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-rw-r--r--source4/build/m4/rewrite.m46
1 files changed, 5 insertions, 1 deletions
diff --git a/source4/build/m4/rewrite.m4 b/source4/build/m4/rewrite.m4
index 058cfade3b..c6af661c43 100644
--- a/source4/build/m4/rewrite.m4
+++ b/source4/build/m4/rewrite.m4
@@ -452,7 +452,9 @@ AC_TRY_RUN([
void foo(const char *format, ...) {
va_list ap;
int len;
- char buf[5];
+ char buf[20];
+ long long l = 1234567890;
+ l *= 100;
va_start(ap, format);
len = vsnprintf(buf, 0, format, ap);
@@ -466,6 +468,8 @@ void foo(const char *format, ...) {
if (snprintf(buf, 3, "hello") != 5 || strcmp(buf, "he") != 0) exit(1);
+ if (snprintf(buf, 20, "%lld", l) != 12 || strcmp(buf, "123456789000") != 0) exit(1);
+
exit(0);
}
main() { foo("hello"); }