chiark / gitweb /
[PATCH] namedev config files are fully parsed.
authorgreg@kroah.com <greg@kroah.com>
Fri, 18 Jul 2003 14:46:17 +0000 (07:46 -0700)
committerGreg KH <gregkh@suse.de>
Wed, 27 Apr 2005 04:01:39 +0000 (21:01 -0700)
now to do something with the data...

namedev.c

index ee122cf..0271ba5 100644 (file)
--- a/namedev.c
+++ b/namedev.c
@@ -80,13 +80,51 @@ struct config_device {
 
 static LIST_HEAD(config_device_list);
 
+static void dump_dev(struct config_device *dev)
+{
+       switch (dev->type) {
+       case KERNEL_NAME:
+               dbg("KERNEL name ='%s'"
+                       " owner = '%s', group = '%s', mode = '%d'", 
+                       dev->name, 
+                       dev->owner, dev->group, dev->mode);
+               break;
+       case LABEL:
+               dbg("LABEL name = '%s', bus = '%s', sysfs_file = '%s', sysfs_value = '%s'"
+                       " owner = '%s', group = '%s', mode = '%d'",
+                       dev->name, dev->bus, dev->sysfs_file, dev->sysfs_value,
+                       dev->owner, dev->group, dev->mode);
+               break;
+       case NUMBER:
+               dbg("NUMBER name = '%s', bus = '%s', id = '%s'"
+                       " owner = '%s', group = '%s', mode = '%d'",
+                       dev->name, dev->bus, dev->id,
+                       dev->owner, dev->group, dev->mode);
+               break;
+       case TOPOLOGY:
+               dbg("TOPOLOGY name = '%s', bus = '%s', place = '%s'"
+                       " owner = '%s', group = '%s', mode = '%d'",
+                       dev->name, dev->bus, dev->place,
+                       dev->owner, dev->group, dev->mode);
+               break;
+       case REPLACE:
+               dbg("REPLACE name = %s, kernel_name = %s"
+                       " owner = '%s', group = '%s', mode = '%d'",
+                       dev->name, dev->kernel_name,
+                       dev->owner, dev->group, dev->mode);
+               break;
+       default:
+               dbg("Unknown type of device!");
+       }
+}
+
 #define copy_var(a, b, var)            \
        if (b->var)                     \
-               b->var = a->var;
+               a->var = b->var;
 
 #define copy_string(a, b, var)         \
        if (strlen(b->var))             \
-               strcpy(b->var, a->var);
+               strcpy(a->var, b->var);
 
 static int add_dev(struct config_device *new_dev)
 {
@@ -99,16 +137,16 @@ static int add_dev(struct config_device *new_dev)
                struct config_device *dev = list_entry(tmp, struct config_device, node);
                if (strcmp(dev->name, new_dev->name) == 0) {
                        /* the same, copy the new info into this structure */
-                       copy_var(new_dev, dev, type);
-                       copy_var(new_dev, dev, mode);
-                       copy_string(new_dev, dev, bus);
-                       copy_string(new_dev, dev, sysfs_file);
-                       copy_string(new_dev, dev, sysfs_value);
-                       copy_string(new_dev, dev, id);
-                       copy_string(new_dev, dev, place);
-                       copy_string(new_dev, dev, kernel_name);
-                       copy_string(new_dev, dev, owner);
-                       copy_string(new_dev, dev, group);
+                       copy_var(dev, new_dev, type);
+                       copy_var(dev, new_dev, mode);
+                       copy_string(dev, new_dev, bus);
+                       copy_string(dev, new_dev, sysfs_file);
+                       copy_string(dev, new_dev, sysfs_value);
+                       copy_string(dev, new_dev, id);
+                       copy_string(dev, new_dev, place);
+                       copy_string(dev, new_dev, kernel_name);
+                       copy_string(dev, new_dev, owner);
+                       copy_string(dev, new_dev, group);
                        return 0;
                }
        }
@@ -119,9 +157,20 @@ static int add_dev(struct config_device *new_dev)
                return -ENOMEM;
        memcpy(tmp_dev, new_dev, sizeof(*tmp_dev));
        list_add(&tmp_dev->node, &config_device_list);
+       //dump_dev(tmp_dev);
        return 0;
 }
 
