/* * $Id: find.c,v 1.2 2003/09/13 20:18:22 dwalters Exp $ *  * Copyright (C) 2001, 2002, 2003 Flavio de Ayra Mendes <h4@locked.org> *  * This program 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. * * This program 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 */#include <stdio.h>#define __USE_XOPEN#include <unistd.h>#include <string.h>#include <errno.h>#include "config_api.h"off_t find_section(FILE *fp, const char *section){	char tmp[MAX_LINE_SIZE], section_tmp[MAX_SECTION_SIZE];	off_t saved_offset;	off_t initial_offset;	/* save initial offset */	initial_offset = ftell(fp);		rewind(fp);	while (!feof (fp)) {		/* save offset before get the buffer for return exatly the 		   offset of the section line */		saved_offset = ftell(fp);				/* get the buffer */		memset(tmp, 0, MAX_LINE_SIZE);		if (!my_fgets(tmp, MAX_LINE_SIZE, fp)) 			break;				/* ignore comments */		if (*tmp == '#' || *tmp == '\r' || *tmp == '\n') 			continue;		/* is a section line */		if (is_a_section(tmp, section_tmp, MAX_SECTION_SIZE - 1)) {			/* yes, this is our section. return his offset */			if (!strcmp(section_tmp, section)) 				return saved_offset;		}	}	/* get back to initial offset */	fseek(fp, initial_offset, SEEK_SET);	return -1;}off_t find_option(FILE *fp, const char *option, off_t section_offset){        char 	tmp[MAX_LINE_SIZE], option_tmp[MAX_OPTION_SIZE];	off_t 	offset;	int	sec = 0;		fseek(fp, section_offset, SEEK_SET);	while (!feof(fp)) {		offset = ftell(fp);				memset(tmp, 0, MAX_LINE_SIZE);		if (!my_fgets(tmp, MAX_LINE_SIZE, fp))			break;				if (*tmp == '#' || *tmp == '\r' || *tmp == '\n') 			continue;		spacefix(tmp);		if (*tmp == '[') {			if (sec) {				return -1;			} else {				sec = 1;				continue;			}		} 		if (is_an_option(tmp, option_tmp, MAX_OPTION_SIZE - 1, NULL, 				 0)) {			if (!strcmp(option_tmp, option))				return offset;		}	}	return -1;}