304 lines
10 KiB
C
304 lines
10 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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/*! \file config_cmdline.c
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* \brief configuration module, command line parsing implementation
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* \author Francois TABURET
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* \date 2017
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* \version 0.1
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* \company NOKIA BellLabs France
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* \email: francois.taburet@nokia-bell-labs.com
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* \note
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* \warning
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*/
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#define _GNU_SOURCE
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <ctype.h>
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#include <errno.h>
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#include <platform_types.h>
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#include "config_userapi.h"
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#include "../utils/LOG/log.h"
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int parse_stringlist(paramdef_t *cfgoptions, char *val) {
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char *atoken;
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char *tokctx = NULL;
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char *tmpval=strdup(val);
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int numelt=0;
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cfgoptions->numelt=0;
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atoken=strtok_r(tmpval, ",",&tokctx);
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while(atoken != NULL) {
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numelt++ ;
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atoken=strtok_r(NULL, ",",&tokctx);
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}
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free(tmpval);
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AssertFatal(MAX_LIST_SIZE > numelt,
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"This piece of code use fixed size arry of constant #define MAX_LIST_SIZE %d\n",
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MAX_LIST_SIZE );
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config_check_valptr(cfgoptions, sizeof(char*), numelt);
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cfgoptions->numelt=numelt;
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atoken=strtok_r(val, ",",&tokctx);
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for( int i=0; i<cfgoptions->numelt && atoken != NULL ; i++) {
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snprintf(cfgoptions->strlistptr[i],DEFAULT_EXTRA_SZ,"%s",atoken);
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printf_params("[LIBCONFIG] %s[%i]: %s\n", cfgoptions->optname,i,cfgoptions->strlistptr[i]);
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atoken=strtok_r(NULL, ",",&tokctx);
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}
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return (cfgoptions->numelt > 0);
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}
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int processoption(paramdef_t *cfgoptions, char *value) {
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char *tmpval = value;
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int optisset=0;
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char defbool[2]="1";
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if ( value == NULL) {
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if( (cfgoptions->paramflags &PARAMFLAG_BOOL) == 0 ) { /* not a boolean, argument required */
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CONFIG_PRINTF_ERROR("[CONFIG] command line, option %s requires an argument\n",cfgoptions->optname);
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} else { /* boolean value option without argument, set value to true*/
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tmpval = defbool;
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}
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}
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switch(cfgoptions->type) {
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char *charptr;
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case TYPE_STRING:
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if (cfgoptions->numelt == 0 )
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config_check_valptr(cfgoptions, 1,
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strlen(tmpval)+1);
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if (cfgoptions->numelt < (strlen(tmpval)+1)) {
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CONFIG_PRINTF_ERROR("[CONFIG] command line option %s value too long\n",
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cfgoptions->optname);
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}
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snprintf(*cfgoptions->strptr, cfgoptions->numelt ,"%s",tmpval);
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printf_cmdl("[CONFIG] %s set to %s from command line\n", cfgoptions->optname, tmpval);
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optisset=1;
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break;
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case TYPE_STRINGLIST:
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optisset=parse_stringlist(cfgoptions,tmpval);
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break;
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case TYPE_UINT32:
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case TYPE_INT32:
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case TYPE_UINT16:
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case TYPE_INT16:
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case TYPE_UINT8:
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case TYPE_INT8:
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config_check_valptr(cfgoptions, sizeof(*cfgoptions->iptr), 1);
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config_assign_int(cfgoptions,cfgoptions->optname,(int32_t)strtol(tmpval,&charptr,0));
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if( *charptr != 0) {
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CONFIG_PRINTF_ERROR("[CONFIG] command line, option %s requires an integer argument\n",cfgoptions->optname);
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}
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optisset=1;
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break;
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case TYPE_UINT64:
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case TYPE_INT64:
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config_check_valptr(cfgoptions, sizeof(*cfgoptions->i64ptr), 1);
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*(cfgoptions->i64ptr)=strtoll(tmpval,&charptr,0);
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if( *charptr != 0) {
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CONFIG_PRINTF_ERROR("[CONFIG] command line, option %s requires an integer argument\n",cfgoptions->optname);
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}
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printf_cmdl("[CONFIG] %s set to %lli from command line\n", cfgoptions->optname, (long long)*cfgoptions->i64ptr);
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optisset=1;
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break;
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case TYPE_UINTARRAY:
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case TYPE_INTARRAY:
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break;
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case TYPE_DOUBLE:
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config_check_valptr(cfgoptions, sizeof(*cfgoptions->dblptr), 1);
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*cfgoptions->dblptr = strtof(tmpval,&charptr);
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if( *charptr != 0) {
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CONFIG_PRINTF_ERROR("[CONFIG] command line, option %s requires a double argument\n",cfgoptions->optname);
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}
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printf_cmdl("[CONFIG] %s set to %lf from command line\n", cfgoptions->optname, *(cfgoptions->dblptr));
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optisset=1;
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break;
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case TYPE_IPV4ADDR:
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break;
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default:
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CONFIG_PRINTF_ERROR("[CONFIG] command line, %s type %i not supported\n",cfgoptions->optname, cfgoptions->type);
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break;
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} /* switch on param type */
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if (optisset == 1) {
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cfgoptions->paramflags = cfgoptions->paramflags | PARAMFLAG_PARAMSET;
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}
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return optisset;
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}
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/*--------------------------------------------------------------------*/
