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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 06:17:24 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 06:17:24 +0000 |
commit | 9d8085074991d5c0a42d6fc96a2d1a3ee918aad1 (patch) | |
tree | c85bca1e6c11eb872edfc64c524d20f2b7e3307b /lib/malloc/xmalloc.c | |
parent | Initial commit. (diff) | |
download | bash-upstream.tar.xz bash-upstream.zip |
Adding upstream version 5.1.upstream/5.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | lib/malloc/xmalloc.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/lib/malloc/xmalloc.c b/lib/malloc/xmalloc.c new file mode 100644 index 0000000..f6dec67 --- /dev/null +++ b/lib/malloc/xmalloc.c @@ -0,0 +1,94 @@ +/* xmalloc.c -- safe versions of malloc and realloc */ + +/* Copyright (C) 1991-2003 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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>. +*/ + +#if defined (HAVE_CONFIG_H) +#include <config.h> +#endif + +#include <stdio.h> + +#if defined (HAVE_STDLIB_H) +# include <stdlib.h> +#else +# include "ansi_stdlib.h" +#endif /* HAVE_STDLIB_H */ + +/* Generic pointer type. */ +#ifndef PTR_T + +#if defined (__STDC__) +# define PTR_T void * +#else +# define PTR_T char * +#endif + +#endif /* PTR_T */ + +/* **************************************************************** */ +/* */ +/* Memory Allocation and Deallocation. */ +/* */ +/* **************************************************************** */ + +static void +memory_error_and_abort (fname) + char *fname; +{ + fprintf (stderr, "%s: out of virtual memory\n", fname); + exit (2); +} + +/* 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) + memory_error_and_abort ("xmalloc"); + 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) + memory_error_and_abort ("xrealloc"); + return (temp); +} + +void +xfree (string) + PTR_T string; +{ + if (string) + free (string); +} |