Hi,
I've just stumbled over this gcc warning while building OpenSSH:
openbsd-compat/bsd-setres_id.c:41:3: warning: implicit declaration of function ?strerror? [-Wimplicit-function-declaration]
error("setregid %u: %.100s", rgid, strerror(errno));
^
openbsd-compat/bsd-setres_id.c:41:3: warning: format ?%s? expects argument of type ?char *?, but argument 3 has type ?int? [-Wformat=]
This almost certainly results in a crash on systems with
sizeof(char*) > sizeof(int), like on practically all 64 bit systems.
This simple patch fixes it:
Index: openbsd-compat/bsd-setres_id.c
===================================================================
RCS file: /cvs/openssh/openbsd-compat/bsd-setres_id.c,v
retrieving revision 1.1
diff -u -p -r1.1 bsd-setres_id.c
--- openbsd-compat/bsd-setres_id.c 5 Nov 2012 06:04:37 -0000 1.1
+++ openbsd-compat/bsd-setres_id.c 7 Dec 2013 10:57:31 -0000
@@ -22,6 +22,7 @@
#include <stdarg.h>
#include <unistd.h>
+#include <string.h>
#include "log.h"
Hope that helps,
Corinna
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