source: asp3_tinet_ecnl_arm/trunk/musl-1.1.18/src/network/gethostbyname2.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: 479 bytes
Line 
1#define _GNU_SOURCE
2
3#include <sys/socket.h>
4#include <netdb.h>
5#include <errno.h>
6#include <stdlib.h>
7
8struct hostent *gethostbyname2(const char *name, int af)
9{
10 static struct hostent *h;
11 size_t size = 63;
12 struct hostent *res;
13 int err;
14 do {
15 free(h);
16 h = malloc(size+=size+1);
17 if (!h) {
18 h_errno = NO_RECOVERY;
19 return 0;
20 }
21 err = gethostbyname2_r(name, af, h,
22 (void *)(h+1), size-sizeof *h, &res, &h_errno);
23 } while (err == ERANGE);
24 return err ? 0 : h;
25}
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