/* vi: set sw=4 ts=4: *//* * Utility routines. * * Copyright (C) many different people.  If you wrote this, please * acknowledge your work. * * 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>#include <stdlib.h>#include <string.h>#include "libbb.h"/* Read up to (and including) TERMINATING_STRING from FILE and return it. * Return NULL on EOF.  */char *fgets_str(FILE *file, const char *terminating_string){	char *linebuf = NULL;	const int term_length = strlen(terminating_string);	int end_string_offset;	int linebufsz = 0;	int idx = 0;	int ch;	while (1) {		ch = fgetc(file);		if (ch == EOF) {			free(linebuf);			return NULL;		}		/* grow the line buffer as necessary */		while (idx > linebufsz - 2) {			linebuf = xrealloc(linebuf, linebufsz += 1000);		}		linebuf[idx] = ch;		idx++;		/* Check for terminating string */		end_string_offset = idx - term_length;		if ((end_string_offset > 0) && (memcmp(&linebuf[end_string_offset], terminating_string, term_length) == 0)) {			idx -= term_length;			break;		}	}	linebuf[idx] = '\0';	return(linebuf);}