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cfg.lex
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cfg.lex
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/*
* $Id$
*
* scanner for cfg files
*
* Copyright (C) 2001-2003 FhG Fokus
* Copyright (C) 2005-2009 Voice Sistem S.R.L.
* Copyright (C) 2006 enum.at
*
* This file is part of opensips, a free SIP server.
*
* opensips is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version
*
* opensips 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* History:
* -------
* 2003-01-29 src_port added (jiri)
* 2003-01-23 mhomed added (jiri)
* 2003-03-19 replaced all the mallocs/frees w/ pkg_malloc/pkg_free (andrei)
* 2003-04-01 added dst_port, proto (tcp, udp, tls), af(inet, inet6) (andrei)
* 2003-04-05 s/reply_route/failure_route, onreply_route introduced (jiri)
* 2003-04-12 added force_rport, chdir and wdir (andrei)
* 2003-04-22 strip_tail added (jiri)
* 2003-07-03 tls* (disable, certificate, private_key, ca_list, verify,
* require_certificate added (andrei)
* 2003-07-06 more tls config. vars added: tls_method, tls_port_no (andrei)
* 2003-10-02 added {,set_}advertised_{address,port} (andrei)
* 2003-10-07 added hex and octal numbers support (andrei)
* 2003-10-10 replaced len_gt w/ msg:len (andrei)
* 2003-10-13 added fifo_dir (andrei)
* 2003-10-28 added tcp_accept_aliases (andrei)
* 2003-11-29 added {tcp_send, tcp_connect, tls_*}_timeout (andrei)
* 2004-03-30 added DISABLE_CORE and OPEN_FD_LIMIT (andrei)
* 2004-04-28 added sock_mode (replaces fifo_mode), sock_user &
* sock_group (andrei)
* 2004-05-03 applied multicast support patch from janakj
* added MCAST_TTL (andrei)
* 2005-07-08 added tcp_connection_lifetime, tcp_poll_method,
* tcp_max_connections (andrei)
* 2004-10-08 more escapes: \", \xHH, \nnn and minor optimizations (andrei)
* 2004-10-19 added FROM_URI and TO_URI (andrei)
* 2004-11-30 added force_send_socket
* 2005-11-22 added tos configurability (thanks to Andreas Granig)
* 2005-11-29 added serialize_branches and next_branches (bogdan)
* 2006-12-22 functions for script and branch flags added (bogdan)
* 2007-01-11 auto_aliases option added (bogdan)
* 2007-01-25 disable_dns_failover option added (bogdan)
*/
%{
#include "cfg.tab.h"
#include "dprint.h"
#include "globals.h"
#include "mem/mem.h"
#include <string.h>
#include <stdlib.h>
#include "ip_addr.h"
/* states */
#define INITIAL_S 0
#define COMMENT_S 1
#define COMMENT_LN_S 2
#define STRING_S 3
#define SCRIPTVAR_S 4
#define STR_BUF_ALLOC_UNIT 128
struct str_buf{
char* s;
char* crt;
int left;
};
static int comment_nest=0;
static int state=0;
static struct str_buf s_buf;
int line=1;
int np=0;
int svar_tlen=0;
int column=1;
int startcolumn=1;
int startline=1;
char *finame = 0;
static char* addchar(struct str_buf *, char);
static char* addstr(struct str_buf *, char*, int);
static void count();
#define MAX_INCLUDE_DEPTH 10
#define MAX_INCLUDE_FNAME 128
static struct oss_yy_state {
YY_BUFFER_STATE state;
int line;
int column;
int startcolumn;
int startline;
char *finame;
} include_stack[MAX_INCLUDE_DEPTH];
static int include_stack_ptr = 0;
static int oss_push_yy_state(char *fin, int mode);
static int oss_pop_yy_state(void);
static struct oss_yy_fname {
char *fname;
struct oss_yy_fname *next;
} *oss_yy_fname_list = 0;
/* hack to solve the duplicate declaration of 'isatty' function */
#define YY_NO_UNISTD_H
/* hack to skip the declaration of lex unused function 'input' */
#define YY_NO_INPUT
%}
/* start conditions */
%x STRING1 STRING2 COMMENT COMMENT_LN SCRIPTVARS
%x INCLF IMPTF
/* action keywords */
FORWARD forward
DROP "drop"
EXIT "exit"
RETURN "return"
SEND send
SEND_TCP send_tcp
LOG log
ERROR error
ROUTE route
ROUTE_FAILURE failure_route
ROUTE_ONREPLY onreply_route
ROUTE_BRANCH branch_route
ROUTE_ERROR error_route
ROUTE_LOCAL local_route
ROUTE_STARTUP startup_route
ROUTE_TIMER timer_route
ROUTE_EVENT event_route
FORCE_RPORT "force_rport"|"add_rport"
FORCE_LOCAL_RPORT "force_local_rport"|"add_local_rport"
FORCE_TCP_ALIAS "force_tcp_alias"|"add_tcp_alias"
SETDEBUG "setdebug"
SETFLAG setflag
RESETFLAG resetflag
ISFLAGSET isflagset
SETBFLAG "setbflag"|"setbranchflag"
