[PATCH] v007 Changelog

[elogind.git] / namedev.c

diff --git a/namedev.c b/namedev.c
index cf9e92635e0bfc2805dbedac833a2bb4d8f60d66..e640b93c3dc94ec29b0a284be38796020b60ae22 100644 (file)
--- a/namedev.c
+++ b/namedev.c
@@ -487,6 +487,66 @@ static mode_t get_default_mode(struct sysfs_class_device *class_dev)
        return 0666;
 }
 
+static void build_kernel_number(struct sysfs_class_device *class_dev, struct udevice *udev)
+{
+       char *dig;
+
+       /* FIXME, figure out how to handle stuff like sdaj which will not work right now. */
+       dig = class_dev->name + strlen(class_dev->name);
+       while (isdigit(*(dig-1)))
+               dig--;
+       strfieldcpy(udev->kernel_number, dig);
+       dbg("kernel_number = %s", udev->kernel_number);
+}
+
+static void apply_format(struct udevice *udev, unsigned char *string)
+{
+       char name[NAME_SIZE];
+       char *pos;
+
+       while (1) {
+               pos = strchr(string, '%');
+
+               if (pos) {
+                       strfieldcpy(name, pos+2);
+                       *pos = 0x00;
+                       switch (pos[1]) {
+                       case 'b':
+                               if (strlen(udev->bus_id) == 0)
+                                       break;
+                               strcat(string, udev->bus_id);
+                               dbg("substitute bus_id '%s'", udev->bus_id);
+                               break;
+                       case 'n':
+                               if (strlen(udev->kernel_number) == 0)
+                                       break;
+                               strcat(pos, udev->kernel_number);
+                               dbg("substitute kernel number '%s'", udev->kernel_number);
+                               break;
+                       case 'm':
+                               sprintf(pos, "%u", udev->minor);
+                               dbg("substitute minor number '%u'", udev->minor);
+                               break;
+                       case 'M':
+                               sprintf(pos, "%u", udev->major);
+                               dbg("substitute major number '%u'", udev->major);
+                               break;
+                       case 'c':
+                               if (strlen(udev->callout_value) == 0)
+                                       break;
+                               strcat(pos, udev->callout_value);
+                               dbg("substitute callout output '%s'", udev->callout_value);
+                               break;
+                       default:
+                               dbg("unknown substitution type '%%%c'", pos[1]);
+                               break;
+                       }
+                       strcat(string, name);
+               } else
+                       break;
+       }
+}
+
 
 static int exec_callout(struct config_device *dev, char *value, int len)
 {
@@ -577,7 +637,7 @@ static int exec_callout(struct config_device *dev, char *value, int len)
        return retval;
 }
 
-static int do_callout(struct sysfs_class_device *class_dev, struct udevice *udev, char *value, int len)
+static int do_callout(struct sysfs_class_device *class_dev, struct udevice *udev)
 {
        struct config_device *dev;
        struct list_head *tmp;
@@ -586,9 +646,12 @@ static int do_callout(struct sysfs_class_device *class_dev, struct udevice *udev
                dev = list_entry(tmp, struct config_device, node);
                if (dev->type != CALLOUT)
                        continue;
-               if (exec_callout(dev, value, len))
+
+               /* substitute anything that needs to be in the program name */
+               apply_format(udev, dev->exec_program);
+               if (exec_callout(dev, udev->callout_value, NAME_SIZE))
                        continue;
-               if (strncmp_wildcard(value, dev->id, len) != 0)
+               if (strncmp_wildcard(udev->callout_value, dev->id, NAME_SIZE) != 0)
                        continue;
                strfieldcpy(udev->name, dev->name);
                if (dev->mode != 0) {
@@ -808,7 +871,6 @@ static int get_attr(struct sysfs_class_device *class_dev, struct udevice *udev)
        struct sysfs_class_device *class_dev_parent = NULL;
        int retval = 0;
        char *temp = NULL;
-       char value[ID_SIZE];
 
        udev->mode = 0;
 
@@ -846,12 +908,15 @@ static int get_attr(struct sysfs_class_device *class_dev, struct udevice *udev)
        if (sysfs_device) {
                dbg_parse("sysfs_device->path='%s'", sysfs_device->path);
                dbg_parse("sysfs_device->bus_id='%s'", sysfs_device->bus_id);
+               strfieldcpy(udev->bus_id, sysfs_device->bus_id);
        } else {
                dbg_parse("class_dev->name = '%s'", class_dev->name);
        }
 
+       build_kernel_number(class_dev, udev);
+
        /* rules are looked at in priority order */
-       retval = do_callout(class_dev, udev, value, sizeof(value));
+       retval = do_callout(class_dev, udev);
        if (retval == 0)
                goto found;
 
@@ -876,48 +941,7 @@ static int get_attr(struct sysfs_class_device *class_dev, struct udevice *udev)
 
 found:
        /* substitute placeholder in NAME  */
-       while (1) {
-               char *pos = strchr(udev->name, '%');
-               char *dig;
-               char name[NAME_SIZE];
-
-               if (pos) {
-                       strfieldcpy(name, pos+2);
-                       *pos = 0x00;
-                       switch (pos[1]) {
-                       case 'b':
-                               if (!sysfs_device)
-                                       break;
-                               strcat(udev->name, sysfs_device->bus_id);
-                               dbg("substitute bus_id '%s'", sysfs_device->bus_id);
-                               break;
-                       case 'n':
-                               dig = class_dev->name + strlen(class_dev->name);
-                               while (isdigit(*(dig-1)))
-                                       dig--;
-                               strcat(pos, dig);
-                               dbg("substitute kernel number '%s'", dig);
-                               break;
-                       case 'm':
-                               sprintf(pos, "%u", udev->minor);
-                               dbg("substitute minor number '%u'", udev->minor);
-                               break;
-                       case 'M':
-                               sprintf(pos, "%u", udev->major);
-                               dbg("substitute major number '%u'", udev->major);
-                               break;
-                       case 'c':
-                               strcat(pos, value);
-                               dbg("substitute callout output '%s'", value);
-                               break;
-                       default:
-                               dbg("unknown substitution type '%%%c'", pos[1]);
-                               break;
-                       }
-                       strcat(udev->name, name);
-               } else
-                       break;
-       }
+       apply_format(udev, udev->name);
 
 done:
        /* mode was never set above */