X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=networking%2Fnslookup.c;h=8791b5efee4aa66d998d52bc874b44863e65a3fc;hb=fa45f22e5099e093d09ea41144b76ef1a6464bfd;hp=15019e935e6c75156235c656fd7d1b4e9ed415c7;hpb=61677feff7f549a48267c2c0c50a7420de6e2599;p=oweals%2Fbusybox.git diff --git a/networking/nslookup.c b/networking/nslookup.c index 15019e935..8791b5efe 100644 --- a/networking/nslookup.c +++ b/networking/nslookup.c @@ -2,7 +2,7 @@ /* * Mini nslookup implementation for busybox * - * Copyright (C) 2000 by Lineo, inc. + * Copyright (C) 1999,2000,2001 by Lineo, inc. * Written by John Beppu * * This program is free software; you can redistribute it and/or modify @@ -21,16 +21,17 @@ * */ -#include "internal.h" #include #include #include #include +#include #include #include #include #include +#include "busybox.h" /* | I'm only implementing non-interactive mode; @@ -41,21 +42,18 @@ | + find out how the real nslookup gets the default name server */ -static const char nslookup_usage[] = "nslookup [HOST]\n\n"; - - /* I have to see how the real nslookup does this. * I could dig through /etc/resolv.conf, but is there a * better (programatic) way? */ -static void server_fprint(FILE * dst) +static inline void server_print(void) { - fprintf(dst, "Server: %s\n", "something"); - fprintf(dst, "Address: %s\n\n", "something"); + printf("Server: %s\n", "default"); + printf("Address: %s\n\n", "default"); } /* only works for IPv4 */ -static int addr_fprint(char *addr, FILE * dst) +static int addr_fprint(char *addr) { u_int8_t split[4]; u_int32_t ip; @@ -66,8 +64,7 @@ static int addr_fprint(char *addr, FILE * dst) split[1] = (ip & 0x00ff0000) >> 16; split[2] = (ip & 0x0000ff00) >> 8; split[3] = (ip & 0x000000ff); - fprintf(dst, "%d.%d.%d.%d", split[0], split[1], split[2], split[3] - ); + printf("%d.%d.%d.%d", split[0], split[1], split[2], split[3]); return 0; } @@ -92,30 +89,30 @@ static u_int32_t str_to_addr(const char *addr) /* takes the NULL-terminated array h_addr_list, and * prints its contents appropriately */ -static int addr_list_fprint(char **h_addr_list, FILE * dst) +static int addr_list_fprint(char **h_addr_list) { int i, j; char *addr_string = (h_addr_list[1]) - ? "Addresses" : "Address"; + ? "Addresses: " : "Address: "; - fprintf(dst, "%s: ", addr_string); + printf("%s ", addr_string); for (i = 0, j = 0; h_addr_list[i]; i++, j++) { - addr_fprint(h_addr_list[i], dst); + addr_fprint(h_addr_list[i]); /* real nslookup does this */ if (j == 4) { if (h_addr_list[i + 1]) { - fprintf(dst, "\n "); + printf("\n "); } j = 0; } else { if (h_addr_list[i + 1]) { - fprintf(dst, ", "); + printf(", "); } } } - fprintf(dst, "\n"); + printf("\n"); return 0; } @@ -129,13 +126,13 @@ static struct hostent *gethostbyaddr_wrapper(const char *address) } /* print the results as nslookup would */ -static struct hostent *hostent_fprint(struct hostent *host, FILE * dst) +static struct hostent *hostent_fprint(struct hostent *host) { if (host) { - fprintf(dst, "Name: %s\n", host->h_name); - addr_list_fprint(host->h_addr_list, dst); + printf("Name: %s\n", host->h_name); + addr_list_fprint(host->h_addr_list); } else { - fprintf(dst, "*** %s\n", hstrerror(h_errno)); + printf("*** Unknown host\n"); } return host; } @@ -159,18 +156,18 @@ int nslookup_main(int argc, char **argv) { struct hostent *host; - if (argc < 2) { - usage(nslookup_usage); + if (argc < 2 || *argv[1]=='-') { + show_usage(); } - server_fprint(stdout); + server_print(); if (is_ip_address(argv[1])) { host = gethostbyaddr_wrapper(argv[1]); } else { host = gethostbyname(argv[1]); } - hostent_fprint(host, stdout); - return 0; + hostent_fprint(host); + return EXIT_SUCCESS; } -/* $Id: nslookup.c,v 1.6 2000/04/13 01:18:56 erik Exp $ */ +/* $Id: nslookup.c,v 1.22 2001/02/20 06:14:08 andersen Exp $ */