Avoid conflicting prototypes for strsignal()

[exim.git] / src / src / osfunctions.h

diff --git a/src/src/osfunctions.h b/src/src/osfunctions.h
index 7631540f2a8a88e4d06c4928981c1acccd42ab1d..a6cec0dc2f5a11bef0960d8a985f09d319b031fe 100644 (file)
--- a/src/src/osfunctions.h
+++ b/src/src/osfunctions.h
@@ -1,10 +1,10 @@
-/* $Cambridge: exim/src/src/osfunctions.h,v 1.4 2007/01/08 10:50:18 ph10 Exp $ */
+/* $Cambridge: exim/src/src/osfunctions.h,v 1.5 2009/11/16 19:50:37 nm4 Exp $ */
 
 /*************************************************
 *     Exim - an Internet mail transport agent    *
 *************************************************/
 
-/* Copyright (c) University of Cambridge 1995 - 2007 */
+/* Copyright (c) University of Cambridge 1995 - 2009 */
 /* See the file NOTICE for conditions of use and distribution. */
 
 /* Prototypes for os-specific functions. For utilities, we don't need the one
@@ -14,10 +14,15 @@ that uses a type that isn't defined for them. */
 extern ip_address_item *os_common_find_running_interfaces(void);
 #endif
 
-extern int     os_getloadavg(void);
-extern void    os_restarting_signal(int, void (*)(int));
-extern void    os_non_restarting_signal(int, void (*)(int));
-extern char   *os_strexit(int);     /* char to match os_strsignal */
-extern char   *os_strsignal(int);   /* char to match strsignal in some OS */
+extern int           os_getloadavg(void);
+extern void          os_restarting_signal(int, void (*)(int));
+extern void          os_non_restarting_signal(int, void (*)(int));
+extern const char   *os_strexit(int);     /* char to match os_strsignal */
+
+/* When os_strsignal aliases to a system function, don't define an
+additional prototype */
+#ifndef os_strsignal
+extern const char   *os_strsignal(int);   /* char to match strsignal in some OS */
+#endif
 
 /* End of osfunctions.h */