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+/* host2net.h - Endian conversion macros
+ * Copyright (C) 1998, 2014, 2015 Werner Koch
+ *
+ * This file is part of GnuPG.
+ *
+ * This file is free software; you can redistribute it and/or modify
+ * it 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.
+ *
+ * This file 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 <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef GNUPG_COMMON_HOST2NET_H
+#define GNUPG_COMMON_HOST2NET_H
+
+#include "types.h"
+
+#define ulongtobuf( p, a ) do { \
+ ((byte*)p)[0] = a >> 24; \
+ ((byte*)p)[1] = a >> 16; \
+ ((byte*)p)[2] = a >> 8; \
+ ((byte*)p)[3] = a ; \
+ } while(0)
+#define ushorttobuf( p, a ) do { \
+ ((byte*)p)[0] = a >> 8; \
+ ((byte*)p)[1] = a ; \
+ } while(0)
+
+
+static inline unsigned long
+buf16_to_ulong (const void *buffer)
+{
+ const unsigned char *p = buffer;
+
+ return (((unsigned long)p[0] << 8) | p[1]);
+}
+
+static inline unsigned int
+buf16_to_uint (const void *buffer)
+{
+ const unsigned char *p = buffer;
+
+ return (((unsigned int)p[0] << 8) | p[1]);
+}
+
+static inline unsigned short
+buf16_to_ushort (const void *buffer)
+{
+ const unsigned char *p = buffer;
+
+ return (((unsigned short)p[0] << 8) | p[1]);
+}
+
+static inline u16
+buf16_to_u16 (const void *buffer)
+{
+ const unsigned char *p = buffer;
+
+ return (((u16)p[0] << 8) | p[1]);
+}
+
+static inline size_t
+buf32_to_size_t (const void *buffer)
+{
+ const unsigned char *p = buffer;
+
+ return (((size_t)p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]);
+}
+
+static inline unsigned long
+buf32_to_ulong (const void *buffer)
+{
+ const unsigned char *p = buffer;
+
+ return (((unsigned long)p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]);
+}
+
+static inline unsigned int
+buf32_to_uint (const void *buffer)
+{
+ const unsigned char *p = buffer;
+
+ return (((unsigned int)p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]);
+}
+
+static inline u32
+buf32_to_u32 (const void *buffer)
+{
+ const unsigned char *p = buffer;
+
+ return (((u32)p[0] << 24) | (p[1] << 16) | (p[2] << 8) | p[3]);
+}
+
+
+#endif /*GNUPG_COMMON_HOST2NET_H*/