RESETBFLAG "resetbflag"|"resetbranchflag"
ISBFLAGSET "isbflagset"|"isbranchflagset"
SETSFLAG "setsflag"|"setscriptflag"
RESETSFLAG "resetsflag"|"resetscriptflag"
ISSFLAGSET "issflagset"|"isscriptflagset"
SET_HOST "rewritehost"|"sethost"|"seth"
SET_HOSTPORT "rewritehostport"|"sethostport"|"sethp"
SET_USER "rewriteuser"|"setuser"|"setu"
SET_USERPASS "rewriteuserpass"|"setuserpass"|"setup"
SET_PORT "rewriteport"|"setport"|"setp"
SET_URI "rewriteuri"|"seturi"
REVERT_URI "revert_uri"
SET_DSTURI "setdsturi"|"setduri"
RESET_DSTURI "resetdsturi"|"resetduri"
ISDSTURISET "isdsturiset"|"isduriset"
PREFIX "prefix"
STRIP "strip"
STRIP_TAIL "strip_tail"
APPEND_BRANCH "append_branch"
REMOVE_BRANCH "remove_branch"
PV_PRINTF "pv_printf"|"avp_printf"
IF "if"
ELSE "else"
SWITCH "switch"
CASE "case"
DEFAULT "default"
SBREAK "break"|"esac"
WHILE "while"
FOR "for"
IN "in"
SET_ADV_ADDRESS "set_advertised_address"
SET_ADV_PORT "set_advertised_port"
FORCE_SEND_SOCKET "force_send_socket"
SERIALIZE_BRANCHES "serialize_branches"
NEXT_BRANCHES "next_branches"
USE_BLACKLIST "use_blacklist"
UNUSE_BLACKLIST "unuse_blacklist"
CACHE_STORE "cache_store"
CACHE_FETCH "cache_fetch"
CACHE_COUNTER_FETCH "cache_counter_fetch"
CACHE_REMOVE "cache_remove"
CACHE_ADD "cache_add"
CACHE_SUB "cache_sub"
CACHE_RAW_QUERY "cache_raw_query"
XDBG "xdbg"
XLOG_BUF_SIZE "xlog_buf_size"
XLOG_FORCE_COLOR "xlog_force_color"
XLOG "xlog"
RAISE_EVENT "raise_event"
SUBSCRIBE_EVENT "subscribe_event"
CONSTRUCT_URI "construct_uri"
GET_TIMESTAMP "get_timestamp"
SCRIPT_TRACE "script_trace"
/*ACTION LVALUES*/
URIHOST "uri:host"
URIPORT "uri:port"
MAX_LEN "max_len"
/* condition keywords */
METHOD method
/* hack -- the second element in first line is referable
as either uri or status; it only would makes sense to
call it "uri" from route{} and status from onreply_route{}
*/
URI "uri"|"status"
FROM_URI "from_uri"
TO_URI "to_uri"
SRCIP src_ip
SRCPORT src_port
DSTIP dst_ip
DSTPORT dst_port
PROTO proto
AF af
MYSELF myself
MSGLEN "msg:len"
/* operators */
EQUAL =
EQUAL_T ==
GT >
LT <
GTE >=
LTE <=
DIFF !=
MATCH =~
NOTMATCH !~
BAND "&"
BOR "|"
BXOR "^"
BNOT "~"
BLSHIFT "<<"
BRSHIFT ">>"
NOT !|"not"
AND "and"|"&&"
OR "or"|"||"
PLUS "+"
MINUS "-"
MULT "*"
MODULO "%"
COLONEQ ":="
PLUSEQ "+="
MINUSEQ "-="
SLASHEQ "/="
MULTEQ "*="
MODULOEQ "%="
BANDEQ "&="
BOREQ "|="
BXOREQ "^="
ASSIGNOP {EQUAL}|{COLONEQ}|{PLUSEQ}|{MINUSEQ}|{SLASHEQ}|{MULTEQ}|{MODULOEQ}|{BANDEQ}|{BOREQ}|{BXOREQ}
BITOP {BAND}|{BOR}|{BXOR}|{BNOT}|{BLSHIFT}|{BRSHIFT}
ARITHOP {PLUS}|{MINUS}|{SLASH}|{MULT}|{MODULO}
LOGOP {EQUAL_T}|{GT}|{LT}|{GTE}|{LTE}|{DIFF}|{MATCH}|{NOTMATCH}|{NOT}|{AND}|{OR}
/* variables */
SCRIPTVAR_START "$"
/* config vars. */
DEBUG debug
FORK fork
LOGSTDERROR log_stderror
LOGFACILITY log_facility
LOGNAME log_name
AVP_ALIASES avp_aliases
LISTEN listen
BIN_LISTEN bin_listen
BIN_CHILDREN bin_children
ALIAS alias
AUTO_ALIASES auto_aliases
DNS dns
REV_DNS rev_dns
DNS_TRY_IPV6 dns_try_ipv6
DNS_TRY_NAPTR dns_try_naptr
DNS_RETR_TIME dns_retr_time
DNS_RETR_NO dns_retr_no
DNS_SERVERS_NO dns_servers_no
DNS_USE_SEARCH dns_use_search_list
PORT port
MAXBUFFER maxbuffer
CHILDREN children
CHECK_VIA check_via
MEMLOG "memlog"|"mem_log"
MEMDUMP "memdump"|"mem_dump"
EXECMSGTHRESHOLD "execmsgthreshold"|"exec_msg_threshold"
EXECDNSTHRESHOLD "execdnsthreshold"|"exec_dns_threshold"
TCPTHRESHOLD "tcpthreshold"|"tcp_threshold"
EVENT_SHM_THRESHOLD "event_shm_threshold"
EVENT_PKG_THRESHOLD "event_pkg_threshold"
QUERYBUFFERSIZE query_buffer_size
QUERYFLUSHTIME query_flush_time
SIP_WARNING sip_warning
SERVER_SIGNATURE server_signature
SERVER_HEADER server_header
USER_AGENT_HEADER user_agent_header
USER "user"|"uid"
GROUP "group"|"gid"
CHROOT "chroot"
WDIR "workdir"|"wdir"
MHOMED mhomed
DISABLE_TCP "disable_tcp"
ASYNC_TCP "tcp_async"
ASYNC_TCP_LOCAL_CON_TIMEOUT "tcp_async_local_connect_timeout"
ASYNC_TCP_LOCAL_WRITE_TIMEOUT "tcp_async_local_write_timeout"
ASYNC_TCP_MAX_POSTPONED_CHUNKS "tcp_async_max_postponed_chunks"
TCP_CHILDREN "tcp_children"
TCP_ACCEPT_ALIASES "tcp_accept_aliases"
TCP_SEND_TIMEOUT "tcp_send_timeout"
TCP_CONNECT_TIMEOUT "tcp_connect_timeout"
TCP_CON_LIFETIME "tcp_connection_lifetime"
