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384 lines
9.4 KiB
384 lines
9.4 KiB
/***
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*utime.c - set modification time for a file
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*
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* Copyright (c) 1985-1995, Microsoft Corporation. All rights reserved.
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*
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*Purpose:
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* Sets the access/modification times for a file.
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*
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*Revision History:
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* 03-??-84 RLB initial version
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* 05-17-86 SKS ported to OS/2
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* 08-21-87 JCR error return if localtime() returns NULL.
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* 12-11-87 JCR Added "_LOAD_DS" to declaration
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* 10-03-88 JCR 386: Change DOS calls to SYS calls
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* 10-04-88 JCR 386: Removed 'far' keyword
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* 10-10-88 GJF Made API names match DOSCALLS.H
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* 10-11-88 GJF Made API arg types match DOSCALLS.H
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* 04-12-89 JCR New syscall interface
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* 05-01-89 JCR Corrected OS/2 time/date interpretation
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* 05-25-89 JCR 386 OS/2 calls use '_syscall' calling convention
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* 08-16-89 PHG moved date validation above open() so file isn't left
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* open if the date is invalid
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* 03-20-90 GJF Replaced _LOAD_DS with _CALLTYPE1, added #include
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* <cruntime.h>, removed #include <register.h>, removed
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* some leftover 16-bit support and fixed the copyright.
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* Also, cleaned up the formatting a bit.
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* 07-25-90 SBM Compiles cleanly with -W3 (added include, removed
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* unreferenced variable), removed '32' from API names
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* 10-04-90 GJF New-style function declarator.
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* 12-04-90 SRW Changed to include <oscalls.h> instead of <doscalls.h>
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* 12-06-90 SRW Added _CRUISER_ and _WIN32 conditionals.
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* 01-18-91 GJF ANSI naming.
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* 02-14-91 SRW Fix Mips compile error (_WIN32_)
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* 02-26-91 SRW Fix SetFileTime parameter ordering (_WIN32_)
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* 08-21-91 BWM Add _futime to set time on open file
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* 08-26-91 BWM Change _utime to call _futime
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* 05-19-92 DJM ifndef for POSIX build.
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* 08-18-92 SKS SystemTimeToFileTime now takes UTC/GMT, not local time.
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* Remove _CRUISER_ conditional
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* 04-02-93 GJF Changed interpretation of error on SetFileTime call.
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* 04-06-93 SKS Replace _CRTAPI* with __cdecl
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* 09-09-93 GJF Have Win32 convert from a local file time value to a
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* (system) file time value. This is symmetric with
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* _stat() and a better work-around for the Windows NT
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* bug in converting file times on FAT (applies DST
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* offset based on current time rather than the file's
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* time stamp).
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* 11-01-93 CFW Enable Unicode variant, rip out Cruiser.
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* 02-09-95 GJF Replaced WPRFLAG with _UNICODE.
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* 02-13-95 GJF Appended Mac version of source file (somewhat cleaned
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* up), with appropriate #ifdef-s.
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*
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*******************************************************************************/
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#ifdef _WIN32
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#ifndef _POSIX_
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#include <cruntime.h>
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#include <sys/types.h>
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#include <sys/utime.h>
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#include <msdos.h>
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#include <dostypes.h>
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#include <time.h>
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#include <fcntl.h>
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#include <io.h>
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#include <dos.h>
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#include <oscalls.h>
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#include <errno.h>
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#include <stddef.h>
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#include <internal.h>
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#include <stdio.h>
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#include <tchar.h>
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/***
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*int _utime(pathname, time) - set modification time for file
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*
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*Purpose:
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* Sets the modification time for the file specified by pathname.
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* Only the modification time from the _utimbuf structure is used
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* under MS-DOS.
