1 files changed, 34 insertions, 703 deletions

diff --git a/src/path.h b/src/path.h
index 4074c3425..c4a2c4250 100644
--- a/src/path.h
+++ b/src/path.h
@@ -9,729 +9,60 @@
 
 #include "common.h"
 
-#include "posix.h"
-#include "str.h"
-#include "vector.h"
+#include "fs_path.h"
+#include <git2/sys/path.h>
 
-#include "git2/sys/path.h"
+#define GIT_PATH_REJECT_DOT_GIT            (GIT_FS_PATH_REJECT_MAX << 1)
+#define GIT_PATH_REJECT_DOT_GIT_LITERAL    (GIT_FS_PATH_REJECT_MAX << 2)
+#define GIT_PATH_REJECT_DOT_GIT_HFS        (GIT_FS_PATH_REJECT_MAX << 3)
+#define GIT_PATH_REJECT_DOT_GIT_NTFS       (GIT_FS_PATH_REJECT_MAX << 4)
 
-/**
- * Path manipulation utils
- *
- * These are path utilities that munge paths without actually
- * looking at the real filesystem.
- */
-
-/*
- * The dirname() function shall take a pointer to a character string
- * that contains a pathname, and return a pointer to a string that is a
- * pathname of the parent directory of that file. Trailing '/' characters
- * in the path are not counted as part of the path.
- *
- * If path does not contain a '/', then dirname() shall return a pointer to
- * the string ".". If path is a null pointer or points to an empty string,
- * dirname() shall return a pointer to the string "." .
- *
- * The `git_path_dirname` implementation is thread safe. The returned
- * string must be manually free'd.
- *
- * The `git_path_dirname_r` implementation writes the dirname to a `git_str`
- * if the buffer pointer is not NULL.
- * It returns an error code < 0 if there is an allocation error, otherwise
- * the length of the dirname (which will be > 0).
- */
-extern char *git_path_dirname(const char *path);
-extern int git_path_dirname_r(git_str *buffer, const char *path);
-
-/*
- * This function returns the basename of the file, which is the last
- * part of its full name given by fname, with the drive letter and
- * leading directories stripped off. For example, the basename of
- * c:/foo/bar/file.ext is file.ext, and the basename of a:foo is foo.
- *
- * Trailing slashes and backslashes are significant: the basename of
- * c:/foo/bar/ is an empty string after the rightmost slash.
- *
- * The `git_path_basename` implementation is thread safe. The returned
- * string must be manually free'd.
- *
- * The `git_path_basename_r` implementation writes the basename to a `git_str`.
- * It returns an error code < 0 if there is an allocation error, otherwise
- * the length of the basename (which will be >= 0).
- */
-extern char *git_path_basename(const char *path);
-extern int git_path_basename_r(git_str *buffer, const char *path);
-
-/* Return the offset of the start of the basename.  Unlike the other
- * basename functions, this returns 0 if the path is empty.
- */
-extern size_t git_path_basename_offset(git_str *buffer);
-
-/**
- * Find offset to root of path if path has one.
- *
- * This will return a number >= 0 which is the offset to the start of the
- * path, if the path is rooted (i.e. "/rooted/path" returns 0 and
- * "c:/windows/rooted/path" returns 2).  If the path is not rooted, this
- * returns -1.
- */
-extern int git_path_root(const char *path);
-
-/**
- * Ensure path has a trailing '/'.
- */
-extern int git_path_to_dir(git_str *path);
-
-/**
- * Ensure string has a trailing '/' if there is space for it.
- */
-extern void git_path_string_to_dir(char *path, size_t size);
-
-/**
- * Taken from git.git; returns nonzero if the given path is "." or "..".
- */
-GIT_INLINE(int) git_path_is_dot_or_dotdot(const char *name)
-{
-	return (name[0] == '.' &&
-			  (name[1] == '\0' ||
-				(name[1] == '.' && name[2] == '\0')));
-}
-
-#ifdef GIT_WIN32
-GIT_INLINE(int) git_path_is_dot_or_dotdotW(const wchar_t *name)
-{
-	return (name[0] == L'.' &&
-			  (name[1] == L'\0' ||
-				(name[1] == L'.' && name[2] == L'\0')));
-}
-
-#define git_path_is_absolute(p) \
-	(git__isalpha((p)[0]) && (p)[1] == ':' && ((p)[2] == '\\' || (p)[2] == '/'))
-
-#define git_path_is_dirsep(p) \
-	((p) == '/' || (p) == '\\')
-
-/**
- * Convert backslashes in path to forward slashes.
