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* include/ruby/win32.h (frexp, modf): wrongly declared as pure in

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mingw math.h.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@31278 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2011-04-14 12:21:09 +00:00
parent f777225e09
commit d986500059
2 changed files with 18 additions and 1 deletions
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ChangeLog
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@ -1,4 +1,7 @@
Thu Apr 14 21:21:01 2011 Nobuyoshi Nakada <nobu@ruby-lang.org> Thu Apr 14 21:21:06 2011 Nobuyoshi Nakada <nobu@ruby-lang.org>
* include/ruby/win32.h (frexp, modf): wrongly declared as pure in
mingw math.h.
* include/ruby/win32.h (ftruncate, truncate): mingw64 misses * include/ruby/win32.h (ftruncate, truncate): mingw64 misses
prototypes. prototypes.

14
include/ruby/win32.h
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@ -692,6 +692,20 @@ uintptr_t rb_w32_asynchronize(asynchronous_func_t func, uintptr_t self, int argc
#pragma GCC visibility pop #pragma GCC visibility pop
#endif #endif
#ifdef __MINGW_ATTRIB_PURE
/* get rid of bugs in math.h of mingw */
#define frexp(_X, _Y) __extension__ ({\
int *intptr_frexp_bug = (_Y);\
*intptr_frexp_bug = *intptr_frexp_bug;\
frexp((_X), intptr_frexp_bug);\
})
#define modf(_X, _Y) __extension__ ({\
double *intptr_modf_bug = (_Y);\
*intptr_modf_bug = *intptr_modf_bug;\
modf((_X), intptr_modf_bug);\
})
#endif
#if defined(__cplusplus) #if defined(__cplusplus)
#if 0 #if 0
{ /* satisfy cc-mode */ { /* satisfy cc-mode */