initial import from bash_3.1dfsg.orig.tar.gz

1 files changed, 193 insertions, 0 deletions

diff --git a/xmalloc.c b/xmalloc.c
new file mode 100644
index 0000000..93d1928
--- /dev/null
+++ b/xmalloc.c
@@ -0,0 +1,193 @@
+/* xmalloc.c -- safe versions of malloc and realloc */
+
+/* Copyright (C) 1991 Free Software Foundation, Inc.
+
+   This file is part of GNU Readline, a library for reading lines
+   of text with interactive input and history editing.
+
+   Readline is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 2, or (at your option) any
+   later version.
+
+   Readline 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
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with Readline; see the file COPYING.  If not, write to the Free
+   Software Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */
+
+#if defined (HAVE_CONFIG_H)
+#include <config.h>
+#endif
+
+#include "bashtypes.h"
+#include <stdio.h>
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>
+#endif
+
+#if defined (HAVE_STDLIB_H)
+#  include <stdlib.h>
+#else
+#  include "ansi_stdlib.h"
+#endif /* HAVE_STDLIB_H */
+
+#include "error.h"
+
+#include "bashintl.h"
+
+#if !defined (PTR_T)
+#  if defined (__STDC__)
+#    define PTR_T void *
+#  else
+#    define PTR_T char *
+#  endif /* !__STDC__ */
+#endif /* !PTR_T */
+
+#if defined (HAVE_SBRK) && !HAVE_DECL_SBRK
+extern char *sbrk();
+#endif
+
+static PTR_T lbreak;
+static int brkfound;
+static size_t allocated;
+
+/* **************************************************************** */
+/*								    */
+/*		   Memory Allocation and Deallocation.		    */
+/*								    */
+/* **************************************************************** */
+
+#if defined (HAVE_SBRK)
+static size_t
+findbrk ()
+{
+  if (brkfound == 0)
+    {
+      lbreak = (PTR_T)sbrk (0);
+      brkfound++;
+    }
+  return (char *)sbrk (0) - (char *)lbreak;
+}
+#endif
+
+/* Return a pointer to free()able block of memory large enough
+   to hold BYTES number of bytes.  If the memory cannot be allocated,
+   print an error message and abort. */
+PTR_T
+xmalloc (bytes)
+     size_t bytes;
+{
+  PTR_T temp;
+
+  temp = malloc (bytes);
+
+  if (temp == 0)
+    {
+#if defined (HAVE_SBRK)
+      allocated = findbrk ();
+      fatal_error (_("xmalloc: cannot allocate %lu bytes (%lu bytes allocated)"), (unsigned long)bytes, (unsigned long)allocated);
+#else
+      fatal_error (_("xmalloc: cannot allocate %lu bytes"), (unsigned long)bytes);
+#endif /* !HAVE_SBRK */
+    }
+
+  return (temp);
+}
+
+PTR_T
+xrealloc (pointer, bytes)
+     PTR_T pointer;
+     size_t bytes;
+{
+  PTR_T temp;
+
+  temp = pointer ? realloc (pointer, bytes) : malloc (bytes);
+
+  if (temp == 0)
+    {
+#if defined (HAVE_SBRK)
+      allocated = findbrk ();
+      fatal_error (_("xrealloc: cannot reallocate %lu bytes (%lu bytes allocated)"), (unsigned long)bytes, (unsigned long)allocated);
+#else
+      fatal_error (_("xrealloc: cannot allocate %lu bytes"), (unsigned long)bytes);
+#endif /* !HAVE_SBRK */
+    }
+
+  return (temp);
+}
+
+/* Use this as the function to call when adding unwind protects so we
+   don't need to know what free() returns. */
+void
+xfree (string)
+     PTR_T string;
+{
+  if (string)
+    free (string);
+}
+
+#ifdef USING_BASH_MALLOC
+#include <malloc/shmalloc.h>
+
+PTR_T
+sh_xmalloc (bytes, file, line)
+     size_t bytes;
+     char *file;
+     int line;
+{
+  PTR_T temp;
+
+  temp = sh_malloc (bytes, file, line);
+
+  if (temp == 0)
+    {
+#if defined (HAVE_SBRK)
+      allocated = findbrk ();
+      fatal_error (_("xmalloc: %s:%d: cannot allocate %lu bytes (%lu bytes allocated)"), file, line, (unsigned long)bytes, (unsigned long)allocated);
+#else
+      fatal_error (_("xmalloc: %s:%d: cannot allocate %lu bytes"), file, line, (unsigned long)bytes);
+#endif /* !HAVE_SBRK */
+    }
+
+  return (temp);
+}
+
+PTR_T
+sh_xrealloc (pointer, bytes, file, line)
+     PTR_T pointer;
+     size_t bytes;
+     char *file;
+     int line;
+{
+  PTR_T temp;
+
+  temp = pointer ? sh_realloc (pointer, bytes, file, line) : sh_malloc (bytes, file, line);
+
+  if (temp == 0)
+    {
+#if defined (HAVE_SBRK)
+      allocated = findbrk ();
+      fatal_error (_("xrealloc: %s:%d: cannot reallocate %lu bytes (%lu bytes allocated)"), file, line, (unsigned long)bytes, (unsigned long)allocated);
+#else
+      fatal_error (_("xrealloc: %s:%d: cannot allocate %lu bytes"), file, line, (unsigned long)bytes);
+#endif /* !HAVE_SBRK */
+    }
+
+  return (temp);
+}
+
+void
+sh_xfree (string, file, line)
+     PTR_T string;
+     char *file;
+     int line;
+{
+  if (string)
+    sh_free (string, file, line);
+}
+#endif