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windows: add utimes implementation
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parent
dd9b73f383
commit
da286857e0
5 changed files with 80 additions and 3 deletions
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@ -48,4 +48,6 @@ endif()
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check_function_exists(strerror_r HAVE_STRERROR_R)
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check_function_exists(utimes HAVE_UTIMES)
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set(CSYNC_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} CACHE INTERNAL "csync required system libraries")
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@ -11,4 +11,5 @@
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#cmakedefine HAVE_CLOCK_GETTIME
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#cmakedefine WITH_LOG4C 1
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#cmakedefine HAVE_STRERROR_R
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#cmakedefine HAVE_STRERROR_R
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#cmakedefine HAVE_UTIMES
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@ -63,3 +63,75 @@ double c_secdiff(struct timespec clock1, struct timespec clock0) {
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return ret;
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}
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#ifdef HAVE_UTIMES
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int c_utimes(const char *uri, const struct timeval *times) {
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return utimes(uri, times);
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}
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#else // HAVE_UTIMES
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#ifdef _WIN32
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// implementation for utimes taken from KDE mingw headers
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#include <errno.h>
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#include <wtypes.h>
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#define CSYNC_SECONDS_SINCE_1601 11644473600LL
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#define CSYNC_USEC_IN_SEC 1000000LL
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//after Microsoft KB167296
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static void UnixTimevalToFileTime(struct timeval t, LPFILETIME pft)
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{
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LONGLONG ll;
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ll = Int32x32To64(t.tv_sec, CSYNC_USEC_IN_SEC*10) + t.tv_usec*10 + CSYNC_SECONDS_SINCE_1601*CSYNC_USEC_IN_SEC*10;
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pft->dwLowDateTime = (DWORD)ll;
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pft->dwHighDateTime = ll >> 32;
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}
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int c_utimes(const char *uri, const struct timeval *times) {
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FILETIME LastAccessTime;
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FILETIME LastModificationTime;
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HANDLE hFile;
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if(times) {
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UnixTimevalToFileTime(times[0], &LastAccessTime);
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UnixTimevalToFileTime(times[1], &LastModificationTime);
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}
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else {
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GetSystemTimeAsFileTime(&LastAccessTime);
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GetSystemTimeAsFileTime(&LastModificationTime);
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}
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hFile=CreateFileA(uri, FILE_WRITE_ATTRIBUTES, FILE_SHARE_DELETE | FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, 0, NULL);
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if(hFile==INVALID_HANDLE_VALUE) {
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switch(GetLastError()) {
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case ERROR_FILE_NOT_FOUND:
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errno=ENOENT;
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break;
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case ERROR_PATH_NOT_FOUND:
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case ERROR_INVALID_DRIVE:
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errno=ENOTDIR;
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break;
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/*case ERROR_WRITE_PROTECT: //CreateFile sets ERROR_ACCESS_DENIED on read-only devices
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* errno=EROFS;
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* break;*/
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case ERROR_ACCESS_DENIED:
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errno=EACCES;
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break;
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default:
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errno=ENOENT; //what other errors can occur?
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}
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return -1;
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}
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if(!SetFileTime(hFile, NULL, &LastAccessTime, &LastModificationTime)) {
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//can this happen?
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errno=ENOENT;
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return -1;
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}
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CloseHandle(hFile);
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return 0;
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}
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#endif // _WIN32
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#endif // HAVE_UTIMES
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@ -24,6 +24,7 @@
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#define _C_TIME_H
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#include <time.h>
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#include <sys/time.h>
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/**
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* @brief Calculate time difference
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@ -52,4 +53,6 @@ struct timespec c_tspecdiff(struct timespec time1, struct timespec time0);
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*/
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double c_secdiff(struct timespec clock1, struct timespec clock0);
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int c_utimes(const char *uri, const struct timeval *times);
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#endif /* _C_TIME_H */
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@ -357,6 +357,5 @@ int csync_vio_local_chown(const char *uri, uid_t owner, gid_t group) {
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}
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int csync_vio_local_utimes(const char *uri, const struct timeval *times) {
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return utimes(uri, times);
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return c_utimes(uri, times);
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}
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