diff options
author | obrien <obrien@FreeBSD.org> | 2002-02-01 18:16:02 +0000 |
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committer | obrien <obrien@FreeBSD.org> | 2002-02-01 18:16:02 +0000 |
commit | c9ab9ae440a8066b2c2b85b157b1fdadcf09916a (patch) | |
tree | 086d9d6c8fbd4fc8fe4495059332f66bc0f8d12b /contrib/gcc/varray.c | |
parent | 2ecfd8bd04b63f335c1ec6295740a4bfd97a4fa6 (diff) | |
download | FreeBSD-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.c | 49 |
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 |