58 lines
2.6 KiB
C++
58 lines
2.6 KiB
C++
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#undef _FORTIFY_SOURCE
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#define _FORTIFY_SOURCE 2
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#include <stdio.h>
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void test_sprintf() {
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char buf[4];
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: warning: call to int __builtin___sprintf_chk(char*, int, {{(long )?}}unsigned int, const char*, ...) will always overflow destination buffer
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// clang should emit a warning, but doesn't
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sprintf(buf, "foobar"); // NOLINT(runtime/printf)
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: warning: call to int __builtin___sprintf_chk(char*, int, {{(long )?}}unsigned int, const char*, ...) will always overflow destination buffer
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// clang should emit a warning, but doesn't
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sprintf(buf, "%s", "foobar"); // NOLINT(runtime/printf)
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}
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void test_snprintf() {
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char buf[4];
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: warning: call to int __builtin___snprintf_chk(char*, {{(long )?}}unsigned int, int, {{(long )?}}unsigned int, const char*, ...) will always overflow destination buffer
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// clang should emit a warning, but doesn't
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snprintf(buf, 5, "foobar"); // NOLINT(runtime/printf)
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: warning: call to int __builtin___snprintf_chk(char*, {{(long )?}}unsigned int, int, {{(long )?}}unsigned int, const char*, ...) will always overflow destination buffer
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// clang should emit a warning, but doesn't
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snprintf(buf, 5, "%s", "foobar"); // NOLINT(runtime/printf)
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: warning: call to int __builtin___snprintf_chk(char*, {{(long )?}}unsigned int, int, {{(long )?}}unsigned int, const char*, ...) will always overflow destination buffer
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// clang should emit a warning, but doesn't
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snprintf(buf, 5, " %s ", "foobar"); // NOLINT(runtime/printf)
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// NOLINTNEXTLINE(whitespace/line_length)
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// GCC: warning: call to int __builtin___snprintf_chk(char*, {{(long )?}}unsigned int, int, {{(long )?}}unsigned int, const char*, ...) will always overflow destination buffer
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// clang should emit a warning, but doesn't
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snprintf(buf, 5, "%d", 100000); // NOLINT(runtime/printf)
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}
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