added getgid to os_calls

common/os_calls.c

@@ -2413,6 +2413,19 @@ g_getuid(void)
 #endif
 }
 
+/*****************************************************************************/
+/* does not work in win32 */
+/* returns user id */
+int APP_CC
+g_getgid(void)
+{
+#if defined(_WIN32)
+    return 0;
+#else
+    return getgid();
+#endif
+}
+
 /*****************************************************************************/
 /* does not work in win32 */
 /* On success, zero is returned. On error, -1 is returned */

common/os_calls.h

@@ -240,6 +240,8 @@ g_initgroups(const char* user, int gid);
 int APP_CC
 g_getuid(void);
 int APP_CC
+g_getgid(void);
+int APP_CC
 g_setuid(int pid);
 int APP_CC
 g_waitchild(void);