Use HOST_NAME_MAX constant here instead for the gethostname() func

diff --git a/ext/standard/dns.c b/ext/standard/dns.c
index 4ad26bb6e2a955fe1b08ca325d34c5d0a1104e04..9cd12ce0f9dc53d367d49ed15462492bd7988933 100644 (file)
--- a/ext/standard/dns.c
+++ b/ext/standard/dns.c
@@ -66,6 +66,12 @@
 #define MAXHOSTNAMELEN 255
 #endif
 
+/* For the local hostname obtained via gethostname which is different from the
+   dns-related MAXHOSTNAMELEN constant above */
+#ifndef HOST_NAME_MAX
+#define HOST_NAME_MAX 255
+#endif
+
 #include "php_dns.h"
 
 /* type compat */
@@ -122,7 +128,7 @@ static char *php_gethostbyname(char *name);
    Get the host name of the current machine */
 PHP_FUNCTION(gethostname)
 {
-       char buf[MAXHOSTNAMELEN];
+       char buf[HOST_NAME_MAX];
 
        if (zend_parse_parameters_none() == FAILURE) {
                return;