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/* $Id$ */
/* Copyright (c) 1995 Oregon Graduate Institute of Science and Technology
* P.O.Box 91000-1000, Portland, OR 97291, USA;
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of O.G.I. not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. O.G.I. makes no representations about the
* suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* O.G.I. DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
* O.G.I. BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY
* DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
* AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: Shanwei Cen
* Department of Computer Science and Engineering
* email: scen@cse.ogi.edu
*/
/* data structure used by StatFile() */
#if !defined (_MPEG_FILE_IO_H)
#define _MPEG_FILE_IO_H
struct StatBuf
{
unsigned short mode;
long size;
char uid[32];
char gid[32];
char ctime[32];
};
/* protocol of functions defined in shared.c */
int StatFile(char *filename, struct StatBuf * sb);
/* Following read...()'s would exit(1) if requested bytes can not be
read, and EOF or error other than EINTR, EAGAIN or EWOULDBLOCK is
encountered */
void read_bytes(int s, char * buf, int size);
void read_byte(int sock, char * data);
void read_short(int sock, short * data);
void read_int(int sock, int * data);
int read_string(int sock, char *data, int maxlen); /* returns the length of a stream */
/* Following write...()'s would exit(1) if requested bytes can not
be written to socket because of error has happened*/
void write_bytes(int sock, char * data, int len);
void write_byte(int sock, char data);
void write_short(int sock, short data);
void write_int(int sock, int data);
void write_string(int sock, char *data);
/* following returns: 0 -- succ, -1 -- failed.
time_read*() will wait at most 5 seconds before they return */
int time_read_bytes(int s, char * buf, int size);
int time_read_int(int sock, int * data);
int time_write_bytes(int sock, char * data, int len);
int time_write_int(int sock, int data);
/* Following read...()'s would return 0/-1 if requested bytes can not
be read, and EOF (return 0) or error (return -1) other than EINTR,
EAGAIN or EWOULDBLOCK is encountered */
int wait_read_bytes(int s, char *buf, int size);
/* Following write...()'s would return 0/-1 if requested bytes can not
be written and error (return -1) other than EINTR, EAGAIN or is
encountered */
int wait_write_bytes(int s, char *buf, int size);
#endif /* _MPEG_FILE_IO_H */
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