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/* check unknown options in the command line
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*/
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int config_check_unknown_cmdlineopt(char *prefix) {
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int unknowndetected=0;
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char testprefix[CONFIG_MAXOPTLENGTH];
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int finalcheck = 0;
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memset(testprefix,0,sizeof(testprefix));
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memset(testprefix,0,sizeof(testprefix));
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if (prefix != NULL) {
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if (strcmp(prefix,CONFIG_CHECKALLSECTIONS) == 0)
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finalcheck = 1;
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else if (strlen(prefix) > 0) {
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sprintf(testprefix,"--%.*s.",CONFIG_MAXOPTLENGTH-4,prefix);
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}
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}
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for (int i=1; i<config_get_if()->argc ; i++) {
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if ( !finalcheck && strstr(config_get_if()->argv[i],testprefix) == NULL ) continue;
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if ( !finalcheck && testprefix[0]==0 && index(config_get_if()->argv[i],'.') != NULL) continue;
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if ( !finalcheck && isdigit(config_get_if()->argv[i][0])) continue;
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if ( !finalcheck && config_get_if()->argv[i][0] == '-' && isdigit(config_get_if()->argv[i][1])) continue;
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if ( (config_get_if()->argv_info[i] & CONFIG_CMDLINEOPT_PROCESSED) == 0 ) {
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fprintf(stderr,"[CONFIG] unknown option: %s\n",
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config_get_if()->argv[i] );
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unknowndetected++;
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}
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}
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if (unknowndetected > 0) {
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CONFIG_PRINTF_ERROR("[CONFIG] %i unknown option(s) in command line starting with %s (section %s)\n",
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unknowndetected,testprefix,((prefix==NULL)?"":prefix));
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}
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return unknowndetected;
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} /* config_check_unknown_cmdlineopt */
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int config_process_cmdline(paramdef_t *cfgoptions,int numoptions, char *prefix) {
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int c = config_get_if()->argc;
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int i,j;
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char *pp;
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char cfgpath[CONFIG_MAXOPTLENGTH];
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j = 0;
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i = 0;
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while (c > 0 ) {
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char *oneargv = strdup(config_get_if()->argv[i]); /* we use strtok_r which modifies its string paramater, and we don't want argv to be modified */
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if(!oneargv) abort();
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/* first check help options, either --help, -h or --help_<section> */
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if (strncmp(oneargv, "-h",2) == 0 || strncmp(oneargv, "--help",6) == 0 ) {
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char *tokctx = NULL;
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pp=strtok_r(oneargv, "_",&tokctx);
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config_get_if()->argv_info[i] |= CONFIG_CMDLINEOPT_PROCESSED;
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if (pp == NULL || strcasecmp(pp,config_get_if()->argv[i] ) == 0 ) {
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if( prefix == NULL) {
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config_printhelp(cfgoptions,numoptions,"(root section)");
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if ( ! ( CONFIG_ISFLAGSET(CONFIG_NOEXITONHELP)))
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exit_fun("[CONFIG] Exiting after displaying help\n");
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}
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} else {
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pp=strtok_r(NULL, " ",&tokctx);
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if ( prefix != NULL && pp != NULL && strncasecmp(prefix,pp,strlen(pp)) == 0 ) {
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config_printhelp(cfgoptions,numoptions,prefix);
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if ( ! (CONFIG_ISFLAGSET(CONFIG_NOEXITONHELP))) {
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fprintf(stderr,"[CONFIG] %s %i section %s:", __FILE__, __LINE__, prefix);
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exit_fun(" Exiting after displaying help\n");
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}
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}
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}
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}
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/* now, check for non help options */
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if (oneargv[0] == '-') {
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for(int n=0; n<numoptions; n++) {
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if ( ( cfgoptions[n].paramflags & PARAMFLAG_DISABLECMDLINE) != 0) {
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continue;
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}
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if (prefix != NULL) {
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sprintf(cfgpath,"%s.%s",prefix,cfgoptions[n].optname);
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} else {
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sprintf(cfgpath,"%s",cfgoptions[n].optname);
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}
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if ( ((strlen(oneargv) == 2) && (strcmp(oneargv + 1,cfgpath) == 0)) || /* short option, one "-" */
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((strlen(oneargv) > 2) && (strcmp(oneargv + 2,cfgpath ) == 0 )) || /* long option beginning with "--" */
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((strlen(oneargv) == 2) && (strcmp(oneargv + 1,cfgoptions[n].optname) == 0) && (cfgoptions[n].paramflags & PARAMFLAG_CMDLINE_NOPREFIXENABLED )) ||
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((strlen(oneargv) > 2) && (strcmp(oneargv + 2, cfgoptions[n].optname) == 0 ) && (cfgoptions[n].paramflags & PARAMFLAG_CMDLINE_NOPREFIXENABLED )) ) {
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char *valptr=NULL;
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int ret;
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config_get_if()->argv_info[i] |= CONFIG_CMDLINEOPT_PROCESSED;
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if (c > 0) {
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pp = config_get_if()->argv[i+1];
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if (pp != NULL ) {
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ret = strlen(pp);
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if (ret > 0 ) {
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if (pp[0] != '-')
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valptr=pp;
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else if ( ret > 1 && pp[0] == '-' && isdigit(pp[1]) )
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valptr=pp;
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}
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}
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}
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j += processoption(&(cfgoptions[n]), valptr);
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if ( valptr != NULL ) {
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i++;
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config_get_if()->argv_info[i] |= CONFIG_CMDLINEOPT_PROCESSED;
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c--;
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}
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break;
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}
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} /* for n... */
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} /* if (oneargv[0] == '-') */
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free(oneargv);
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i++;
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c--;
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} /* fin du while */
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printf_cmdl("[CONFIG] %s %i options set from command line\n",((prefix == NULL) ? "(root)":prefix),j);
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return j;
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} /* parse_cmdline*/
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