automatically test ini file extension for files from commandline option @filename

[xboard.git] / backend.c

diff --git a/backend.c b/backend.c
index 0e36ec2..b2dad3b 100644 (file)
--- a/backend.c
+++ b/backend.c
@@ -12401,8 +12401,9 @@ ParseOption(Option *opt, ChessProgramState *cps)
        } else return FALSE;\r
        *p = 0; // terminate option name\r
        // now look if the command-line options define a setting for this engine option.\r
-       p = strstr(cps->optionSettings, opt->name);\r
-       if(p == cps->optionSettings || p[-1] == ',') {\r
+       if(cps->optionSettings && cps->optionSettings[0])\r
+           p = strstr(cps->optionSettings, opt->name); else p = NULL;\r
+       if(p && (p == cps->optionSettings || p[-1] == ',')) {\r
                sprintf(buf, "option %s", p);\r
                if(p = strstr(buf, ",")) *p = 0;\r
                strcat(buf, "\n");\r