soc_inet_ntoa.c

Go to the documentation of this file.

#include "soc_common.h"
#include <arpa/inet.h>
#include <netinet/in.h>

static char buffer[INET_ADDRSTRLEN];

char* inet_ntoa(struct in_addr in)
{
    unsigned char *addrbuf = (unsigned char*)&in;
    char *p;
    size_t i;
    unsigned int n;

    memset(buffer, 0, sizeof(buffer));
    for(p = buffer, i = 0; i < 4; ++i) {
        if(i > 0) *p++ = '.';

        n = addrbuf[i];
        if(n >= 100) {
            *p++ = n/100 + '0';
            n %= 100;
        }
        if(n >= 10 || addrbuf[i] >= 100) {
            *p++ = n/10 + '0';
            n %= 10;
        }
        *p++ = n + '0';
    }
    *p = 0;

    return buffer;
}