X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=lib%2Fmsvc-nothrow.h;fp=lib%2Fmsvc-nothrow.h;h=2b71945b0ba8d175149da0f7cb0467d0bb4f1974;hb=dc84183747ce1703eb99685b5dbde1f65a143c06;hp=0000000000000000000000000000000000000000;hpb=a2016c1de6e4884f6c8ed5cc498f3bf821c25ca4;p=debian%2Fgzip diff --git a/lib/msvc-nothrow.h b/lib/msvc-nothrow.h new file mode 100644 index 0000000..2b71945 --- /dev/null +++ b/lib/msvc-nothrow.h @@ -0,0 +1,43 @@ +/* Wrappers that don't throw invalid parameter notifications + with MSVC runtime libraries. + Copyright (C) 2011-2012 Free Software Foundation, Inc. + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3, or (at your option) + any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License along + with this program; if not, see . */ + +#ifndef _MSVC_NOTHROW_H +#define _MSVC_NOTHROW_H + +/* With MSVC runtime libraries with the "invalid parameter handler" concept, + functions like fprintf(), dup2(), or close() crash when the caller passes + an invalid argument. But POSIX wants error codes (such as EINVAL or EBADF) + instead. + This file defines wrappers that turn such an invalid parameter notification + into an error code. */ + +#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__ + +/* Get original declaration of _get_osfhandle. */ +# include + +# if HAVE_MSVC_INVALID_PARAMETER_HANDLER + +/* Override _get_osfhandle. */ +extern intptr_t _gl_nothrow_get_osfhandle (int fd); +# define _get_osfhandle _gl_nothrow_get_osfhandle + +# endif + +#endif + +#endif /* _MSVC_NOTHROW_H */