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Add a static assert to prevent compilation on platforms where int/usigned int are not 32-bits/4-bytes.

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This is added to be sure that the to-be-added author hash is always 32-bit.

git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@36126 a592a061-630c-0410-9148-cb99ea01b6c8
This commit is contained in:
Vincent van Ravesteijn 2010-11-05 16:51:09 +00:00
parent 6cc1d31e38
commit a4fd294373
1 changed files with 9 additions and 0 deletions
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9
src/support/os.cpp
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@ -18,6 +18,15 @@
#include "support/os_unix.cpp" #include "support/os_unix.cpp"
#endif #endif
// Static assert to break compilation on platforms where
// int/unsigned int is not 4 bytes. Added to make sure that
// e.g., the author hash is always 32-bit.
template<bool Condition> struct static_assert_helper;
template <> struct static_assert_helper<true> {};
enum {
dummy = sizeof(static_assert_helper<sizeof(int) == 4>)
};
namespace lyx { namespace lyx {
namespace support { namespace support {
namespace os { namespace os {