78 #include <jasper/jas_config.h>
81 #if defined(JAS_HAVE_FCNTL_H)
85 #if defined(JAS_HAVE_UNISTD_H)
88 #include <jasper/jas_types.h>
108 #define JAS_STREAM_READ 0x0001
110 #define JAS_STREAM_WRITE 0x0002
112 #define JAS_STREAM_APPEND 0x0004
114 #define JAS_STREAM_BINARY 0x0008
116 #define JAS_STREAM_CREATE 0x0010
124 #define JAS_STREAM_UNBUF 0x0000
126 #define JAS_STREAM_LINEBUF 0x0001
128 #define JAS_STREAM_FULLBUF 0x0002
130 #define JAS_STREAM_BUFMODEMASK 0x000f
134 #define JAS_STREAM_FREEBUF 0x0008
136 #define JAS_STREAM_RDBUF 0x0010
138 #define JAS_STREAM_WRBUF 0x0020
145 #define JAS_STREAM_EOF 0x0001
147 #define JAS_STREAM_ERR 0x0002
149 #define JAS_STREAM_RWLIMIT 0x0004
151 #define JAS_STREAM_ERRMASK \
152 (JAS_STREAM_EOF | JAS_STREAM_ERR | JAS_STREAM_RWLIMIT)
159 #define JAS_STREAM_BUFSIZE 8192
161 #define JAS_STREAM_PERMS 0666
164 #define JAS_STREAM_MAXPUTBACK 16
174 typedef void jas_stream_obj_t;
183 int (*read_)(jas_stream_obj_t *obj,
char *buf,
int cnt);
186 int (*write_)(jas_stream_obj_t *obj,
char *buf,
int cnt);
189 long (*seek_)(jas_stream_obj_t *obj,
long offset,
int origin);
192 int (*close_)(jas_stream_obj_t *obj);
216 jas_uchar *bufstart_;
229 jas_uchar tinybuf_[JAS_STREAM_MAXPUTBACK + 1];
232 jas_stream_ops_t *ops_;
235 jas_stream_obj_t *obj_;
255 char pathname[L_tmpnam + 1];
256 } jas_stream_fileobj_t;
258 #define JAS_STREAM_FILEOBJ_DELONCLOSE 0x01
259 #define JAS_STREAM_FILEOBJ_NOCLOSE 0x02
285 } jas_stream_memobj_t;
292 JAS_DLLEXPORT jas_stream_t *jas_stream_fopen(
const char *filename,
const char *mode);
295 JAS_DLLEXPORT jas_stream_t *jas_stream_memopen(
char *buf,
int bufsize);
299 JAS_DLLEXPORT jas_stream_t *jas_stream_memopen2(
char *buf,
size_t bufsize);
302 JAS_DLLEXPORT jas_stream_t *jas_stream_fdopen(
int fd,
const char *mode);
305 JAS_DLLEXPORT jas_stream_t *jas_stream_freopen(
const char *path,
const char *mode, FILE *fp);
308 JAS_DLLEXPORT jas_stream_t *jas_stream_tmpfile(
void);
311 JAS_DLLEXPORT
int jas_stream_close(jas_stream_t *stream);
318 #define jas_stream_eof(stream) \
319 (((stream)->flags_ & JAS_STREAM_EOF) != 0)
322 #define jas_stream_error(stream) \
323 (((stream)->flags_ & JAS_STREAM_ERR) != 0)
326 #define jas_stream_clearerr(stream) \
327 ((stream)->flags_ &= ~(JAS_STREAM_ERR | JAS_STREAM_EOF))
330 #define jas_stream_getrwlimit(stream) \
331 (((const jas_stream_t *)(stream))->rwlimit_)
334 JAS_DLLEXPORT
int jas_stream_setrwlimit(jas_stream_t *stream,
long rwlimit);
337 #define jas_stream_getrwcount(stream) \
338 (((const jas_stream_t *)(stream))->rwcnt_)
341 JAS_DLLEXPORT
long jas_stream_setrwcount(jas_stream_t *stream,
long rwcnt);
349 #define jas_stream_getc(stream) jas_stream_getc_func(stream)
351 #define jas_stream_getc(stream) jas_stream_getc_macro(stream)
