source: asp3_tinet_ecnl_arm/trunk/musl-1.1.18/src/network/gethostbyaddr.c@ 352

Last change on this file since 352 was 352, checked in by coas-nagasima, 6 years ago

arm向けASP3版ECNLを追加
  • Property svn:eol-style set to native
  • Property svn:mime-type set to text/x-csrc;charset=UTF-8
File size: 463 bytes
Line 
1#define _GNU_SOURCE
2
3#include <netdb.h>
4#include <errno.h>
5#include <stdlib.h>
6
7struct hostent *gethostbyaddr(const void *a, socklen_t l, int af)
8{
9 static struct hostent *h;
10 size_t size = 63;
11 struct hostent *res;
12 int err;
13 do {
14 free(h);
15 h = malloc(size+=size+1);
16 if (!h) {
17 h_errno = NO_RECOVERY;
18 return 0;
19 }
20 err = gethostbyaddr_r(a, l, af, h,
21 (void *)(h+1), size-sizeof *h, &res, &h_errno);
22 } while (err == ERANGE);
23 return err ? 0 : h;
24}
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