Implemented ticket #185: Added pj_file_flush() to file I/O API to flush file buffers

git-svn-id: https://svn.pjsip.org/repos/pjproject/trunk@1074 74dad513-b988-da41-8d7b-12977e46ad98
diff --git a/pjlib/src/pj/config.c b/pjlib/src/pj/config.c
index 66e72fa..75ab36f 100644
--- a/pjlib/src/pj/config.c
+++ b/pjlib/src/pj/config.c
@@ -21,7 +21,7 @@
 #include <pj/ioqueue.h>
 
 static const char *id = "config.c";
-const char *PJ_VERSION = "0.5.10.1-trunk";
+const char *PJ_VERSION = "0.5.10.2-trunk";
 
 PJ_DEF(void) pj_dump_config(void)
 {
diff --git a/pjlib/src/pj/file_io_ansi.c b/pjlib/src/pj/file_io_ansi.c
index a242581..6d340ce 100644
--- a/pjlib/src/pj/file_io_ansi.c
+++ b/pjlib/src/pj/file_io_ansi.c
@@ -154,4 +154,14 @@
     return PJ_SUCCESS;
 }
 
+PJ_DEF(pj_status_t) pj_file_flush(pj_oshandle_t fd)
+{
+    int rc;
 
+    rc = fflush((FILE*)fd);
+    if (rc == EOF) {
+	return PJ_RETURN_OS_ERROR(errno);
+    }
+
+    return PJ_SUCCESS;
+}
diff --git a/pjlib/src/pj/file_io_win32.c b/pjlib/src/pj/file_io_win32.c
index 2497be6..2784849 100644
--- a/pjlib/src/pj/file_io_win32.c
+++ b/pjlib/src/pj/file_io_win32.c
@@ -204,3 +204,17 @@
     return PJ_SUCCESS;
 }
 
+PJ_DEF(pj_status_t) pj_file_flush(pj_oshandle_t fd)
+{
+    BOOL rc;
+
+    rc = FlushFileBuffers(fd);
+
+    if (!rc) {
+	DWORD dwStatus = GetLastError();
+        if (dwStatus != 0)
+            return PJ_RETURN_OS_ERROR(dwStatus);
+    }
+
+    return PJ_SUCCESS;
+}