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authorPer Bothner <per@bothner.com>1994-01-16 03:39:57 +0000
committerPer Bothner <per@bothner.com>1994-01-16 03:39:57 +0000
commit5e98bbab1738932aeeb251684bba6aa550f5885a (patch)
treee51fd93e8d56b82ea1e55ab8cece5ecb2c0af014 /readline/xmalloc.c
parent8b564df836ca7baffe636c1a16658cdcb6388080 (diff)
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Merge in changes from bash-1.13. The most obvious one is
that the file readline.c has been split into multiple files. * bind.c, complete.c, dispay.c, isearch.c, parens.c, rldefs.h, rltty.c, search.c signals.c, tilde.c, tilde.h, xmalloc.c: New files.
Diffstat (limited to 'readline/xmalloc.c')
-rw-r--r--readline/xmalloc.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/readline/xmalloc.c b/readline/xmalloc.c
new file mode 100644
index 0000000..0ed49dd
--- /dev/null
+++ b/readline/xmalloc.c
@@ -0,0 +1,76 @@
+/* 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 1, 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, 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+#if defined (ALREADY_HAVE_XMALLOC)
+#else
+#include <stdio.h>
+
+#if defined (HAVE_STDLIB_H)
+# include <stdlib.h>
+#endif /* HAVE_STDLIB_H */
+
+static void memory_error_and_abort ();
+
+/* **************************************************************** */
+/* */
+/* Memory Allocation and Deallocation. */
+/* */
+/* **************************************************************** */
+
+/* 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. */
+char *
+xmalloc (bytes)
+ int bytes;
+{
+ char *temp = (char *)malloc (bytes);
+
+ if (!temp)
+ memory_error_and_abort ("xmalloc");
+ return (temp);
+}
+
+char *
+xrealloc (pointer, bytes)
+ char *pointer;
+ int bytes;
+{
+ char *temp;
+
+ if (!pointer)
+ temp = (char *)malloc (bytes);
+ else
+ temp = (char *)realloc (pointer, bytes);
+
+ if (!temp)
+ memory_error_and_abort ("xrealloc");
+ return (temp);
+}
+
+static void
+memory_error_and_abort (fname)
+ char *fname;
+{
+ fprintf (stderr, "%s: Out of virtual memory!\n", fname);
+ abort ();
+}
+#endif /* !ALREADY_HAVE_XMALLOC */