diff options
Diffstat (limited to 'depends/pack200/src/utils.cpp')
-rw-r--r-- | depends/pack200/src/utils.cpp | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/depends/pack200/src/utils.cpp b/depends/pack200/src/utils.cpp new file mode 100644 index 00000000..3ea8c92e --- /dev/null +++ b/depends/pack200/src/utils.cpp @@ -0,0 +1,91 @@ +/* + * Copyright (c) 2001, 2008, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. Oracle designates this + * particular file as subject to the "Classpath" exception as provided + * by Oracle in the LICENSE file that accompanied this code. + * + * This code 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 + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +#include <stdarg.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <limits.h> +#include <assert.h> + +#include <sys/stat.h> + +#ifdef _MSC_VER +#include <direct.h> +#include <io.h> +#include <process.h> +#else +#include <unistd.h> +#endif + +#include "constants.h" +#include "defines.h" +#include "bytes.h" +#include "utils.h" + +#include "unpack.h" + +void *must_malloc(size_t size) +{ + size_t msize = size; + void *ptr = (msize > PSIZE_MAX) ? nullptr : malloc(msize); + if (ptr != nullptr) + { + memset(ptr, 0, size); + } + else + { + unpack_abort(ERROR_ENOMEM); + } + return ptr; +} + +void unpack_abort(const char *msg, unpacker *u) +{ + if (msg == nullptr) + msg = "corrupt pack file or internal error"; + if (u == nullptr) + u = unpacker::current(); + if (u == nullptr) + { + fprintf(stderr, "Error: unpacker: %s\n", msg); + ::abort(); + return; + } + u->abort(msg); +} + +bool unpack_aborting(unpacker *u) +{ + if (u == nullptr) + u = unpacker::current(); + if (u == nullptr) + { + fprintf(stderr, "Error: unpacker: no current instance\n"); + ::abort(); + return true; + } + return u->aborting(); +} |