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Fix compiler warning: variable was set but never used

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Simplify preprocessor symbol checking
This commit is contained in:
Yang Tse 2010-02-02 09:15:52 +00:00
parent 17a2c32ca9
commit 46de140aca
1 changed files with 12 additions and 18 deletions
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30
lib/hostip4.c
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@ -153,17 +153,16 @@ Curl_addrinfo *Curl_ipv4_resolve_r(const char *hostname,
struct addrinfo hints;
char sbuf[NI_MAXSERV];
char *sbufptr = NULL;
int error;
memset(&hints, 0, sizeof(hints));
hints.ai_family = PF_INET;
hints.ai_socktype = SOCK_STREAM;
if (port) {
if(port) {
snprintf(sbuf, sizeof(sbuf), "%d", port);
sbufptr = sbuf;
}
hints.ai_flags = AI_CANONNAME;
error = Curl_getaddrinfo_ex(hostname, sbufptr, &hints, &ai);
(void)Curl_getaddrinfo_ex(hostname, sbufptr, &hints, &ai);
#elif defined(HAVE_GETHOSTBYNAME_R)
/*
@ -183,7 +182,7 @@ Curl_addrinfo *Curl_ipv4_resolve_r(const char *hostname,
* platforms.
*/
#ifdef HAVE_GETHOSTBYNAME_R_5
#if defined(HAVE_GETHOSTBYNAME_R_5)
/* Solaris, IRIX and more */
h = gethostbyname_r(hostname,
(struct hostent *)buf,
@ -201,8 +200,7 @@ Curl_addrinfo *Curl_ipv4_resolve_r(const char *hostname,
;
}
else
#endif /* HAVE_GETHOSTBYNAME_R_5 */
#ifdef HAVE_GETHOSTBYNAME_R_6
#elif defined(HAVE_GETHOSTBYNAME_R_6)
/* Linux */
(void)gethostbyname_r(hostname,
@ -243,8 +241,7 @@ Curl_addrinfo *Curl_ipv4_resolve_r(const char *hostname,
*/
if(!h) /* failure */
#endif/* HAVE_GETHOSTBYNAME_R_6 */
#ifdef HAVE_GETHOSTBYNAME_R_3
#elif defined(HAVE_GETHOSTBYNAME_R_3)
/* AIX, Digital Unix/Tru64, HPUX 10, more? */
/* For AIX 4.3 or later, we don't use gethostbyname_r() at all, because of
@ -296,23 +293,20 @@ Curl_addrinfo *Curl_ipv4_resolve_r(const char *hostname,
*/
}
else
#endif /* HAVE_GETHOSTBYNAME_R_3 */
#endif /* HAVE_...BYNAME_R_5 || HAVE_...BYNAME_R_6 || HAVE_...BYNAME_R_3 */
{
h = NULL; /* set return code to NULL */
free(buf);
}
#else /* HAVE_GETHOSTBYNAME_R */
#else /* HAVE_GETADDRINFO_THREADSAFE || HAVE_GETHOSTBYNAME_R */
/*
* Here is code for platforms that don't have gethostbyname_r() or for
* which the gethostbyname() is the preferred() function.
* Here is code for platforms that don't have a thread safe
* getaddrinfo() nor gethostbyname_r() function or for which
* gethostbyname() is the preferred one.
*/
else {
#if (defined(NETWARE) && !defined(__NOVELL_LIBC__))
h = gethostbyname((char*)hostname);
#else
h = gethostbyname(hostname);
#endif
#endif /*HAVE_GETHOSTBYNAME_R */
h = gethostbyname((void*)hostname);
#endif /* HAVE_GETADDRINFO_THREADSAFE || HAVE_GETHOSTBYNAME_R */
}
if(h) {