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|
/* osk.c */
/* ------------------------------------------------------------------- *
|
| OS9Lib: stat(), fstat()
|
|
| Copyright (c) 1988 by Wolfgang Ocker, Puchheim,
| Ulli Dessauer, Germering and
| Reimer Mellin, Muenchen
| (W-Germany)
|
| This programm can be copied and distributed freely for any
| non-commercial purposes. It can only be incorporated into
| commercial software with the written permission of the authors.
|
| If you should modify this program, the authors would appreciate
| a notice about the changes. Please send a (context) diff or the
| complete source to:
|
| address: Wolfgang Ocker
| Lochhauserstrasse 35a
| D-8039 Puchheim
| West Germany
|
| e-mail: weo@altger.UUCP, ud@altger.UUCP, ram@altger.UUCP
| pyramid!tmpmbx!recco!weo
| pyramid!tmpmbx!nitmar!ud
| pyramid!tmpmbx!ramsys!ram
|
* ----------------------------------------------------------------- */
#ifdef OSK
#define PATCHLEVEL 1
#ifndef VIREC
#include <stdio.h>
#include "osk.h"
#include <modes.h>
#include <errno.h>
#endif
#include <signal.h>
#include <sgstat.h>
#include <sg_codes.h>
#include <direct.h>
/*
* f s t a t
*/
int fstat(fd, buff)
int fd;
struct stat *buff;
{
struct fildes ftmp;
struct tm ttmp;
struct _sgr fopt;
if (_gs_gfd(fd, &ftmp, 16) < 0) /* 16 insteat of sizeof(struct fildes) */
return(-1); /* used due to a bug in stupid os9net */
if (_gs_opt(fd, &fopt) < 0)
return(-1);
ttmp.tm_year = (int) ftmp.fd_date[0];
ttmp.tm_mon = (int) ftmp.fd_date[1] - 1;
ttmp.tm_mday = (int) ftmp.fd_date[2];
ttmp.tm_hour = (int) ftmp.fd_date[3];
ttmp.tm_min = (int) ftmp.fd_date[4];
ttmp.tm_sec = 0;
ttmp.tm_isdst = -1;
buff->st_atime = buff->st_mtime = mktime(&ttmp);
ttmp.tm_year = (int) ftmp.fd_dcr[0];
ttmp.tm_mon = (int) ftmp.fd_dcr[1] - 1;
ttmp.tm_mday = (int) ftmp.fd_dcr[2];
ttmp.tm_hour = ttmp.tm_min = ttmp.tm_sec = 0;
ttmp.tm_isdst = -1;
buff->st_ctime = mktime(&ttmp);
memcpy(&(buff->st_size), ftmp.fd_fsize, sizeof(long)); /* misalignment! */
buff->st_uid = ftmp.fd_own[1];
buff->st_gid = ftmp.fd_own[0];
buff->st_mode = ftmp.fd_att;
buff->st_nlink = ftmp.fd_link;
buff->st_ino = fopt._sgr_fdpsn;
buff->st_dev = fopt._sgr_dvt;
return(0);
}
/*
* s t a t
*/
int stat(filename, buff)
char *filename;
struct stat *buff;
{
register int i, ret;
if ((i = open(filename, S_IREAD)) < 0)
if ((i = open(filename, S_IFDIR | S_IREAD)) < 0)
return(-1);
ret = fstat(i, buff);
close(i);
return(ret);
}
/*
unix library functions mist in OSK
Author: Peter Reinig
*/
/* NOTE: this version of link() is only capable of renaming files, not true
* UNIX-style linking. That's okay, though, because elvis only uses it for
* renaming.
*/
link(from,to)
char *from,*to;
{
char *buffer;
int status;
char *malloc();
if ((buffer = malloc(strlen(from) + strlen(to) + 12)) == NULL)
return -1;
sprintf(buffer,"rename %s %s\n",from,to);
status = system(buffer);
free(buffer);
return status;
}
typedef (*procref)();
#define MAX_SIGNAL 10
extern exit();
static int (*sig_table[MAX_SIGNAL])();
static int _sig_install = 0;
sig_handler(sig)
int sig;
{
if ((int) sig_table[sig] > MAX_SIGNAL)
sig_table[sig](sig);
}
procref signal(sig,func)
int sig;
int (*func)();
{
int i, (*sav)();
if (!_sig_install) {
for (i=0; i < MAX_SIGNAL; i++)
sig_table[i] = exit;
_sig_install = 1;
intercept(sig_handler);
}
sav = sig_table[sig];
switch ((int) func) {
case SIG_DFL : sig_table[sig] = exit;
break;
case SIG_IGN : sig_table[sig] = 0;
break;
default : sig_table[sig] = func;
break;
}
return sav;
}
perror(str)
char *str;
{
static int path = 0;
if (!path && (path = open("/dd/sys/Errmsg", S_IREAD)) == -1) {
fprintf(stderr,"Can\'t open error message file\n");
path = 0;
}
if (str && *str) {
fprintf(stderr,"%s: ",str);
fflush(stderr);
}
prerr(path,(short) errno);
}
isatty(fd)
int fd;
{
struct sgbuf buffer;
char type;
_gs_opt(fd,&buffer);
type = buffer.sg_class;
if (type == DT_SCF)
return 1;
else
return 0;
}
#endif /* OSK */
|
