Adding upstream version 3.5.24.upstream/3.5.24upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 117 insertions, 0 deletions

diff --git a/src/util/slmdb.h b/src/util/slmdb.h
new file mode 100644
index 0000000..9469c0f
--- /dev/null
+++ b/src/util/slmdb.h
@@ -0,0 +1,117 @@
+#ifndef _SLMDB_H_INCLUDED_
+#define _SLMDB_H_INCLUDED_
+
+/*++
+/* NAME
+/*	slmdb 3h
+/* SUMMARY
+/*	LMDB API wrapper
+/* SYNOPSIS
+/*	#include <slmdb.h>
+/* DESCRIPTION
+/* .nf
+
+ /*
+  * System library.
+  */
+#include <setjmp.h>
+
+#ifdef PATH_LMDB_H
+#include PATH_LMDB_H
+#else
+#include <lmdb.h>
+#endif
+
+ /*
+  * Utility library.
+  */
+#include <check_arg.h>
+
+ /*
+  * External interface.
+  */
+#ifdef NO_SIGSETJMP
+#define SLMDB_JMP_BUF jmp_buf
+#else
+#define SLMDB_JMP_BUF sigjmp_buf
+#endif
+
+ /*
+  * All data structure members are private.
+  */
+typedef struct {
+    size_t  curr_limit;			/* database soft size limit */
+    int     size_incr;			/* database expansion factor */
+    size_t  hard_limit;			/* database hard size limit */
+    int     open_flags;			/* open() flags */
+    int     lmdb_flags;			/* LMDB-specific flags */
+    int     slmdb_flags;		/* bulk-mode flag */
+    MDB_env *env;			/* database environment */
+    MDB_dbi dbi;			/* database instance */
+    MDB_txn *txn;			/* bulk transaction */
+    int     db_fd;			/* database file handle */
+    MDB_cursor *cursor;			/* iterator */
+    MDB_val saved_key;			/* saved cursor key buffer */
+    size_t  saved_key_size;		/* saved cursor key buffer size */
+    void    (*longjmp_fn) (void *, int);/* exception handling */
+    void    (*notify_fn) (void *, int,...);	/* workaround notification */
+    void    (*assert_fn) (void *, const char *);	/* assert notification */
+    void   *cb_context;			/* call-back context */
+    int     api_retry_count;		/* slmdb(3) API call retry count */
+    int     bulk_retry_count;		/* bulk_mode retry count */
+    int     api_retry_limit;		/* slmdb(3) API call retry limit */
+    int     bulk_retry_limit;		/* bulk_mode retry limit */
+} SLMDB;
+
+#define SLMDB_FLAG_BULK		(1 << 0)
+
+extern int slmdb_init(SLMDB *, size_t, int, size_t);
+extern int slmdb_open(SLMDB *, const char *, int, int, int);
+extern int slmdb_get(SLMDB *, MDB_val *, MDB_val *);
+extern int slmdb_put(SLMDB *, MDB_val *, MDB_val *, int);
+extern int slmdb_del(SLMDB *, MDB_val *);
+extern int slmdb_cursor_get(SLMDB *, MDB_val *, MDB_val *, MDB_cursor_op);
+extern int slmdb_control(SLMDB *, int,...);
+extern int slmdb_close(SLMDB *);
+
+#define slmdb_fd(slmdb)			((slmdb)->db_fd)
+#define slmdb_curr_limit(slmdb)		((slmdb)->curr_limit)
+
+/* Legacy API: type-unchecked arguments, internal use. */
+#define SLMDB_CTL_END			0
+#define SLMDB_CTL_LONGJMP_FN		1	/* exception handling */
+#define SLMDB_CTL_NOTIFY_FN		2	/* debug logging function */
+#define SLMDB_CTL_CB_CONTEXT		3	/* call-back context */
+#define SLMDB_CTL_API_RETRY_LIMIT	5	/* per slmdb(3) API call */
+#define SLMDB_CTL_BULK_RETRY_LIMIT	6	/* per bulk update */
+#define SLMDB_CTL_ASSERT_FN		7	/* report assertion failure */
+
+/* Safer API: type-checked arguments, external use. */
+#define CA_SLMDB_CTL_END		SLMDB_CTL_END
+#define CA_SLMDB_CTL_LONGJMP_FN(v)	SLMDB_CTL_LONGJMP_FN, CHECK_VAL(SLMDB_CTL, SLMDB_LONGJMP_FN, (v))
+#define CA_SLMDB_CTL_NOTIFY_FN(v)	SLMDB_CTL_NOTIFY_FN, CHECK_VAL(SLMDB_CTL, SLMDB_NOTIFY_FN, (v))
+#define CA_SLMDB_CTL_CB_CONTEXT(v)	SLMDB_CTL_CB_CONTEXT, CHECK_PTR(SLMDB_CTL, void, (v))
+#define CA_SLMDB_CTL_API_RETRY_LIMIT(v)	SLMDB_CTL_API_RETRY_LIMIT, CHECK_VAL(SLMDB_CTL, int, (v))
+#define CA_SLMDB_CTL_BULK_RETRY_LIMIT(v) SLMDB_CTL_BULK_RETRY_LIMIT, CHECK_VAL(SLMDB_CTL, int, (v))
+#define CA_SLMDB_CTL_ASSERT_FN(v)	SLMDB_CTL_ASSERT_FN, CHECK_VAL(SLMDB_CTL, SLMDB_ASSERT_FN, (v))
+
+typedef void (*SLMDB_NOTIFY_FN) (void *, int,...);
+typedef void (*SLMDB_LONGJMP_FN) (void *, int);
+typedef void (*SLMDB_ASSERT_FN) (void *, const char *);
+
+CHECK_VAL_HELPER_DCL(SLMDB_CTL, int);
+CHECK_VAL_HELPER_DCL(SLMDB_CTL, SLMDB_NOTIFY_FN);
+CHECK_VAL_HELPER_DCL(SLMDB_CTL, SLMDB_LONGJMP_FN);
+CHECK_VAL_HELPER_DCL(SLMDB_CTL, SLMDB_ASSERT_FN);
+CHECK_PTR_HELPER_DCL(SLMDB_CTL, void);
+
+/* LICENSE
+/* .ad
+/* .fi
+/*	The Secure Mailer license must be distributed with this software.
+/* AUTHOR(S)
+/*	Howard Chu
+/*	Symas Corporation
+/*--*/
+
+#endif