LCOV - code coverage report
Current view: top level - udev - udevadm-util.c (source / functions) Hit Total Coverage
Test: systemd_full.info Lines: 0 22 0.0 %
Date: 2019-08-23 13:36:53 Functions: 0 1 0.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 0 24 0.0 %

           Branch data     Line data    Source code
       1                 :            : /* SPDX-License-Identifier: GPL-2.0+ */
       2                 :            : 
       3                 :            : #include <errno.h>
       4                 :            : 
       5                 :            : #include "alloc-util.h"
       6                 :            : #include "device-private.h"
       7                 :            : #include "path-util.h"
       8                 :            : #include "udevadm-util.h"
       9                 :            : #include "unit-name.h"
      10                 :            : 
      11                 :          0 : int find_device(const char *id, const char *prefix, sd_device **ret) {
      12                 :          0 :         _cleanup_free_ char *path = NULL;
      13                 :            :         int r;
      14                 :            : 
      15         [ #  # ]:          0 :         assert(id);
      16         [ #  # ]:          0 :         assert(ret);
      17                 :            : 
      18         [ #  # ]:          0 :         if (prefix) {
      19         [ #  # ]:          0 :                 if (!path_startswith(id, prefix)) {
      20                 :          0 :                         id = path = path_join(prefix, id);
      21         [ #  # ]:          0 :                         if (!path)
      22                 :          0 :                                 return -ENOMEM;
      23                 :            :                 }
      24                 :            :         } else {
      25                 :            :                 /* In cases where the argument is generic (no prefix specified),
      26                 :            :                  * check if the argument looks like a device unit name. */
      27         [ #  # ]:          0 :                 if (unit_name_is_valid(id, UNIT_NAME_PLAIN) &&
      28         [ #  # ]:          0 :                     unit_name_to_type(id) == UNIT_DEVICE) {
      29                 :          0 :                         r = unit_name_to_path(id, &path);
      30         [ #  # ]:          0 :                         if (r < 0)
      31         [ #  # ]:          0 :                                 return log_debug_errno(r, "Failed to convert \"%s\" to a device path: %m", id);
      32                 :          0 :                         id = path;
      33                 :            :                 }
      34                 :            :         }
      35                 :            : 
      36         [ #  # ]:          0 :         if (path_startswith(id, "/sys/"))
      37                 :          0 :                 return sd_device_new_from_syspath(ret, id);
      38                 :            : 
      39         [ #  # ]:          0 :         if (path_startswith(id, "/dev/")) {
      40                 :            :                 struct stat st;
      41                 :            : 
      42         [ #  # ]:          0 :                 if (stat(id, &st) < 0)
      43                 :          0 :                         return -errno;
      44                 :            : 
      45                 :          0 :                 return device_new_from_stat_rdev(ret, &st);
      46                 :            :         }
      47                 :            : 
      48                 :          0 :         return -EINVAL;
      49                 :            : }

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