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-rw-r--r--lib/malloc/dynarray_at_failure.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/lib/malloc/dynarray_at_failure.c b/lib/malloc/dynarray_at_failure.c
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--- /dev/null
+++ b/lib/malloc/dynarray_at_failure.c
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+/* Report an dynamic array index out of bounds condition.
+ Copyright (C) 2017-2022 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <https://www.gnu.org/licenses/>. */
+
+#ifndef _LIBC
+# include <libc-config.h>
+# include <stdlib.h>
+#endif
+
+#include <dynarray.h>
+#include <stdio.h>
+
+void
+__libc_dynarray_at_failure (size_t size, size_t index)
+{
+#ifdef _LIBC
+ char buf[200];
+ __snprintf (buf, sizeof (buf), "Fatal glibc error: "
+ "array index %zu not less than array length %zu\n",
+ index, size);
+ __libc_fatal (buf);
+#else
+ abort ();
+#endif
+}
+libc_hidden_def (__libc_dynarray_at_failure)