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);