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-rw-r--r--stdio-common/scanf4.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/stdio-common/scanf4.c b/stdio-common/scanf4.c
new file mode 100644
index 0000000000..b624b69d98
--- /dev/null
+++ b/stdio-common/scanf4.c
@@ -0,0 +1,30 @@
+#include <stdio.h>
+
+int main(int arc, char *argv)
+{
+ int n, res;
+ unsigned int val;
+
+ FILE *fp = fopen ("/dev/null", "r");
+
+ val = 0;
+ res = fscanf(fp, "%n", &val);
+
+ printf("Result of fscanf %%n = %d\n", res);
+ printf("Scanned format = %d\n", val);
+
+ res = fscanf(fp, "");
+ printf("Result of fscanf \"\" = %d\n", res);
+ if (res != 0)
+ abort ();
+
+ res = fscanf(fp, "BLURB");
+ printf("Result of fscanf \"BLURB\" = %d\n", res);
+ if (res >= 0)
+ abort ();
+
+ fclose (fp);
+
+ return 0;
+ return 0;
+}