+static void dump_dev_list(void)
+{
+       struct list_head *tmp;
+
+       list_for_each(tmp, &config_device_list) {
+               struct config_device *dev = list_entry(tmp, struct config_device, node);
+               dump_dev(dev);
+       }
+}
+
 static int get_value(const char *left, char **orig_string, char **ret_string)
 {
        char *temp;
@@ -147,6 +196,30 @@ static int get_value(const char *left, char **orig_string, char **ret_string)
        return -ENODEV;
 }
        
+static int get_pair(char **orig_string, char **left, char **right)
+{
+       char *temp;
+       char *string = *orig_string;
+
+       /* eat any whitespace */
+       while (isspace(*string))
+               ++string;
+
+       /* split based on '=' */
+       temp = strsep(&string, "=");
+       *left = temp;
+
+       /* take the right side and strip off the '"' */
+       while (isspace(*string))
+               ++string;
+       if (*string == '"')
+               ++string;
+       temp = strsep(&string, "\"");
+       *right = temp;
+       *orig_string = string;
+       
+       return 0;
+}
 
 static int namedev_init_config(void)
 {
@@ -188,7 +261,7 @@ static int namedev_init_config(void)
                if (*temp == COMMENT_CHARACTER)
                        continue;
 
-               memset(&dev, 0x00, sizeof(dev));
+               memset(&dev, 0x00, sizeof(struct config_device));
 
                /* parse the line */
                temp2 = strsep(&temp, ",");
@@ -201,7 +274,23 @@ static int namedev_init_config(void)
                        if (retval)
                                continue;
                        strcpy(dev.bus, temp3);
-                       dbg("LABEL name = %s, bus = %s", dev.name, dev.bus);
+
+                       /* file="value" */
+                       temp2 = strsep(&temp, ",");
+                       retval = get_pair(&temp, &temp2, &temp3);
+                       if (retval)
+                               continue;
+                       strcpy(dev.sysfs_file, temp2);
+                       strcpy(dev.sysfs_value, temp3);
+
+                       /* NAME="new_name" */
+                       temp2 = strsep(&temp, ",");
+                       retval = get_value("NAME", &temp, &temp3);
+                       if (retval)
+                               continue;
+                       strcpy(dev.name, temp3);
+
+                       dbg("LABEL name = '%s', bus = '%s', sysfs_file = '%s', sysfs_value = '%s'", dev.name, dev.bus, dev.sysfs_file, dev.sysfs_value);
                }
 
                if (strcasecmp(temp2, TYPE_NUMBER) == 0) {
@@ -213,7 +302,22 @@ static int namedev_init_config(void)
                        if (retval)
                                continue;
                        strcpy(dev.bus, temp3);
-                       dbg("NUMBER name = %s, bus = %s", dev.name, dev.bus);
+
+                       /* ID="id" */
+                       temp2 = strsep(&temp, ",");
+                       retval = get_value("id", &temp, &temp3);
+                       if (retval)
+                               continue;
+                       strcpy(dev.id, temp3);
+
+                       /* NAME="new_name" */
+                       temp2 = strsep(&temp, ",");
+                       retval = get_value("NAME", &temp, &temp3);
+                       if (retval)
+                               continue;
+                       strcpy(dev.name, temp3);
+
+                       dbg("NUMBER name = '%s', bus = '%s', id = '%s'", dev.name, dev.bus, dev.id);
                }
 
                if (strcasecmp(temp2, TYPE_TOPOLOGY) == 0) {
@@ -225,7 +329,22 @@ static int namedev_init_config(void)
                        if (retval)
                                continue;
                        strcpy(dev.bus, temp3);
-                       dbg("TOPOLOGY name = %s, bus = %s", dev.name, dev.bus);
+
+                       /* PLACE="place" */
+                       temp2 = strsep(&temp, ",");
+                       retval = get_value("place", &temp, &temp3);
+                       if (retval)
+                               continue;
+                       strcpy(dev.place, temp3);
+
+                       /* NAME="new_name" */
+                       temp2 = strsep(&temp, ",");
+                       retval = get_value("NAME", &temp, &temp3);
+                       if (retval)
+                               continue;
+                       strcpy(dev.name, temp3);
+
+                       dbg("TOPOLOGY name = '%s', bus = '%s', place = '%s'", dev.name, dev.bus, dev.place);
                }
 
                if (strcasecmp(temp2, TYPE_REPLACE) == 0) {
@@ -340,6 +459,7 @@ int namedev_init(void)
        if (retval)
                return retval;
 
+       dump_dev_list();
        return retval;
 }