#19 wmweather+.c:598]: (error) Resource leak: fp

[dcb]

Source code is

    if(!parse_option(c, d)){
        warn("%s[%d]: %s", file, l, error);
        return 2;
    }

Suggest add missing call to fclose.

[Brad Jorsch]

Looks like there's also a missing free(file) there in some code paths.