]> git.ozlabs.org Git - petitboot/blobdiff - discover/syslinux-parser.c
discover: Remove unused params.c
[petitboot] / discover / syslinux-parser.c
index c611ac92b794e878a87d4793d9557df2243abe9e..38cfd1d32a5925f256457c1a5ab8552823c0da14 100644 (file)
@@ -36,12 +36,6 @@ struct syslinux_options {
        char *cfg_dir;
 };
 
-struct conf_file_stat {
-       char *name;
-       struct stat stat;
-       struct list_item list;
-};
-
 static const char *const syslinux_conf_files[] = {
        "/boot/syslinux/syslinux.cfg",
        "/syslinux/syslinux.cfg",
@@ -338,11 +332,13 @@ static void syslinux_finalize(struct conf_context *conf)
                        /* '-' can signal do not use global APPEND */
                        if (!strcmp(syslinux_opt->append, "-"))
                                opt->boot_args = talloc_strdup(opt, "");
-                       else
+                       else if (global_append)
                                opt->boot_args = talloc_asprintf(opt, "%s %s",
                                                                 global_append,
                                                                 syslinux_opt->append);
-               } else
+                       else
+                               opt->boot_args = talloc_strdup(opt, syslinux_opt->append);
+               } else if (global_append)
                        opt->boot_args = talloc_strdup(opt, global_append);
 
                if (!opt->boot_args)
@@ -422,25 +418,24 @@ fail:
 
 static int syslinux_parse(struct discover_context *dc)
 {
-       struct conf_file_stat *confcmp, *confdat;
-       struct list processed_conf_files;
        struct syslinux_options *state;
        const char * const *filename;
        struct conf_context *conf;
-       struct stat statbuf;
-       char *cfg_dir;
-       int len, rc;
-       char *buf;
+       struct list *found_list;
 
        /* Support block device boot only at present */
        if (dc->event)
                return -1;
 
        conf = talloc_zero(dc, struct conf_context);
-
        if (!conf)
                return -1;
 
+       found_list = talloc(conf, struct list);
+       if (!found_list)
+               return -1;
+       list_init(found_list);
+
        conf->dc = dc;
        conf->global_options = syslinux_global_options,
        conf_init_global_options(conf);
@@ -450,51 +445,30 @@ static int syslinux_parse(struct discover_context *dc)
        conf->parser_info = state = talloc_zero(conf, struct syslinux_options);
        list_init(&state->processed_options);
 
-       list_init(&processed_conf_files);
-
        /*
         * set the global defaults
         * by spec 'default' defaults to 'linux' and
-        * 'implicit' defaults to '1', we also just set
-        * and empty string in 'append' to make it easier
-        * in syslinux_finish
+        * 'implicit' defaults to '1'
         */
        conf_set_global_option(conf, "default", "linux");
        conf_set_global_option(conf, "implicit", "1");
-       conf_set_global_option(conf, "append", "");
 
        for (filename = syslinux_conf_files; *filename; filename++) {
+               char *cfg_dir;
+               int len, rc;
+               char *buf;
+
                /*
                 * guard against duplicate entries in case-insensitive
                 * filesystems, mainly vfat boot partitions
                 */
-               rc = parser_stat_path(dc, dc->device, *filename, &statbuf);
-               if (rc)
-                       continue;
-
-               rc = 0;
-
-               list_for_each_entry(&processed_conf_files, confcmp, list) {
-                       if (confcmp->stat.st_ino == statbuf.st_ino) {
-                               pb_log("conf file %s is a path duplicate of %s..skipping\n",
-                                      *filename, confcmp->name);
-                               rc = 1;
-                               break;
-                       }
-               }
-
-               if (rc)
+               if (!parser_is_unique(dc, dc->device, *filename, found_list))
                        continue;
 
                rc = parser_request_file(dc, dc->device, *filename, &buf, &len);
                if (rc)
                        continue;
 
-               confdat = talloc_zero(conf, struct conf_file_stat);
-               confdat->stat = statbuf;
-               confdat->name = talloc_strdup(confdat, *filename);
-               list_add(&processed_conf_files, &confdat->list);
-
                /*
                 * save location of root config file for possible
                 * INCLUDE directives later