nostrdb: pull latest, adding flatcc and lmdb

2023-08-25 12:32:30 -07:00
parent f30f93f65c
commit 1f5f1e28a4
104 changed files with 36269 additions and 28 deletions
--- a/nostrdb/flatcc/flatcc_endian.h
+++ b/nostrdb/flatcc/flatcc_endian.h
@@ -0,0 +1,125 @@
+#ifndef FLATCC_ENDIAN_H
+#define FLATCC_ENDIAN_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * This file provides helper macros to define type-specific macros and
+ * inline functions that convert between stored data and native data
+ * indedpently of both native (host) endianness and protocol endianness
+ * (i.e. the serialized endian format).
+ *
+ * To detect endianness correctly ensure one of the following is defined.
+ *
+ *     __LITTLE_ENDIAN__
+ *     __BIG_ENDIAN__
+ *     FLATBUFFERS_LITTLEENDIAN=1
+ *     FLATBUFFERS_LITTLEENDIAN=0
+ *
+ * Note: the Clang compiler likely already does this, but other
+ * compilers may have their own way, if at all.
+ *
+ * It is also necessary to include <endian.h> or a compatible
+ * implementation in order to provide:
+ *
+ *     le16toh, le32to, le64toh, be16toh, be32toh, be64toh,
+ *     htole16, htole32, htole64, htobe16, htobe32, htobe64.
+ *
+ * A simple way to ensure all of the above for most platforms is
+ * to include the portable endian support file:
+ *
+ *     #include "flatcc/portable/pendian.h"
+ *
+ * It is also necessary to include
+ *
+ *      #include "flatcc/flatcc_types.h"
+ *
+ * or an equivalent file. This makes it possible to change the
+ * endianness of the serialized data and the sizes of flatbuffer
+ * specific types such as `uoffset_t`.
+ *
+ * Note: the mentioned include files are likely already included
+ * by the file including this file, at least for the default
+ * configuration.
+ */
+
+#ifndef UINT8_t
+#include <stdint.h>
+#endif
+
+/* These are needed to simplify accessor macros and are not found in <endian.h>. */
+#ifndef le8toh
+#define le8toh(n) (n)
+#endif
+
+#ifndef be8toh
+#define be8toh(n) (n)
+#endif
+
+#ifndef htole8
+#define htole8(n) (n)
+#endif
+
+#ifndef htobe8
+#define htobe8(n) (n)
+#endif
+
+#include "flatcc_accessors.h"
+
+/* This is the binary encoding endianness, usually LE for flatbuffers. */
+#if FLATBUFFERS_PROTOCOL_IS_LE
+#define flatbuffers_endian le
+#elif FLATBUFFERS_PROTOCOL_IS_BE
+#define flatbuffers_endian be
+#else
+#error "flatbuffers has no defined endiannesss"
+#endif
+
+ __flatcc_define_basic_scalar_accessors(flatbuffers_, flatbuffers_endian)
+
+ __flatcc_define_integer_accessors(flatbuffers_bool, flatbuffers_bool_t,
+         FLATBUFFERS_BOOL_WIDTH, flatbuffers_endian)
+ __flatcc_define_integer_accessors(flatbuffers_union_type, flatbuffers_union_type_t,
+         FLATBUFFERS_UTYPE_WIDTH, flatbuffers_endian)
+
+ __flatcc_define_integer_accessors(__flatbuffers_uoffset, flatbuffers_uoffset_t,
+         FLATBUFFERS_UOFFSET_WIDTH, flatbuffers_endian)
+ __flatcc_define_integer_accessors(__flatbuffers_soffset, flatbuffers_soffset_t,
+         FLATBUFFERS_SOFFSET_WIDTH, flatbuffers_endian)
+ __flatcc_define_integer_accessors(__flatbuffers_voffset, flatbuffers_voffset_t,
+         FLATBUFFERS_VOFFSET_WIDTH, flatbuffers_endian)
+ __flatcc_define_integer_accessors(__flatbuffers_utype, flatbuffers_utype_t,
+         FLATBUFFERS_UTYPE_WIDTH, flatbuffers_endian)
+ __flatcc_define_integer_accessors(__flatbuffers_thash, flatbuffers_thash_t,
+         FLATBUFFERS_THASH_WIDTH, flatbuffers_endian)
+
+/* flatcc/portable/pendian.h sets LITTLE/BIG flags if possible, and always defines le16toh. */
+#ifndef flatbuffers_is_native_pe
+#if defined(__LITTLE_ENDIAN__) || FLATBUFFERS_LITTLEENDIAN
+#undef FLATBUFFERS_LITTLEENDIAN
+#define FLATBUFFERS_LITTLEENDIAN 1
+#define flatbuffers_is_native_pe() (FLATBUFFERS_PROTOCOL_IS_LE)
+#elif defined(__BIG_ENDIAN__) || (defined(FLATBUFFERS_LITTLEENDIAN) && !FLATBUFFERS_LITTLEENDIAN)
+#undef FLATBUFFERS_LITTLEENDIAN
+#define FLATBUFFERS_LITTLEENDIAN 0
+#define flatbuffers_is_native_pe() (FLATBUFFERS_PROTOCOL_IS_BE)
+#else
+#define flatbuffers_is_native_pe() (__FLATBUFFERS_CONCAT(flatbuffers_endian, 16toh)(1) == 1)
+#endif
+#endif
+
+#ifndef flatbuffers_is_native_le
+#define flatbuffers_is_native_le() flatbuffers_is_native_pe()
+#endif
+
+#ifndef flatbuffers_is_native_be
+#define flatbuffers_is_native_be() (!flatbuffers_is_native_pe())
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* FLATCC_ENDIAN_H */