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authorobrien <obrien@FreeBSD.org>2002-02-01 18:16:02 +0000
committerobrien <obrien@FreeBSD.org>2002-02-01 18:16:02 +0000
commitc9ab9ae440a8066b2c2b85b157b1fdadcf09916a (patch)
tree086d9d6c8fbd4fc8fe4495059332f66bc0f8d12b /contrib/gcc/varray.c
parent2ecfd8bd04b63f335c1ec6295740a4bfd97a4fa6 (diff)
downloadFreeBSD-src-c9ab9ae440a8066b2c2b85b157b1fdadcf09916a.zip
FreeBSD-src-c9ab9ae440a8066b2c2b85b157b1fdadcf09916a.tar.gz
Enlist the FreeBSD-CURRENT users as testers of what is to become Gcc 3.1.0.
These bits are taken from the FSF anoncvs repo on 1-Feb-2002 08:20 PST.
Diffstat (limited to 'contrib/gcc/varray.c')
-rw-r--r--contrib/gcc/varray.c49
1 files changed, 36 insertions, 13 deletions
diff --git a/contrib/gcc/varray.c b/contrib/gcc/varray.c
index 80f15b2..eef2234 100644
--- a/contrib/gcc/varray.c
+++ b/contrib/gcc/varray.c
@@ -1,25 +1,26 @@
/* Virtual array support.
- Copyright (C) 1998 Free Software Foundation, Inc.
+ Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
Contributed by Cygnus Solutions.
- This file is part of GNU CC.
+ This file is part of GCC.
- GNU CC is free software; you can redistribute it and/or modify it
+ GCC 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.
- GNU CC 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.
+ GCC 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 GNU CC; see the file COPYING. If not, write to the Free
- the Free Software Foundation, 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with GCC; see the file COPYING. If not, write to the Free
+ the Free Software Foundation, 59 Temple Place - Suite 330, Boston,
+ MA 02111-1307, USA. */
#include "config.h"
+#include "errors.h"
#include "system.h"
#include "rtl.h"
#include "tree.h"
@@ -40,8 +41,9 @@ varray_init (num_elements, element_size, name)
varray_type ptr = (varray_type) xcalloc (VARRAY_HDR_SIZE + data_size, 1);
ptr->num_elements = num_elements;
+ ptr->elements_used = 0;
ptr->element_size = element_size;
- ptr->name = name;
+ ptr->name = name;
return ptr;
}
@@ -60,11 +62,32 @@ varray_grow (va, n)
size_t old_data_size = old_elements * element_size;
size_t data_size = n * element_size;
- va = (varray_type) xrealloc ((char *)va, VARRAY_HDR_SIZE + data_size);
+ va = (varray_type) xrealloc ((char *) va, VARRAY_HDR_SIZE + data_size);
va->num_elements = n;
if (n > old_elements)
- bzero (&va->data.c[old_data_size], data_size - old_data_size);
+ memset (&va->data.c[old_data_size], 0, data_size - old_data_size);
}
return va;
}
+
+/* Check the bounds of a varray access. */
+
+#if defined ENABLE_CHECKING && (GCC_VERSION >= 2007)
+
+extern void error PARAMS ((const char *, ...)) ATTRIBUTE_PRINTF_1;
+
+void
+varray_check_failed (va, n, file, line, function)
+ varray_type va;
+ size_t n;
+ const char *file;
+ int line;
+ const char *function;
+{
+ internal_error ("virtual array %s[%lu]: element %lu out of bounds in %s, at %s:%d",
+ va->name, (unsigned long) va->num_elements, (unsigned long) n,
+ function, trim_filename (file), line);
+}
+
+#endif
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