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*
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*Entry:
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* struct _utimbuf *time - new modification date
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*
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*Exit:
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* returns 0 if successful
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* returns -1 and sets errno if fails
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*
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*Exceptions:
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*
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*******************************************************************************/
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int __cdecl _tutime (
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const _TSCHAR *fname,
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struct _utimbuf *times
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)
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{
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int fh;
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int retval;
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/* open file, fname, since filedate system call needs a handle. Note
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* _utime definition says you must have write permission for the file
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* to change its time, so open file for write only. Also, must force
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* it to open in binary mode so we dont remove ^Z's from binary files.
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*/
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if ((fh = _topen(fname, _O_RDWR | _O_BINARY)) < 0)
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return(-1);
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retval = _futime(fh, times);
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_close(fh);
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return(retval);
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}
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#ifndef _UNICODE
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/***
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*int _futime(fh, time) - set modification time for open file
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*
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*Purpose:
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* Sets the modification time for the open file specified by fh.
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* Only the modification time from the _utimbuf structure is used
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* under MS-DOS.
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*
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*Entry:
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* struct _utimbuf *time - new modification date
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*
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*Exit:
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* returns 0 if successful
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* returns -1 and sets errno if fails
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*
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*Exceptions:
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*
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*******************************************************************************/
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int __cdecl _futime (
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int fh,
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struct _utimbuf *times
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)
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{
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REG1 struct tm *tmb;
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SYSTEMTIME SystemTime;
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FILETIME LocalFileTime;
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FILETIME LastWriteTime;
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FILETIME LastAccessTime;
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struct _utimbuf deftimes;
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if (times == NULL) {
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time(&deftimes.modtime);
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deftimes.actime = deftimes.modtime;
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times = &deftimes;
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}
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if ((tmb = localtime(×->modtime)) == NULL) {
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errno = EINVAL;
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return(-1);
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}
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SystemTime.wYear = (WORD)(tmb->tm_year + 1900);
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SystemTime.wMonth = (WORD)(tmb->tm_mon + 1);
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SystemTime.wDay = (WORD)(tmb->tm_mday);
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SystemTime.wHour = (WORD)(tmb->tm_hour);
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SystemTime.wMinute = (WORD)(tmb->tm_min);
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SystemTime.wSecond = (WORD)(tmb->tm_sec);
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SystemTime.wMilliseconds = 0;
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if ( !SystemTimeToFileTime( &SystemTime, &LocalFileTime ) ||
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!LocalFileTimeToFileTime( &LocalFileTime, &LastWriteTime ) )
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{
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errno = EINVAL;
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return(-1);
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}
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if ((tmb = localtime(×->actime)) == NULL) {
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errno = EINVAL;
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return(-1);
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}
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SystemTime.wYear = (WORD)(tmb->tm_year + 1900);
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SystemTime.wMonth = (WORD)(tmb->tm_mon + 1);
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SystemTime.wDay = (WORD)(tmb->tm_mday);
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SystemTime.wHour = (WORD)(tmb->tm_hour);
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SystemTime.wMinute = (WORD)(tmb->tm_min);
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SystemTime.wSecond = (WORD)(tmb->tm_sec);
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SystemTime.wMilliseconds = 0;
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if ( !SystemTimeToFileTime( &SystemTime, &LocalFileTime ) ||
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!LocalFileTimeToFileTime( &LocalFileTime, &LastAccessTime ) )
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{
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errno = EINVAL;
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return(-1);
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}
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/* set the date via the filedate system call and return. failing
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* this call implies the new file times are not supported by the
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* underlying file system.
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*/
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if (!SetFileTime((HANDLE)_get_osfhandle(fh),
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NULL,
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&LastAccessTime,
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&LastWriteTime
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))
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{
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errno = EINVAL;
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return(-1);
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}
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return(0);
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}
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#endif /* _UNICODE */
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#endif /* _POSIX_ */
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#else /* ndef _WIN32 */
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#if defined(_M_MPPC) || defined(_M_M68K)
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#include <cruntime.h>
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#include <internal.h>
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#include <sys/types.h>
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#include <sys/utime.h>
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#include <time.h>
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#include <errno.h>
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#include <string.h>
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#include <macos\osutils.h>
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#include <macos\files.h>
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#include <macos\errors.h>
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/***
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*int _utime(pathname, time) - set modification time for file
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*
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*Purpose:
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* Sets the modification time for the file specified by pathname.
