Import BSDDB 4.7.25 (as of svn r89086)

2017-09-04 13:40:25 -05:00
parent 4b29e0458f
commit 8f590873d0
4781 changed files with 2241032 additions and 6 deletions
--- a/log/log_debug.c
+++ b/log/log_debug.c
@@ -0,0 +1,146 @@
+/*-
+ * See the file LICENSE for redistribution information.
+ *
+ * Copyright (c) 1999,2008 Oracle.  All rights reserved.
+ *
+ * $Id: log_debug.c 63573 2008-05-23 21:43:21Z trent.nelson $
+ */
+
+#include "db_config.h"
+
+#include "db_int.h"
+#include "dbinc/db_page.h"
+#include "dbinc/db_am.h"
+#include "dbinc/log.h"
+
+static int __log_printf_int __P((ENV *, DB_TXN *, const char *, va_list));
+
+/*
+ * __log_printf_capi --
+ *	Write a printf-style format string into the DB log.
+ *
+ * PUBLIC: int __log_printf_capi __P((DB_ENV *, DB_TXN *, const char *, ...))
+ * PUBLIC:    __attribute__ ((__format__ (__printf__, 3, 4)));
+ */
+int
+#ifdef STDC_HEADERS
+__log_printf_capi(DB_ENV *dbenv, DB_TXN *txnid, const char *fmt, ...)
+#else
+__log_printf_capi(dbenv, txnid, fmt, va_alist)
+	DB_ENV *dbenv;
+	DB_TXN *txnid;
+	const char *fmt;
+	va_dcl
+#endif
+{
+	va_list ap;
+	int ret;
+
+#ifdef STDC_HEADERS
+	va_start(ap, fmt);
+#else
+	va_start(ap);
+#endif
+	ret = __log_printf_pp(dbenv, txnid, fmt, ap);
+	va_end(ap);
+
+	return (ret);
+}
+
+/*
+ * __log_printf_pp --
+ *	Handle the arguments and call an internal routine to do the work.
+ *
+ *	The reason this routine isn't just folded into __log_printf_capi
+ *	is because the C++ API has to call a C API routine, and you can
+ *	only pass variadic arguments to a single routine.
+ *
+ * PUBLIC: int __log_printf_pp
+ * PUBLIC:     __P((DB_ENV *, DB_TXN *, const char *, va_list));
+ */
+int
+__log_printf_pp(dbenv, txnid, fmt, ap)
+	DB_ENV *dbenv;
+	DB_TXN *txnid;
+	const char *fmt;
+	va_list ap;
+{
+	DB_THREAD_INFO *ip;
+	ENV *env;
+	int ret;
+
+	env = dbenv->env;
+
+	ENV_REQUIRES_CONFIG(env,
+	    env->lg_handle, "DB_ENV->log_printf", DB_INIT_LOG);
+
+	ENV_ENTER(env, ip);
+	REPLICATION_WRAP(env, (__log_printf_int(env, txnid, fmt, ap)), 0, ret);
+	va_end(ap);
+	ENV_LEAVE(env, ip);
+	return (ret);
+}
+
+/*
+ * __log_printf --
+ *	Write a printf-style format string into the DB log.
+ *
+ * PUBLIC: int __log_printf __P((ENV *, DB_TXN *, const char *, ...))
+ * PUBLIC:    __attribute__ ((__format__ (__printf__, 3, 4)));
+ */
+int
+#ifdef STDC_HEADERS
+__log_printf(ENV *env, DB_TXN *txnid, const char *fmt, ...)
+#else
+__log_printf(env, txnid, fmt, va_alist)
+	ENV *env;
+	DB_TXN *txnid;
+	const char *fmt;
+	va_dcl
+#endif
+{
+	va_list ap;
+	int ret;
+
+#ifdef STDC_HEADERS
+	va_start(ap, fmt);
+#else
+	va_start(ap);
+#endif
+	ret = __log_printf_int(env, txnid, fmt, ap);
+	va_end(ap);
+
+	return (ret);
+}
+
+/*
+ * __log_printf_int --
+ *	Write a printf-style format string into the DB log (internal).
+ */
+static int
+__log_printf_int(env, txnid, fmt, ap)
+	ENV *env;
+	DB_TXN *txnid;
+	const char *fmt;
+	va_list ap;
+{
+	DBT opdbt, msgdbt;
+	DB_LSN lsn;
+	char __logbuf[2048];	/* !!!: END OF THE STACK DON'T TRUST SPRINTF. */
+
+	if (!DBENV_LOGGING(env)) {
+		__db_errx(env, "Logging not currently permitted");
+		return (EAGAIN);
+	}
+
+	memset(&opdbt, 0, sizeof(opdbt));
+	opdbt.data = "DIAGNOSTIC";
+	opdbt.size = sizeof("DIAGNOSTIC") - 1;
+
+	memset(&msgdbt, 0, sizeof(msgdbt));
+	msgdbt.data = __logbuf;
+	msgdbt.size = (u_int32_t)vsnprintf(__logbuf, sizeof(__logbuf), fmt, ap);
+
+	return (__db_debug_log(
+	    env, txnid, &lsn, 0, &opdbt, -1, &msgdbt, NULL, 0));
+}