Add note about yaz_log_mask_str_x

diff --git a/src/log.c b/src/log.c
index 265dd77..b439c4c 100644 (file)
--- a/src/log.c
+++ b/src/log.c
@@ -577,6 +577,8 @@ int yaz_log_mask_str(const char *str)
     return yaz_log_mask_str_x(str, l_level);
 }
 
+/* this function is called by yaz_log_init_globals & yaz_init_globals
+   and, thus, may not call any of them indirectly */
 int yaz_log_mask_str_x(const char *str, int level)
 {
     const char *p;