TCP_LISTEN_BACKLOG "tcp_listen_backlog"
TCP_POLL_METHOD "tcp_poll_method"
TCP_MAX_CONNECTIONS "tcp_max_connections"
TCP_OPT_CRLF_PINGPONG "tcp_crlf_pingpong"
TCP_NO_NEW_CONN_BFLAG "tcp_no_new_conn_bflag"
TCP_KEEPALIVE "tcp_keepalive"
TCP_KEEPCOUNT "tcp_keepcount"
TCP_KEEPIDLE "tcp_keepidle"
TCP_KEEPINTERVAL "tcp_keepinterval"
TCP_MAX_MSG_CHUNKS "tcp_max_msg_chunks"
TCP_MAX_MSG_TIME "tcp_max_msg_time"
DISABLE_TLS "disable_tls"
TLSLOG "tlslog"|"tls_log"
TLS_PORT_NO "tls_port_no"
TLS_METHOD "tls_method"
TLS_VERIFY_CLIENT "tls_verify_client"
TLS_VERIFY_SERVER "tls_verify_server"
TLS_REQUIRE_CLIENT_CERTIFICATE "tls_require_client_certificate"
TLS_CERTIFICATE "tls_certificate"
TLS_PRIVATE_KEY "tls_private_key"
TLS_CA_LIST "tls_ca_list"
TLS_CIPHERS_LIST "tls_ciphers_list"
TLS_HANDSHAKE_TIMEOUT "tls_handshake_timeout"
TLS_SEND_TIMEOUT "tls_send_timeout"
TLS_SERVER_DOMAIN "tls_server_domain"
TLS_CLIENT_DOMAIN "tls_client_domain"
TLS_CLIENT_DOMAIN_AVP "tls_client_domain_avp"
ADVERTISED_ADDRESS "advertised_address"
ADVERTISED_PORT "advertised_port"
DISABLE_CORE "disable_core_dump"
OPEN_FD_LIMIT "open_files_limit"
MCAST_LOOPBACK "mcast_loopback"
MCAST_TTL "mcast_ttl"
TOS "tos"
DISABLE_DNS_FAILOVER "disable_dns_failover"
DISABLE_DNS_BLACKLIST "disable_dns_blacklist"
DST_BLACKLIST "dst_blacklist"
MAX_WHILE_LOOPS "max_while_loops"
DISABLE_STATELESS_FWD "disable_stateless_fwd"
DB_VERSION_TABLE "db_version_table"
DB_DEFAULT_URL "db_default_url"
DISABLE_503_TRANSLATION "disable_503_translation"
MPATH mpath
LOADMODULE loadmodule
MODPARAM modparam
/* values */
YES "yes"|"true"|"on"|"enable"
NO "no"|"false"|"off"|"disable"
UDP "udp"|"UDP"
TCP "tcp"|"TCP"
TLS "tls"|"TLS"
SCTP "sctp"|"SCTP"
INET "inet"|"INET"
INET6 "inet6"|"INET6"
SSLv23 "sslv23"|"SSLv23"|"SSLV23"
SSLv2 "sslv2"|"SSLv2"|"SSLV2"
SSLv3 "sslv3"|"SSLv3"|"SSLV3"
TLSv1 "tlsv1"|"TLSv1"|"TLSV1"
NULLV "null"|"NULL"
LETTER [a-zA-Z]
DIGIT [0-9]
ALPHANUM {LETTER}|{DIGIT}|[_]
NUMBER 0|([1-9]{DIGIT}*)
/*NUMBER 0|(([-+])?[1-9]{DIGIT}*)*/
ID {LETTER}{ALPHANUM}*
HEX [0-9a-fA-F]
HEXNUMBER 0x{HEX}+
OCTNUMBER 0[0-7]+
HEX4 {HEX}{1,4}
IPV6ADDR ({HEX4}":"){7}{HEX4}|({HEX4}":"){1,7}(":"{HEX4}){1,7}|":"(":"{HEX4}){1,7}|({HEX4}":"){1,7}":"|"::"
QUOTES \"
TICK \'
SLASH "/"
AS {EAT_ABLE}("as"|"AS"){EAT_ABLE}
USE_CHILDREN {EAT_ABLE}("use_children"|"USE_CHILDREN"){EAT_ABLE}
SEMICOLON ;
RPAREN \)
LPAREN \(
LBRACE \{
RBRACE \}
LBRACK \[
RBRACK \]
COMMA ","
COLON ":"
DOT \.
CR \n
ANY "any"
COM_LINE #
COM_START "/\*"
COM_END "\*/"
EAT_ABLE [\ \t\b\r]
WHITESPACE [ \t\r\n]
/* include files */
INCLUDEFILE "include_file"
IMPORTFILE "import_file"
%%
<INITIAL>{EAT_ABLE} { count(); }
<INITIAL>{FORWARD} {count(); yylval.strval=yytext; return FORWARD; }
<INITIAL>{DROP} { count(); yylval.strval=yytext; return DROP; }
<INITIAL>{EXIT} { count(); yylval.strval=yytext; return EXIT; }
<INITIAL>{RETURN} { count(); yylval.strval=yytext; return RETURN; }
<INITIAL>{SEND} { count(); yylval.strval=yytext; return SEND; }
<INITIAL>{LOG} { count(); yylval.strval=yytext; return LOG_TOK; }
<INITIAL>{ERROR} { count(); yylval.strval=yytext; return ERROR; }
<INITIAL>{SETDEBUG} { count(); yylval.strval=yytext; return SETDEBUG; }
<INITIAL>{SETFLAG} { count(); yylval.strval=yytext; return SETFLAG; }
<INITIAL>{RESETFLAG} { count(); yylval.strval=yytext; return RESETFLAG; }
<INITIAL>{ISFLAGSET} { count(); yylval.strval=yytext; return ISFLAGSET; }
<INITIAL>{SETBFLAG} { count(); yylval.strval=yytext; return SETBFLAG; }
<INITIAL>{RESETBFLAG} { count(); yylval.strval=yytext; return RESETBFLAG; }
<INITIAL>{ISBFLAGSET} { count(); yylval.strval=yytext; return ISBFLAGSET; }
<INITIAL>{SETSFLAG} { count(); yylval.strval=yytext; return SETSFLAG; }
<INITIAL>{RESETSFLAG} { count(); yylval.strval=yytext; return RESETSFLAG; }
<INITIAL>{ISSFLAGSET} { count(); yylval.strval=yytext; return ISSFLAGSET; }
<INITIAL>{MSGLEN} { count(); yylval.strval=yytext; return MSGLEN; }
<INITIAL>{ROUTE} { count(); yylval.strval=yytext; return ROUTE; }
<INITIAL>{ROUTE_ONREPLY} { count(); yylval.strval=yytext;
return ROUTE_ONREPLY; }
<INITIAL>{ROUTE_FAILURE} { count(); yylval.strval=yytext;
return ROUTE_FAILURE; }
<INITIAL>{ROUTE_BRANCH} { count(); yylval.strval=yytext; return ROUTE_BRANCH; }
