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/* $Id$ */
#include <pj/file_access.h>
#include <pj/assert.h>
#include <pj/errno.h>
#include <windows.h>
#include <time.h>
/*
* pj_file_exists()
*/
PJ_DEF(pj_bool_t) pj_file_exists(const char *filename)
{
HANDLE hFile;
PJ_ASSERT_RETURN(filename != NULL, 0);
hFile = CreateFile(filename, READ_CONTROL, FILE_SHARE_READ, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (hFile == INVALID_HANDLE_VALUE)
return 0;
CloseHandle(hFile);
return PJ_TRUE;
}
/*
* pj_file_size()
*/
PJ_DEF(pj_off_t) pj_file_size(const char *filename)
{
HANDLE hFile;
DWORD sizeLo, sizeHi;
pj_off_t size;
PJ_ASSERT_RETURN(filename != NULL, -1);
hFile = CreateFile(filename, READ_CONTROL,
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (hFile == INVALID_HANDLE_VALUE)
return -1;
sizeLo = GetFileSize(hFile, &sizeHi);
if (sizeLo == INVALID_FILE_SIZE) {
DWORD dwStatus = GetLastError();
if (dwStatus != NO_ERROR) {
CloseHandle(hFile);
return -1;
}
}
size = sizeHi;
size = (size << 32) + sizeLo;
CloseHandle(hFile);
return size;
}
/*
* pj_file_delete()
*/
PJ_DEF(pj_status_t) pj_file_delete(const char *filename)
{
PJ_ASSERT_RETURN(filename != NULL, PJ_EINVAL);
if (DeleteFile(filename) == FALSE)
return PJ_RETURN_OS_ERROR(GetLastError());
return PJ_SUCCESS;
}
/*
* pj_file_move()
*/
PJ_DEF(pj_status_t) pj_file_move( const char *oldname, const char *newname)
{
BOOL rc;
PJ_ASSERT_RETURN(oldname!=NULL && newname!=NULL, PJ_EINVAL);
#if PJ_WIN32_WINNT >= 0x0400
rc = MoveFileEx(oldname, newname,
MOVEFILE_COPY_ALLOWED|MOVEFILE_REPLACE_EXISTING);
#else
rc = MoveFile(oldname, newname);
#endif
if (!rc)
return PJ_RETURN_OS_ERROR(GetLastError());
return PJ_SUCCESS;
}
static pj_status_t file_time_to_time_val(const FILETIME *file_time,
pj_time_val *time_val)
{
SYSTEMTIME systemTime, localTime;
struct tm tm;
if (!FileTimeToSystemTime(file_time, &systemTime))
return -1;
if (!SystemTimeToTzSpecificLocalTime(NULL, &systemTime, &localTime))
return -1;
memset(&tm, 0, sizeof(struct tm));
tm.tm_year = localTime.wYear - 1900;
tm.tm_mon = localTime.wMonth - 1;
tm.tm_mday = localTime.wDay;
tm.tm_hour = localTime.wHour;
tm.tm_min = localTime.wMinute;
tm.tm_sec = localTime.wSecond;
tm.tm_isdst = 0;
time_val->sec = mktime(&tm);
if (time_val->sec == (time_t)-1)
return -1;
time_val->msec = localTime.wMilliseconds;
return PJ_SUCCESS;
}
/*
* pj_file_getstat()
*/
PJ_DEF(pj_status_t) pj_file_getstat(const char *filename, pj_file_stat *stat)
{
HANDLE hFile;
DWORD sizeLo, sizeHi;
FILETIME creationTime, accessTime, writeTime;
PJ_ASSERT_RETURN(filename!=NULL && stat!=NULL, PJ_EINVAL);
hFile = CreateFile(filename, READ_CONTROL, FILE_SHARE_READ, NULL,
OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (hFile == INVALID_HANDLE_VALUE)
return PJ_RETURN_OS_ERROR(GetLastError());
sizeLo = GetFileSize(hFile, &sizeHi);
if (sizeLo == INVALID_FILE_SIZE) {
DWORD dwStatus = GetLastError();
if (dwStatus != NO_ERROR) {
CloseHandle(hFile);
return PJ_RETURN_OS_ERROR(dwStatus);
}
}
stat->size = sizeHi;
stat->size = (stat->size << 32) + sizeLo;
if (GetFileTime(hFile, &creationTime, &accessTime, &writeTime)==FALSE) {
DWORD dwStatus = GetLastError();
CloseHandle(hFile);
return PJ_RETURN_OS_ERROR(dwStatus);
}
CloseHandle(hFile);
if (file_time_to_time_val(&creationTime, &stat->ctime) != PJ_SUCCESS)
return PJ_RETURN_OS_ERROR(GetLastError());
file_time_to_time_val(&accessTime, &stat->atime);
file_time_to_time_val(&writeTime, &stat->mtime);
return PJ_SUCCESS;
}
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