chiark / gitweb /
[PATCH] udev_volume_id: version 39
[elogind.git] / namedev_parse.c
index 7190cdd1a8702a538f5f454d96e3ca84a00f7b6f..e360565950c71768975891c8264f76e21031e3b7 100644 (file)
@@ -4,6 +4,7 @@
  * Userspace devfs
  *
  * Copyright (C) 2003,2004 Greg Kroah-Hartman <greg@kroah.com>
+ * Copyright (C) 2003-2005 Kay Sievers <kay.sievers@vrfy.org>
  *
  *
  *     This program is free software; you can redistribute it and/or modify it
@@ -97,7 +98,7 @@ static char *get_key_attribute(char *str)
        return NULL;
 }
 
-static int namedev_parse(const char *filename, void *data)
+static int namedev_parse(struct udevice *udev, const char *filename)
 {
        char line[LINE_SIZE];
        char *bufline;
@@ -126,14 +127,15 @@ static int namedev_parse(const char *filename, void *data)
        cur = 0;
        lineno = 0;
        while (cur < bufsize) {
+               unsigned int i, j;
+
                count = buf_get_line(buf, bufsize, cur);
                bufline = &buf[cur];
                cur += count+1;
                lineno++;
 
                if (count >= LINE_SIZE) {
-                       info("line too long, rule skipped %s, line %d",
-                            filename, lineno);
+                       info("line too long, rule skipped %s, line %d", filename, lineno);
                        continue;
                }
 
@@ -149,8 +151,14 @@ static int namedev_parse(const char *filename, void *data)
                if (bufline[0] == COMMENT_CHARACTER)
                        continue;
 
-               strncpy(line, bufline, count);
-               line[count] = '\0';
+               /* skip backslash and newline from multi line rules */
+               for (i = j = 0; i < count; i++) {
+                       if (bufline[i] == '\\' && bufline[i+1] == '\n')
+                               continue;
+
+                       line[j++] = bufline[i];
+               }
+               line[j] = '\0';
                dbg_parse("read '%s'", line);
 
                /* get all known keys */
@@ -163,6 +171,18 @@ static int namedev_parse(const char *filename, void *data)
                        if (retval)
                                break;
 
+                       if (strcasecmp(temp2, FIELD_KERNEL) == 0) {
+                               strfieldcpy(dev.kernel, temp3);
+                               valid = 1;
+                               continue;
+                       }
+
+                       if (strcasecmp(temp2, FIELD_SUBSYSTEM) == 0) {
+                               strfieldcpy(dev.subsystem, temp3);
+                               valid = 1;
+                               continue;
+                       }
+
                        if (strcasecmp(temp2, FIELD_BUS) == 0) {
                                strfieldcpy(dev.bus, temp3);
                                valid = 1;
@@ -207,18 +227,6 @@ static int namedev_parse(const char *filename, void *data)
                                continue;
                        }
 
-                       if (strcasecmp(temp2, FIELD_KERNEL) == 0) {
-                               strfieldcpy(dev.kernel, temp3);
-                               valid = 1;
-                               continue;
-                       }
-
-                       if (strcasecmp(temp2, FIELD_SUBSYSTEM) == 0) {
-                               strfieldcpy(dev.subsystem, temp3);
-                               valid = 1;
-                               continue;
-                       }
-
                        if (strcasecmp(temp2, FIELD_DRIVER) == 0) {
                                strfieldcpy(dev.driver, temp3);
                                valid = 1;
@@ -240,17 +248,21 @@ static int namedev_parse(const char *filename, void *data)
 
                        if (strncasecmp(temp2, FIELD_NAME, sizeof(FIELD_NAME)-1) == 0) {
                                attr = get_key_attribute(temp2 + sizeof(FIELD_NAME)-1);
+                               /* FIXME: remove old style options and make OPTIONS= mandatory */
                                if (attr != NULL) {
-                                       if (strstr(attr, ATTR_PARTITIONS) != NULL) {
+                                       if (strstr(attr, OPTION_PARTITIONS) != NULL) {
                                                dbg_parse("creation of partition nodes requested");
-                                               dev.partitions = PARTITIONS_COUNT;
+                                               dev.partitions = DEFAULT_PARTITIONS_COUNT;
                                        }
-                                       if (strstr(attr, ATTR_IGNORE_REMOVE) != NULL) {
+                                       if (strstr(attr, OPTION_IGNORE_REMOVE) != NULL) {
                                                dbg_parse("remove event should be ignored");
                                                dev.ignore_remove = 1;
                                        }
                                }
-                               strfieldcpy(dev.name, temp3);
+                               if (temp3[0] != '\0')
+                                       strfieldcpy(dev.name, temp3);
+                               else
+                                       dev.ignore_device = 1;
                                valid = 1;
                                continue;
                        }
@@ -279,6 +291,23 @@ static int namedev_parse(const char *filename, void *data)
                                continue;
                        }
 
+                       if (strcasecmp(temp2, FIELD_OPTIONS) == 0) {
+                               if (strstr(temp3, OPTION_IGNORE_DEVICE) != NULL) {
+                                       dbg_parse("device should be ignored");
+                                       dev.ignore_device = 1;
+                               }
+                               if (strstr(temp3, OPTION_IGNORE_REMOVE) != NULL) {
+                                       dbg_parse("remove event should be ignored");
+                                       dev.ignore_remove = 1;
+                               }
+                               if (strstr(temp3, OPTION_PARTITIONS) != NULL) {
+                                       dbg_parse("creation of partition nodes requested");
+                                       dev.partitions = DEFAULT_PARTITIONS_COUNT;
+                               }
+                               valid = 1;
+                               continue;
+                       }
+
                        dbg("unknown type of field '%s'", temp2);
                        goto error;
                }
@@ -325,9 +354,21 @@ int namedev_init(void)
                return -1;
 
        if ((stats.st_mode & S_IFMT) != S_IFDIR)
-               retval = namedev_parse(udev_rules_filename, NULL);
+               retval = namedev_parse(NULL, udev_rules_filename);
        else
-               retval = call_foreach_file(namedev_parse, udev_rules_filename, RULEFILE_SUFFIX, NULL);
+               retval = call_foreach_file(namedev_parse, NULL, udev_rules_filename, RULEFILE_SUFFIX);
 
        return retval;
 }
+
+void namedev_close(void)
+{
+       struct config_device *dev;
+       struct config_device *temp_dev;
+
+       list_for_each_entry_safe(dev, temp_dev, &config_device_list, node) {
+               list_del(&dev->node);
+               free(dev);
+       }
+}
+