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rsyslog/runtime/rsyslog.h
Rainer Gerhards d4564f8399 interim commit: working on failure cases 
slightly improved situation, would like to save it before carrying on
2009-05-27 19:43:28 +02:00

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/* This is the header file for the rsyslog runtime. It must be included
* if someone intends to use the runtime.
*
* Begun 2005-09-15 RGerhards
*
* Copyright (C) 2005-2008 by Rainer Gerhards and Adiscon GmbH
*
* This file is part of the rsyslog runtime library.
*
* The rsyslog runtime library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The rsyslog runtime library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the rsyslog runtime library. If not, see <http://www.gnu.org/licenses/>.
*
* A copy of the GPL can be found in the file "COPYING" in this distribution.
* A copy of the LGPL can be found in the file "COPYING.LESSER" in this distribution.
*/
#ifndef INCLUDED_RSYSLOG_H
#define INCLUDED_RSYSLOG_H
/* ############################################################# *
* # Config Settings # *
* ############################################################# */
#define RS_STRINGBUF_ALLOC_INCREMENT 128
/* ############################################################# *
* # End Config Settings # *
* ############################################################# */
#ifndef NOLARGEFILE
# undef _LARGEFILE_SOURCE
# undef _LARGEFILE64_SOURCE
# undef _FILE_OFFSET_BITS
# define _LARGEFILE_SOURCE
# define _LARGEFILE64_SOURCE
# define _FILE_OFFSET_BITS 64
#endif
/* portability: not all platforms have these defines, so we
* define them here if they are missing. -- rgerhards, 2008-03-04
*/
#ifndef LOG_MAKEPRI
# define LOG_MAKEPRI(fac, pri) (((fac) << 3) | (pri))
#endif
#ifndef LOG_PRI
# define LOG_PRI(p) ((p) & LOG_PRIMASK)
#endif
#ifndef LOG_FAC
# define LOG_FAC(p) (((p) & LOG_FACMASK) >> 3)
#endif
/* the rsyslog core provides information about present feature to plugins
* asking it. Below are feature-test macros which must be used to query
* features. Note that this must be powers of two, so that multiple queries
* can be combined. -- rgerhards, 2009-04-27
*/
#define CORE_FEATURE_BATCHING 1
/*#define CORE_FEATURE_whatever 2 ... and so on ... */
/* some universal 64 bit define... */
typedef long long int64;
typedef long long unsigned uint64;
typedef int64 number_t; /* type to use for numbers - TODO: maybe an autoconf option? */
/* define some base data types */
typedef unsigned char uchar;/* get rid of the unhandy "unsigned char" */
typedef struct aUsrp_s aUsrp_t;
typedef struct thrdInfo thrdInfo_t;
typedef struct obj_s obj_t;
typedef struct filed selector_t;/* TODO: this so far resides in syslogd.c, think about modularization */
typedef struct NetAddr netAddr_t;
typedef struct netstrms_s netstrms_t;
typedef struct netstrm_s netstrm_t;
typedef struct nssel_s nssel_t;
typedef enum nsdsel_waitOp_e nsdsel_waitOp_t;
typedef struct nsd_ptcp_s nsd_ptcp_t;
typedef struct nsd_gtls_s nsd_gtls_t;
typedef struct nsd_gsspi_s nsd_gsspi_t;
typedef struct nsd_nss_s nsd_nss_t;
typedef struct nsdsel_ptcp_s nsdsel_ptcp_t;
typedef struct nsdsel_gtls_s nsdsel_gtls_t;
typedef struct wti_s wti_t;
typedef obj_t nsd_t;
typedef obj_t nsdsel_t;
typedef struct msg msg_t;
typedef struct interface_s interface_t;
typedef struct objInfo_s objInfo_t;
typedef enum rsRetVal_ rsRetVal; /**< friendly type for global return value */
typedef rsRetVal (*errLogFunc_t)(uchar*); /* this is a trick to store a function ptr to a function returning a function ptr... */
typedef struct permittedPeers_s permittedPeers_t; /* this should go away in the long term -- rgerhards, 2008-05-19 */
typedef struct permittedPeerWildcard_s permittedPeerWildcard_t; /* this should go away in the long term -- rgerhards, 2008-05-19 */
typedef struct tcpsrv_s tcpsrv_t;
typedef struct tcps_sess_s tcps_sess_t;
typedef struct vmstk_s vmstk_t;
typedef struct batch_obj_s batch_obj_t;
typedef struct batch_s batch_t;
typedef struct wtp_s wtp_t;
typedef rsRetVal (*prsf_t)(struct vmstk_s*, int); /* pointer to a RainerScript function */
typedef uint64 qDeqID; /* queue Dequeue order ID. 32 bits is considered dangerously few */
typedef struct tcpLstnPortList_s tcpLstnPortList_t; // TODO: rename?
