78 #include <jasper/jas_config.h>
82 #if defined(JAS_HAVE_FCNTL_H)
86 #if defined(JAS_HAVE_UNISTD_H)
89 #include <jasper/jas_types.h>
105 #define JAS_PATH_MAX PATH_MAX
107 #define JAS_PATH_MAX 4096
115 #define JAS_STREAM_READ 0x0001
117 #define JAS_STREAM_WRITE 0x0002
119 #define JAS_STREAM_APPEND 0x0004
121 #define JAS_STREAM_BINARY 0x0008
123 #define JAS_STREAM_CREATE 0x0010
131 #define JAS_STREAM_UNBUF 0x0000
133 #define JAS_STREAM_LINEBUF 0x0001
135 #define JAS_STREAM_FULLBUF 0x0002
137 #define JAS_STREAM_BUFMODEMASK 0x000f
141 #define JAS_STREAM_FREEBUF 0x0008
143 #define JAS_STREAM_RDBUF 0x0010
145 #define JAS_STREAM_WRBUF 0x0020
152 #define JAS_STREAM_EOF 0x0001
154 #define JAS_STREAM_ERR 0x0002
156 #define JAS_STREAM_RWLIMIT 0x0004
158 #define JAS_STREAM_ERRMASK \
159 (JAS_STREAM_EOF | JAS_STREAM_ERR | JAS_STREAM_RWLIMIT)
166 #define JAS_STREAM_BUFSIZE 8192
168 #define JAS_STREAM_PERMS 0666
171 #define JAS_STREAM_MAXPUTBACK 16
181 typedef void jas_stream_obj_t;
190 int (*read_)(jas_stream_obj_t *obj,
char *buf,
int cnt);
193 int (*write_)(jas_stream_obj_t *obj,
char *buf,
int cnt);
196 long (*seek_)(jas_stream_obj_t *obj,
long offset,
int origin);
199 int (*close_)(jas_stream_obj_t *obj);
223 jas_uchar *bufstart_;
236 jas_uchar tinybuf_[JAS_STREAM_MAXPUTBACK + 1];
239 jas_stream_ops_t *ops_;
242 jas_stream_obj_t *obj_;
262 char pathname[JAS_PATH_MAX + 1];
263 } jas_stream_fileobj_t;
265 #define JAS_STREAM_FILEOBJ_DELONCLOSE 0x01
266 #define JAS_STREAM_FILEOBJ_NOCLOSE 0x02
292 } jas_stream_memobj_t;
299 JAS_DLLEXPORT jas_stream_t *jas_stream_fopen(
const char *filename,
const char *mode);
302 JAS_DLLEXPORT jas_stream_t *jas_stream_memopen(
char *buf,
int bufsize);
306 JAS_DLLEXPORT jas_stream_t *jas_stream_memopen2(
char *buf,
size_t bufsize);
309 JAS_DLLEXPORT jas_stream_t *jas_stream_fdopen(
int fd,
const char *mode);
312 JAS_DLLEXPORT jas_stream_t *jas_stream_freopen(
const char *path,
const char *mode, FILE *fp);
315 JAS_DLLEXPORT jas_stream_t *jas_stream_tmpfile(
void);
318 JAS_DLLEXPORT
int jas_stream_close(jas_stream_t *stream);
325 #define jas_stream_eof(stream) \
326 (((stream)->flags_ & JAS_STREAM_EOF) != 0)
329 #define jas_stream_error(stream) \
330 (((stream)->flags_ & JAS_STREAM_ERR) != 0)
333 #define jas_stream_clearerr(stream) \
334 ((stream)->flags_ &= ~(JAS_STREAM_ERR | JAS_STREAM_EOF))
337 #define jas_stream_getrwlimit(stream) \
338 (((const jas_stream_t *)(stream))->rwlimit_)
341 JAS_DLLEXPORT
int jas_stream_setrwlimit(jas_stream_t *stream,
long rwlimit);
344 #define jas_stream_getrwcount(stream) \
345 (((const jas_stream_t *)(stream))->rwcnt_)
348 JAS_DLLEXPORT
long jas_stream_setrwcount(jas_stream_t *stream,
long rwcnt);
356 #define jas_stream_getc(stream) jas_stream_getc_func(stream)
