28 lines
563 B
C
28 lines
563 B
C
#include <libowfat/ip6.h>
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#include <libowfat/byte.h>
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#include <ctype.h>
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#include <libowfat/socket.h>
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#include "havealloca.h"
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size_t scan_ip6if(const char* src,char ip[16],uint32* scope_id) {
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size_t i=scan_ip6(src,ip);
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*scope_id=0;
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if (src[i]=='%') {
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size_t j;
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char* tmp;
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for (j=i+1; isalnum(src[j]); ++j) ;
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if (!src[j])
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tmp=(char*)src+i+1;
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else {
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tmp=alloca(j-i);
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byte_copy(tmp,j-(i+1),src+i+1);
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tmp[j-(i+1)]=0;
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}
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if (*tmp) {
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*scope_id=socket_getifidx(tmp);
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return j;
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}
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}
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return i;
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}
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