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/*
* $Header: /cvsroot/arc/arc/arcdos.c,v 1.3 2003/10/31 02:32:19 highlandsun Exp $
*/
/*
* ARC - Archive utility - ARCDOS
*
* Version 1.44, created on 07/25/86 at 14:17:38
*
* (C) COPYRIGHT 1985 by System Enhancement Associates; ALL RIGHTS RESERVED
*
* By: Thom Henderson
*
* Description: This file contains certain DOS level routines that assist in
* doing fancy things with an archive, primarily reading and setting the date
* and time last modified.
*
* These are, by nature, system dependant functions. But they are also, by
* nature, very expendable.
*
* Language: Computer Innovations Optimizing C86
*/
#include <stdio.h>
#include "arc.h"
#if MSDOS
#include "fileio2.h" /* needed for filehand */
#endif
#if UNIX
#include <sys/types.h>
#include <sys/stat.h>
#if BSD
#include <sys/time.h>
#else
#include <time.h> /* Sys V. Bleah. */
#if NEED_TIMEVAL
struct timeval {
long tv_sec;
long tv_usec;
};
#endif
#endif /* BSD vs SYSV */
#endif
#if GEMDOS
#include <osbind.h>
#endif
#include <string.h>
#ifndef __STDC__
char *malloc();
#endif
VOID
getstamp(f, date, time) /* get a file's date/time stamp */
#if !_MTS
FILE *f; /* file to get stamp from */
#else
char *f; /* filename "" "" */
#endif
unsigned short *date, *time; /* storage for the stamp */
{
#if MSDOS
struct {
int ax, bx, cx, dx, si, di, ds, es;
} reg;
reg.ax = 0x5700; /* get date/time */
reg.bx = filehand(f); /* file handle */
if (sysint21(®, ®) & 1) /* DOS call */
printf("Get timestamp fail (%d)\n", reg.ax);
*date = reg.dx; /* save date/time */
*time = reg.cx;
#endif
#if GEMDOS
int fd, ret[2];
fd = fileno(f);
Fdatime(ret, fd, 0);
*date = ret[1];
*time = ret[0];
#endif
#if UNIX
struct stat buf;
struct tm *localtime(), *t;
fstat(fileno(f), &buf);
t=localtime(&(buf.st_mtime));
*date = (unsigned short) (((t->tm_year - 80) << 9) +
((t->tm_mon + 1) << 5) + t->tm_mday);
*time = (unsigned short) ((t->tm_hour << 11) +
(t->tm_min << 5) + t->tm_sec / 2);
#endif
#if _MTS
fortran timein(),
#if USEGFINFO
gfinfo();
#else
fileinfo();
#endif
int stclk[2];
char name[24];
struct bigtime {
int greg;
int year;
int mon;
int day;
int hour;
int min;
int sec;
int usec;
int week;
int toff;
int tzn1;
int tzn2;
} tvec;
#if USEGFINFO
static int gfflag = 0x0009, gfdummy[2] = {
0, 0
};
int gfcinfo[18];
#else
static int cattype = 2;
#endif
strcpy(name, f);
strcat(name, " ");
#if USEGFINFO
gfcinfo[0] = 18;
gfinfo(name, name, &gfflag, gfcinfo, gfdummy, gfdummy);
timein("*IBM MICROSECONDS*", &gfcinfo[16], &tvec);
#else
fileinfo(name, &cattype, "CILCCT ", stclk);
timein("*IBM MICROSECONDS*", stclk, &tvec);
#endif
*date = (unsigned short) (((tvec.year - 1980) << 9) + ((tvec.mon) << 5) + tvec.day);
*time = (unsigned short) ((tvec.hour << 11) + (tvec.min << 5) + tvec.sec / 2);
#endif
}
VOID
setstamp(f, date, time) /* set a file's date/time stamp */
char *f; /* filename to stamp */
unsigned short date, time; /* desired date, time */
{
#if MSDOS
FILE *ff;
struct {
int ax, bx, cx, dx, si, di, ds, es;
} reg;
ff = fopen(f, "w+"); /* How else can I get a handle? */
reg.ax = 0x5701; /* set date/time */
reg.bx = filehand(f); /* file handle */
reg.cx = time; /* desired time */
reg.dx = date; /* desired date */
if (sysint21(®, ®) & 1) /* DOS call */
printf("Set timestamp fail (%d)\n", reg.ax);
fclose(ff);
#endif
#if GEMDOS
int fd, set[2];
fd = Fopen(f, 0);
set[0] = time;
set[1] = date;
Fdatime(set, fd, 1);
Fclose(fd);
#endif
#if UNIX
struct tm tm;
struct timeval tvp[2];
int utimes();
long tmclock();
tm.tm_sec = (time & 31) * 2;
tm.tm_min = (time >> 5) & 63;
tm.tm_hour = (time >> 11);
tm.tm_mday = date & 31;
tm.tm_mon = ((date >> 5) & 15) - 1;
tm.tm_year = (date >> 9) + 80;
tvp[0].tv_sec = tmclock(&tm);
tvp[1].tv_sec = tvp[0].tv_sec;
tvp[0].tv_usec = tvp[1].tv_usec = 0;
utimes(f, tvp);
#endif
}
#if MSDOS
int
filehand(stream) /* find handle on a file */
struct bufstr *stream; /* file to grab onto */
{
return stream->bufhand; /* return DOS 2.0 file handle */
}
#endif
#if UNIX
int
izadir(filename) /* Is filename a directory? */
char *filename;
{
struct stat buf;
if (stat(filename, &buf) != 0)
return (0); /* Ignore if stat fails since */
else
return (buf.st_mode & S_IFDIR); /* bad files trapped later */
}
#endif
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