77#include <jasper/jas_config.h>  
   80#if defined(JAS_HAVE_FCNTL_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 
  123#define JAS_STREAM_UNBUF        0x0000 
  125#define JAS_STREAM_LINEBUF      0x0001 
  127#define JAS_STREAM_FULLBUF      0x0002 
  129#define JAS_STREAM_BUFMODEMASK  0x000f 
  133#define JAS_STREAM_FREEBUF      0x0008 
  135#define JAS_STREAM_RDBUF        0x0010 
  137#define JAS_STREAM_WRBUF        0x0020 
  144#define JAS_STREAM_EOF  0x0001 
  146#define JAS_STREAM_ERR  0x0002 
  148#define JAS_STREAM_RWLIMIT      0x0004 
  150#define JAS_STREAM_ERRMASK \ 
  151        (JAS_STREAM_EOF | JAS_STREAM_ERR | JAS_STREAM_RWLIMIT) 
  158#define JAS_STREAM_BUFSIZE      8192 
  160#define JAS_STREAM_PERMS        0666 
  163#define JAS_STREAM_MAXPUTBACK   16 
  173typedef void jas_stream_obj_t;
 
  182        ssize_t (*read_)(jas_stream_obj_t *obj, 
char *buf, 
size_t cnt);
 
  185        ssize_t (*write_)(jas_stream_obj_t *obj, 
const char *buf, 
size_t cnt);
 
  188        long (*seek_)(jas_stream_obj_t *obj, 
long offset, 
int origin);
 
  191        int (*close_)(jas_stream_obj_t *obj);
 
  222        jas_uchar *bufstart_;
 
  235        jas_uchar tinybuf_[JAS_STREAM_MAXPUTBACK + 1];
 
  238        const jas_stream_ops_t *ops_;
 
  241        jas_stream_obj_t *obj_;
 
 
  261#if defined(JAS_WASI_LIBC) 
  264        char pathname[L_tmpnam + 1];
 
  265} jas_stream_fileobj_t;
 
  268#define JAS_STREAM_FILEOBJ_DELONCLOSE   0x01 
  270#define JAS_STREAM_FILEOBJ_NOCLOSE      0x02 
  296} jas_stream_memobj_t;
 
  452#define jas_stream_eof(stream) \ 
  453        (((stream)->flags_ & JAS_STREAM_EOF) != 0) 
 
  466#define jas_stream_error(stream) \ 
  467        (((stream)->flags_ & JAS_STREAM_ERR) != 0) 
 
  478#define jas_stream_clearerr(stream) \ 
  479        ((stream)->flags_ &= ~(JAS_STREAM_ERR | JAS_STREAM_EOF)) 
 
  491#define jas_stream_getrwlimit(stream) \ 
  492        (((const jas_stream_t *)(stream))->rwlimit_) 
 
  521#define jas_stream_getrwcount(stream) \ 
  522        (((const jas_stream_t *)(stream))->rwcnt_) 
 
  557#define jas_stream_getc(stream) jas_stream_getc_func(stream) 
  559#define jas_stream_getc(stream) jas_stream_getc_macro(stream) 
  578#define jas_stream_putc(stream, c)      jas_stream_putc_func(stream, c) 
  580#define jas_stream_putc(stream, c)      jas_stream_putc_macro(stream, c) 
  773#define jas_stream_peekc(stream) \ 
  774        (((stream)->cnt_ <= 0) ? jas_stream_fillbuf(stream, 0) : \ 
  775          ((int)(*(stream)->ptr_))) 
 
 1048JAS_EXPORT 
int jas_stream_fillbuf(
jas_stream_t *stream, 
int getflag);
 
 1049JAS_EXPORT 
int jas_stream_flushbuf(
jas_stream_t *stream, 
int c);
 
 1050JAS_EXPORT 
int jas_stream_getc_func(
jas_stream_t *stream);
 
 1051JAS_EXPORT 
int jas_stream_putc_func(
jas_stream_t *stream, 
int c);
 
 1054static inline int jas_stream_getc2(
jas_stream_t *stream)
 
 1056        if (--stream->cnt_ < 0)
 
 1057                return jas_stream_fillbuf(stream, 1);
 
 1060        return (
int)(*stream->ptr_++);
 
 1063static inline int jas_stream_getc_macro(
jas_stream_t *stream)
 
 1065        if (stream->flags_ & (JAS_STREAM_ERR | JAS_STREAM_EOF | JAS_STREAM_RWLIMIT))
 
 1068        if (stream->rwlimit_ >= 0 && stream->rwcnt_ >= stream->rwlimit_) {
 
 1069                stream->flags_ |= JAS_STREAM_RWLIMIT;
 
 1073        return jas_stream_getc2(stream);
 
 1077static inline int jas_stream_putc2(
jas_stream_t *stream, jas_uchar c)
 
 1079        stream->bufmode_ |= JAS_STREAM_WRBUF;
 
 1081        if (--stream->cnt_ < 0)
 
 1082                return jas_stream_flushbuf(stream, c);
 
