MFB snprintf test

diff --git a/acinclude.m4 b/acinclude.m4
index ae39f130cbb993c2724e2be441151df307589175..0949e4b43730aee35df359b5ee442896c659b770 100644 (file)
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -1119,7 +1119,9 @@ main() {
        int res = 0;
        res = res || (snprintf(buf, 2, "marcus") != 6); 
        res = res || (buf[1] != '\0');
-       res = res || (snprintf(buf, 0, "boerger") != 7);
+       /* Implementations may consider this as an encoding error */
+       snprintf(buf, 0, "boerger");
+       /* However, they MUST ignore the pointer */
        res = res || (buf[0] != 'm');
        res = res || (snprintf(NULL, 0, "boerger") != 7);
        res = res || (snprintf(buf, sizeof(buf), "%f", 0.12345678) != 8);