42 lines
1.2 KiB
Diff
42 lines
1.2 KiB
Diff
wchar.h: only include other headers if _FORTIFY_SOURCE is enabled
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unexpectedly including other headers can cause problems with
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sensitive/brittle code, particularly with alternative compilers
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(clang) which are already operating on the margins of what's
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supported/expected by some projects.
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having a way to almost entirely short-circuit these headers (by
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disabling _FORTIFY_SOURCE) is therefore important.
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--- a/include/fortify/wchar.h
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+++ b/include/fortify/wchar.h
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@@ -20,21 +20,23 @@
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#if !defined(__cplusplus) && !defined(__clang__)
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__extension__
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#endif
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-#include_next <limits.h>
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+#include_next <wchar.h>
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+
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+#if defined(_FORTIFY_SOURCE) && _FORTIFY_SOURCE > 0 && defined(__OPTIMIZE__) && __OPTIMIZE__ > 0
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+
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#if !defined(__cplusplus) && !defined(__clang__)
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__extension__
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#endif
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-#include_next <stdlib.h>
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+#include_next <limits.h>
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#if !defined(__cplusplus) && !defined(__clang__)
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__extension__
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#endif
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-#include_next <string.h>
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+#include_next <stdlib.h>
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#if !defined(__cplusplus) && !defined(__clang__)
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__extension__
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#endif
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-#include_next <wchar.h>
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+#include_next <string.h>
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-#if defined(_FORTIFY_SOURCE) && _FORTIFY_SOURCE > 0 && defined(__OPTIMIZE__) && __OPTIMIZE__ > 0
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#include "fortify-headers.h"
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#ifdef __cplusplus
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