- */
-GIT_INLINE(void) git_path_mkposix(char *path)
-{
-	while (*path) {
-		if (*path == '\\')
-			*path = '/';
-
-		path++;
-	}
-}
-#else
-#	define git_path_mkposix(p) /* blank */
-
-#define git_path_is_absolute(p) \
-	((p)[0] == '/')
-
-#define git_path_is_dirsep(p) \
-	((p) == '/')
-
-#endif
-
-/**
- * Check if string is a relative path (i.e. starts with "./" or "../")
- */
-GIT_INLINE(int) git_path_is_relative(const char *p)
-{
-	return (p[0] == '.' && (p[1] == '/' || (p[1] == '.' && p[2] == '/')));
-}
-
-/**
- * Check if string is at end of path segment (i.e. looking at '/' or '\0')
- */
-GIT_INLINE(int) git_path_at_end_of_segment(const char *p)
-{
-	return !*p || *p == '/';
-}
-
-extern int git__percent_decode(git_str *decoded_out, const char *input);
-
-/**
- * Extract path from file:// URL.
- */
-extern int git_path_fromurl(git_str *local_path_out, const char *file_url);
-
-
-/**
- * Path filesystem utils
- *
- * These are path utilities that actually access the filesystem.
- */
-
-/**
- * Check if a file exists and can be accessed.
- * @return true or false
- */
-extern bool git_path_exists(const char *path);
-
-/**
- * Check if the given path points to a directory.
- * @return true or false
- */
-extern bool git_path_isdir(const char *path);
-
-/**
- * Check if the given path points to a regular file.
- * @return true or false
- */
-extern bool git_path_isfile(const char *path);
-
-/**
- * Check if the given path points to a symbolic link.
- * @return true or false
- */
-extern bool git_path_islink(const char *path);
-
-/**
- * Check if the given path is a directory, and is empty.
- */
-extern bool git_path_is_empty_dir(const char *path);
-
-/**
- * Stat a file and/or link and set error if needed.
- */
-extern int git_path_lstat(const char *path, struct stat *st);
-
-/**
- * Check if the parent directory contains the item.
- *
- * @param dir Directory to check.
- * @param item Item that might be in the directory.
- * @return 0 if item exists in directory, <0 otherwise.
- */
-extern bool git_path_contains(git_str *dir, const char *item);
-
-/**
- * Check if the given path contains the given subdirectory.
- *
- * @param parent Directory path that might contain subdir
- * @param subdir Subdirectory name to look for in parent
- * @return true if subdirectory exists, false otherwise.
- */
-extern bool git_path_contains_dir(git_str *parent, const char *subdir);
-
-/**
- * Determine the common directory length between two paths, including
- * the final path separator.  For example, given paths 'a/b/c/1.txt
- * and 'a/b/c/d/2.txt', the common directory is 'a/b/c/', and this
- * will return the length of the string 'a/b/c/', which is 6.
- *
- * @param one The first path
- * @param two The second path
- * @return The length of the common directory
- */
-extern size_t git_path_common_dirlen(const char *one, const char *two);
-
-/**
- * Make the path relative to the given parent path.
- *
- * @param path The path to make relative
- * @param parent The parent path to make path relative to
- * @return 0 if path was made relative, GIT_ENOTFOUND
- *         if there was not common root between the paths,
- *         or <0.
- */
-extern int git_path_make_relative(git_str *path, const char *parent);
-
-/**
- * Check if the given path contains the given file.
- *
- * @param dir Directory path that might contain file
- * @param file File name to look for in parent
- * @return true if file exists, false otherwise.
- */
-extern bool git_path_contains_file(git_str *dir, const char *file);
-
-/**
- * Prepend base to unrooted path or just copy path over.
- *
- * This will optionally return the index into the path where the "root"
- * is, either the end of the base directory prefix or the path root.
- */
-extern int git_path_join_unrooted(
-	git_str *path_out, const char *path, const char *base, ssize_t *root_at);
-
-/**
- * Removes multiple occurrences of '/' in a row, squashing them into a
- * single '/'.
- */
-extern void git_path_squash_slashes(git_str *path);
-
-/**
- * Clean up path, prepending base if it is not already rooted.
- */
-extern int git_path_prettify(git_str *path_out, const char *path, const char *base);
-
-/**
- * Clean up path, prepending base if it is not already rooted and
- * appending a slash.
- */
-extern int git_path_prettify_dir(git_str *path_out, const char *path, const char *base);
-
-/**
- * Get a directory from a path.
- *
- * If path is a directory, this acts like `git_path_prettify_dir`
- * (cleaning up path and appending a '/').  If path is a normal file,
- * this prettifies it, then removed the filename a la dirname and
- * appends the trailing '/'.  If the path does not exist, it is
- * treated like a regular filename.
- */
-extern int git_path_find_dir(git_str *dir);
-
-/**
- * Resolve relative references within a path.