<INITIAL>{ROUTE_ERROR} { count(); yylval.strval=yytext; return ROUTE_ERROR; }
<INITIAL>{ROUTE_LOCAL} { count(); yylval.strval=yytext; return ROUTE_LOCAL; }
<INITIAL>{ROUTE_STARTUP} { count(); yylval.strval=yytext;
return ROUTE_STARTUP; }
<INITIAL>{ROUTE_TIMER} { count(); yylval.strval=yytext;
return ROUTE_TIMER; }
<INITIAL>{ROUTE_EVENT} { count(); yylval.strval=yytext;
return ROUTE_EVENT; }
<INITIAL>{SET_HOST} { count(); yylval.strval=yytext; return SET_HOST; }
<INITIAL>{SET_HOSTPORT} { count(); yylval.strval=yytext; return SET_HOSTPORT; }
<INITIAL>{SET_USER} { count(); yylval.strval=yytext; return SET_USER; }
<INITIAL>{SET_USERPASS} { count(); yylval.strval=yytext; return SET_USERPASS; }
<INITIAL>{SET_PORT} { count(); yylval.strval=yytext; return SET_PORT; }
<INITIAL>{SET_URI} { count(); yylval.strval=yytext; return SET_URI; }
<INITIAL>{REVERT_URI} { count(); yylval.strval=yytext; return REVERT_URI; }
<INITIAL>{SET_DSTURI} { count(); yylval.strval=yytext; return SET_DSTURI; }
<INITIAL>{RESET_DSTURI} { count(); yylval.strval=yytext; return RESET_DSTURI; }
<INITIAL>{ISDSTURISET} { count(); yylval.strval=yytext; return ISDSTURISET; }
<INITIAL>{PREFIX} { count(); yylval.strval=yytext; return PREFIX; }
<INITIAL>{STRIP} { count(); yylval.strval=yytext; return STRIP; }
<INITIAL>{STRIP_TAIL} { count(); yylval.strval=yytext; return STRIP_TAIL; }
<INITIAL>{APPEND_BRANCH} { count(); yylval.strval=yytext;
return APPEND_BRANCH; }
<INITIAL>{REMOVE_BRANCH} { count(); yylval.strval=yytext;
return REMOVE_BRANCH; }
<INITIAL>{PV_PRINTF} { count(); yylval.strval=yytext;
return PV_PRINTF; }
<INITIAL>{FORCE_RPORT} { count(); yylval.strval=yytext; return FORCE_RPORT; }
<INITIAL>{FORCE_LOCAL_RPORT} { count(); yylval.strval=yytext; return FORCE_LOCAL_RPORT; }
<INITIAL>{FORCE_TCP_ALIAS} { count(); yylval.strval=yytext;
return FORCE_TCP_ALIAS; }
<INITIAL>{IF} { count(); yylval.strval=yytext; return IF; }
<INITIAL>{ELSE} { count(); yylval.strval=yytext; return ELSE; }
<INITIAL>{SWITCH} { count(); yylval.strval=yytext; return SWITCH; }
<INITIAL>{CASE} { count(); yylval.strval=yytext; return CASE; }
<INITIAL>{DEFAULT} { count(); yylval.strval=yytext; return DEFAULT; }
<INITIAL>{SBREAK} { count(); yylval.strval=yytext; return SBREAK; }
<INITIAL>{WHILE} { count(); yylval.strval=yytext; return WHILE; }
<INITIAL>{FOR} { count(); yylval.strval=yytext; return FOR; }
<INITIAL>{IN} { count(); yylval.strval=yytext; return IN; }
<INITIAL>{INCLUDEFILE} { count(); BEGIN(INCLF); }
<INITIAL>{IMPORTFILE} { count(); BEGIN(IMPTF); }
<INITIAL>{SET_ADV_ADDRESS} { count(); yylval.strval=yytext;
return SET_ADV_ADDRESS; }
<INITIAL>{SET_ADV_PORT} { count(); yylval.strval=yytext;
return SET_ADV_PORT; }
<INITIAL>{FORCE_SEND_SOCKET} { count(); yylval.strval=yytext;
return FORCE_SEND_SOCKET; }
<INITIAL>{SERIALIZE_BRANCHES} { count(); yylval.strval=yytext;
return SERIALIZE_BRANCHES; }
<INITIAL>{NEXT_BRANCHES} { count(); yylval.strval=yytext;
return NEXT_BRANCHES; }
<INITIAL>{USE_BLACKLIST} { count(); yylval.strval=yytext;
return USE_BLACKLIST; }
<INITIAL>{UNUSE_BLACKLIST} { count(); yylval.strval=yytext;
return UNUSE_BLACKLIST; }
<INITIAL>{CACHE_STORE} { count(); yylval.strval=yytext;
return CACHE_STORE; }
<INITIAL>{CACHE_FETCH} { count(); yylval.strval=yytext;
return CACHE_FETCH; }
<INITIAL>{CACHE_COUNTER_FETCH} { count(); yylval.strval=yytext;
return CACHE_COUNTER_FETCH; }
<INITIAL>{CACHE_REMOVE} { count(); yylval.strval=yytext;
return CACHE_REMOVE; }
<INITIAL>{CACHE_ADD} { count(); yylval.strval=yytext;
return CACHE_ADD; }
<INITIAL>{CACHE_SUB} { count(); yylval.strval=yytext;
return CACHE_SUB; }
<INITIAL>{CACHE_RAW_QUERY} { count(); yylval.strval=yytext;
return CACHE_RAW_QUERY; }
<INITIAL>{XDBG} { count(); yylval.strval=yytext;
return XDBG; }
<INITIAL>{XLOG} { count(); yylval.strval=yytext;
return XLOG; }
<INITIAL>{XLOG_BUF_SIZE} { count(); yylval.strval=yytext;
return XLOG_BUF_SIZE; }
<INITIAL>{XLOG_FORCE_COLOR} { count(); yylval.strval=yytext;
return XLOG_FORCE_COLOR;}
<INITIAL>{RAISE_EVENT} { count(); yylval.strval=yytext;
return RAISE_EVENT;}
<INITIAL>{SUBSCRIBE_EVENT} { count(); yylval.strval=yytext;
