ack/modules/src/system/system.h
2019-03-17 22:46:31 +08:00

85 lines
1.9 KiB
C

/*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*/
/* RCS: $Id$ */
#ifndef __SYSTEM_INCLUDED__
#define __SYSTEM_INCLUDED__
#include <stdlib.h>
#include <stdio.h>
#include <sys/types.h>
struct _sys_fildes {
int o_fd; /* UNIX filedescriptor */
int o_flags; /* flags for open; 0 if not used */
};
typedef struct _sys_fildes File;
extern File _sys_ftab[];
/* flags for sys_open() */
#define OP_READ 01
#define OP_WRITE 02
#define OP_APPEND 04
/* flags for sys_access() */
#define AC_EXIST 00
#define AC_READ 04
#define AC_WRITE 02
#define AC_EXEC 01
/* flags for sys_stop() */
#define S_END 0
#define S_EXIT 1
#define S_ABORT 2
int sys_open(char *, int, File **);
void sys_close(File *);
int sys_read(File *, char *, int, int *);
int sys_write(File *, char *, int);
int sys_seek(File *, long, int, long *);
int sys_reset(File *);
int sys_access(char *, int);
int sys_remove(char *);
int sys_rename(char *, char *);
off_t sys_filesize(char *);
int sys_chmode(char *, int);
/* Return the temporary directory location */
char* sys_gettmpdir(void);
#if 0
int sys_lock(char *);
int sys_unlock(char *);
#endif
char *sys_break(int);
void sys_stop(int);
time_t sys_modtime(char *);
/* standard file decsriptors */
#define STDIN &_sys_ftab[0]
#define STDOUT &_sys_ftab[1]
#define STDERR &_sys_ftab[2]
/* maximum number of open files */
#define SYS_NOPEN 20
/* return value for sys_break */
#define ILL_BREAK ((char *)0)
/* Extract the base name from a full path specification
* in "str" and returns it in "dst".
*
* "dst" should be large enough to receive the copied
* data.
*
* Supports both DOS and UNIX style paths.
* */
void sys_basename(const char *str, register char *dst);
/* Creates a temporary filename. This has
* the same semantics as ISO C90 tmpnam() */
char* sys_tmpnam(char *buffer);
#endif /* __SYSTEM_INCLUDED__ */