Some formatting updates (ran the code through indent)

[oweals/busybox.git] / networking / hostname.c

diff --git a/networking/hostname.c b/networking/hostname.c
index 68a56095076081a78198474568a79fb957fb5efa..8cc334da00344b15519006743e6475a0cd968f4b 100644 (file)
--- a/networking/hostname.c
+++ b/networking/hostname.c
@@ -1,5 +1,6 @@
+/* vi: set sw=4 ts=4: */
 /*
- * $Id: hostname.c,v 1.6 2000/02/07 05:29:42 erik Exp $
+ * $Id: hostname.c,v 1.7 2000/02/08 19:58:47 erik Exp $
  * Mini hostname implementation for busybox
  *
  * Copyright (C) 1999 by Randolph Chung <tausq@debian.org>
@@ -29,110 +30,116 @@
 #include <unistd.h>
 #include <stdio.h>
 
-static const char* hostname_usage = 
-"hostname [OPTION] {hostname | -F file}\n\n"
-"Get or set the hostname or DNS domain name. If a hostname is given\n"
-"(or a file with the -F parameter), the host name will be set.\n\n"
-"Options:\n"
-"\t-s\t\tShort\n"
-"\t-i\t\tAddresses for the hostname\n"
-"\t-d\t\tDNS domain name\n"
-"\t-F FILE\t\tUse the contents of FILE to specify the hostname\n";
+static const char *hostname_usage =
+       "hostname [OPTION] {hostname | -F file}\n\n"
+       "Get or set the hostname or DNS domain name. If a hostname is given\n"
+       "(or a file with the -F parameter), the host name will be set.\n\n"
+       "Options:\n"
+       "\t-s\t\tShort\n"
+
+       "\t-i\t\tAddresses for the hostname\n"
+       "\t-d\t\tDNS domain name\n"
+       "\t-F FILE\t\tUse the contents of FILE to specify the hostname\n";
 
 
 void do_sethostname(char *s, int isfile)
 {
-    FILE *f;
-    char buf[255];
-    
-    if (!s) return;
-    if (!isfile) {
-        if (sethostname(s, strlen(s)) < 0) {
-           if (errno == EPERM) 
-               fprintf(stderr, "hostname: you must be root to change the hostname\n");
-           else                
-               perror("sethostname");
-           exit(1);
-       }       
-    } else {
-        if ((f = fopen(s, "r")) == NULL) {
-           perror(s);
-           exit(1);
+       FILE *f;
+       char buf[255];
+
+       if (!s)
+               return;
+       if (!isfile) {
+               if (sethostname(s, strlen(s)) < 0) {
+                       if (errno == EPERM)
+                               fprintf(stderr,
+                                               "hostname: you must be root to change the hostname\n");
+                       else
+                               perror("sethostname");
+                       exit(1);
+               }
        } else {
-            fgets(buf, 255, f);
-           fclose(f);
-           if (buf[strlen(buf)-1] == '\n') buf[strlen(buf)-1] = 0;
-           if (sethostname(buf, strlen(buf)) < 0) {
-              perror("sethostname");
-              exit(1);
-           }
+               if ((f = fopen(s, "r")) == NULL) {
+                       perror(s);
+                       exit(1);
+               } else {
+                       fgets(buf, 255, f);
+                       fclose(f);
+                       if (buf[strlen(buf) - 1] == '\n')
+                               buf[strlen(buf) - 1] = 0;
+                       if (sethostname(buf, strlen(buf)) < 0) {
+                               perror("sethostname");
+                               exit(1);
+                       }
+               }
        }
-    }  
 }
 
 int hostname_main(int argc, char **argv)
 {
-    int opt_short = 0;
-    int opt_domain = 0;
-    int opt_ip = 0;
-    struct hostent *h;
-    char *filename = NULL;
-    char buf[255];
-    char *s = NULL;
-    
-    if (argc < 1) usage(hostname_usage);
+       int opt_short = 0;
+       int opt_domain = 0;
+       int opt_ip = 0;
+       struct hostent *h;
+       char *filename = NULL;
+       char buf[255];
+       char *s = NULL;
 
-    while (--argc > 0 && **(++argv) == '-') {
-       while (*(++(*argv))) {
-           switch (**argv) {
-           case 's':
-               opt_short = 1;
-               break;
-           case 'i':
-               opt_ip = 1;
-               break;
-           case 'd':
-               opt_domain = 1;
-               break;
-           case 'F':
-               filename = optarg;
-               if (--argc == 0) {
-                   usage(hostname_usage);
-               }
-               filename = *(++argv);
-               break;
-           default:
+       if (argc < 1)
                usage(hostname_usage);
-           }
-           if (filename!=NULL)
-               break;
+
+       while (--argc > 0 && **(++argv) == '-') {
+               while (*(++(*argv))) {
+                       switch (**argv) {
+                       case 's':
+                               opt_short = 1;
+                               break;
+                       case 'i':
+                               opt_ip = 1;
+                               break;
+                       case 'd':
+                               opt_domain = 1;
+                               break;
+                       case 'F':
+                               filename = optarg;
+                               if (--argc == 0) {
+                                       usage(hostname_usage);
+                               }
+                               filename = *(++argv);
+                               break;
+                       default:
+                               usage(hostname_usage);
+                       }
+                       if (filename != NULL)
+                               break;
+               }
        }
-    }
 
-    if (argc >= 1) {
-       do_sethostname(*argv, 0);
-    } else if (filename!=NULL) {
-        do_sethostname(filename, 1);
-    } else {
-       gethostname(buf, 255);
-        if (opt_short) {
-            s = strchr(buf, '.');
-           if (!s) s = buf; *s = 0;
-           printf("%s\n", buf);
-       } else if (opt_domain) {
-           s = strchr(buf, '.');
-           printf("%s\n", (s ? s+1 : ""));
-        } else if (opt_ip) {
-           h = gethostbyname(buf);
-           if (!h) {
-               printf("Host not found\n");
-               exit(1);
-           }
-           printf("%s\n", inet_ntoa(*(struct in_addr *)(h->h_addr)));
-        } else {
-         printf("%s\n", buf);
-        }
-    }
-    exit( 0);
+       if (argc >= 1) {
+               do_sethostname(*argv, 0);
+       } else if (filename != NULL) {
+               do_sethostname(filename, 1);
+       } else {
+               gethostname(buf, 255);
+               if (opt_short) {
+                       s = strchr(buf, '.');
+                       if (!s)
+                               s = buf;
+                       *s = 0;
+                       printf("%s\n", buf);
+               } else if (opt_domain) {
+                       s = strchr(buf, '.');
+                       printf("%s\n", (s ? s + 1 : ""));
+               } else if (opt_ip) {
+                       h = gethostbyname(buf);
+                       if (!h) {
+                               printf("Host not found\n");
+                               exit(1);
+                       }
+                       printf("%s\n", inet_ntoa(*(struct in_addr *) (h->h_addr)));
+               } else {
+                       printf("%s\n", buf);
+               }
+       }
+       exit(0);
 }
-