Fix return value of pcntl_wextistatus() (fixes #47566,

patch by james at jamesreno dot com)

ext/pcntl/pcntl.c

@@ -607,9 +607,7 @@ PHP_FUNCTION(pcntl_wexitstatus)
 	       return;
 	}
 
-	/* WEXITSTATUS only returns 8 bits so we *MUST* cast this to signed char
-	   if you want to have valid negative exit codes */
-	RETURN_LONG((signed char) WEXITSTATUS(status_word));
+	RETURN_LONG(WEXITSTATUS(status_word));
 #else
 	RETURN_FALSE;
 #endif

ext/pcntl/tests/001.phpt

@@ -73,7 +73,7 @@ test_stop_signal();
 Staring wait.h tests....
 
 Testing pcntl_wifexited and wexitstatus....
-Exited With: -1
+Exited With: 255
 
 Testing pcntl_wifsignaled....
 Process was terminated by signal : SIGTERM

ext/pcntl/tests/bug47566.phpt

@@ -0,0 +1,19 @@
+--TEST--
+Bug #47566 (return value of pcntl_wexitstatus())
+--SKIPIF--
+<?php if (!extension_loaded("pcntl")) print "skip"; ?>
+--FILE--
+<?
+$pid = pcntl_fork();
+if ($pid == -1) {
+ echo "Unable to fork";
+ exit;
+} elseif ($pid) {
+ $epid = pcntl_waitpid(-1,$status);
+ var_dump(pcntl_wexitstatus($status));
+} else {
+ exit(128);
+}
+?>
+--EXPECT--
+int(128)