORT jas_stream_t *jas_stream_fdopen(
int fd,
const char *mode);
308 JAS_DLLEXPORT jas_stream_t *jas_stream_freopen(
const char *path,
const char *mode, FILE *fp);
311 JAS_DLLEXPORT jas_stream_t *jas_stream_tmpfile(
void);
314 JAS_DLLEXPORT
int jas_stream_close(jas_stream_t *stream);
321 #define jas_stream_eof(stream) \
322 (((stream)->flags_ & JAS_STREAM_EOF) != 0)
325 #define jas_stream_error(stream) \
326 (((stream)->flags_ & JAS_STREAM_ERR) != 0)
329 #define jas_stream_clearerr(stream) \
330 ((stream)->flags_ &= ~(JAS_STREAM_ERR | JAS_STREAM_EOF))
333 #define jas_stream_getrwlimit(stream) \
334 (((const jas_stream_t *)(stream))->rwlimit_)
337 JAS_DLLEXPORT
int jas_stream_setrwlimit(jas_stream_t *stream,
long rwlimit);
340 #define jas_stream_getrwcount(stream) \
341 (((const jas_stream_t *)(stream))->rwcnt_)
344 JAS_DLLEXPORT
long jas_stream_setrwcount(jas_stream_t *stream,
long rwcnt);
352 #define jas_stream_getc(stream) jas_stream_getc_func(stream)
354 #define jas_stream_getc(stream) jas_stream_getc_macro(stream)
359 #define jas_stream_putc(stream, c) jas_stream_putc_func(stream, c)
361 #define jas_stream_putc(stream, c) jas_stream_putc_macro(stream, c)
365 JAS_DLLEXPORT
int jas_stream_read(jas_stream_t *stream,
void *buf,
unsigned cnt);
368 JAS_DLLEXPORT
int jas_stream_write(jas_stream_t *stream,
const void *buf,
unsigned cnt);
371 JAS_DLLEXPORT
int jas_stream_printf(jas_stream_t *stream,
const char *fmt, ...);
374 JAS_DLLEXPORT
int jas_stream_puts(jas_stream_t *stream,
const char *s);
377 JAS_DLLEXPORT
char *jas_stream_gets(jas_stream_t *stream,
char *buf,
int bufsize);
381 #define jas_stream_peekc(stream) \
382 (((stream)->cnt_ <= 0) ? jas_stream_fillbuf(stream, 0) : \
383 ((int)(*(stream)->ptr_)))
386 JAS_DLLEXPORT
int jas_stream_ungetc(jas_stream_t *stream,
int c);
394 JAS_DLLEXPORT
int jas_stream_isseekable(jas_stream_t *stream);
397 JAS_DLLEXPORT
long jas_stream_seek(jas_stream_t *stream,
long offset,
int origin);
401 JAS_DLLEXPORT
long jas_stream_tell(jas_stream_t *stream);
404 JAS_DLLEXPORT
int jas_stream_rewind(jas_stream_t *stream);
411 JAS_DLLEXPORT
int jas_stream_flush(jas_stream_t *stream);
418 JAS_DLLEXPORT
int jas_stream_copy(jas_stream_t *dst, jas_stream_t *src,
int n);
421 JAS_DLLEXPORT
int jas_stream_display(jas_stream_t *stream, FILE *fp,
int n);
424 JAS_DLLEXPORT
int jas_stream_gobble(jas_stream_t *stream,
int n);
427 JAS_DLLEXPORT
int jas_stream_pad(jas_stream_t *stream,
int n,
int c);
432 JAS_DLLEXPORT
long jas_stream_length(jas_stream_t *stream);
442 #define jas_stream_getc_macro(stream) \
443 ((!((stream)->flags_ & (JAS_STREAM_ERR | JAS_STREAM_EOF | \
444 JAS_STREAM_RWLIMIT))) ? \
445 (((stream)->rwlimit_ >= 0 && (stream)->rwcnt_ >= (stream)->rwlimit_) ? \
446 (stream->flags_ |= JAS_STREAM_RWLIMIT, EOF) : \
447 jas_stream_getc2(stream)) : EOF)
448 #define jas_stream_getc2(stream) \
449 ((--(stream)->cnt_ < 0) ? jas_stream_fillbuf(stream, 1) : \
450 (++(stream)->rwcnt_, (int)(*(stream)->ptr_++)))
453 #define jas_stream_putc_macro(stream, c) \
454 ((!((stream)->flags_ & (JAS_STREAM_ERR | JAS_STREAM_EOF | \
455 JAS_STREAM_RWLIMIT))) ? \
456 (((stream)->rwlimit_ >= 0 && (stream)->rwcnt_ >= (stream)->rwlimit_) ? \
457 (stream->flags_ |= JAS_STREAM_RWLIMIT, EOF) : \
458 jas_stream_putc2(stream, c)) : EOF)
459 #define jas_stream_putc2(stream, c) \
460 (((stream)->bufmode_ |= JAS_STREAM_WRBUF, --(stream)->cnt_ < 0) ? \
461 jas_stream_flushbuf((stream), (jas_uchar)(c)) : \
462 (++(stream)->rwcnt_, (int)(*(stream)->ptr_++ = (c))))
466 JAS_DLLEXPORT
int jas_stream_fillbuf(jas_stream_t *stream,
int getflag);
467 JAS_DLLEXPORT
int jas_stream_flushbuf(jas_stream_t *stream,
int c);
468 JAS_DLLEXPORT
int jas_stream_getc_func(jas_stream_t *stream);
469 JAS_DLLEXPORT
int jas_stream_putc_func(jas_stream_t *stream,
int c);