* Makefile (subdirs): Replace stdio with stdio-common and $(stdio).

	* configure.in: Grok arg --enable-libio.
	($stdio = libio): Define USE_IN_LIBIO.
	* config.h.in (USE_IN_LIBIO): Add #undef.
	* config.make.in (stdio): New variable, set by configure.
	* Makeconfig (stdio): New variable.
	* stdio.h [USE_IN_LIBIO]: Include libio/stdio.h instead of
	stdio/stdio.h.
	* stdio-common/Makefile: New file.
	* stdio/Makefile: Half the contents moved to stdio-common/Makefile.
	* stdio/_itoa.c: Moved to stdio-common.
	* stdio/_itoa.h: Moved to stdio-common.
	* stdio/asprintf.c: Moved to stdio-common.
	* stdio/bug1.c: Moved to stdio-common.
	* stdio/bug1.input: Moved to stdio-common.
	* stdio/bug2.c: Moved to stdio-common.
	* stdio/bug3.c: Moved to stdio-common.
	* stdio/bug4.c: Moved to stdio-common.
	* stdio/bug5.c: Moved to stdio-common.
	* stdio/bug6.c: Moved to stdio-common.
	* stdio/bug6.input: Moved to stdio-common.
	* stdio/bug7.c: Moved to stdio-common.
	* stdio/dprintf.c: Moved to stdio-common.
	* stdio/errnobug.c: Moved to stdio-common.
	* stdio/getline.c: Moved to stdio-common.
	* stdio/getw.c: Moved to stdio-common.
	* stdio/perror.c: Moved to stdio-common.
	* stdio/printf-parse.h: Moved to stdio-common.
	* stdio/printf-prs.c: Moved to stdio-common.
	* stdio/printf.c: Moved to stdio-common.
	* stdio/printf.h: Moved to stdio-common.
	* stdio/printf_fp.c: Moved to stdio-common.
	* stdio/psignal.c: Moved to stdio-common.
	* stdio/putw.c: Moved to stdio-common.
	* stdio/reg-printf.c: Moved to stdio-common.
	* stdio/scanf.c: Moved to stdio-common.
	* stdio/snprintf.c: Moved to stdio-common.
	* stdio/sprintf.c: Moved to stdio-common.
	* stdio/sscanf.c: Moved to stdio-common.
	* stdio/tempnam.c: Moved to stdio-common.
	* stdio/temptest.c: Moved to stdio-common.
	* stdio/test-fseek.c: Moved to stdio-common.
	* stdio/test-fwrite.c: Moved to stdio-common.
	* stdio/test-popen.c: Moved to stdio-common.
	* stdio/test_rdwr.c: Moved to stdio-common.
	* stdio/tmpfile.c: Moved to stdio-common.
	* stdio/tmpnam.c: Moved to stdio-common.
	* stdio/tst-fileno.c: Moved to stdio-common.
	* stdio/tst-printf.c: Moved to stdio-common.
	* stdio/tstgetln.c: Moved to stdio-common.
	* stdio/tstgetln.input: Moved to stdio-common.
	* stdio/tstscanf.c: Moved to stdio-common.
	* stdio/tstscanf.input: Moved to stdio-common.
	* stdio/vfprintf.c: Moved to stdio-common.
	* stdio/vfscanf.c: Moved to stdio-common.
	* stdio/vprintf.c: Moved to stdio-common.
	* stdio/xbug.c: Moved to stdio-common.
	* sysdeps/generic/Makefile (siglist.c rules): Do this in subdir
	stdio-common instead of stdio.
	* sysdeps/unix/Makefile (errlist.c rules): Likewise.
	* stdio-common/asprintf.c [USE_IN_LIBIO]: Call libio primitive
	function.
	* stdio-common/dprintf.c: Likewise.
	* stdio-common/printf.c: Likewise.
	* stdio-common/scanf.c: Likewise.
	* stdio-common/snprintf.c: Likewise.
	* stdio-common/sprintf.c: Likewise.
	* stdio-common/sscanf.c: Likewise.
	* stdio-common/vprintf.c: Likewise.

	* Makerules: Include $(+depfiles) directly instead of generating
	depend-$(subdir).
	(depend-$(subdir)): Target removed.
	(common-clean): Don't remove depend-$(subdir).

1 files changed, 60 insertions, 0 deletions

diff --git a/stdio-common/bug5.c b/stdio-common/bug5.c
new file mode 100644
index 0000000000..18f069ae29
--- /dev/null
+++ b/stdio-common/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[] = "/tmp/bug5.in";
+  static char outname[] = "/tmp/bug5.out";
+  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);
+}