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Annotation of embedaddon/hping2/resolve.c, revision 1.1

1.1     ! misho       1: /* 
        !             2:  * $smu-mark$ 
        !             3:  * $name: resolve.c$ 
        !             4:  * $author: Salvatore Sanfilippo <antirez@invece.org>$ 
        !             5:  * $copyright: Copyright (C) 1999 by Salvatore Sanfilippo$ 
        !             6:  * $license: This software is under GPL version 2 of license$ 
        !             7:  * $date: Fri Nov  5 11:55:49 MET 1999$ 
        !             8:  * $rev: 8$ 
        !             9:  */ 
        !            10: 
        !            11: #include <stdlib.h>
        !            12: #include <sys/types.h>
        !            13: #include <netdb.h>
        !            14: #include <stdio.h>
        !            15: #include <string.h>
        !            16: #include <sys/socket.h>
        !            17: #include <netinet/in.h>
        !            18: #include <arpa/inet.h>
        !            19: 
        !            20: void resolve (struct sockaddr * addr, char *hostname)
        !            21: {
        !            22:        struct  sockaddr_in *address;
        !            23:        struct  hostent     *host;
        !            24: 
        !            25:        address = (struct sockaddr_in *)addr;
        !            26: 
        !            27:        memset(address, 0, sizeof(struct sockaddr_in));
        !            28:        address->sin_family = AF_INET;
        !            29:        address->sin_addr.s_addr = inet_addr(hostname);
        !            30: 
        !            31:        if ( (int)address->sin_addr.s_addr == -1) {
        !            32:                host = gethostbyname(hostname);
        !            33:                if (host) {
        !            34:                        memcpy(&address->sin_addr, host->h_addr,
        !            35:                                host->h_length);
        !            36:                } else {
        !            37:                        perror("[resolve] Could not resolve address");
        !            38:                        exit(1);
        !            39:                }
        !            40:        }
        !            41: }