#ifdef __hpux
typedef unsigned int u_int32_t; /* TODO: is this correct? */
typedef int socklen_t;
#endif
/* settings for flow control
* TODO: is there a better place for them? -- rgerhards, 2008-03-14
*/
typedef enum {
eFLOWCTL_NO_DELAY = 0, /**< UDP and other non-delayable sources */
eFLOWCTL_LIGHT_DELAY = 1, /**< some light delay possible, but no extended period of time */
eFLOWCTL_FULL_DELAY = 2 /**< delay possible for extended period of time */
} flowControl_t;
/* The error codes below are orginally "borrowed" from
* liblogging. As such, we reserve values up to -2999
* just in case we need to borrow something more ;)
*/
enum rsRetVal_ /** return value. All methods return this if not specified otherwise */
{
/* the first two define are for errmsg.logError(), so that we can use the rsRetVal
* as an rsyslog error code. -- rgerhards, 20080-06-27
*/
RS_RET_NO_ERRCODE = -1, /**< RESERVED for NO_ERRCODE errmsg.logError status name */
RS_RET_INCLUDE_ERRNO = 1073741824, /* 2**30 - do NOT use error codes above this! */
/* begin regular error codes */
RS_RET_NOT_IMPLEMENTED = -7, /**< implementation is missing (probably internal error or lazyness ;)) */
RS_RET_OUT_OF_MEMORY = -6, /**< memory allocation failed */
RS_RET_PROVIDED_BUFFER_TOO_SMALL = -50,/**< the caller provided a buffer, but the called function sees the size of this buffer is too small - operation not carried out */
RS_RET_TRUE = -3, /**< to indicate a true state (can be used as TRUE, legacy) */
RS_RET_FALSE = -2, /**< to indicate a false state (can be used as FALSE, legacy) */
RS_RET_NO_IRET = -8, /**< This is a trick for the debuging system - it means no iRet is provided */
RS_RET_VALIDATION_RUN = -9, /**< indicates a (config) validation run, processing not carried out */
RS_RET_ERR = -3000, /**< generic failure */
RS_TRUNCAT_TOO_LARGE = -3001, /**< truncation operation where too many chars should be truncated */
RS_RET_FOUND_AT_STRING_END = -3002, /**< some value found, but at the last pos of string */
RS_RET_NOT_FOUND = -3003, /**< some requested value not found */
RS_RET_MISSING_TRAIL_QUOTE = -3004, /**< an expected trailing quote is missing */
RS_RET_NO_DIGIT = -3005, /**< an digit was expected, but none found (mostly parsing) */
RS_RET_NO_MORE_DATA = -3006, /**< insufficient data, e.g. end of string during parsing */
RS_RET_INVALID_IP = -3007, /**< invalid ip found where valid was expected */
RS_RET_OBJ_CREATION_FAILED = - 3008, /**< the creation of an object failed (no details available) */
RS_RET_PARAM_ERROR = -1000, /**< invalid parameter in call to function */
RS_RET_MISSING_INTERFACE = -1001,/**< interface version mismatch, required missing */
RS_RET_INVALID_CORE_INTERFACE = -1002,/**< interface provided by host invalid, can not be used */
RS_RET_ENTRY_POINT_NOT_FOUND = -1003,/**< a requested entry point was not found */
RS_RET_MODULE_ENTRY_POINT_NOT_FOUND = -1004,/**< a entry point requested from a module was not present in it */
RS_RET_OBJ_NOT_AVAILABLE = -1005,/**< something could not be completed because the required object is not available*/
RS_RET_LOAD_ERROR = -1006,/**< we had an error loading the object/interface and can not continue */
RS_RET_MODULE_STILL_REFERENCED = -1007,/**< module could not be unloaded because it still is referenced by someone */
RS_RET_OBJ_UNKNOWN = -1008,/**< object is unknown where required */
RS_RET_OBJ_NOT_REGISTERED = -1009,/**< tried to unregister an object that is not registered */
/* return states for config file processing */
RS_RET_NONE = -2000, /**< some value is not available - not necessarily an error */
