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udev/builtin: introduce udev_builtin_import_property() helper function
This is not used in this commit, but will be used later commits.
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@ -154,3 +154,26 @@ int udev_builtin_add_propertyf(sd_device *dev, bool test, const char *key, const
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return udev_builtin_add_property(dev, test, key, val);
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}
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int udev_builtin_import_property(sd_device *dev, sd_device *src, bool test, const char *key) {
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const char *val;
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int r;
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assert(dev);
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assert(key);
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if (!src)
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return 0;
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r = sd_device_get_property_value(src, key, &val);
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if (r == -ENOENT)
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return 0;
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if (r < 0)
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return log_device_debug_errno(src, r, "Failed to get property \"%s\", ignoring: %m", key);
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r = udev_builtin_add_property(dev, test, key, val);
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if (r < 0)
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return r;
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return 1;
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}
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@ -84,5 +84,6 @@ void udev_builtin_list(void);
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bool udev_builtin_should_reload(void);
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int udev_builtin_add_property(sd_device *dev, bool test, const char *key, const char *val);
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int udev_builtin_add_propertyf(sd_device *dev, bool test, const char *key, const char *valf, ...) _printf_(4, 5);
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int udev_builtin_import_property(sd_device *dev, sd_device *src, bool test, const char *key);
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int udev_builtin_hwdb_lookup(sd_device *dev, const char *prefix, const char *modalias,
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const char *filter, bool test);
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