Michael Bruck: 64 bit va_list fix for crash

git-svn-id: svn://svn.berlios.de/openocd/trunk@451 b42882b7-edfa-0310-969c-e2dbd0fdcd60

diff --git a/src/helper/log.c b/src/helper/log.c
index b38987232eb290b06533bf03d367c0eb07a7e6ed..5127a3731ab28fd06f0bb6193a1ad286c98ad5e7 100644 (file)
--- a/src/helper/log.c
+++ b/src/helper/log.c
@@ -284,9 +284,12 @@ char *alloc_printf(const char *fmt, va_list ap)
                                        free(t);
                                return NULL;
                        }
-       
+
+               va_list ap_copy;                
+               va_copy(ap_copy, ap);
+
                int ret;
-               ret = vsnprintf(string, size, fmt, ap);
+               ret = vsnprintf(string, size, fmt, ap_copy);
                /* NB! The result of the vsnprintf() might be an *EMPTY* string! */
                if ((ret >= 0) && ((ret + 1) < size))
                        break;