356 #define jas_stream_putc(stream, c) jas_stream_putc_func(stream, c)
358 #define jas_stream_putc(stream, c) jas_stream_putc_macro(stream, c)
362 JAS_DLLEXPORT
int jas_stream_read(jas_stream_t *stream,
void *buf,
int cnt);
365 JAS_DLLEXPORT
int jas_stream_write(jas_stream_t *stream,
const void *buf,
int cnt);
368 JAS_DLLEXPORT
int jas_stream_printf(jas_stream_t *stream,
const char *fmt, ...);
371 JAS_DLLEXPORT
int jas_stream_puts(jas_stream_t *stream,
const char *s);
374 JAS_DLLEXPORT
char *jas_stream_gets(jas_stream_t *stream,
char *buf,
int bufsize);
378 #define jas_stream_peekc(stream) \
379 (((stream)->cnt_ <= 0) ? jas_stream_fillbuf(stream, 0) : \
380 ((int)(*(stream)->ptr_)))
383 JAS_DLLEXPORT
int jas_stream_ungetc(jas_stream_t *stream,
int c);
390 JAS_DLLEXPORT
int jas_stream_isseekable(jas_stream_t *stream);
393 JAS_DLLEXPORT
long jas_stream_seek(jas_stream_t *stream,
long offset,
int origin);
396 JAS_DLLEXPORT
long jas_stream_tell(jas_stream_t *stream);
399 JAS_DLLEXPORT
int jas_stream_rewind(jas_stream_t *stream);
406 JAS_DLLEXPORT
int jas_stream_flush(jas_stream_t *stream);
413 JAS_DLLEXPORT
int jas_stream_copy(jas_stream_t *dst, jas_stream_t *src,
int n);
416 JAS_DLLEXPORT
int jas_stream_display(jas_stream_t *stream, FILE *fp,
int n);
419 JAS_DLLEXPORT
int jas_stream_gobble(jas_stream_t *stream,
int n);
422 JAS_DLLEXPORT
int jas_stream_pad(jas_stream_t *stream,
int n,
int c);
426 JAS_DLLEXPORT
long jas_stream_length(jas_stream_t *stream);
436 #define jas_stream_getc_macro(stream) \
437 ((!((stream)->flags_ & (JAS_STREAM_ERR | JAS_STREAM_EOF | \
438 JAS_STREAM_RWLIMIT))) ? \
439 (((stream)->rwlimit_ >= 0 && (stream)->rwcnt_ >= (stream)->rwlimit_) ? \
440 (stream->flags_ |= JAS_STREAM_RWLIMIT, EOF) : \
441 jas_stream_getc2(stream)) : EOF)
442 #define jas_stream_getc2(stream) \
443 ((--(stream)->cnt_ < 0) ? jas_stream_fillbuf(stream, 1) : \
444 (++(stream)->rwcnt_, (int)(*(stream)->ptr_++)))
447 #define jas_stream_putc_macro(stream, c) \
448 ((!((stream)->flags_ & (JAS_STREAM_ERR | JAS_STREAM_EOF | \
449 JAS_STREAM_RWLIMIT))) ? \
450 (((stream)->rwlimit_ >= 0 && (stream)->rwcnt_ >= (stream)->rwlimit_) ? \
451 (stream->flags_ |= JAS_STREAM_RWLIMIT, EOF) : \
452 jas_stream_putc2(stream, c)) : EOF)
453 #define jas_stream_putc2(stream, c) \
454 (((stream)->bufmode_ |= JAS_STREAM_WRBUF, --(stream)->cnt_ < 0) ? \
455 jas_stream_flushbuf((stream), (jas_uchar)(c)) : \
456 (++(stream)->rwcnt_, (int)(*(stream)->ptr_++ = (c))))
460 JAS_DLLEXPORT
int jas_stream_fillbuf(jas_stream_t *stream,
int getflag);
461 JAS_DLLEXPORT
int jas_stream_flushbuf(jas_stream_t *stream,
int c);
462 JAS_DLLEXPORT
int jas_stream_getc_func(jas_stream_t *stream);
463 JAS_DLLEXPORT
int jas_stream_putc_func(jas_stream_t *stream,
int c);