RS_RET_CONFLINE_UNPROCESSED = -2001,/**< config line was not processed, pass to other module */
RS_RET_DISCARDMSG = -2002, /**< discard message (no error state, processing request!) */
RS_RET_INCOMPATIBLE = -2003, /**< function not compatible with requested feature */
RS_RET_NOENTRY = -2004, /**< do not create an entry for (whatever) - not necessary an error */
RS_RET_NO_SQL_STRING = -2005, /**< string is not suitable for use as SQL */
RS_RET_DISABLE_ACTION = -2006, /**< action requests that it be disabled */
RS_RET_SUSPENDED = -2007, /**< something was suspended, not neccesarily an error */
RS_RET_RQD_TPLOPT_MISSING = -2008,/**< a required template option is missing */
RS_RET_INVALID_VALUE = -2009,/**< some value is invalid (e.g. user-supplied data) */
RS_RET_INVALID_INT = -2010,/**< invalid integer */
RS_RET_INVALID_CMD = -2011,/**< invalid command */
RS_RET_VAL_OUT_OF_RANGE = -2012, /**< value out of range */
RS_RET_FOPEN_FAILURE = -2013, /**< failure during fopen, for example file not found - see errno */
RS_RET_END_OF_LINKEDLIST = -2014, /**< end of linked list, not an error, but a status */
RS_RET_CHAIN_NOT_PERMITTED = -2015, /**< chaining (e.g. of config command handlers) not permitted */
RS_RET_INVALID_PARAMS = -2016,/**< supplied parameters are invalid */
RS_RET_EMPTY_LIST = -2017, /**< linked list is empty */
RS_RET_FINISHED = -2018, /**< some opertion is finished, not an error state */
RS_RET_INVALID_SOURCE = -2019, /**< source (address) invalid for some reason */
RS_RET_ADDRESS_UNKNOWN = -2020, /**< an address is unknown - not necessarily an error */
RS_RET_MALICIOUS_ENTITY = -2021, /**< there is an malicious entity involved */
RS_RET_NO_KERNEL_LOGSRC = -2022, /**< no source for kernel logs can be obtained */
RS_RET_TCP_SEND_ERROR = -2023, /**< error during TCP send process */
RS_RET_GSS_SEND_ERROR = -2024, /**< error during GSS (via TCP) send process */
RS_RET_TCP_SOCKCREATE_ERR = -2025, /**< error during creation of TCP socket */
RS_RET_GSS_SENDINIT_ERROR = -2024, /**< error during GSS (via TCP) send initialization process */
RS_RET_EOF = -2026, /**< end of file reached, not necessarily an error */
RS_RET_IO_ERROR = -2027, /**< some kind of IO error happened */
RS_RET_INVALID_OID = -2028, /**< invalid object ID */
RS_RET_INVALID_HEADER = -2029, /**< invalid header */
RS_RET_INVALID_HEADER_VERS = -2030, /**< invalid header version */
RS_RET_INVALID_DELIMITER = -2031, /**< invalid delimiter, e.g. between params */
RS_RET_INVALID_PROPFRAME = -2032, /**< invalid framing in serialized property */
RS_RET_NO_PROPLINE = -2033, /**< line is not a property line */
RS_RET_INVALID_TRAILER = -2034, /**< invalid trailer */
RS_RET_VALUE_TOO_LOW = -2035, /**< a provided value is too low */
RS_RET_FILE_PREFIX_MISSING = -2036, /**< a required file prefix (parameter?) is missing */
RS_RET_INVALID_HEADER_RECTYPE = -2037, /**< invalid record type in header or invalid header */
RS_RET_QTYPE_MISMATCH = -2038, /**< different qType when reading back a property type */
RS_RET_NO_FILE_ACCESS = -2039, /**< covers EACCES error on file open() */
RS_RET_FILE_NOT_FOUND = -2040, /**< file not found */
RS_RET_TIMED_OUT = -2041, /**< timeout occured (not necessarily an error) */
RS_RET_QSIZE_ZERO = -2042, /**< queue size is zero where this is not supported */
RS_RET_ALREADY_STARTING = -2043, /**< something (a thread?) is already starting - not necessarily an error */
RS_RET_NO_MORE_THREADS = -2044, /**< no more threads available, not necessarily an error */
RS_RET_NO_FILEPREFIX = -2045, /**< file prefix is not specified where one is needed */
