1 /* 2 * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005. 3 * 4 * 5 * This program is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU General Public License as 7 * published by the Free Software Foundation; either version 2 of the 8 * License, or (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 18 * USA 19 */ 20 21 #include "dtc.h" 22 23 #include <dirent.h> 24 #include <sys/stat.h> 25 26 static struct node *read_fstree(const char *dirname) 27 { 28 DIR *d; 29 struct dirent *de; 30 struct stat st; 31 struct node *tree; 32 33 d = opendir(dirname); 34 if (!d) 35 die("Couldn't opendir() \"%s\": %s\n", dirname, strerror(errno)); 36 37 tree = build_node(NULL, NULL, NULL); 38 39 while ((de = readdir(d)) != NULL) { 40 char *tmpname; 41 42 if (streq(de->d_name, ".") 43 || streq(de->d_name, "..")) 44 continue; 45 46 tmpname = join_path(dirname, de->d_name); 47 48 if (lstat(tmpname, &st) < 0) 49 die("stat(%s): %s\n", tmpname, strerror(errno)); 50 51 if (S_ISREG(st.st_mode)) { 52 struct property *prop; 53 FILE *pfile; 54 55 pfile = fopen(tmpname, "rb"); 56 if (! pfile) { 57 fprintf(stderr, 58 "WARNING: Cannot open %s: %s\n", 59 tmpname, strerror(errno)); 60 } else { 61 prop = build_property(xstrdup(de->d_name), 62 data_copy_file(pfile, 63 st.st_size), 64 NULL); 65 add_property(tree, prop); 66 fclose(pfile); 67 } 68 } else if (S_ISDIR(st.st_mode)) { 69 struct node *newchild; 70 71 newchild = read_fstree(tmpname); 72 newchild = name_node(newchild, xstrdup(de->d_name)); 73 add_child(tree, newchild); 74 } 75 76 free(tmpname); 77 } 78 79 closedir(d); 80 return tree; 81 } 82 83 struct dt_info *dt_from_fs(const char *dirname) 84 { 85 struct node *tree; 86 87 tree = read_fstree(dirname); 88 tree = name_node(tree, ""); 89 90 return build_dt_info(DTSF_V1, NULL, tree, guess_boot_cpuid(tree)); 91 } 92