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+/* types.h - define some extra types
+ * Copyright (C) 1999, 2000, 2001, 2006 Free Software Foundation, Inc.
+ *
+ * This file is part of GnuPG.
+ *
+ * GnuPG is free software; you can redistribute and/or modify this
+ * part of GnuPG under the terms of either
+ *
+ * - the GNU Lesser General Public License as published by the Free
+ * Software Foundation; either version 3 of the License, or (at
+ * your option) any later version.
+ *
+ * or
+ *
+ * - the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ *
+ * or both in parallel, as here.
+ *
+ * GnuPG 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 copies of the GNU General Public License
+ * and the GNU Lesser General Public License along with this program;
+ * if not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef GNUPG_COMMON_TYPES_H
+#define GNUPG_COMMON_TYPES_H
+
+#ifdef HAVE_INTTYPES_H
+# include <inttypes.h>
+#endif
+
+/* The AC_CHECK_SIZEOF() in configure fails for some machines.
+ * we provide some fallback values here */
+#if !SIZEOF_UNSIGNED_SHORT
+# undef SIZEOF_UNSIGNED_SHORT
+# define SIZEOF_UNSIGNED_SHORT 2
+#endif
+#if !SIZEOF_UNSIGNED_INT
+# undef SIZEOF_UNSIGNED_INT
+# define SIZEOF_UNSIGNED_INT 4
+#endif
+#if !SIZEOF_UNSIGNED_LONG
+# undef SIZEOF_UNSIGNED_LONG
+# define SIZEOF_UNSIGNED_LONG 4
+#endif
+
+
+#include <sys/types.h>
+
+
+/* We use byte as an abbreviation for unsigned char. On some
+ platforms this needs special treatment:
+
+ - RISC OS:
+ Norcroft C treats char = unsigned char as legal assignment
+ but char* = unsigned char* as illegal assignment
+ and the same applies to the signed variants as well. Thus we use
+ char which is anyway unsigned.
+
+ - Windows:
+ Windows typedefs byte in the RPC headers but we need to avoid a
+ warning about a double definition.
+ */
+#ifndef HAVE_BYTE_TYPEDEF
+# undef byte /* There might be a macro with this name. */
+# ifdef __riscos__
+ typedef char byte;
+# elif !(defined(_WIN32) && defined(cbNDRContext))
+ typedef unsigned char byte;
+# endif
+# define HAVE_BYTE_TYPEDEF
+#endif /*!HAVE_BYTE_TYPEDEF*/
+
+#ifndef HAVE_USHORT_TYPEDEF
+# undef ushort /* There might be a macro with this name. */
+ typedef unsigned short ushort;
+# define HAVE_USHORT_TYPEDEF
+#endif
+
+#ifndef HAVE_ULONG_TYPEDEF
+# undef ulong /* There might be a macro with this name. */
+ typedef unsigned long ulong;
+# define HAVE_ULONG_TYPEDEF
+#endif
+
+#ifndef HAVE_U16_TYPEDEF
+# undef u16 /* There might be a macro with this name. */
+# if SIZEOF_UNSIGNED_INT == 2
+ typedef unsigned int u16;
+# elif SIZEOF_UNSIGNED_SHORT == 2
+ typedef unsigned short u16;
+# else
+# error no typedef for u16
+# endif
+# define HAVE_U16_TYPEDEF
+#endif
+
+#ifndef HAVE_U32_TYPEDEF
+# undef u32 /* There might be a macro with this name. */
+# if SIZEOF_UNSIGNED_INT == 4
+ typedef unsigned int u32;
+# elif SIZEOF_UNSIGNED_LONG == 4
+ typedef unsigned long u32;
+# else
+# error no typedef for u32
+# endif
+# define HAVE_U32_TYPEDEF
+#endif
+
+#endif /*GNUPG_COMMON_TYPES_H*/