Use php_syslog() for system call. On OpenServer 5, syslog is defined to

var_syslog/sys_syslog which causes various problems.

Submitted by: Paul Gardiner <I.T.Manager@barleychalu.co.uk>

Author: Sascha Schumann

ext/standard/syslog.c

@@ -252,7 +252,7 @@ PHP_FUNCTION(syslog)
 	 * this will cause problems.
 	 */
 
-	syslog((*priority)->value.lval, (*message)->value.str.val);
+	php_syslog((*priority)->value.lval, (*message)->value.str.val);
 	RETURN_TRUE;
 }
 /* }}} */

main/main.c

@@ -53,11 +53,9 @@
 #ifdef PHP_WIN32
 #include <io.h>
 #include <fcntl.h>
-#include "win32/syslog.h"
 #include "win32/php_registry.h"
-#else
-#include <syslog.h>
 #endif
+#include "php_syslog.h"
 
 #if PHP_SIGCHILD
 #include <sys/types.h>
@@ -251,9 +249,9 @@ void php_log_err(char *log_message)
 
 	/* Try to use the specified logging location. */
 	if (PG(error_log) != NULL) {
-#if HAVE_SYSLOG_H
+#ifdef HAVE_SYSLOG_H
 		if (!strcmp(PG(error_log), "syslog")) {
-			syslog(LOG_NOTICE, log_message);
+			php_syslog(LOG_NOTICE, log_message);
 			return;
 		}
 #endif

main/php_syslog.h

@@ -0,0 +1,33 @@
+#ifndef PHP_SYSLOG_H
+#define PHP_SYSLOG_H
+
+#ifdef PHP_WIN32
+#include "win32/syslog.h"
+#include "win32/php_registry.h"
+#else
+#include <syslog.h>
+#endif
+
+/*
+ * SCO OpenServer 5 defines syslog to var_syslog/sys_syslog which
+ * causes trouble with our use of syslog. We define php_syslog
+ * to be the system function syslog.
+ */
+
+#ifdef syslog
+
+#if defined(var_syslog) && var_syslog == syslog
+#define php_syslog var_syslog
+#elif defined(sys_syslog) && sys_syslog == syslog
+#define php_syslog sys_syslog
+#endif
+
+#endif
+
+#ifndef php_syslog
+#define php_syslog syslog
+#undef syslog
+#endif
+
+
+#endif