b0f6df58d7
git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@689 ec53bebd-3082-4978-b11e-865c3cabbd6b
40 lines
665 B
C
40 lines
665 B
C
#ifdef HAVE_CONFIG_H
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#include <config.h>
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RCSID("$Id$");
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#endif
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#include "roken.h"
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#include <sys/types.h>
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#include <stdio.h>
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#include <netinet/in.h>
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#include <netdb.h>
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/* Minimal implementation of inet_aton. Doesn't handle hex numbers. */
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int inet_aton(const char *cp, struct in_addr *adr)
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{
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unsigned int a, b, c, d;
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int num;
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num = sscanf(cp, "%u.%u.%u.%u", &a, &b, &c, &d);
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if(num < 2)
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return 0;
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if(num == 2){
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c = b & 0xffff;
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b = b >> 16;
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}
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if(num < 4){
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d = c & 0xff;
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c = c >> 8;
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}
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if(a > 255 || b > 255 || c > 255 || d > 255)
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return 0;
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adr->s_addr = htonl((a << 24) | (b << 16) | (c << 8) | d);
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return 1;
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}
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