131 lines
3.3 KiB
C
131 lines
3.3 KiB
C
#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <Eeze.h>
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#include "eeze_private.h"
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#include "eeze_udev_private.h"
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extern _udev *udev;
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/*
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* copies a device
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*/
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_udev_device *
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_copy_device(_udev_device * device)
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{
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const char *syspath;
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if (!(syspath = udev_device_get_syspath(device)))
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return NULL;
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return udev_device_new_from_syspath(udev, syspath);
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}
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/*
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* private function to simulate udevadm info -a
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* walks up the device tree checking each node for sysattr
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* with value $value
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*/
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Eina_Bool
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_walk_parents_test_attr(_udev_device * device, const char *sysattr,
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const char *value)
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{
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_udev_device *parent, *child = device;
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const char *test;
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if (udev_device_get_sysattr_value(device, sysattr))
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return 1;
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parent = udev_device_get_parent(child);
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for (; parent; child = parent, parent = udev_device_get_parent(child))
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{
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if (!(test = udev_device_get_sysattr_value(parent, sysattr)))
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continue;
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if (!value)
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return 1;
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else
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if (!strcmp(test, value))
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return 1;
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}
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return 0;
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}
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const char *
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_walk_parents_get_attr(_udev_device * device, const char *sysattr)
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{
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_udev_device *parent, *child = device;
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const char *test;
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if ((test = udev_device_get_sysattr_value(device, sysattr)))
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return eina_stringshare_add(test);
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parent = udev_device_get_parent(child);
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for (; parent; child = parent, parent = udev_device_get_parent(child))
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{
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if ((test = udev_device_get_sysattr_value(parent, sysattr)))
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return eina_stringshare_add(test);
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}
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return NULL;
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}
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/*
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* check a list for all parents of a device,
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* stringshare adding all devices that are not in the list
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*/
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Eina_List *
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_get_unlisted_parents(Eina_List * list, _udev_device * device)
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{
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_udev_device *parent, *child = device;
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const char *test, *devname, *vendor, *vendor2, *model, *model2;
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Eina_List *l;
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Eina_Bool found;
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if (!(vendor = udev_device_get_property_value(child, "ID_VENDOR_ID")))
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vendor = udev_device_get_property_value(child, "ID_VENDOR");
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if (!(model = udev_device_get_property_value(child, "ID_MODEL_ID")))
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model = udev_device_get_property_value(child, "ID_MODEL");
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parent = udev_device_get_parent(child);
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for (; parent; child = parent, parent = udev_device_get_parent(child))
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{
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found = 0;
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if (!(vendor2 = udev_device_get_property_value(child, "ID_VENDOR_ID")))
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vendor2 = udev_device_get_property_value(child, "ID_VENDOR");
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if (!(model2 = udev_device_get_property_value(child, "ID_MODEL_ID")))
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model2 = udev_device_get_property_value(child, "ID_MODEL");
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if ((!model2 && model) || (model2 && !model) || (!vendor2 && vendor)
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|| (vendor2 && !vendor))
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break;
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else
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if (((model && model2) && (strcmp(model, model2))) ||
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((vendor && vendor2) && (strcmp(vendor, vendor2))))
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break;
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devname = udev_device_get_syspath(parent);
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EINA_LIST_FOREACH(list, l, test)
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{
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if (!strcmp(test, devname))
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{
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found = 1;
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break;
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}
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}
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if (!found)
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list = eina_list_prepend(list, eina_stringshare_add(devname));
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}
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return list;
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}
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