src/oping.c: Move "context_get_packet_loss" into a separate function.

diff --git a/src/oping.c b/src/oping.c
index 4946bf7..6cede31 100644 (file)
--- a/src/oping.c
+++ b/src/oping.c
@@ -102,13 +102,13 @@ static int     opt_send_ttl   = 64;
 static WINDOW *main_win = NULL;
 #endif
 
-static void sigint_handler (int signal)
+static void sigint_handler (int signal) /* {{{ */
 {
        /* Make compiler happy */
        signal = 0;
        /* Exit the loop */
        opt_count = 0;
-}
+} /* }}} void sigint_handler */
 
 static ping_context_t *context_create (void)
 {
@@ -179,6 +179,18 @@ static double context_get_stddev (ping_context_t *ctx) /* {{{ */
                                / (num_total * (num_total - 1.0))));
 } /* }}} double context_get_stddev */
 
+static double context_get_packet_loss (const ping_context_t *ctx) /* {{{ */
+{
+       if (ctx == NULL)
+               return (-1.0);
+
+       if (ctx->req_sent < 1)
+               return (0.0);
+
+       return (100.0 * (ctx->req_sent - ctx->req_rcvd)
+                       / ((double) ctx->req_sent));
+} /* }}} double context_get_packet_loss */
+
 static void usage_exit (const char *name, int status)
 {
        int name_length;
@@ -204,7 +216,7 @@ static void usage_exit (const char *name, int status)
        exit (status);
 }
 
-static int read_options (int argc, char **argv)
+static int read_options (int argc, char **argv) /* {{{ */
 {
        int optchar;
 
@@ -286,7 +298,7 @@ static int read_options (int argc, char **argv)
        }
 
        return (optind);
-}
+} /* }}} read_options */
 
 static void print_host (pingobj_iter_t *iter)
 {
@@ -504,7 +516,7 @@ static int print_footer (pingobj_t *ping)
                printf ("\n--- %s ping statistics ---\n"
                                "%i packets transmitted, %i received, %.2f%% packet loss, time %.1fms\n",
                                context->host, context->req_sent, context->req_rcvd,
-                               100.0 * (context->req_sent - context->req_rcvd) / ((double) context->req_sent),
+                               context_get_packet_loss (context),
                                context->latency_total);
 
                if (context->req_rcvd != 0)