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ICU-242 clarify U_CALLCONV some more; not just necessary for old compilers

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X-SVN-Rev: 7145
This commit is contained in:
Markus Scherer 2001-11-28 23:01:46 +00:00
parent 7d25e2918d
commit db0ea28e10
1 changed files with 7 additions and 4 deletions
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11
icu4c/source/common/unicode/utypes.h
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@ -154,10 +154,13 @@
/**
* \def U_CALLCONV
* Work around the OS390 compiler issue, to be removed when the compiler
* updates come out. This should only be used in C++ files that define
* private (non-exported) C functions. When the C function must be public,
* you must use the U_CAPI, U_CFUNC or U_CDECL_BEGIN/END definitions.
* Similar to U_CDECL_BEGIN/U_CDECL_END, this qualifier is necessary
* in callback function typedefs to make sure that the calling convention
* is compatible.
*
* This is only used for non-ICU-API functions.
* When a function is a public ICU API,
* you must use the U_CAPI and U_EXPORT2 qualifiers.
*/
#if defined(OS390) && defined(XP_CPLUSPLUS)
# define U_CALLCONV __cdecl