 1085                return (
int)(*stream->ptr_++ = c);
 
 1089static inline int jas_stream_putc_macro(
jas_stream_t *stream, jas_uchar c)
 
 1091        if (stream->flags_ & (JAS_STREAM_ERR | JAS_STREAM_EOF | JAS_STREAM_RWLIMIT))
 
 1094        if (stream->rwlimit_ >= 0 && stream->rwcnt_ >= stream->rwlimit_) {
 
 1095                stream->flags_ |= JAS_STREAM_RWLIMIT;
 
 1099        return jas_stream_putc2(stream, c);
 
JAS_EXPORT jas_stream_t * jas_stream_tmpfile(void)
Open a temporary file as a stream.
Definition jas_stream.c:473
JAS_EXPORT int jas_stream_display(jas_stream_t *stream, FILE *fp, int count)
Print a hex dump of data read from a stream.
Definition jas_stream.c:1148
JAS_EXPORT long jas_stream_setrwlimit(jas_stream_t *stream, long rwlimit)
Set the read/write limit for a stream.
Definition jas_stream.c:1138
JAS_DEPRECATED JAS_EXPORT jas_stream_t * jas_stream_memopen2(char *buffer, size_t buffer_size)
Do not use.
Definition jas_stream.c:277
JAS_EXPORT unsigned jas_stream_peek(jas_stream_t *stream, void *buffer, size_t count)
Attempt to retrieve one or more pending characters of input from a stream into a buffer without actua...
Definition jas_stream.c:706
JAS_EXPORT jas_stream_t * jas_stream_fopen(const char *filename, const char *mode)
Open a file as a stream.
Definition jas_stream.c:283
JAS_EXPORT long jas_stream_tell(jas_stream_t *stream)
Get the current position within the stream.
Definition jas_stream.c:901
JAS_EXPORT ssize_t jas_stream_gobble(jas_stream_t *stream, size_t count)
Consume (i.e., discard) characters from stream.
Definition jas_stream.c:819
JAS_EXPORT ssize_t jas_stream_pad(jas_stream_t *stream, size_t count, int value)
Write a fill character multiple times to a stream.
Definition jas_stream.c:831
JAS_EXPORT int jas_stream_printf(jas_stream_t *stream, const char *format,...)
Write formatted output to a stream.
Definition jas_stream.c:770
JAS_EXPORT int jas_stream_puts(jas_stream_t *stream, const char *s)
Write a string to a stream.
Definition jas_stream.c:783
JAS_EXPORT char * jas_stream_gets(jas_stream_t *stream, char *buffer, int buffer_size)
Read a line of input from a stream.
Definition jas_stream.c:796
JAS_EXPORT int jas_stream_ungetc(jas_stream_t *stream, int c)
Put a character back on a stream.
Definition jas_stream.c:635
JAS_EXPORT int jas_stream_flush(jas_stream_t *stream)
Flush any pending output to a stream.
Definition jas_stream.c:976
JAS_EXPORT long jas_stream_seek(jas_stream_t *stream, long offset, int origin)
Set the current position within the stream.
Definition jas_stream.c:867
JAS_EXPORT jas_stream_t * jas_stream_memopen(char *buffer, size_t buffer_size)
Open a memory buffer as a stream.
Definition jas_stream.c:203
JAS_EXPORT int jas_stream_close(jas_stream_t *stream)
Close a stream.
Definition jas_stream.c:593
JAS_EXPORT size_t jas_stream_write(jas_stream_t *stream, const void *buffer, size_t count)
Write characters from a buffer to a stream.
Definition jas_stream.c:722
JAS_EXPORT JAS_ATTRIBUTE_PURE int jas_stream_isseekable(jas_stream_t *stream)
Determine if stream supports seeking.
Definition jas_stream.c:847
JAS_EXPORT jas_stream_t * jas_stream_fdopen(int fd, const char *mode)
Open a file descriptor as a stream.
Definition jas_stream.c:523
JAS_EXPORT int jas_stream_copy(jas_stream_t *destination, jas_stream_t *source, ssize_t count)
Copy data from one stream to another.
Definition jas_stream.c:1103
JAS_EXPORT long jas_stream_length(jas_stream_t *stream)
Get the size of the file associated with the specified stream.
Definition jas_stream.c:1198
JAS_EXPORT int jas_stream_rewind(jas_stream_t *stream)
Seek to the beginning of a stream.
Definition jas_stream.c:861
JAS_EXPORT size_t jas_stream_read(jas_stream_t *stream, void *buffer, size_t count)
Read characters from a stream into a buffer.
Definition jas_stream.c:652
JAS_EXPORT jas_stream_t * jas_stream_freopen(const char *path, const char *mode, FILE *fp)
Open a stdio (i.e., C standard library) stream as a stream.
Definition jas_stream.c:350
JAS_EXPORT long jas_stream_setrwcount(jas_stream_t *stream, long rw_count)
Set the read/write count for a stream.
Definition jas_stream.c:1128
I/O stream object.
Definition jas_stream.h:206