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71 lines
1.1 KiB
71 lines
1.1 KiB
#include <errno.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include "utils.h"
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static __inline__ int do_digit(char *str, u_int32_t addr, u_int32_t scale, size_t *pos, size_t len)
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{
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u_int32_t tmp = addr >> (scale * 4);
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if (*pos == len)
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return 1;
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tmp &= 0x0f;
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if (tmp > 9)
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*str = tmp + 'A' - 10;
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else
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*str = tmp + '0';
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(*pos)++;
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return 0;
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}
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static const char *ipx_ntop1(const struct ipx_addr *addr, char *str, size_t len)
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{
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int i;
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size_t pos = 0;
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if (len == 0)
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return str;
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for(i = 7; i >= 0; i--)
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if (do_digit(str + pos, ntohl(addr->ipx_net), i, &pos, len))
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return str;
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if (pos == len)
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return str;
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*(str + pos) = '.';
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pos++;
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for(i = 0; i < 6; i++) {
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if (do_digit(str + pos, addr->ipx_node[i], 1, &pos, len))
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return str;
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if (do_digit(str + pos, addr->ipx_node[i], 0, &pos, len))
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return str;
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}
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if (pos == len)
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return str;
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*(str + pos) = 0;
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return str;
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}
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const char *ipx_ntop(int af, const void *addr, char *str, size_t len)
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{
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switch(af) {
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case AF_IPX:
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errno = 0;
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return ipx_ntop1((struct ipx_addr *)addr, str, len);
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default:
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errno = EAFNOSUPPORT;
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}
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return NULL;
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}
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