RS_RET_CONFIG_ERROR = -2046, /**< there is a problem with the user-provided config settigs */
RS_RET_OUT_OF_DESRIPTORS = -2047, /**< a descriptor table's space has been exhausted */
RS_RET_NO_DRIVERS = -2048, /**< a required drivers missing */
RS_RET_NO_DRIVERNAME = -2049, /**< driver name missing where one was required */
RS_RET_EOS = -2050, /**< end of stream (of whatever) */
RS_RET_SYNTAX_ERROR = -2051, /**< syntax error, eg. during parsing */
RS_RET_INVALID_OCTAL_DIGIT = -2052, /**< invalid octal digit during parsing */
RS_RET_INVALID_HEX_DIGIT = -2053, /**< invalid hex digit during parsing */
RS_RET_INTERFACE_NOT_SUPPORTED = -2054, /**< interface not supported */
RS_RET_OUT_OF_STACKSPACE = -2055, /**< a stack data structure is exhausted and can not be grown */
RS_RET_STACK_EMPTY = -2056, /**< a pop was requested on a stack, but the stack was already empty */
RS_RET_INVALID_VMOP = -2057, /**< invalid virtual machine instruction */
RS_RET_INVALID_VAR = -2058, /**< a var_t or its content is unsuitable, eg. VARTYPE_NONE */
RS_RET_INVALID_NUMBER = -2059, /**< number invalid during parsing */
RS_RET_NOT_A_NUMBER = -2060, /**< e.g. conversion impossible because the string is not a number */
RS_RET_OBJ_ALREADY_REGISTERED = -2061, /**< object (name) is already registered */
RS_RET_OBJ_REGISTRY_OUT_OF_SPACE = -2062, /**< the object registry has run out of space */
RS_RET_HOST_NOT_PERMITTED = -2063, /**< a host is not permitted to perform an action it requested */
RS_RET_MODULE_LOAD_ERR = -2064, /**< module could not be loaded */
RS_RET_MODULE_LOAD_ERR_PATHLEN = -2065, /**< module could not be loaded - path to long */
RS_RET_MODULE_LOAD_ERR_DLOPEN = -2066, /**< module could not be loaded - problem in dlopen() */
RS_RET_MODULE_LOAD_ERR_NO_INIT = -2067, /**< module could not be loaded - init() missing */
RS_RET_MODULE_LOAD_ERR_INIT_FAILED = -2068, /**< module could not be loaded - init() failed */
RS_RET_NO_SOCKET = -2069, /**< socket could not be obtained or was not provided */
RS_RET_SMTP_ERROR = -2070, /**< error during SMTP transation */
RS_RET_MAIL_NO_TO = -2071, /**< recipient for mail destination is missing */
RS_RET_MAIL_NO_FROM = -2072, /**< sender for mail destination is missing */
RS_RET_INVALID_PRI = -2073, /**< PRI value is invalid */
RS_RET_MALICIOUS_HNAME = -2074, /**< remote peer is trying malicious things with its hostname */
RS_RET_INVALID_HNAME = -2075, /**< remote peer's hostname invalid or unobtainable */
RS_RET_INVALID_PORT = -2076, /**< invalid port value */
RS_RET_COULD_NOT_BIND = -2077, /**< could not bind socket, defunct */
RS_RET_GNUTLS_ERR = -2078, /**< (unexpected) error in GnuTLS call */
RS_RET_MAX_SESS_REACHED = -2079, /**< max nbr of sessions reached, can not create more */
RS_RET_MAX_LSTN_REACHED = -2080, /**< max nbr of listeners reached, can not create more */
RS_RET_INVALID_DRVR_MODE = -2081, /**< tried to set mode not supported by driver */
RS_RET_DRVRNAME_TOO_LONG = -2082, /**< driver name too long - should never happen */
RS_RET_TLS_HANDSHAKE_ERR = -2083, /**< TLS handshake failed */
RS_RET_TLS_CERT_ERR = -2084, /**< generic TLS certificate error */
RS_RET_TLS_NO_CERT = -2085, /**< no TLS certificate available where one was expected */
RS_RET_VALUE_NOT_SUPPORTED = -2086, /**< a provided value is not supported */
RS_RET_VALUE_NOT_IN_THIS_MODE = -2087, /**< a provided value is invalid for the curret mode */
RS_RET_INVALID_FINGERPRINT = -2088, /**< a fingerprint is not valid for this use case */
RS_RET_CONNECTION_ABORTREQ = -2089, /**< connection was abort requested due to previous error */
