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start reentrant gethostbyname impl

This commit is contained in:
Doug MacEachern 2006-02-23 05:02:11 +00:00
parent 88ea672ba6
commit 415f33a079
1 changed files with 19 additions and 1 deletions
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20
src/sigar.c
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@ -1552,6 +1552,24 @@ static int fqdn_ip_get(sigar_t *sigar, char *name)
#include <netdb.h>
#endif
#define GETHOSTBYNAME_LEN 512
static struct hostent *sigar_gethostbyname(const char *name)
{
char buffer[GETHOSTBYNAME_LEN];
struct hostent hs, *hp;
int err;
#if defined(__linux__)
gethostbyname_r(name, &hs, buffer, sizeof(buffer),
&hp, &err);
#else
hp = gethostbyname(name);
#endif
return hp;
}
#define IS_FQDN(name) \
(name && strchr(name, '.'))
@ -1588,7 +1606,7 @@ SIGAR_DECLARE(int) sigar_fqdn_get(sigar_t *sigar, char *name, int namelen)
}
/* XXX use _r versions of these functions. */
if (!(p = gethostbyname(name))) {
if (!(p = sigar_gethostbyname(name))) {
if (SIGAR_LOG_IS_DEBUG(sigar)) {
sigar_log_printf(sigar, SIGAR_LOG_DEBUG,
"[fqdn] gethostbyname(%s) failed: %s",