thodg/got/lib/got_lib_path.h

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  Commit

• Author : Stefan Sperling
  Date : 2019-01-12 21:06:50
  Hash : 1beed999
  Message : rename got_compare_paths to got_path_cmp

• lib/got_lib_path.h

• /*
   * Copyright (c) 2018 Stefan Sperling <stsp@openbsd.org>
   *
   * Permission to use, copy, modify, and distribute this software for any
   * purpose with or without fee is hereby granted, provided that the above
   * copyright notice and this permission notice appear in all copies.
   *
   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   */
  
  /* Utilities for dealing with filesystem paths. */
  
  #define GOT_DEFAULT_FILE_MODE	(S_IRUSR|S_IWUSR | S_IRGRP | S_IROTH)
  #define GOT_DEFAULT_DIR_MODE	(S_IRWXU | S_IRGRP|S_IXGRP | S_IROTH|S_IXOTH)
  
  /* Determine whether a path is an absolute path. */
  int got_path_is_absolute(const char *);
  
  /*
   * Return an absolute version of a relative path.
   * The result is allocated with malloc(3).
   */
  char *got_path_get_absolute(const char *);
  
  /* 
   * Normalize a path for internal processing.
   * The result is allocated with malloc(3).
   */
  char *got_path_normalize(const char *);
  
  /*
   * Canonicalize absolute paths by removing redundant path separators
   * and resolving references to parent directories ("/../").
   * Relative paths are copied from input to buf as-is.
   */
  const struct got_error *got_canonpath(const char *, char *, size_t);
  
  /*
   * Get child part of two absolute paths. The second path must equal the first
   * path up to some path component, and must be longer than the first path.
   * The result is allocated with malloc(3).
   */
  const struct got_error *got_path_skip_common_ancestor(char **, const char *,
      const char *);
  
  /* Determine whether a path points to the root directory "/" . */
  int got_path_is_root_dir(const char *);
  
  /* Determine whether a path is a path-wise child of another path. */
  int got_path_is_child(const char *, const char *, size_t);
  
  /*
   * Like strcmp() but orders children in subdirectories directly after
   * their parents.
   */
  int got_path_cmp(const char *, const char *);