return SUBSCRIBE_EVENT;}
<INITIAL>{CONSTRUCT_URI} { count(); yylval.strval=yytext;
return CONSTRUCT_URI;}
<INITIAL>{GET_TIMESTAMP} { count(); yylval.strval=yytext;
return GET_TIMESTAMP;}
<INITIAL>{SCRIPT_TRACE} { count(); yylval.strval=yytext;
return SCRIPT_TRACE;}
<INITIAL>{MAX_LEN} { count(); yylval.strval=yytext; return MAX_LEN; }
<INITIAL>{METHOD} { count(); yylval.strval=yytext; return METHOD; }
<INITIAL>{URI} { count(); yylval.strval=yytext; return URI; }
<INITIAL>{FROM_URI} { count(); yylval.strval=yytext; return FROM_URI; }
<INITIAL>{TO_URI} { count(); yylval.strval=yytext; return TO_URI; }
<INITIAL>{SRCIP} { count(); yylval.strval=yytext; return SRCIP; }
<INITIAL>{SRCPORT} { count(); yylval.strval=yytext; return SRCPORT; }
<INITIAL>{DSTIP} { count(); yylval.strval=yytext; return DSTIP; }
<INITIAL>{DSTPORT} { count(); yylval.strval=yytext; return DSTPORT; }
<INITIAL>{PROTO} { count(); yylval.strval=yytext; return PROTO; }
<INITIAL>{AF} { count(); yylval.strval=yytext; return AF; }
<INITIAL>{MYSELF} { count(); yylval.strval=yytext; return MYSELF; }
<INITIAL>{DEBUG} { count(); yylval.strval=yytext; return DEBUG; }
<INITIAL>{FORK} { count(); yylval.strval=yytext; return FORK; }
<INITIAL>{LOGSTDERROR} { yylval.strval=yytext; return LOGSTDERROR; }
<INITIAL>{LOGFACILITY} { yylval.strval=yytext; return LOGFACILITY; }
<INITIAL>{LOGNAME} { yylval.strval=yytext; return LOGNAME; }
<INITIAL>{AVP_ALIASES} { yylval.strval=yytext; return AVP_ALIASES; }
<INITIAL>{LISTEN} { count(); yylval.strval=yytext; return LISTEN; }
<INITIAL>{BIN_CHILDREN} { count(); yylval.strval=yytext;
return BIN_CHILDREN; }
<INITIAL>{BIN_LISTEN} { count(); yylval.strval=yytext;
return BIN_LISTEN; }
<INITIAL>{ALIAS} { count(); yylval.strval=yytext; return ALIAS; }
<INITIAL>{AUTO_ALIASES} { count(); yylval.strval=yytext; return AUTO_ALIASES; }
<INITIAL>{DNS} { count(); yylval.strval=yytext; return DNS; }
<INITIAL>{REV_DNS} { count(); yylval.strval=yytext; return REV_DNS; }
<INITIAL>{DNS_TRY_IPV6} { count(); yylval.strval=yytext;
return DNS_TRY_IPV6; }
<INITIAL>{DNS_TRY_NAPTR} { count(); yylval.strval=yytext;
return DNS_TRY_NAPTR; }
<INITIAL>{DNS_RETR_TIME} { count(); yylval.strval=yytext;
return DNS_RETR_TIME; }
<INITIAL>{DNS_RETR_NO} { count(); yylval.strval=yytext;
return DNS_RETR_NO; }
<INITIAL>{DNS_SERVERS_NO} { count(); yylval.strval=yytext;
return DNS_SERVERS_NO; }
<INITIAL>{DNS_USE_SEARCH} { count(); yylval.strval=yytext;
return DNS_USE_SEARCH; }
<INITIAL>{PORT} { count(); yylval.strval=yytext; return PORT; }
<INITIAL>{MAX_WHILE_LOOPS} { count(); yylval.strval=yytext;
return MAX_WHILE_LOOPS; }
<INITIAL>{MAXBUFFER} { count(); yylval.strval=yytext; return MAXBUFFER; }
<INITIAL>{CHILDREN} { count(); yylval.strval=yytext; return CHILDREN; }
<INITIAL>{CHECK_VIA} { count(); yylval.strval=yytext; return CHECK_VIA; }
<INITIAL>{MEMLOG} { count(); yylval.strval=yytext; return MEMLOG; }
<INITIAL>{MEMDUMP} { count(); yylval.strval=yytext; return MEMDUMP; }
<INITIAL>{EXECMSGTHRESHOLD} { count(); yylval.strval=yytext; return EXECMSGTHRESHOLD; }
<INITIAL>{EXECDNSTHRESHOLD} { count(); yylval.strval=yytext; return EXECDNSTHRESHOLD; }
<INITIAL>{TCPTHRESHOLD} { count(); yylval.strval=yytext; return TCPTHRESHOLD; }
<INITIAL>{EVENT_SHM_THRESHOLD} { count(); yylval.strval=yytext; return EVENT_SHM_THRESHOLD; }
<INITIAL>{EVENT_PKG_THRESHOLD} { count(); yylval.strval=yytext; return EVENT_PKG_THRESHOLD; }
<INITIAL>{QUERYBUFFERSIZE} { count(); yylval.strval=yytext; return QUERYBUFFERSIZE; }
<INITIAL>{QUERYFLUSHTIME} { count(); yylval.strval=yytext; return QUERYFLUSHTIME; }
<INITIAL>{SIP_WARNING} { count(); yylval.strval=yytext; return SIP_WARNING; }
<INITIAL>{USER} { count(); yylval.strval=yytext; return USER; }
<INITIAL>{GROUP} { count(); yylval.strval=yytext; return GROUP; }
<INITIAL>{CHROOT} { count(); yylval.strval=yytext; return CHROOT; }
<INITIAL>{WDIR} { count(); yylval.strval=yytext; return WDIR; }
<INITIAL>{MHOMED} { count(); yylval.strval=yytext; return MHOMED; }
<INITIAL>{TCP_OPT_CRLF_PINGPONG} { count(); yylval.strval=yytext; return TCP_OPT_CRLF_PINGPONG; }
<INITIAL>{TCP_NO_NEW_CONN_BFLAG} { count(); yylval.strval=yytext; return TCP_NO_NEW_CONN_BFLAG; }
