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* file.c (w32_io_info): get rid of too huge alloca().

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[Bug #4313] [ruby-core:34830]



git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@30667 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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kosaki 2011-01-27 09:35:56 +00:00
parent 21931d6aa2
commit 18c11392af
2 changed files with 9 additions and 1 deletions
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ChangeLog
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@ -1,3 +1,8 @@
Thu Jan 27 18:34:58 2011 KOSAKI Motohiro <kosaki.motohiro@gmail.com>
* file.c (w32_io_info): get rid of too huge alloca().
[Bug #4313] [ruby-core:34830]
Thu Jan 27 18:19:51 2011 KOSAKI Motohiro <kosaki.motohiro@gmail.com> Thu Jan 27 18:19:51 2011 KOSAKI Motohiro <kosaki.motohiro@gmail.com>
* win32/win32.c (wstati64): get rid of too huge alloca(). * win32/win32.c (wstati64): get rid of too huge alloca().

5
file.c
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@ -835,15 +835,18 @@ w32_io_info(VALUE *file, BY_HANDLE_FILE_INFORMATION *st)
VALUE tmp; VALUE tmp;
WCHAR *ptr; WCHAR *ptr;
int len; int len;
VALUE v;
FilePathValue(*file); FilePathValue(*file);
tmp = rb_str_encode_ospath(*file); tmp = rb_str_encode_ospath(*file);
len = MultiByteToWideChar(CP_UTF8, 0, RSTRING_PTR(tmp), -1, NULL, 0); len = MultiByteToWideChar(CP_UTF8, 0, RSTRING_PTR(tmp), -1, NULL, 0);
ptr = ALLOCA_N(WCHAR, len); ptr = ALLOCV_N(WCHAR, v, len);
MultiByteToWideChar(CP_UTF8, 0, RSTRING_PTR(tmp), -1, ptr, len); MultiByteToWideChar(CP_UTF8, 0, RSTRING_PTR(tmp), -1, ptr, len);
f = CreateFileW(ptr, 0, f = CreateFileW(ptr, 0,
FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING, FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, OPEN_EXISTING,
rb_w32_iswin95() ? 0 : FILE_FLAG_BACKUP_SEMANTICS, rb_w32_iswin95() ? 0 : FILE_FLAG_BACKUP_SEMANTICS,
NULL); NULL);
ALLOCV_END(v);
if (f == INVALID_HANDLE_VALUE) return f; if (f == INVALID_HANDLE_VALUE) return f;
ret = f; ret = f;
} }