allow combination of -a with --print-tos

This is similar to how -e, --elapsed works.
Also adjust -h output regarding --print-tos.

ci/test-05-options-c-e.pl

@@ -1,6 +1,6 @@
 #!/usr/bin/perl -w
 
-use Test::Command tests => 72;
+use Test::Command tests => 75;
 use Test::More;
 
 # -c n count of pings to send to each target (default 1)
@@ -292,6 +292,14 @@
 $cmd->exit_is_num(0);
 $cmd->stdout_like(qr{127\.0\.0\.1 is alive \(\d\.\d+ ms\)
 });
+$cmd->stderr_is_eq("");
+}
 
+# fping -e -a
+{
+my $cmd = Test::Command->new(cmd => "fping -e -a 127.0.0.1");
+$cmd->exit_is_num(0);
+$cmd->stdout_like(qr{127\.0\.0\.1 \(\d\.\d+ ms\)
+});
 $cmd->stderr_is_eq("");
 }

ci/test-08-options-n-q.pl

@@ -1,6 +1,6 @@
 #!/usr/bin/perl -w
 
-use Test::Command tests => 45;
+use Test::Command tests => 48;
 use Test::More;
 
 # -n show targets by name (-d is equivalent)
@@ -58,6 +58,15 @@
 $cmd->stderr_is_eq("");
 }
 
+# fping -a -O --print-tos
+{
+my $cmd = Test::Command->new(cmd => "fping -a -O 32 --print-tos 127.0.0.1");
+$cmd->exit_is_num(0);
+$cmd->stdout_like(qr{127\.0\.0\.1 \(TOS \d+\)
+});
+$cmd->stderr_is_eq("");
+}
+
 # fping --print-tos
 {
 my $cmd = Test::Command->new(cmd => "fping --print-tos 127.0.0.1");

src/fping.c

@@ -2518,16 +2518,16 @@ int wait_for_reply(int64_t wait_time)
  if (verbose_flag || alive_flag) {
  printf("%s", h->host);
 
- if (verbose_flag) {
+ if (verbose_flag)
  printf(" is alive");
- if(print_tos_flag) {
-  if(ip_header_tos != -1) {
-  printf(" (TOS %d)", ip_header_tos);
-  }
-  else {
-  printf(" (TOS unknown)");
-  }
-  }
+
+ if(print_tos_flag) {
+ if(ip_header_tos != -1) {
+ printf(" (TOS %d)", ip_header_tos);
+ }
+ else {
+ printf(" (TOS unknown)");
+ }
  }
 
  if (print_ttl_flag) {
@@ -3108,7 +3108,7 @@ void usage(int is_error)
  fprintf(out, " -v, --version show version\n");
  fprintf(out, " -x, --reachable=N shows if >=N hosts are reachable or not\n");
  fprintf(out, " -X, --fast-reachable=N exits true immediately when N hosts are found\n");
- fprintf(out, " --print-tos show tos value\n");
+ fprintf(out, " --print-tos show received TOS value\n");
  fprintf(out, " --print-ttl show IP TTL value\n");
  exit(is_error);
 }