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* Only the modification time from the _utimbuf structure is used
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* under MS-DOS.
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*
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*Entry:
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* struct _utimbuf *time - new modification date
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*
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*Exit:
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* returns 0 if successful
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* returns -1 and sets errno if fails
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*
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*Exceptions:
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*
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*******************************************************************************/
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void __Ansi2MacTime(struct tm *tmb, DateTimeRec * pdt);
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int __cdecl _utime (
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const char *fname,
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struct _utimbuf *times
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)
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{
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CInfoPBRec cinfoPB;
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time_t timeval;
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OSErr osErr;
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struct tm *tmb;
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unsigned long lTime;
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DateTimeRec dt;
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char szBuf[256];
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strcpy(szBuf, fname);
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cinfoPB.dirInfo.ioVRefNum = 0;
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cinfoPB.dirInfo.ioDrDirID = 0;
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cinfoPB.dirInfo.ioFDirIndex = 0;
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cinfoPB.dirInfo.ioNamePtr = _c2pstr(szBuf);
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osErr = PBGetCatInfoSync(&cinfoPB);
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switch (osErr)
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{
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case noErr:
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break;
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case fnfErr:
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case extFSErr:
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case bdNamErr:
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case ioErr:
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case nsvErr:
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case paramErr:
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errno = ENOENT;
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return -1;
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default:
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return -1;
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}
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//file locked or dir
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if (cinfoPB.dirInfo.ioFlAttrib & 0x1 ||
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cinfoPB.dirInfo.ioFlAttrib & 0x10)
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{
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/* no write permission on file, return error */
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errno = EACCES;
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return -1;
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}
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if (times == NULL)
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{
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GetDateTime(&lTime);
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timeval = (time_t)lTime;
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}
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else
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{
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timeval = times->modtime;
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if ((tmb = localtime(&timeval)) == NULL)
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{
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errno = EINVAL;
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return -1;
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}
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//convert ANSI date/time to Mac date/time
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__Ansi2MacTime(tmb, &dt);
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Date2Secs(&dt, &timeval);
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}
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cinfoPB.dirInfo.ioVRefNum = 0;
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cinfoPB.dirInfo.ioDrDirID = 0;
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cinfoPB.dirInfo.ioFDirIndex = 0;
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cinfoPB.dirInfo.ioNamePtr = szBuf;
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cinfoPB.dirInfo.ioDrMdDat = timeval;
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osErr = PBSetCatInfoSync(&cinfoPB);
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switch (osErr)
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{
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case noErr:
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errno = 0;
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break;
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case extFSErr:
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case bdNamErr:
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case fnfErr:
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case ioErr:
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case nsvErr:
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errno = ENOENT;
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return -1;
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case fLckdErr:
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case vLckdErr:
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case wPrErr:
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errno = EACCES;
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return -1;
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default:
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return -1;
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}
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return 0;
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}
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/***
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*void __Ansi2MacTime(struct tm *, DateTimeRec *) - internal
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*
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*
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*Purpose:
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* convert ansi time to Mac time
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*
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*Entry:
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* struct tm *tmb - ansi time
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* DateTimeRec - Mac time
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*
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*Exit:
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*
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*Exceptions:
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*
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*******************************************************************************/
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void __Ansi2MacTime(struct tm *tmb, DateTimeRec * pdt)
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{
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pdt->second = tmb->tm_sec;
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pdt->minute = tmb->tm_min;
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pdt->hour = tmb->tm_hour;
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pdt->day = tmb->tm_mday;
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pdt->month = tmb->tm_mon + 1;
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pdt->year = tmb->tm_year + 1900;
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pdt->dayOfWeek = tmb->tm_wday + 1;
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return;
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}
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#endif /* defined(_M_MPPC) || defined(_M_M68K) */
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#endif /* _WIN32 */
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