new test system

[libc-test] / src / regression / printf-fmt-n.c

diff --git a/src/regression/printf-fmt-n.c b/src/regression/printf-fmt-n.c
new file mode 100644 (file)
index 0000000..4d1c572
--- /dev/null
+++ b/src/regression/printf-fmt-n.c
@@ -0,0 +1,34 @@
+// commit: 5cbd76c6b05b381f269e0e204e10690d69f1d6ea 2011-02-16
+// commit: bdc9ed15651b70e89f83c5a9f7d1ba349e624503 2011-02-20
+// printf %n fmt
+#include <stdint.h>
+#include <stdio.h>
+#include "test.h"
+
+#define T(n,nfmt,fmt) do { \
+       if ((ret = sprintf(buf, "%256d%d" nfmt "%d", 1, 2, &n, 3)) != 258) \
+               t_error("expexted sprintf to write 258 chars, got %d\n", ret); \
+       if (n != 257) \
+               t_error("%%n format failed: wanted 257, got " fmt "\n", n); \
+} while(0)
+
+int main(void)
+{
+       char buf[1024];
+       int ret;
+       int i;
+       long l;
+       long long ll;
+       short h;
+       size_t z;
+       uintmax_t j;
+
+       T(i,    "%n",   "%d");
+       T(l,   "%ln",  "%ld");
+       T(ll, "%lln", "%lld");
+       T(h,   "%hn",   "%d");
+       T(z,   "%zn",  "%zd");
+       T(j,   "%jn",  "%jd");
+
+       return t_status;
+}