358 #define jas_stream_getc(stream) jas_stream_getc_macro(stream)
363 #define jas_stream_putc(stream, c) jas_stream_putc_func(stream, c)
365 #define jas_stream_putc(stream, c) jas_stream_putc_macro(stream, c)
369 JAS_DLLEXPORT
int jas_stream_read(jas_stream_t *stream,
void *buf,
int cnt);
372 JAS_DLLEXPORT
int jas_stream_write(jas_stream_t *stream,
const void *buf,
int cnt);
375 JAS_DLLEXPORT
int jas_stream_printf(jas_stream_t *stream,
const char *fmt, ...);
378 JAS_DLLEXPORT
int jas_stream_puts(jas_stream_t *stream,
const char *s);
381 JAS_DLLEXPORT
char *jas_stream_gets(jas_stream_t *stream,
char *buf,
int bufsize);
385 #define jas_stream_peekc(stream) \
386 (((stream)->cnt_ <= 0) ? jas_stream_fillbuf(stream, 0) : \
387 ((int)(*(stream)->ptr_)))
390 JAS_DLLEXPORT
int jas_stream_ungetc(jas_stream_t *stream,
int c);
397 JAS_DLLEXPORT
int jas_stream_isseekable(jas_stream_t *stream);
400 JAS_DLLEXPORT
long jas_stream_seek(jas_stream_t *stream,
long offset,
int origin);
403 JAS_DLLEXPORT
long jas_stream_tell(jas_stream_t *stream);
406 JAS_DLLEXPORT
int jas_stream_rewind(jas_stream_t *stream);
413 JAS_DLLEXPORT
int jas_stream_flush(jas_stream_t *stream);
420 JAS_DLLEXPORT
int jas_stream_copy(jas_stream_t *dst, jas_stream_t *src,
int n);
423 JAS_DLLEXPORT
int jas_stream_display(jas_stream_t *stream, FILE *fp,
int n);
426 JAS_DLLEXPORT
int jas_stream_gobble(jas_stream_t *stream,
int n);
429 JAS_DLLEXPORT
int jas_stream_pad(jas_stream_t *stream,
int n,
int c);
433 JAS_DLLEXPORT
long jas_stream_length(jas_stream_t *stream);
443 #define jas_stream_getc_macro(stream) \
444 ((!((stream)->flags_ & (JAS_STREAM_ERR | JAS_STREAM_EOF | \
445 JAS_STREAM_RWLIMIT))) ? \
446 (((stream)->rwlimit_ >= 0 && (stream)->rwcnt_ >= (stream)->rwlimit_) ? \
447 (stream->flags_ |= JAS_STREAM_RWLIMIT, EOF) : \
448 jas_stream_getc2(stream)) : EOF)
449 #define jas_stream_getc2(stream) \
450 ((--(stream)->cnt_ < 0) ? jas_stream_fillbuf(stream, 1) : \
451 (++(stream)->rwcnt_, (int)(*(stream)->ptr_++)))
454 #define jas_stream_putc_macro(stream, c) \
455 ((!((stream)->flags_ & (JAS_STREAM_ERR | JAS_STREAM_EOF | \
456 JAS_STREAM_RWLIMIT))) ? \
457 (((stream)->rwlimit_ >= 0 && (stream)->rwcnt_ >= (stream)->rwlimit_) ? \
458 (stream->flags_ |= JAS_STREAM_RWLIMIT, EOF) : \
459 jas_stream_putc2(stream, c)) : EOF)
460 #define jas_stream_putc2(stream, c) \
461 (((stream)->bufmode_ |= JAS_STREAM_WRBUF, --(stream)->cnt_ < 0) ? \
462 jas_stream_flushbuf((stream), (jas_uchar)(c)) : \
463 (++(stream)->rwcnt_, (int)(*(stream)->ptr_++ = (c))))
467 JAS_DLLEXPORT
int jas_stream_fillbuf(jas_stream_t *stream,
int getflag);
468 JAS_DLLEXPORT
int jas_stream_flushbuf(jas_stream_t *stream,
int c);
469 JAS_DLLEXPORT
int jas_stream_getc_func(jas_stream_t *stream);
470 JAS_DLLEXPORT
int jas_stream_putc_func(jas_stream_t *stream,
int c);