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/*
* Copyright (c) 2012-2015 Dmitry V. Levin <ldv@strace.io>
* Copyright (c) 2014-2018 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "defs.h"
#include "xlat/syslog_action_type.h"
#include "xlat/syslog_console_levels.h"
SYS_FUNC(syslog)
{
int type = tcp->u_arg[0];
int len = tcp->u_arg[2];
if (entering(tcp)) {
/* type */
printxval_ex(syslog_action_type, type, "SYSLOG_ACTION_???",
XLAT_STYLE_VERBOSE | XLAT_STYLE_FMT_D);
}
switch (type) {
/* Those commands have bufp and len ignored */
case SYSLOG_ACTION_CLOSE:
case SYSLOG_ACTION_OPEN:
case SYSLOG_ACTION_CLEAR:
case SYSLOG_ACTION_CONSOLE_OFF:
case SYSLOG_ACTION_CONSOLE_ON:
case SYSLOG_ACTION_SIZE_UNREAD:
case SYSLOG_ACTION_SIZE_BUFFER:
return RVAL_DECODED;
case SYSLOG_ACTION_READ:
case SYSLOG_ACTION_READ_ALL:
case SYSLOG_ACTION_READ_CLEAR:
if (entering(tcp)) {
tprints(", ");
return 0;
}
break;
case SYSLOG_ACTION_CONSOLE_LEVEL: /* Uses len */
tprints(", ");
printaddr64(tcp->u_arg[1]);
tprints(", ");
printxval_ex(syslog_console_levels, len, "LOGLEVEL_???",
XLAT_STYLE_VERBOSE | XLAT_STYLE_FMT_D);
return RVAL_DECODED;
default:
tprints(", ");
printaddr64(tcp->u_arg[1]);
tprintf(", %d", len);
return RVAL_DECODED;
}
/* syscall exit handler for SYSLOG_ACTION_READ* */
/* bufp */
if (syserror(tcp))
printaddr64(tcp->u_arg[1]);
else
printstrn(tcp, tcp->u_arg[1], tcp->u_rval);
/* len */
tprintf(", %d", len);
return 0;
}
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