diff options
| author | Benny Prijono <bennylp@teluu.com> | 2005-11-07 15:47:28 +0000 |
|---|---|---|
| committer | Benny Prijono <bennylp@teluu.com> | 2005-11-07 15:47:28 +0000 |
| commit | e25a988d098a075f5519090c24237c3b97bc1323 (patch) | |
| tree | e6f4110d717550912cc25bb4e016bd60177d0016 /pjlib/src/pj/file_access_win32.c | |
| parent | 4539be1bf3b88417e3b52fdbeb17d6a74266cb4a (diff) | |
Added file I/O and file access API
git-svn-id: http://svn.pjsip.org/repos/pjproject/main@18 74dad513-b988-da41-8d7b-12977e46ad98
Diffstat (limited to 'pjlib/src/pj/file_access_win32.c')
| -rw-r--r-- | pjlib/src/pj/file_access_win32.c | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/pjlib/src/pj/file_access_win32.c b/pjlib/src/pj/file_access_win32.c new file mode 100644 index 00000000..36405658 --- /dev/null +++ b/pjlib/src/pj/file_access_win32.c @@ -0,0 +1,172 @@ +/* $Id$ */
+#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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