265 lines
6.4 KiB
C
265 lines
6.4 KiB
C
/*
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File: phcfg.c
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Copyright (C) 2008 Christophe GRENIER <grenier@cgsecurity.org>
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This software is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write the Free Software Foundation, Inc., 51
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Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#ifdef HAVE_UNISTD_H
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#include <unistd.h> /* getuid */
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#endif
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#ifdef HAVE_STRING_H
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#include <string.h>
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#endif
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#ifdef HAVE_PWD_H
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#include <pwd.h>
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#endif
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#include <stdio.h>
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#include <errno.h>
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#include "types.h"
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#include "common.h"
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#include "filegen.h"
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#include "log.h"
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#include "phcfg.h"
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void reset_list_file_enable(file_enable_t *files_enable)
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{
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file_enable_t *file_enable;
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for(file_enable=files_enable;file_enable->file_hint!=NULL;file_enable++)
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file_enable->enable=file_enable->file_hint->enable_by_default;
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}
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/*
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PhotoRec should try to load the configuration from
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- $HOME/.photorec.cfg
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- $SBIN/photorec.cfg
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PhotoRec stores the configuration in
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- $HOME/.photorec.cfg
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- DOS: $SBIN/photorec.cfg
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*/
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#define WIN_PHOTOREC_CFG "\\photorec.cfg"
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#define DOT_PHOTOREC_CFG "/.photorec.cfg"
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#define PHOTOREC_CFG "photorec.cfg"
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static FILE *file_options_save_aux(void)
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{
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char *filename=NULL;
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#if defined(__CYGWIN__) || defined(__MINGW32__)
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{
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char *path;
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path = getenv("USERPROFILE");
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if (path == NULL)
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path = getenv("HOMEPATH");
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if(path!=NULL)
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{
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filename=(char*)MALLOC(strlen(path)+strlen(WIN_PHOTOREC_CFG)+1);
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strcpy(filename, path);
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strcat(filename, WIN_PHOTOREC_CFG);
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}
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}
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#endif
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#ifndef DJGPP
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if(filename==NULL)
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{
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char *home;
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home = getenv("HOME");
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#if 0
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/* Using 'getpwuid' in statically linked applications requires at
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runtime the shared libraries from the glibc version used for linking
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*/
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if (home == NULL)
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{
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struct passwd *pw;
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pw = getpwuid(getuid());
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if (pw != NULL)
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home = pw->pw_dir;
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}
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#endif
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if (home != NULL)
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{
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filename=(char*)MALLOC(strlen(home)+strlen(DOT_PHOTOREC_CFG)+1);
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strcpy(filename, home);
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strcat(filename, DOT_PHOTOREC_CFG);
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}
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}
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if(filename!=NULL)
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{
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FILE*handle=NULL;
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handle=fopen(filename,"wb");
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if(handle)
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{
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log_info("Create file %s\n", filename);
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free(filename);
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return handle;
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}
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log_error("Can't create file %s: %s\n", filename, strerror(errno));
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free(filename);
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filename=NULL;
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}
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#endif
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{
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FILE*handle=NULL;
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handle=fopen(PHOTOREC_CFG,"wb");
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if(handle)
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{
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log_info("Create file %s\n", PHOTOREC_CFG);
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return handle;
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}
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log_error("Can't create file %s: %s\n", PHOTOREC_CFG, strerror(errno));
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}
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return NULL;
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}
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static FILE *file_options_load_aux(void)
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{
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#if defined(__CYGWIN__) || defined(__MINGW32__)
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{
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char *path;
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path = getenv("USERPROFILE");
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if (path == NULL)
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path = getenv("HOMEPATH");
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if(path!=NULL)
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{
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FILE*handle;
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char *filename=NULL;
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filename=(char*)MALLOC(strlen(path)+strlen(WIN_PHOTOREC_CFG)+1);
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strcpy(filename, path);
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strcat(filename, WIN_PHOTOREC_CFG);
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handle=fopen(filename,"rb");
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if(handle!=NULL)
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{
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log_info("Load parameters from %s\n", filename);
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free(filename);
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return handle;
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}
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free(filename);
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}
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}
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#endif
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#ifndef DJGPP
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{
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char *home;
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home = getenv("HOME");
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#if 0
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/* Using 'getpwuid' in statically linked applications requires at
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runtime the shared libraries from the glibc version used for linking
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*/
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if (home == NULL)
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{
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struct passwd *pw;
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pw = getpwuid(getuid());
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if (pw != NULL)
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home = pw->pw_dir;
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}
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#endif
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if (home != NULL)
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{
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FILE*handle;
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char *filename=NULL;
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filename=(char*)MALLOC(strlen(home)+strlen(DOT_PHOTOREC_CFG)+1);
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strcpy(filename, home);
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strcat(filename, DOT_PHOTOREC_CFG);
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handle=fopen(filename,"rb");
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if(handle!=NULL)
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{
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log_info("Load parameters from %s\n", filename);
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free(filename);
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return handle;
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}
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free(filename);
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}
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}
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#endif
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{
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FILE*handle=NULL;
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handle=fopen(PHOTOREC_CFG,"rb");
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if(handle!=NULL)
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{
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log_info("Load parameters from %s\n", PHOTOREC_CFG);
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return handle;
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}
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}
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return NULL;
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}
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int file_options_save(const file_enable_t *files_enable)
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{
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FILE *handle;
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const file_enable_t *file_enable;
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handle=file_options_save_aux();
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if(handle==NULL)
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return -1;
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for(file_enable=&files_enable[0];file_enable->file_hint!=NULL;file_enable++)
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if(file_enable->file_hint->extension!=NULL)
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{
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if(file_enable->enable==0)
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fprintf(handle, "%s,disable\n", file_enable->file_hint->extension);
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else
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fprintf(handle, "%s,enable\n", file_enable->file_hint->extension);
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}
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fclose(handle);
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return 0;
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}
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int file_options_load(file_enable_t *files_enable)
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{
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FILE *handle;
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char buffer[512];
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reset_list_file_enable(files_enable);
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handle=file_options_load_aux();
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if(handle==NULL)
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return -1;
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// TODO parse the file
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while(fgets(buffer, sizeof(buffer)-1, handle)!=NULL)
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{
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const char *extension=&buffer[0];
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char *extension_status;
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buffer[sizeof(buffer)-1]='\0';
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extension_status=strchr(buffer,',');
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if(extension_status!=NULL)
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{
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file_enable_t *file_enable;
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unsigned int cmd_length=extension_status-extension;
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*extension_status='\0';
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extension_status++;
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#ifdef DEBUG_PHCFG
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log_debug("extension=%s, extension_status=%s", extension, extension_status);
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#endif
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for(file_enable=&files_enable[0];file_enable->file_hint!=NULL;file_enable++)
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{
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if(file_enable->file_hint->extension!=NULL &&
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strlen(file_enable->file_hint->extension)==cmd_length &&
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memcmp(file_enable->file_hint->extension,extension,cmd_length)==0)
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{
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file_enable->enable=(strncmp(extension_status, "enable",6)==0);
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}
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}
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}
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}
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fclose(handle);
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return 0;
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}
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