Files
cpython-source-deps/log/log_debug.c
2017-09-04 13:40:25 -05:00

147 lines
3.0 KiB
C

/*-
* 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));
}