1 files changed, 50 insertions, 0 deletions
diff --git a/stdio/bug4.c b/stdio/bug4.c
new file mode 100644
index 0000000000..8e67f1d7b9
--- /dev/null
+++ b/stdio/bug4.c
@@ -0,0 +1,50 @@
+#ifdef _LIBC
+#include <ansidecl.h>
+#endif
+#include <stdio.h>
+#include <unistd.h>
+#include <string.h>
+
+int stdio_block_read = 1, stdio_block_write = 1;
+
+int
+DEFUN(main, (argc, argv),
+      int argc AND char **argv)
+{
+  FILE *f;
+  int i;
+  char buffer[31];
+
+  while ((i = getopt (argc, argv, "rw")) != EOF)
+    switch (i)
+      {
+      case 'r':
+	stdio_block_read = 0;
+	break;
+      case 'w':
+	stdio_block_write = 0;
+	break;
+      }
+
+  f = fopen("bugtest", "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);
+
+  if (!memcmp (buffer, "Where does this text come from?", 31))
+    {
+      puts ("\nTest succeeded.");
+      return 0;
+    }
+  else
+    {
+      puts ("\nTest FAILED!");
+      return 1;
+    }
+}