diff options
author | Karl Berry <karl@freefriends.org> | 2006-01-17 21:41:51 +0000 |
---|---|---|
committer | Karl Berry <karl@freefriends.org> | 2006-01-17 21:41:51 +0000 |
commit | 487ca4806cc046076293cf6cc5fbba0db282bac7 (patch) | |
tree | 847b412ab5158dd7bdd7ed7e5a4cc3fbca94be32 /Build/source/texk/kpathsea/c-vararg.h | |
parent | a3d3111bfe26b8e5f5bc6049dfb2a4ca2edc7881 (diff) |
texk 1
git-svn-id: svn://tug.org/texlive/trunk@1485 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/kpathsea/c-vararg.h')
-rw-r--r-- | Build/source/texk/kpathsea/c-vararg.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/Build/source/texk/kpathsea/c-vararg.h b/Build/source/texk/kpathsea/c-vararg.h new file mode 100644 index 00000000000..5479fbe9f4f --- /dev/null +++ b/Build/source/texk/kpathsea/c-vararg.h @@ -0,0 +1,64 @@ +/* c-vararg.h: Top layer for stdarg and varargs. + + Copyright 1998, 2005 Olaf Weber. + Copyright 1993 Karl Berry. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + +*/ + +#ifndef C_VARARG_H +#define C_VARARG_H + +/* See function `init_path' in `kpathsea/tex-file.c' for an example of use. + The idea is to say PVAR1C(type1, parameter1, ap) in the function header, + and then end the function with two }}'s. We do this to avoid having to + specify the argument list (with types) twice -- once in the function + header, and once in a (hypothetical) VA_START1. */ + +#ifdef HAVE_PROTOTYPES +#include <stdarg.h> + +#define PVAR1H(p1) (p1, ...) +#define PVAR2H(p1, p2) (p1, p2, ...) +#define PVAR3H(p1, p2, p3) (p1, p2, p3, ...) + +#define PVAR1C(t1, n1, ap) \ + (t1 n1, ...) { va_list ap; va_start (ap, n1); +#define PVAR2C(t1, n1, t2, n2, ap) \ + (t1 n1, t2 n2, ...) { va_list ap; va_start (ap, n2); +#define PVAR3C(t1, n1, t2, n2, t3, n3, ap) \ + (t1 n1, t2 n2, t3 n3, ...) { va_list ap; va_start (ap, n3); + +#else /* not HAVE_PROTOTYPES */ +#include <varargs.h> + +#define PVAR1H(p1) () +#define PVAR2H(p1, p2) () +#define PVAR3H(p1, p2, p3) () + +#define PVAR1C(t1, n1, ap) \ + (va_alist) va_dcl { t1 n1; va_list ap; va_start (ap); \ + n1 = va_arg (ap, t1); +#define PVAR2C(t1, n1, t2, n2, ap) \ + (va_alist) va_dcl { t1 n1; t2 n2; va_list ap; va_start (ap); \ + n1 = va_arg (ap, t1); n2 = va_arg (ap, t2); +#define PVAR3C(t1, n1, t2, n2, t3, n3, ap) \ + (va_alist) va_dcl { t1 n1; t2 n2; t3 n3; va_list ap; va_start (ap); \ + n1 = va_arg (ap, t1); n2 = va_arg (ap, t2); \ + n3 = va_arg (ap, t3); +#endif /* not HAVE_PROTOTYPES */ + +#endif /* not C_VARARG_H */ |