43 lines
695 B
C
43 lines
695 B
C
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/*
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ethera2n.c
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Convert an ASCII string with an ethernet address into a struct ether_addr.
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Created: Nov 17, 1992 by Philip Homburg
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*/
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#include <sys/types.h>
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#include <stdlib.h>
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#include <net/netlib.h>
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#include <net/gen/ether.h>
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#include <net/gen/if_ether.h>
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struct ether_addr *ether_aton(s)
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_CONST char *s;
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{
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static struct ether_addr ea;
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int i;
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long v;
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char *check;
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if (s == NULL)
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return NULL;
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for (i=0; i<6; i++)
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{
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v= strtol(s, &check, 16);
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if (v<0 || v>255)
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return NULL;
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if ((i<5 && check[0] != ':') || (i == 5 && check[0] != '\0'))
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return NULL;
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ea.ea_addr[i]= v;
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s= check+1;
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}
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return &ea;
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}
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/*
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* $PchId: ethera2n.c,v 1.3 1996/02/22 21:10:01 philip Exp $
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*/
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