curl: support zero-length argument strings in config files

... like 'user-agent = ""'

Adjusted test 71 to verify.

1 files changed, 5 insertions, 9 deletions

diff --git a/src/tool_parsecfg.c b/src/tool_parsecfg.c
index d9454c23a..7cf11d8a4 100644
--- a/src/tool_parsecfg.c
+++ b/src/tool_parsecfg.c
@@ -5,7 +5,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2015, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -209,14 +209,10 @@ int parseconfig(const char *filename, struct GlobalConfig *global)
                   filename, lineno, option);
           }
         }
-      }
-
-      if(!*param) {
-        /* do this so getparameter can check for required parameters.
-           Otherwise it always thinks there's a parameter. */
-        if(alloced_param)
-          Curl_safefree(param);
-        param = NULL;
+        if(!*param)
+          /* do this so getparameter can check for required parameters.
+             Otherwise it always thinks there's a parameter. */
+          param = NULL;
       }
 
 #ifdef DEBUG_CONFIG