<INITIAL>{DISABLE_TCP} { count(); yylval.strval=yytext; return DISABLE_TCP; }
<INITIAL>{ASYNC_TCP} { count(); yylval.strval=yytext; return ASYNC_TCP; }
<INITIAL>{ASYNC_TCP_LOCAL_CON_TIMEOUT} { count(); yylval.strval=yytext; return ASYNC_TCP_LOCAL_CON_TIMEOUT; }
<INITIAL>{ASYNC_TCP_LOCAL_WRITE_TIMEOUT} { count(); yylval.strval=yytext;
return ASYNC_TCP_LOCAL_WRITE_TIMEOUT; }
<INITIAL>{ASYNC_TCP_MAX_POSTPONED_CHUNKS} { count(); yylval.strval=yytext;
return ASYNC_TCP_MAX_POSTPONED_CHUNKS; }
<INITIAL>{TCP_CHILDREN} { count(); yylval.strval=yytext; return TCP_CHILDREN; }
<INITIAL>{TCP_ACCEPT_ALIASES} { count(); yylval.strval=yytext;
return TCP_ACCEPT_ALIASES; }
<INITIAL>{TCP_SEND_TIMEOUT} { count(); yylval.strval=yytext;
return TCP_SEND_TIMEOUT; }
<INITIAL>{TCP_CONNECT_TIMEOUT} { count(); yylval.strval=yytext;
return TCP_CONNECT_TIMEOUT; }
<INITIAL>{TCP_CON_LIFETIME} { count(); yylval.strval=yytext;
return TCP_CON_LIFETIME; }
<INITIAL>{TCP_LISTEN_BACKLOG} { count(); yylval.strval=yytext;
return TCP_LISTEN_BACKLOG; }
<INITIAL>{TCP_POLL_METHOD} { count(); yylval.strval=yytext;
return TCP_POLL_METHOD; }
<INITIAL>{TCP_MAX_CONNECTIONS} { count(); yylval.strval=yytext;
return TCP_MAX_CONNECTIONS; }
<INITIAL>{TCP_KEEPALIVE} { count(); yylval.strval=yytext; return TCP_KEEPALIVE; }
<INITIAL>{TCP_KEEPCOUNT} { count(); yylval.strval=yytext; return TCP_KEEPCOUNT; }
<INITIAL>{TCP_KEEPIDLE} { count(); yylval.strval=yytext; return TCP_KEEPIDLE; }
<INITIAL>{TCP_KEEPINTERVAL} { count(); yylval.strval=yytext; return TCP_KEEPINTERVAL; }
<INITIAL>{DISABLE_TLS} { count(); yylval.strval=yytext; return DISABLE_TLS; }
<INITIAL>{TLSLOG} { count(); yylval.strval=yytext; return TLS_PORT_NO; }
<INITIAL>{TLS_PORT_NO} { count(); yylval.strval=yytext; return TLS_PORT_NO; }
<INITIAL>{TLS_METHOD} { count(); yylval.strval=yytext; return TLS_METHOD; }
<INITIAL>{TLS_VERIFY_CLIENT} { count(); yylval.strval=yytext; return TLS_VERIFY_CLIENT; }
<INITIAL>{TLS_VERIFY_SERVER} { count(); yylval.strval=yytext; return TLS_VERIFY_SERVER; }
<INITIAL>{TLS_REQUIRE_CLIENT_CERTIFICATE} { count(); yylval.strval=yytext;
return TLS_REQUIRE_CLIENT_CERTIFICATE;}
<INITIAL>{TLS_CERTIFICATE} { count(); yylval.strval=yytext;
return TLS_CERTIFICATE; }
<INITIAL>{TLS_PRIVATE_KEY} { count(); yylval.strval=yytext;
return TLS_PRIVATE_KEY; }
<INITIAL>{TLS_CA_LIST} { count(); yylval.strval=yytext;
return TLS_CA_LIST; }
<INITIAL>{TLS_CIPHERS_LIST} { count(); yylval.strval=yytext;
return TLS_CIPHERS_LIST; }
<INITIAL>{TLS_HANDSHAKE_TIMEOUT} { count(); yylval.strval=yytext;
return TLS_HANDSHAKE_TIMEOUT; }
<INITIAL>{TLS_SEND_TIMEOUT} { count(); yylval.strval=yytext;
return TLS_SEND_TIMEOUT; }
<INITIAL>{TLS_SERVER_DOMAIN} { count(); yylval.strval=yytext;
return TLS_SERVER_DOMAIN; }
<INITIAL>{TLS_CLIENT_DOMAIN} { count(); yylval.strval=yytext;
return TLS_CLIENT_DOMAIN; }
<INITIAL>{TLS_CLIENT_DOMAIN_AVP} { count(); yylval.strval=yytext;
return TLS_CLIENT_DOMAIN_AVP; }
<INITIAL>{SERVER_SIGNATURE} { count(); yylval.strval=yytext; return SERVER_SIGNATURE; }
<INITIAL>{SERVER_HEADER} { count(); yylval.strval=yytext; return SERVER_HEADER; }
<INITIAL>{USER_AGENT_HEADER} { count(); yylval.strval=yytext; return USER_AGENT_HEADER; }
<INITIAL>{ADVERTISED_ADDRESS} { count(); yylval.strval=yytext;
return ADVERTISED_ADDRESS; }
<INITIAL>{ADVERTISED_PORT} { count(); yylval.strval=yytext;
return ADVERTISED_PORT; }
<INITIAL>{DISABLE_CORE} { count(); yylval.strval=yytext;
return DISABLE_CORE; }
<INITIAL>{OPEN_FD_LIMIT} { count(); yylval.strval=yytext;
return OPEN_FD_LIMIT; }
<INITIAL>{MCAST_LOOPBACK} { count(); yylval.strval=yytext;
return MCAST_LOOPBACK; }
<INITIAL>{MCAST_TTL} { count(); yylval.strval=yytext;
return MCAST_TTL; }
<INITIAL>{TOS} { count(); yylval.strval=yytext;
return TOS; }
<INITIAL>{DISABLE_DNS_FAILOVER} { count(); yylval.strval=yytext;
return DISABLE_DNS_FAILOVER; }
<INITIAL>{DISABLE_DNS_BLACKLIST} { count(); yylval.strval=yytext;
return DISABLE_DNS_BLACKLIST; }
<INITIAL>{DST_BLACKLIST} { count(); yylval.strval=yytext;
return DST_BLACKLIST; }
<INITIAL>{DISABLE_STATELESS_FWD} { count(); yylval.strval=yytext;
return DISABLE_STATELESS_FWD; }
