* win32/win32.c (rb_w32_read_reparse_point): return correct required
buffer size for IO_REPARSE_TAG_MOUNT_POINT. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@51790 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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@ -1,3 +1,8 @@
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Tue Sep 8 12:05:00 2015 NAKAMURA Usaku <usa@ruby-lang.org>
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* win32/win32.c (rb_w32_read_reparse_point): return correct required
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buffer size for IO_REPARSE_TAG_MOUNT_POINT.
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Tue Sep 8 00:14:43 2015 Nobuyoshi Nakada <nobu@ruby-lang.org>
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Tue Sep 8 00:14:43 2015 Nobuyoshi Nakada <nobu@ruby-lang.org>
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* process.c (rb_execarg_parent_start1): raise with the target path
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* process.c (rb_execarg_parent_start1): raise with the target path
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@ -4777,7 +4777,7 @@ rb_w32_read_reparse_point(const WCHAR *path, rb_w32_reparse_buffer_t *rp,
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size_t bufsize, WCHAR **result, DWORD *len)
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size_t bufsize, WCHAR **result, DWORD *len)
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{
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{
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int e = reparse_symlink(path, rp, bufsize);
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int e = reparse_symlink(path, rp, bufsize);
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DWORD ret;
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DWORD ret = 0;
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if (!e || e == ERROR_MORE_DATA) {
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if (!e || e == ERROR_MORE_DATA) {
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void *name;
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void *name;
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@ -4785,17 +4785,18 @@ rb_w32_read_reparse_point(const WCHAR *path, rb_w32_reparse_buffer_t *rp,
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name = ((char *)rp->SymbolicLinkReparseBuffer.PathBuffer +
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name = ((char *)rp->SymbolicLinkReparseBuffer.PathBuffer +
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rp->SymbolicLinkReparseBuffer.PrintNameOffset);
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rp->SymbolicLinkReparseBuffer.PrintNameOffset);
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ret = rp->SymbolicLinkReparseBuffer.PrintNameLength;
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ret = rp->SymbolicLinkReparseBuffer.PrintNameLength;
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*len = ret / sizeof(WCHAR);
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}
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}
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else { /* IO_REPARSE_TAG_MOUNT_POINT */
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else { /* IO_REPARSE_TAG_MOUNT_POINT */
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/* +4/-4 means to drop "\??\" */
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/* +4/-4 means to drop "\??\" */
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name = ((char *)rp->MountPointReparseBuffer.PathBuffer +
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name = ((char *)rp->MountPointReparseBuffer.PathBuffer +
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rp->MountPointReparseBuffer.SubstituteNameOffset +
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rp->MountPointReparseBuffer.SubstituteNameOffset +
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4 * sizeof(WCHAR));
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4 * sizeof(WCHAR));
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ret = rp->MountPointReparseBuffer.SubstituteNameLength -
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ret = rp->MountPointReparseBuffer.SubstituteNameLength;
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4 * sizeof(WCHAR);
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*len = ret / sizeof(WCHAR);
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ret -= 4 * sizeof(WCHAR);
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}
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}
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*result = name;
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*result = name;
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*len = ret / sizeof(WCHAR);
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if (e) {
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if (e) {
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if ((char *)name + ret + sizeof(WCHAR) > (char *)rp + bufsize)
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if ((char *)name + ret + sizeof(WCHAR) > (char *)rp + bufsize)
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return e;
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return e;
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