- *
- * This eliminates "./" and "../" relative references inside a path,
- * as well as condensing multiple slashes into single ones.  It will
- * not touch the path before the "ceiling" length.
- *
- * Additionally, this will recognize an "c:/" drive prefix or a "xyz://" URL
- * prefix and not touch that part of the path.
- */
-extern int git_path_resolve_relative(git_str *path, size_t ceiling);
-
-/**
- * Apply a relative path to base path.
- *
- * Note that the base path could be a filename or a URL and this
- * should still work.  The relative path is walked segment by segment
- * with three rules: series of slashes will be condensed to a single
- * slash, "." will be eaten with no change, and ".." will remove a
- * segment from the base path.
- */
-extern int git_path_apply_relative(git_str *target, const char *relpath);
-
-enum {
-	GIT_PATH_DIR_IGNORE_CASE = (1u << 0),
-	GIT_PATH_DIR_PRECOMPOSE_UNICODE = (1u << 1),
-	GIT_PATH_DIR_INCLUDE_DOT_AND_DOTDOT = (1u << 2),
-};
-
-/**
- * Walk each directory entry, except '.' and '..', calling fn(state).
- *
- * @param pathbuf Buffer the function reads the initial directory
- * 		path from, and updates with each successive entry's name.
- * @param flags Combination of GIT_PATH_DIR flags.
- * @param callback Callback for each entry. Passed the `payload` and each
- *		successive path inside the directory as a full path.  This may
- *		safely append text to the pathbuf if needed.  Return non-zero to
- *		cancel iteration (and return value will be propagated back).
- * @param payload Passed to callback as first argument.
- * @return 0 on success or error code from OS error or from callback
- */
-extern int git_path_direach(
-	git_str *pathbuf,
-	uint32_t flags,
-	int (*callback)(void *payload, git_str *path),
-	void *payload);
-
-/**
- * Sort function to order two paths
- */
-extern int git_path_cmp(
-	const char *name1, size_t len1, int isdir1,
-	const char *name2, size_t len2, int isdir2,
-	int (*compare)(const char *, const char *, size_t));
-
-/**
- * Invoke callback up path directory by directory until the ceiling is
- * reached (inclusive of a final call at the root_path).
- *
- * Returning anything other than 0 from the callback function
- * will stop the iteration and propagate the error to the caller.
- *
- * @param pathbuf Buffer the function reads the directory from and
- *		and updates with each successive name.
- * @param ceiling Prefix of path at which to stop walking up.  If NULL,
- *		this will walk all the way up to the root.  If not a prefix of
- *		pathbuf, the callback will be invoked a single time on the
- *		original input path.
- * @param callback Function to invoke on each path.  Passed the `payload`
- *		and the buffer containing the current path.  The path should not
- *		be modified in any way. Return non-zero to stop iteration.
- * @param payload Passed to fn as the first ath.
- */
-extern int git_path_walk_up(
-	git_str *pathbuf,
-	const char *ceiling,
-	int (*callback)(void *payload, const char *path),
-	void *payload);
-
-
-enum { GIT_PATH_NOTEQUAL = 0, GIT_PATH_EQUAL = 1, GIT_PATH_PREFIX = 2 };
-
-/*
- * Determines if a path is equal to or potentially a child of another.
- * @param parent The possible parent
- * @param child The possible child
- */
-GIT_INLINE(int) git_path_equal_or_prefixed(
-	const char *parent,
-	const char *child,
-	ssize_t *prefixlen)
-{
-	const char *p = parent, *c = child;
-	int lastslash = 0;
-
-	while (*p && *c) {
-		lastslash = (*p == '/');
-
-		if (*p++ != *c++)
-			return GIT_PATH_NOTEQUAL;
-	}
-
-	if (*p != '\0')
-		return GIT_PATH_NOTEQUAL;
-
-	if (*c == '\0') {
-		if (prefixlen)
-			*prefixlen = p - parent;
-
-		return GIT_PATH_EQUAL;
-	}
-
-	if (*c == '/' || lastslash) {
-		if (prefixlen)
-			*prefixlen = (p - parent) - lastslash;
-
-		return GIT_PATH_PREFIX;
-	}
-
-	return GIT_PATH_NOTEQUAL;
-}
-
-/* translate errno to libgit2 error code and set error message */
-extern int git_path_set_error(
-	int errno_value, const char *path, const char *action);
-
-/* check if non-ascii characters are present in filename */
-extern bool git_path_has_non_ascii(const char *path, size_t pathlen);
-
-#define GIT_PATH_REPO_ENCODING "UTF-8"
-
-#ifdef __APPLE__
-#define GIT_PATH_NATIVE_ENCODING "UTF-8-MAC"
-#else
-#define GIT_PATH_NATIVE_ENCODING "UTF-8"
-#endif
-
-#ifdef GIT_USE_ICONV
-
-#include <iconv.h>
-
-typedef struct {
-	iconv_t map;
-	git_str buf;
-} git_path_iconv_t;
-
-#define GIT_PATH_ICONV_INIT { (iconv_t)-1, GIT_STR_INIT }
-
-/* Init iconv data for converting decomposed UTF-8 to precomposed */
-extern int git_path_iconv_init_precompose(git_path_iconv_t *ic);
-
-/* Clear allocated iconv data */
-extern void git_path_iconv_clear(git_path_iconv_t *ic);
-
-/*
- * Rewrite `in` buffer using iconv map if necessary, replacing `in`
- * pointer internal iconv buffer if rewrite happened.  The `in` pointer
- * will be left unchanged if no rewrite was needed.