RS_RET_CERT_INVALID = -2090, /**< a x509 certificate failed validation */
RS_RET_CERT_INVALID_DN = -2091, /**< distinguised name in x509 certificate is invalid (e.g. wrong escaping) */
RS_RET_CERT_EXPIRED = -2092, /**< we are past a x.509 cert's expiration time */
RS_RET_CERT_NOT_YET_ACTIVE = -2094, /**< x.509 cert's activation time not yet reached */
RS_RET_SYS_ERR = -2095, /**< system error occured (e.g. time() returned -1, quite unexpected) */
RS_RET_FILE_NO_STAT = -2096, /**< can not stat() a file */
RS_RET_FILE_TOO_LARGE = -2097, /**< a file is larger than permitted */
RS_RET_INVALID_WILDCARD = -2098, /**< a wildcard entry is invalid */
RS_RET_CLOSED = -2099, /**< connection was closed */
RS_RET_RETRY = -2100, /**< call should be retried (e.g. EGAIN on recv) */
RS_RET_GSS_ERR = -2101, /**< generic error occured in GSSAPI subsystem */
RS_RET_CERTLESS = -2102, /**< state: we run without machine cert (this may be OK) */
RS_RET_NO_ACTIONS = -2103, /**< no active actions are configured (no output will be created) */
RS_RET_CONF_FILE_NOT_FOUND = -2104, /**< config file or directory not found */
RS_RET_QUEUE_FULL = -2105, /**< queue is full, operation could not be completed */
RS_RET_ACCEPT_ERR = -2106, /**< error during accept() system call */
RS_RET_INVLD_TIME = -2107, /**< invalid timestamp (e.g. could not be parsed) */
RS_RET_NO_ZIP = -2108, /**< ZIP functionality is not present */
RS_RET_CODE_ERR = -2109, /**< program code (internal) error */
RS_RET_FUNC_NO_LPAREN = -2110, /**< left parenthesis missing after function call (rainerscript) */
RS_RET_FUNC_MISSING_EXPR = -2111, /**< no expression after comma in function call (rainerscript) */
RS_RET_INVLD_NBR_ARGUMENTS = -2112, /**< invalid number of arguments for function call (rainerscript) */
RS_RET_INVLD_FUNC = -2113, /**< invalid function name for function call (rainerscript) */
RS_RET_DUP_FUNC_NAME = -2114, /**< duplicate function name (rainerscript) */
RS_RET_UNKNW_FUNC = -2115, /**< unkown function name (rainerscript) */
RS_RET_ERR_RLIM_NOFILE = -2116, /**< error setting max. nbr open files process limit */
RS_RET_ERR_CREAT_PIPE = -2117, /**< error during pipe creation */
RS_RET_ERR_FORK = -2118, /**< error during fork() */
RS_RET_ERR_WRITE_PIPE = -2119, /**< error writing to pipe */
RS_RET_RSCORE_TOO_OLD = -2120, /**< rsyslog core is too old for ... (eg this plugin) */
RS_RET_DEFER_COMMIT = -2121, /**< output plugin status: not yet committed (an OK state!) */
RS_RET_PREVIOUS_COMMITTED = -2122, /**< output plugin status: previous record was committed (an OK state!) */
RS_RET_ACTION_FAILED = -2122, /**< action failed and is now suspended (consider this permanent for the time being) */
RS_RET_FILENAME_INVALID = -2140, /**< filename invalid, not found, no access, ... */
/* RainerScript error messages (range 1000.. 1999) */
RS_RET_SYSVAR_NOT_FOUND = 1001, /**< system variable could not be found (maybe misspelled) */
/* some generic error/status codes */
RS_RET_OK = 0, /**< operation successful */
RS_RET_OK_DELETE_LISTENTRY = 1, /**< operation successful, but callee requested the deletion of an entry (special state) */
RS_RET_TERMINATE_NOW = 2, /**< operation successful, function is requested to terminate (mostly used with threads) */
RS_RET_NO_RUN = 3, /**< operation successful, but function does not like to be executed */
RS_RET_IDLE = 4, /**< operation successful, but callee is idle (e.g. because queue is empty) */
RS_RET_TERMINATE_WHEN_IDLE = 5 /**< operation successful, function is requested to terminate when idle */
};
/* some helpful macros to work with srRetVals.
