From 03edfa1677a0827a0d391a54213b5c485105ac08 Mon Sep 17 00:00:00 2001
From: Ilia Alshanetsky <iliaa@php.net>
Date: Mon, 24 May 2004 17:02:31 +0000
Subject: MFH: Fixed bug #28508 (Do not make hypot() available if not supported
 by libc).

---
 NEWS                           | 2 ++
 ext/standard/basic_functions.c | 2 ++
 ext/standard/math.c            | 4 ++--
 ext/standard/php_math.h        | 2 ++
 4 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/NEWS b/NEWS
index 162244a106..e7e52dc0b9 100644
--- a/NEWS
+++ b/NEWS
@@ -13,6 +13,8 @@ PHP 4                                                                      NEWS
 - Fixed bug #28456 (Problem with enclosed / in uploaded files). (Antony)
 - Fixed logic bug in session_register() which allowed registering _SESSION
   and/or HTTP_SESSION_VARS. (Sara)
+- Fixed bug #28508 (Do not make hypot() available if not supported by libc).
+  (Ilia)
 - Fixed bug #28386 (wordwrap() wraps lines 1 character too soon). (Ilia)
 - Fixed bug #28374 (Possible unterminated loop inside 
   _php_pgsql_trim_message()). (Ilia)
diff --git a/ext/standard/basic_functions.c b/ext/standard/basic_functions.c
index 5e4e20d13e..731ddd4942 100644
--- a/ext/standard/basic_functions.c
+++ b/ext/standard/basic_functions.c
@@ -494,7 +494,9 @@ function_entry basic_functions[] = {
 	PHP_FE(log,																NULL)
 	PHP_FE(log10,															NULL)
 	PHP_FE(sqrt,															NULL)
+#ifdef HAVE_HYPOT
 	PHP_FE(hypot,															NULL)
+#endif	
 	PHP_FE(deg2rad,															NULL)
 	PHP_FE(rad2deg,															NULL)
 	PHP_FE(bindec,															NULL)
diff --git a/ext/standard/math.c b/ext/standard/math.c
index 76797a8e7b..49970d4683 100644
--- a/ext/standard/math.c
+++ b/ext/standard/math.c
@@ -622,9 +622,9 @@ PHP_FUNCTION(sqrt)
    disappear in the next version of PHP!
 */
 
+#ifdef HAVE_HYPOT
 PHP_FUNCTION(hypot)
 {
-#ifdef HAVE_HYPOT
 	zval **num1, **num2;
 
 	if (ZEND_NUM_ARGS() != 2 || zend_get_parameters_ex(2, &num1, &num2) == FAILURE) {
@@ -634,8 +634,8 @@ PHP_FUNCTION(hypot)
 	convert_to_double_ex(num2);
 	Z_DVAL_P(return_value) = hypot(Z_DVAL_PP(num1), Z_DVAL_PP(num2));
 	Z_TYPE_P(return_value) = IS_DOUBLE;
-#endif
 }
+#endif
 
 /* }}} */
 
diff --git a/ext/standard/php_math.h b/ext/standard/php_math.h
index 12e8224a12..4b1620196a 100644
--- a/ext/standard/php_math.h
+++ b/ext/standard/php_math.h
@@ -66,7 +66,9 @@ PHP_FUNCTION(rad2deg);
    WARNING: these functions are expermental: they could change their names or 
    disappear in the next version of PHP!
    */
+#ifdef HAVE_HYPOT
 PHP_FUNCTION(hypot);
+#endif
 PHP_FUNCTION(expm1);
 PHP_FUNCTION(log1p);
 
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