161 lines
3.8 KiB
C
161 lines
3.8 KiB
C
/* $Id: istream.h,v 1.12 2003/10/20 16:41:56 ukai Exp $ */
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#ifndef IO_STREAM_H
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#define IO_STREAM_H
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#include "indep.h"
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#include <stdio.h>
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#ifdef USE_SSL
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#include <openssl/bio.h>
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#include <openssl/x509.h>
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#include <openssl/ssl.h>
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#endif
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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struct stream_buffer {
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unsigned char *buf;
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int size, cur, next;
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};
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typedef struct stream_buffer *StreamBuffer;
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struct io_file_handle {
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FILE *f;
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void (*close) (FILE *);
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};
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#ifdef USE_SSL
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struct ssl_handle {
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SSL *ssl;
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int sock;
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};
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#endif
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union input_stream;
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struct ens_handle {
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union input_stream *is;
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struct growbuf gb;
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int pos;
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char encoding;
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};
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struct base_stream {
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struct stream_buffer stream;
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void *handle;
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char type;
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char iseos;
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int (*read) (void *, char *, int);
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void (*close) (void *);
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};
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struct file_stream {
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struct stream_buffer stream;
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struct io_file_handle *handle;
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char type;
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char iseos;
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int (*read) (void *, char *, int);
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void (*close) (void *);
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};
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struct str_stream {
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struct stream_buffer stream;
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Str handle;
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char type;
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char iseos;
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int (*read) (void *, char *, int);
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void (*close) (void *);
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};
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#ifdef USE_SSL
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struct ssl_stream {
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struct stream_buffer stream;
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struct ssl_handle *handle;
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char type;
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char iseos;
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int (*read) (void *, char *, int);
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void (*close) (void *);
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};
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#endif /* USE_SSL */
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struct encoded_stream {
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struct stream_buffer stream;
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struct ens_handle *handle;
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char type;
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char iseos;
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int (*read) (void *, char *, int);
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void (*close) (void *);
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};
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union input_stream {
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struct base_stream base;
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struct file_stream file;
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struct str_stream str;
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#ifdef USE_SSL
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struct ssl_stream ssl;
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#endif /* USE_SSL */
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struct encoded_stream ens;
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};
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typedef struct base_stream *BaseStream;
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typedef struct file_stream *FileStream;
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typedef struct str_stream *StrStream;
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#ifdef USE_SSL
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typedef struct ssl_stream *SSLStream;
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#endif /* USE_SSL */
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typedef struct encoded_stream *EncodedStrStream;
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typedef union input_stream *InputStream;
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extern InputStream newInputStream(int des);
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extern InputStream newFileStream(FILE * f, void (*closep) ());
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extern InputStream newStrStream(Str s);
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#ifdef USE_SSL
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extern InputStream newSSLStream(SSL * ssl, int sock);
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#endif
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extern InputStream newEncodedStream(InputStream is, char encoding);
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extern int ISclose(InputStream stream);
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extern int ISgetc(InputStream stream);
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extern int ISundogetc(InputStream stream);
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extern Str StrISgets2(InputStream stream, char crnl);
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#define StrISgets(stream) StrISgets2(stream, FALSE)
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#define StrmyISgets(stream) StrISgets2(stream, TRUE)
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void ISgets_to_growbuf(InputStream stream, struct growbuf *gb, char crnl);
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#ifdef unused
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extern int ISread(InputStream stream, Str buf, int count);
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#endif
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int ISread_n(InputStream stream, char *dst, int bufsize);
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extern int ISfileno(InputStream stream);
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extern int ISeos(InputStream stream);
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#ifdef USE_SSL
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extern void ssl_accept_this_site(char *hostname);
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extern Str ssl_get_certificate(SSL * ssl, char *hostname);
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#endif
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#define IST_BASIC 0
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#define IST_FILE 1
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#define IST_STR 2
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#define IST_SSL 3
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#define IST_ENCODED 4
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#define IST_UNCLOSE 0x10
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#define IStype(stream) ((stream)->base.type)
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#define is_eos(stream) ISeos(stream)
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#define iseos(stream) ((stream)->base.iseos)
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#define file_of(stream) ((stream)->file.handle->f)
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#define set_close(stream,closep) ((IStype(stream)==IST_FILE)?((stream)->file.handle->close=(closep)):0)
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#define str_of(stream) ((stream)->str.handle)
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#ifdef USE_SSL
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#define ssl_socket_of(stream) ((stream)->ssl.handle->sock)
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#define ssl_of(stream) ((stream)->ssl.handle->ssl)
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#endif
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#ifdef USE_BINMODE_STREAM
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#define openIS(path) newInputStream(open((path),O_RDONLY|O_BINARY))
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#else
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#define openIS(path) newInputStream(open((path),O_RDONLY))
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#endif /* USE_BINMODE_STREAM */
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#endif
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