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-rw-r--r--test/misc/stdarg.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/test/misc/stdarg.c b/test/misc/stdarg.c
new file mode 100644
index 000000000..ca723355a
--- /dev/null
+++ b/test/misc/stdarg.c
@@ -0,0 +1,19 @@
+/* copied from rsync */
+
+#include <sys/types.h>
+#include <stdarg.h>
+void foo(const char *format, ...) {
+ va_list ap;
+ int len;
+ char buf[5];
+
+ va_start(ap, format);
+ len = vsnprintf(0, 0, format, ap);
+ va_end(ap);
+ if (len != 5) exit(1);
+
+ if (snprintf(buf, 3, "hello") != 5 || strcmp(buf, "he") != 0) exit(1);
+
+ exit(0);
+}
+int main() { foo("hello"); }