/* identify.c  -  Translate label names to kernel paths *//* Copyright 1992-1998 Werner Almesberger.Copyright 1999-2004 John Coffman.All rights reserved.Licensed under the terms contained in the file 'COPYING' in the source directory.*/#define _GNU_SOURCE#include <stdlib.h>#include <unistd.h>#include <stdio.h>#include <string.h>#include "lilo.h"#include "common.h"#include "cfg.h"char *identify;static char *opt;static char *first, *dflt;static int idefault;static void do_identify(char *var,char type){    char *label,*path,*alias,*initrd,*keytab,*appstr,*dtem,*addappstr;    char *rootstr;    int root,image, ramdisk, kt, append;#if 1    image = !!strchr(opt,'i');    ramdisk = !!strchr(opt,'r');    kt = !!strchr(opt,'k');    append = !!strchr(opt,'a');    root = !!strchr(opt,'R');    if (opt && !image && !ramdisk && !kt && !append    	&& !idefault && !root) exit(1);/*    if (!opt) image = 1; */#else    image = ramdisk = 1;    printf("do_identify:  opt=\"%s\"\n", opt);#endif        label = strrchr(path = cfg_get_strg(cf_identify,var),'/');    if (label) label++;    if (cfg_get_strg(cf_all,"label")) label = cfg_get_strg(cf_all,"label");    else if (!label) label = path;    if (!first) first = stralloc(label);        alias = cfg_get_strg(cf_all,"alias");    dtem = cfg_get_strg(cf_options,"default");    if (verbose>=2) printf("identify: dtem=%s  label=%s\n", dtem, label);#ifdef LCF_IGNORECASE    if (dtem && (!strcasecmp(label,dtem) || (alias && !strcasecmp(alias,dtem)))) {#else    if (dtem && (!strcmp(label,dtem) || (alias && !strcmp(alias,dtem)))) {#endif	if (verbose>=2) printf("setting  dflt\n");	dflt = dtem;    }    initrd = cfg_get_strg(cf_kernel,"initrd");    if (!initrd) initrd = cfg_get_strg(cf_options,"initrd");    keytab = cfg_get_strg(cf_options,"keytable");    if (!keytab) keytab="us.ktl";    appstr = cfg_get_strg(cf_kernel,"append");    if (!appstr) appstr = cfg_get_strg(cf_options,"append");    addappstr = cfg_get_strg(cf_kernel,"addappend");    rootstr = cfg_get_strg(cf_kernel,"root");    if (!rootstr) rootstr = cfg_get_strg(cf_options,"root");#ifdef LCF_IGNORECASE    if (!strcasecmp(label,identify) || (alias && !strcasecmp(alias,identify))) {#else    if (!strcmp(label,identify) || (alias && !strcmp(alias,identify))) {#endif	if (image) printf("%s\n",path);	if (ramdisk) printf("%s\n",initrd?initrd:"No initial ramdisk specified");	if (kt) printf("%s\n",keytab);	if (append) {	    if (!appstr && !addappstr)		printf("No append= was specified\n");	    else if ((appstr && !addappstr) || (!appstr && addappstr))		printf("%s\n", appstr?appstr:addappstr);	    else printf("%s %s\n", appstr, addappstr);	}	if (root) printf("%s\n",rootstr?rootstr:"No root specified");	if (idefault) printf("%s\n", dflt ? dflt : first);	exit(0);    }}void id_image(void){    cfg_init(cf_image);    (void) cfg_parse(cf_image);    do_identify("image",'i');    cfg_init(cf_identify);}void id_other(void){    cfg_init(cf_other);    cfg_init(cf_kernel);    curr_drv_map = curr_prt_map = 0;    (void) cfg_parse(cf_other);    cfg_init(cf_identify);}void identify_image(char *label,char *options){    identify = label;    opt = options;    if (verbose>=2) printf("identify_image: id='%s' opt='%s'\n", label, options);    idefault = !!strchr(opt,'D');    if (idefault) identify = "";    cfg_init(cf_identify);    if (cfg_parse(cf_identify)) cfg_error("Syntax error");    if (idefault && first) {	printf("%s\n", dflt ? dflt : first);	exit(0);    }    fprintf(errstd,"No image found for \"%s\"\n",label);    exit(1);}