<INITIAL>{DB_VERSION_TABLE} { count(); yylval.strval=yytext;
return DB_VERSION_TABLE; }
<INITIAL>{DB_DEFAULT_URL} { count(); yylval.strval=yytext;
return DB_DEFAULT_URL; }
<INITIAL>{DISABLE_503_TRANSLATION} { count(); yylval.strval=yytext;
return DISABLE_503_TRANSLATION; }
<INITIAL>{MPATH} { count(); yylval.strval=yytext; return MPATH; }
<INITIAL>{LOADMODULE} { count(); yylval.strval=yytext; return LOADMODULE; }
<INITIAL>{MODPARAM} { count(); yylval.strval=yytext; return MODPARAM; }
<INITIAL>{EQUAL} { count(); return EQUAL; }
<INITIAL>{EQUAL_T} { count(); return EQUAL_T; }
<INITIAL>{GT} { count(); return GT; }
<INITIAL>{LT} { count(); return LT; }
<INITIAL>{GTE} { count(); return GTE; }
<INITIAL>{LTE} { count(); return LTE; }
<INITIAL>{DIFF} { count(); return DIFF; }
<INITIAL>{MATCH} { count(); return MATCH; }
<INITIAL>{NOTMATCH} { count(); return NOTMATCH; }
<INITIAL>{NOT} { count(); return NOT; }
<INITIAL>{AND} { count(); return AND; }
<INITIAL>{OR} { count(); return OR; }
<INITIAL>{PLUS} { count(); return PLUS; }
<INITIAL>{MINUS} { count(); return MINUS; }
<INITIAL>{BAND} { count(); return BAND; }
<INITIAL>{BOR} { count(); return BOR; }
<INITIAL>{BXOR} { count(); return BXOR; }
<INITIAL>{BNOT} { count(); return BNOT; }
<INITIAL>{BLSHIFT} { count(); return BLSHIFT; }
<INITIAL>{BRSHIFT} { count(); return BRSHIFT; }
<INITIAL>{MULT} { count(); return MULT; }
<INITIAL>{MODULO} { count(); return MODULO; }
<INITIAL>{COLONEQ} { count(); return COLONEQ; }
<INITIAL>{PLUSEQ} { count(); return PLUSEQ; }
<INITIAL>{MINUSEQ} { count(); return MINUSEQ; }
<INITIAL>{SLASHEQ} { count(); return SLASHEQ; }
<INITIAL>{MULTEQ} { count(); return MULTEQ; }
<INITIAL>{MODULOEQ} { count(); return MODULOEQ; }
<INITIAL>{BANDEQ} { count(); return BANDEQ; }
<INITIAL>{BOREQ} { count(); return BOREQ; }
<INITIAL>{BXOREQ} { count(); return BXOREQ; }
<INITIAL>{IPV6ADDR} { count(); yylval.strval=yytext; return IPV6ADDR; }
<INITIAL>{NUMBER} { count(); yylval.intval=atoi(yytext);return NUMBER; }
<INITIAL>{HEXNUMBER} { count(); yylval.intval=(int)strtol(yytext, 0, 16);
return NUMBER; }
<INITIAL>{OCTNUMBER} { count(); yylval.intval=(int)strtol(yytext, 0, 8);
return NUMBER; }
<INITIAL>{YES} { count(); yylval.intval=1; return NUMBER; }
<INITIAL>{NO} { count(); yylval.intval=0; return NUMBER; }
<INITIAL>{NULLV} { count(); yylval.intval=0; return NULLV; }
<INITIAL>{TCP} { count(); return TCP; }
<INITIAL>{UDP} { count(); return UDP; }
<INITIAL>{TLS} { count(); return TLS; }
<INITIAL>{SCTP} { count(); return SCTP; }
<INITIAL>{INET} { count(); yylval.intval=AF_INET; return NUMBER; }
<INITIAL>{INET6} { count();
#ifdef USE_IPV6
yylval.intval=AF_INET6;
#else
yylval.intval=-1; /* no match*/
#endif
return NUMBER; }
<INITIAL>{SSLv23} { count(); yylval.strval=yytext; return SSLv23; }
<INITIAL>{SSLv2} { count(); yylval.strval=yytext; return SSLv2; }
<INITIAL>{SSLv3} { count(); yylval.strval=yytext; return SSLv3; }
<INITIAL>{TLSv1} { count(); yylval.strval=yytext; return TLSv1; }
<INITIAL>{COMMA} { count(); return COMMA; }
<INITIAL>{SEMICOLON} { count(); return SEMICOLON; }
<INITIAL>{USE_CHILDREN} { count(); return USE_CHILDREN; }
<INITIAL>{COLON} { count(); return COLON; }
<INITIAL>{RPAREN} { count(); return RPAREN; }
<INITIAL>{LPAREN} { count(); return LPAREN; }
<INITIAL>{LBRACE} { count(); return LBRACE; }
<INITIAL>{RBRACE} { count(); return RBRACE; }
<INITIAL>{LBRACK} { count(); return LBRACK; }
<INITIAL>{RBRACK} { count(); return RBRACK; }
<INITIAL>{AS} { count(); return AS; }
<INITIAL>{DOT} { count(); return DOT; }
<INITIAL>\\{CR} {count(); } /* eat the escaped CR */
<INITIAL>{CR} { count();/* return CR;*/ }
<INITIAL>{ANY} { count(); return ANY; }
<INITIAL>{SLASH} { count(); return SLASH; }
<INITIAL>{SCRIPTVAR_START} { count(); np=0; state=SCRIPTVAR_S;
svar_tlen = yyleng;
yymore();
BEGIN(SCRIPTVARS);
}
<SCRIPTVARS>{LPAREN} { count(); np++; yymore(); svar_tlen = yyleng; }
<SCRIPTVARS>{RPAREN} {
count();
if(np==0 || np==1) {
if(np==0)
{
addstr(&s_buf, yytext, yyleng-1);
unput(yytext[yyleng-1]);
yyleng--;
} else {
addstr(&s_buf, yytext, yyleng);
np--;
}
state=INITIAL_S;
BEGIN(INITIAL);
yylval.strval=s_buf.s;
memset(&s_buf, 0, sizeof(s_buf));
