bugfix

[r27481]

diff --git a/ir/obstack/obstack_printf.c b/ir/obstack/obstack_printf.c
index a8b5a98..9d92092 100644 (file)
--- a/ir/obstack/obstack_printf.c
+++ b/ir/obstack/obstack_printf.c
@@ -16,7 +16,7 @@ int obstack_vprintf(struct obstack *obst, const char *fmt, va_list ap)
        int     len;
 
        for (;;) {
-               len = vsnprintf(buffer, sizeof(buffer), fmt, ap);
+               len = vsnprintf(buffer, size, fmt, ap);
 
                /* snprintf should return -1 only in the error case, but older glibcs
                 * and probably other systems are buggy in this respect and return -1 if