Make sure configuration is saved to storage device

[mech_eap.git] / src / utils / os_win32.c

diff --git a/src/utils/os_win32.c b/src/utils/os_win32.c
index 296ea13..dea27b9 100644 (file)
--- a/src/utils/os_win32.c
+++ b/src/utils/os_win32.c
@@ -216,6 +216,24 @@ char * os_readfile(const char *name, size_t *len)
 }
 
 
+int os_fdatasync(FILE *stream)
+{
+       HANDLE h;
+
+       if (stream == NULL)
+               return -1;
+
+       h = (HANDLE) _get_osfhandle(_fileno(stream));
+       if (h == INVALID_HANDLE_VALUE)
+               return -1;
+
+       if (!FlushFileBuffers(h))
+               return -1;
+
+       return 0;
+}
+
+
 void * os_zalloc(size_t size)
 {
        return calloc(1, size);