return SCRIPTVAR;
} else {
np--;
yymore();
svar_tlen = yyleng;
}
}
<SCRIPTVARS>{WHITESPACE} {
count();
if(np==0) {
addstr(&s_buf, yytext, yyleng-1);
unput(yytext[yyleng-1]);
yyleng--;
state=INITIAL_S;
BEGIN(INITIAL);
yylval.strval=s_buf.s;
memset(&s_buf, 0, sizeof(s_buf));
return SCRIPTVAR;
} else {
yymore();
svar_tlen = yyleng;
}
}
<SCRIPTVARS>{SEMICOLON}|{ASSIGNOP}|{ARITHOP}|{BITOP}|{LOGOP} {
count();
if(np==0) {
addstr(&s_buf, yytext, svar_tlen);
while(yyleng>svar_tlen) {
unput(yytext[yyleng-1]);
yyleng--;
}
state=INITIAL_S;
BEGIN(INITIAL);
yylval.strval=s_buf.s;
memset(&s_buf, 0, sizeof(s_buf));
return SCRIPTVAR;
} else {
yymore();
svar_tlen = yyleng;
}
}
<SCRIPTVARS>. { yymore(); svar_tlen = yyleng; }
<INITIAL>{QUOTES} { count(); state=STRING_S; BEGIN(STRING1); }
<INITIAL>{TICK} { count(); state=STRING_S; BEGIN(STRING2); }
<STRING1>{QUOTES} { count(); state=INITIAL_S; BEGIN(INITIAL);
yytext[yyleng-1]=0; yyleng--;
addstr(&s_buf, yytext, yyleng);
yylval.strval=s_buf.s;
memset(&s_buf, 0, sizeof(s_buf));
return STRING;
}
<STRING2>{TICK} { count(); state=INITIAL_S; BEGIN(INITIAL);
yytext[yyleng-1]=0; yyleng--;
addstr(&s_buf, yytext, yyleng);
yylval.strval=s_buf.s;
memset(&s_buf, 0, sizeof(s_buf));
return STRING;
}
<STRING2>.|{EAT_ABLE}|{CR} { yymore(); }
<STRING1>\\n { count(); addchar(&s_buf, '\n'); }
<STRING1>\\r { count(); addchar(&s_buf, '\r'); }
<STRING1>\\a { count(); addchar(&s_buf, '\a'); }
<STRING1>\\t { count(); addchar(&s_buf, '\t'); }
<STRING1>\\{QUOTES} { count(); addchar(&s_buf, '"'); }
<STRING1>\\\\ { count(); addchar(&s_buf, '\\'); }
<STRING1>\\x{HEX}{1,2} { count(); addchar(&s_buf,
(char)strtol(yytext+2, 0, 16)); }
/* don't allow \[0-7]{1}, it will eat the backreferences from
subst_uri if allowed (although everybody should use '' in subt_uri) */
<STRING1>\\[0-7]{2,3} { count(); addchar(&s_buf,
(char)strtol(yytext+1, 0, 8)); }
<STRING1>\\{CR} { count(); } /* eat escaped CRs */
<STRING1>{CR} { count();addchar(&s_buf, *yytext); }
<STRING1>.|{EAT_ABLE}|{CR} { addchar(&s_buf, *yytext); }
<INITIAL,COMMENT>{COM_START} { count(); comment_nest++; state=COMMENT_S;
BEGIN(COMMENT); }
<COMMENT>{COM_END} { count(); comment_nest--;
if (comment_nest==0){
state=INITIAL_S;
BEGIN(INITIAL);
}
}
<COMMENT>.|{EAT_ABLE}|{CR} { count(); };
<INITIAL>{COM_LINE}.*{CR} { count(); }
<INITIAL>{ID} { count(); addstr(&s_buf, yytext, yyleng);
yylval.strval=s_buf.s;
memset(&s_buf, 0, sizeof(s_buf));
return ID; }
<INCLF>[ \t]* /* eat the whitespace */
<INCLF>[^ \t\n]+ { /* get the include file name */
memset(&s_buf, 0, sizeof(s_buf));
addstr(&s_buf, yytext, yyleng);
if(oss_push_yy_state(s_buf.s, 0)<0)
{
LM_CRIT("error at %s line %d\n", (finame)?finame:"cfg", line);
exit(-1);
}
memset(&s_buf, 0, sizeof(s_buf));
BEGIN(INITIAL);
}
<IMPTF>[ \t]* /* eat the whitespace */
<IMPTF>[^ \t\n]+ { /* get the import file name */
memset(&s_buf, 0, sizeof(s_buf));
addstr(&s_buf, yytext, yyleng);
if(oss_push_yy_state(s_buf.s, 1)<0)
{
LM_CRIT("error at %s line %d\n", (finame)?finame:"cfg", line);
exit(-1);
}
memset(&s_buf, 0, sizeof(s_buf));
BEGIN(INITIAL);
}
<<EOF>> {
switch(state){
case STRING_S:
LM_CRIT("cfg. parser: unexpected EOF in"
" unclosed string\n");
if (s_buf.s){
pkg_free(s_buf.s);
memset(&s_buf, 0,
sizeof(s_buf));
}
break;
case COMMENT_S:
LM_CRIT("cfg. parser: unexpected EOF:"
" %d comments open\n", comment_nest);
break;
case COMMENT_LN_S:
LM_CRIT("unexpected EOF:"
"comment line open\n");
break;
}
if(oss_pop_yy_state()<0)
return 0;
}
%%
static char* addchar(struct str_buf* dst, char c)
{
return addstr(dst, &c, 1);
}
static char* addstr(struct str_buf* dst_b, char* src, int len)
{
char *tmp;
unsigned size;
unsigned used;
if (dst_b->left<(len+1)){
used=(unsigned)(dst_b->crt-dst_b->s);
size=used+len+1;
/* round up to next multiple */
size+= STR_BUF_ALLOC_UNIT-size%STR_BUF_ALLOC_UNIT;
tmp=pkg_malloc(size);
if (tmp==0) goto error;
if (dst_b->s){
memcpy(tmp, dst_b->s, used);
pkg_free(dst_b->s);
}
dst_b->s=tmp;
dst_b->crt=dst_b->s+used;
dst_b->left=size-used;
}
memcpy(dst_b->crt, src, len);
dst_b->crt+=len;
*(dst_b->crt)=0;
dst_b->left-=len;
return dst_b->s;
error:
LM_CRIT("lex:addstr: memory allocation error\n");
return 0;
}