main: Only set non-zero elements in user_options structure

As the number of elements may increase over time, it is better to zero
out the entire strucutre and then explicity set default values only on
those entries that have non-zero default.

Signed-off-by: Timo Kokkonen <timo.t.kokkonen@iki.fi>

diff --git a/main.c b/main.c
index 79d22c2b576ffee9c5a4c9842396d2848540edbd..a78d6800583425f9709fbf9f5ca25217acea3e76 100644 (file)
--- a/main.c
+++ b/main.c
@@ -137,9 +137,12 @@ static int dump_entries(struct user_options *opts, int fd, int usage_code)
 
 int main(int argc, char *argv[])
 {
-       struct user_options opts = { .usbdev = NULL, .output_path = NULL, .output_format = CLEAN, .trace_level = 0 };
+       struct user_options opts;
        int fd, usage_code, ret, error;
 
+       bzero(&opts, sizeof(opts));
+       opts.output_format = CLEAN;
+
        if ( read_args(argc, argv, &opts) )
                return -1;