1 files changed, 60 insertions, 0 deletions
diff --git a/stdio/bug5.c b/stdio/bug5.c
new file mode 100644
index 0000000000..218af31352
--- /dev/null
+++ b/stdio/bug5.c
@@ -0,0 +1,60 @@
+/* If stdio is working correctly, after this is run infile and outfile
+   will have the same contents.  If the bug (found in GNU C library 0.3)
+   exhibits itself, outfile will be missing the 2nd through 1023rd
+   characters.  */
+
+#include <ansidecl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+static char buf[8192];
+
+int
+DEFUN_VOID(main)
+{
+  FILE *in;
+  FILE *out;
+  static char inname[] = "infile";
+  static char outname[] = "outfile";
+  int i;
+
+  /* Create a test file.  */
+  in = fopen (inname, "w+");
+  if (in == NULL)
+    {
+      perror (inname);
+      return 1;
+    }
+  for (i = 0; i < 1000; ++i)
+    fprintf (in, "%d\n", i);
+
+  out = fopen (outname, "w");
+  if (out == NULL)
+    {
+      perror (outname);
+      return 1;
+    }
+  if (fseek (in, 0L, SEEK_SET) != 0)
+    abort ();
+  putc (getc (in), out);
+  i = fread (buf, 1, sizeof (buf), in);
+  if (i == 0)
+    {
+      perror ("fread");
+      return 1;
+    }
+  if (fwrite (buf, 1, i, out) != i)
+    {
+      perror ("fwrite");
+      return 1;
+    }
+  fclose (in);
+  fclose (out);
+
+  puts ("There should be no further output from this test.");
+  fflush (stdout);
+  execlp ("cmp", "cmp", inname, outname, (char *) NULL);
+  perror ("execlp: cmp");
+  exit (1);
+}