From 540242dc2d5d316541c01e935c5bb12032d9368c Mon Sep 17 00:00:00 2001
From: Ilia Alshanetsky <iliaa@php.net>
Date: Wed, 31 Dec 2008 14:30:38 +0000
Subject: [PATCH] [DOC] Added gethostname() to return the current system host
 name.

---
 NEWS                           |  1 +
 configure.in                   |  1 +
 ext/standard/basic_functions.c |  9 +++++++++
 ext/standard/dns.c             | 22 ++++++++++++++++++++++
 ext/standard/dns.h             |  4 ++++
 win32/build/config.w32.h.in    |  1 +
 6 files changed, 38 insertions(+)

diff --git a/NEWS b/NEWS
index f579a7be07..a82f7828cd 100644
--- a/NEWS
+++ b/NEWS
@@ -14,6 +14,7 @@ PHP                                                                        NEWS
 
 - Added json_last_error() to return any error information from json_decode().
   (Scott)
+- Added gethostname() to return the current system host name. (Ilia)
 - Added shm_has_var() function. (Mike)
 - Added depth parameter to json_decode() to lower the nesting depth from the
   maximum if required. (Scott)
diff --git a/configure.in b/configure.in
index 11273a0d0e..d953676f95 100644
--- a/configure.in
+++ b/configure.in
@@ -575,6 +575,7 @@ getprotobyname \
 getprotobynumber \
 getservbyname \
 getservbyport \
+gethostname \
 getrusage \
 gettimeofday \
 gmtime_r \
diff --git a/ext/standard/basic_functions.c b/ext/standard/basic_functions.c
index c986e8034c..0b8c19f480 100644
--- a/ext/standard/basic_functions.c
+++ b/ext/standard/basic_functions.c
@@ -991,6 +991,11 @@ ZEND_BEGIN_ARG_INFO(arginfo_gethostbynamel, 0)
 	ZEND_ARG_INFO(0, hostname)
 ZEND_END_ARG_INFO()
 
+#ifdef HAVE_GETHOSTNAME
+ZEND_BEGIN_ARG_INFO(arginfo_gethostname, 0)
+ZEND_END_ARG_INFO()
+#endif
+
 #if HAVE_RES_SEARCH && !(defined(__BEOS__)||defined(PHP_WIN32) || defined(NETWARE))
 ZEND_BEGIN_ARG_INFO_EX(arginfo_dns_check_record, 0, 0, 1)
 	ZEND_ARG_INFO(0, host)
@@ -2990,6 +2995,10 @@ const zend_function_entry basic_functions[] = { /* {{{ */
 	PHP_FE(gethostbyname,													arginfo_gethostbyname)
 	PHP_FE(gethostbynamel,													arginfo_gethostbynamel)
 
+#ifdef HAVE_GETHOSTNAME
+	PHP_FE(gethostname,													arginfo_gethostname)
+#endif
+
 #if HAVE_RES_SEARCH && !(defined(__BEOS__) || defined(PHP_WIN32) || defined(NETWARE))
 	PHP_FE(dns_check_record,												arginfo_dns_check_record)
 	PHP_FALIAS(checkdnsrr,			dns_check_record,						arginfo_dns_check_record)
diff --git a/ext/standard/dns.c b/ext/standard/dns.c
index 89771d6439..8a61d1d321 100644
--- a/ext/standard/dns.c
+++ b/ext/standard/dns.c
@@ -107,6 +107,27 @@
 static char *php_gethostbyaddr(char *ip);
 static char *php_gethostbyname(char *name);
 
+#ifdef HAVE_GETHOSTNAME
+/* {{{ proto string gethostname()
+   Get the host name of the current machine */
+PHP_FUNCTION(gethostname)
+{
+	char buf[4096];
+
+	if (zend_parse_parameters_none() == FAILURE) {
+		WRONG_PARAM_COUNT;
+	}
+
+	if (gethostname(buf, sizeof(buf) - 1)) {
+		php_error_docref(NULL TSRMLS_CC, E_WARNING, "unable to fetch host [%d]: %s", errno, strerror(errno));
+		RETURN_FALSE;
+	}
+
+	RETURN_STRING(buf, 1);
+}
+/* }}} */
+#endif
+
 /* {{{ proto string gethostbyaddr(string ip_address)
    Get the Internet host name corresponding to a given IP address */
 PHP_FUNCTION(gethostbyaddr)
@@ -134,6 +155,7 @@ PHP_FUNCTION(gethostbyaddr)
 }
 /* }}} */
 
+
 /* {{{ php_gethostbyaddr */
 static char *php_gethostbyaddr(char *ip)
 {
diff --git a/ext/standard/dns.h b/ext/standard/dns.h
index 38386879a1..3d1a1b21b9 100644
--- a/ext/standard/dns.h
+++ b/ext/standard/dns.h
@@ -31,6 +31,10 @@ PHP_FUNCTION(gethostbyaddr);
 PHP_FUNCTION(gethostbyname);
 PHP_FUNCTION(gethostbynamel);
 
+#ifdef HAVE_GETHOSTNAME
+PHP_FUNCTION(gethostname);
+#endif
+
 #if HAVE_RES_SEARCH && !(defined(__BEOS__)||defined(PHP_WIN32))
 
 PHP_FUNCTION(dns_check_record);
diff --git a/win32/build/config.w32.h.in b/win32/build/config.w32.h.in
index 820fe3fe8f..a2ebcec0f4 100644
--- a/win32/build/config.w32.h.in
+++ b/win32/build/config.w32.h.in
@@ -53,6 +53,7 @@
 /* its in win32/time.c */
 #define HAVE_USLEEP 1
 
+#define HAVE_GETHOSTNAME 1
 #define HAVE_GETCWD 1
 #define HAVE_POSIX_READDIR_R 1
 #define NEED_ISBLANK 1
-- 
2.50.1