1 files changed, 105 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/lddlibc4.c b/REORG.TODO/sysdeps/unix/sysv/linux/lddlibc4.c
new file mode 100644
index 0000000000..25c4cb960a
--- /dev/null
+++ b/REORG.TODO/sysdeps/unix/sysv/linux/lddlibc4.c
@@ -0,0 +1,105 @@
+/* Stub for ldd script to print Linux libc4 dependencies.
+   Copyright (C) 1998-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/* This code is based on the `ldd' program code from the Linux ld.so
+   package.  */
+
+#include <a.out.h>
+#include <errno.h>
+#include <error.h>
+#include <libintl.h>
+#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+/* Get libc version number.  */
+#include "../version.h"
+
+#define PACKAGE _libc_intl_domainname
+
+
+int
+main (int argc, char *argv[])
+{
+  const char *filename;
+  size_t filename_len;
+  struct exec exec;
+  char *buf;
+  FILE *fp;
+
+  /* Set locale via LC_ALL.  */
+  setlocale (LC_ALL, "");
+
+  /* Set the text message domain.  */
+  textdomain (PACKAGE);
+
+  /* We expect exactly one argument.  */
+  if (argc != 2)
+    return 1;
+
+  if (strcmp (argv[1], "--help") == 0)
+    {
+      printf (gettext ("Usage: lddlibc4 FILE\n\n"));
+      printf (gettext ("For bug reporting instructions, please see:\n\
+%s.\n"), REPORT_BUGS_TO);
+      return 0;
+    }
+  else if (strcmp (argv[1], "--version") == 0)
+    {
+      printf ("lddlibc4 %s%s\n", PKGVERSION, VERSION);
+      printf (gettext ("\
+Copyright (C) %s Free Software Foundation, Inc.\n\
+This is free software; see the source for copying conditions.  There is NO\n\
+warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n\
+"), "2017");
+      return 0;
+    }
+
+  filename = argv[1];
+
+  /* First see whether this is really an a.out binary.  */
+  fp = fopen (filename, "rb");
+  if (fp == NULL)
+    error (2, errno, gettext ("cannot open `%s'"), filename);
+
+  /* Read the program header.  */
+  if (fread (&exec, sizeof exec, 1, fp) < 1)
+    error (2, errno, gettext ("cannot read header from `%s'"), filename);
+
+  /* Test for the magic numbers.  */
+  if (N_MAGIC (exec) != ZMAGIC && N_MAGIC (exec) != QMAGIC
+      && N_MAGIC (exec) != OMAGIC)
+    exit (3);
+
+  /* We don't need the file open anymore.  */
+  fclose (fp);
+
+  /* We must put `__LDD_ARGV0=<program-name>' in the environment.  */
+  filename_len = strlen (filename);
+  buf = (char *) alloca (sizeof "__LDD_ARGV0=" + filename_len);
+  mempcpy (mempcpy (buf, "__LDD_ARGV0=", sizeof "__LDD_ARGV0=" - 1),
+	   filename, filename_len + 1);
+  /* ...and put the value in the environment.  */
+  putenv (buf);
+
+  /* Now we can execute the binary.  */
+  return execv (filename, &argv[argc]) ? 4 : 0;
+}