ceph/src/pmdk/src/libpmem2/pmem2_utils_other.c

   1 // SPDX-License-Identifier: BSD-3-Clause
   2 /* Copyright 2014-2020, Intel Corporation */
   3
   4 #include <errno.h>
   5 #include <sys/stat.h>
   6
   7 #include "libpmem2.h"
   8 #include "out.h"
   9 #include "pmem2_utils.h"
  10
  11 #ifdef _WIN32
  12 #define S_ISREG(m)      (((m) & S_IFMT) == S_IFREG)
  13 #define S_ISDIR(m)      (((m) & S_IFMT) == S_IFDIR)
  14 #endif
  15
  16 int
  17 pmem2_get_type_from_stat(const os_stat_t *st, enum pmem2_file_type *type)
  18 {
  19         if (S_ISREG(st->st_mode)) {
  20                 *type = PMEM2_FTYPE_REG;
  21                 return 0;
  22         }
  23
  24         if (S_ISDIR(st->st_mode)) {
  25                 *type = PMEM2_FTYPE_DIR;
  26                 return 0;
  27         }
  28
  29         ERR("file type 0%o not supported", st->st_mode & S_IFMT);
  30         return PMEM2_E_INVALID_FILE_TYPE;
  31 }
  32
  33 /*
  34  * pmem2_device_dax_size -- checks the size of a given
  35  * dax device from given source structure
  36  */
  37 int
  38 pmem2_device_dax_size(const struct pmem2_source *src, size_t *size)
  39 {
  40         const char *err =
  41                 "BUG: pmem2_device_dax_size should never be called on this OS";
  42         ERR("%s", err);
  43         ASSERTinfo(0, err);
  44         return PMEM2_E_NOSUPP;
  45 }
  46
  47 /*
  48  * pmem2_device_dax_alignment -- checks the alignment of a given
  49  * dax device from given source
  50  */
  51 int
  52 pmem2_device_dax_alignment(const struct pmem2_source *src, size_t *alignment)
  53 {
  54         const char *err =
  55                 "BUG: pmem2_device_dax_alignment should never be called on this OS";
  56         ERR("%s", err);
  57         ASSERTinfo(0, err);
  58         return PMEM2_E_NOSUPP;
  59 }