X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=networking%2Fipcalc.c;h=18abc12eb405a07d8ae6aae342cab8d62a99d5fb;hb=d7171c114028815df4e92f9c26875f1d60c6af2a;hp=d7c968c257da88793e4c8a268d4f3396b3e805a9;hpb=9b49a5ed8551e46892af3f676e5d96d21b540e3c;p=oweals%2Fbusybox.git

diff --git a/networking/ipcalc.c b/networking/ipcalc.c
index d7c968c25..18abc12eb 100644
--- a/networking/ipcalc.c
+++ b/networking/ipcalc.c
@@ -12,7 +12,6 @@
  * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
  */
 
-#include <getopt.h>
 #include <sys/socket.h>
 #include <arpa/inet.h>
 
@@ -87,7 +86,7 @@ int ipcalc_main(int argc, char **argv)
 #if ENABLE_FEATURE_IPCALC_LONG_OPTIONS
 	applet_long_options = ipcalc_longopts;
 #endif
-	opt = getopt32(argv, "mbn" USE_FEATURE_IPCALC_FANCY("phs"));
+	opt = getopt32(argv, "mbn" IF_FEATURE_IPCALC_FANCY("phs"));
 	argc -= optind;
 	argv += optind;
 	if (opt & (BROADCAST | NETWORK | NETPREFIX)) {
@@ -176,15 +175,12 @@ int ipcalc_main(int argc, char **argv)
 
 		if (opt & HOSTNAME) {
 			struct hostent *hostinfo;
-			int x;
 
 			hostinfo = gethostbyaddr((char *) &ipaddr, sizeof(ipaddr), AF_INET);
 			if (!hostinfo) {
-				bb_herror_msg_and_die("cannot find hostname for %s", argv[0]);
-			}
-			for (x = 0; hostinfo->h_name[x]; x++) {
-				hostinfo->h_name[x] = tolower(hostinfo->h_name[x]);
+				bb_herror_msg_and_die("can't find hostname for %s", argv[0]);
 			}
+			str_tolower(hostinfo->h_name);
 
 			printf("HOSTNAME=%s\n", hostinfo->h_name);
 		}