* Be sure to call the to-be-returned variable always "iRet" and
* the function finalizer always "finalize_it".
*/
#define CHKiRet(code) if((iRet = code) != RS_RET_OK) goto finalize_it
/* macro below is to be used if we need our own handling, eg for cleanup */
#define CHKiRet_Hdlr(code) if((iRet = code) != RS_RET_OK)
/* macro below is to handle failing malloc/calloc/strdup... which we almost always handle in the same way... */
#define CHKmalloc(operation) if((operation) == NULL) ABORT_FINALIZE(RS_RET_OUT_OF_MEMORY)
/* macro below is used in conjunction with CHKiRet_Hdlr, else use ABORT_FINALIZE */
#define FINALIZE goto finalize_it;
#define DEFiRet BEGINfunc rsRetVal iRet = RS_RET_OK
#define RETiRet do{ ENDfuncIRet return iRet; }while(0)
#define ABORT_FINALIZE(errCode) \
do { \
iRet = errCode; \
goto finalize_it; \
} while (0)
/** Object ID. These are for internal checking. Each
* object is assigned a specific ID. This is contained in
* all Object structs (just like C++ RTTI). We can use
* this field to see if we have been passed a correct ID.
* Other than that, there is currently no other use for
* the object id.
*/
enum rsObjectID
{
OIDrsFreed = -1, /**< assigned, when an object is freed. If this
* is seen during a method call, this is an
* invalid object pointer!
*/
OIDrsInvalid = 0, /**< value created by calloc(), so do not use ;) */
/* The 0x3412 is a debug aid. It helps us find object IDs in memory
* dumps (on X86, this is 1234 in the dump ;)
* If you are on an embedded device and you would like to save space
* make them 1 byte only.
*/
OIDrsCStr = 0x34120001,
OIDrsPars = 0x34120002
};
typedef enum rsObjectID rsObjID;
/* support to set object types */
#ifdef NDEBUG
#define rsSETOBJTYPE(pObj, type)
#define rsCHECKVALIDOBJECT(x, type)
#else
#define rsSETOBJTYPE(pObj, type) pObj->OID = type;
#define rsCHECKVALIDOBJECT(x, type) {assert(x != NULL); assert(x->OID == type);}
#endif
/**
* This macro should be used to free objects.
* It aids in interpreting dumps during debugging.
*/
#ifdef NDEBUG
#define RSFREEOBJ(x) free(x)
#else
#define RSFREEOBJ(x) {(x)->OID = OIDrsFreed; free(x);}
#endif
/* for the time being, we do our own portability handling here. It
* looks like autotools either does not yet support checks for it, or
* I wasn't smart enough to find them ;) rgerhards, 2007-07-18
*/
#ifndef __GNUC__
# define __attribute__(x) /*NOTHING*/
#endif
#ifndef O_CLOEXEC
/* of course, this limits the functionality... */
# define O_CLOEXEC 0
#endif
/* The following prototype is convenient, even though it may not be the 100% correct place.. -- rgerhards 2008-01-07 */
void dbgprintf(char *, ...) __attribute__((format(printf, 1, 2)));
#include "debug.h"
#include "obj.h"
/* the variable below is a trick: before we can init the runtime, the caller
* may want to set a module load path. We can not do this via the glbl class
* because it needs an initialized runtime system (and may at some point in time
* even be loaded itself). So this is a no-go. What we do is use a single global
* variable which may be provided with a pointer by the caller. This variable
* resides in rsyslog.c, the main runtime file. We have not seen any realy valule
* in providing object access functions. If you don't like that, feel free to
* add them. -- rgerhards, 2008-04-17
*/
extern uchar *glblModPath; /* module load path */
extern rsRetVal (*glblErrLogger)(int, uchar*);
/* some runtime prototypes */
rsRetVal rsrtInit(char **ppErrObj, obj_if_t *pObjIF);
rsRetVal rsrtExit(void);
int rsrtIsInit(void);
rsRetVal rsrtSetErrLogger(rsRetVal (*errLogger)(int, uchar*));
#endif /* multi-include protection */
/* vim:set ai:
*/
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