[Feature][T106]ZXW P56U09 code

Only Configure: Yes
Affected branch: master
Affected module: unknow
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: No
Doc Update: No

Change-Id: I3cbd8b420271eb20c2b40ebe5c78f83059cd42f3
diff --git a/ap/libc/glibc/glibc-2.23/stdio-common/bug4.c b/ap/libc/glibc/glibc-2.23/stdio-common/bug4.c
new file mode 100644
index 0000000..a037786
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/stdio-common/bug4.c
@@ -0,0 +1,48 @@
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+
+int stdio_block_read = 1, stdio_block_write = 1;
+
+int
+main (int argc, char *argv[])
+{
+  FILE *f;
+  int i;
+  char buffer[31];
+  const char filename[] = "/tmp/bug4.test";
+
+  while ((i = getopt (argc, argv, "rw")) != -1)
+    switch (i)
+      {
+      case 'r':
+	stdio_block_read = 0;
+	break;
+      case 'w':
+	stdio_block_write = 0;
+	break;
+      }
+
+  f = fopen (filename, "w+");
+  for (i = 0; i < 9000; ++i)
+    putc('x', f);
+
+  fseek (f, 8180L, 0);
+  fwrite ("Where does this text come from?", 1, 31, f);
+  fseek (f, 8180L, 0);
+  fread (buffer, 1, 31, f);
+  fwrite (buffer, 1, 31, stdout);
+  fclose (f);
+  remove (filename);
+
+  if (!memcmp (buffer, "Where does this text come from?", 31))
+    {
+      puts ("\nTest succeeded.");
+      return 0;
+    }
+  else
+    {
+      puts ("\nTest FAILED!");
+      return 1;
+    }
+}