new test system

[libc-test] / src / regression / scanf-bytes-consumed.c

diff --git a/src/regression/scanf-bytes-consumed.c b/src/regression/scanf-bytes-consumed.c
new file mode 100644 (file)
index 0000000..d4e30e4
--- /dev/null
+++ b/src/regression/scanf-bytes-consumed.c
@@ -0,0 +1,19 @@
+// commit: 5efc6af4ebb9d50eb978d0338835544fdfea0396 2011-04-25
+// scanf misreports bytes consumed when EOF is hit (or null for sscanf)
+#include <stdio.h>
+#include "test.h"
+
+int main(void)
+{
+       char buf[] = { 'a', 'a', 0 };
+       char dest[3];
+       int read_count;
+       int n;
+
+       n = sscanf(buf, "%s%n", dest, &read_count);
+       if(n != 1)
+               t_error("sscanf matched 1 input items but returned %d\n", n);
+       if(read_count != 2)
+               t_error("sscanf consumed 2 bytes but reported %d\n", read_count);
+       return t_status;
+}