fsmonitor-path-utils.h

   1 #ifndef FSM_PATH_UTILS_H
   2 #define FSM_PATH_UTILS_H
   3
   4 #include "strbuf.h"
   5
   6 struct alias_info
   7 {
   8         struct strbuf alias;
   9         struct strbuf points_to;
  10 };
  11
  12 struct fs_info {
  13         int is_remote;
  14         char *typename;
  15 };
  16
  17 /*
  18  * Get some basic filesystem information for the given path
  19  *
  20  * The caller owns the storage that is occupied by fs_info and
  21  * is responsible for releasing it.
  22  *
  23  * Returns -1 on error, zero otherwise.
  24  */
  25 int fsmonitor__get_fs_info(const char *path, struct fs_info *fs_info);
  26
  27 /*
  28  * Determines if the filesystem that path resides on is remote.
  29  *
  30  * Returns -1 on error, 0 if not remote, 1 if remote.
  31  */
  32 int fsmonitor__is_fs_remote(const char *path);
  33
  34 /*
  35  * Get the alias in given path, if any.
  36  *
  37  * Sets alias to the first alias that matches any part of the path.
  38  *
  39  * If an alias is found, info.alias and info.points_to are set to the
  40  * found mapping.
  41  *
  42  * Returns -1 on error, 0 otherwise.
  43  *
  44  * The caller owns the storage that is occupied by info.alias and
  45  * info.points_to and is responsible for releasing it.
  46  */
  47 int fsmonitor__get_alias(const char *path, struct alias_info *info);
  48
  49 /*
  50  * Resolve the path against the given alias.
  51  *
  52  * Returns the resolved path if there is one, NULL otherwise.
  53  *
  54  * The caller owns the storage that the returned string occupies and
  55  * is responsible for releasing it.
  56  */
  57 char *fsmonitor__resolve_alias(const char *path,
  58         const struct alias_info *info);
  59
  60 #endif