- */
-extern int git_path_iconv(git_path_iconv_t *ic, const char **in, size_t *inlen);
-
-#endif /* GIT_USE_ICONV */
-
-extern bool git_path_does_fs_decompose_unicode(const char *root);
-
-
-typedef struct git_path_diriter git_path_diriter;
-
-#if defined(GIT_WIN32) && !defined(__MINGW32__)
-
-struct git_path_diriter
-{
-	git_win32_path path;
-	size_t parent_len;
-
-	git_str path_utf8;
-	size_t parent_utf8_len;
-
-	HANDLE handle;
-
-	unsigned int flags;
-
-	WIN32_FIND_DATAW current;
-	unsigned int needs_next;
-};
-
-#define GIT_PATH_DIRITER_INIT { {0}, 0, GIT_STR_INIT, 0, INVALID_HANDLE_VALUE }
-
-#else
-
-struct git_path_diriter
-{
-	git_str path;
-	size_t parent_len;
-
-	unsigned int flags;
-
-	DIR *dir;
-
-#ifdef GIT_USE_ICONV
-	git_path_iconv_t ic;
-#endif
-};
-
-#define GIT_PATH_DIRITER_INIT { GIT_STR_INIT }
-
-#endif
-
-/**
- * Initialize a directory iterator.
- *
- * @param diriter Pointer to a diriter structure that will be setup.
- * @param path The path that will be iterated over
- * @param flags Directory reader flags
- * @return 0 or an error code
- */
-extern int git_path_diriter_init(
-	git_path_diriter *diriter,
-	const char *path,
-	unsigned int flags);
-
-/**
- * Advance the directory iterator.  Will return GIT_ITEROVER when
- * the iteration has completed successfully.
- *
- * @param diriter The directory iterator
- * @return 0, GIT_ITEROVER, or an error code
- */
-extern int git_path_diriter_next(git_path_diriter *diriter);
-
-/**
- * Returns the file name of the current item in the iterator.
- *
- * @param out Pointer to store the path in
- * @param out_len Pointer to store the length of the path in
- * @param diriter The directory iterator
- * @return 0 or an error code
- */
-extern int git_path_diriter_filename(
-	const char **out,
-	size_t *out_len,
-	git_path_diriter *diriter);
-
-/**
- * Returns the full path of the current item in the iterator; that
- * is the current filename plus the path of the directory that the
- * iterator was constructed with.
- *
- * @param out Pointer to store the path in
- * @param out_len Pointer to store the length of the path in
- * @param diriter The directory iterator
- * @return 0 or an error code
- */
-extern int git_path_diriter_fullpath(
-	const char **out,
-	size_t *out_len,
-	git_path_diriter *diriter);
-
-/**
- * Performs an `lstat` on the current item in the iterator.
- *
- * @param out Pointer to store the stat data in
- * @param diriter The directory iterator
- * @return 0 or an error code
- */
-extern int git_path_diriter_stat(struct stat *out, git_path_diriter *diriter);
-
-/**
- * Closes the directory iterator.
- *
- * @param diriter The directory iterator
- */
-extern void git_path_diriter_free(git_path_diriter *diriter);
-
-/**
- * Load all directory entries (except '.' and '..') into a vector.
- *
- * For cases where `git_path_direach()` is not appropriate, this
- * allows you to load the filenames in a directory into a vector
- * of strings. That vector can then be sorted, iterated, or whatever.
- * Remember to free alloc of the allocated strings when you are done.
- *
- * @param contents Vector to fill with directory entry names.
- * @param path The directory to read from.
- * @param prefix_len When inserting entries, the trailing part of path
- * 		will be prefixed after this length.  I.e. given path "/a/b" and
- * 		prefix_len 3, the entries will look like "b/e1", "b/e2", etc.
- * @param flags Combination of GIT_PATH_DIR flags.
- */
-extern int git_path_dirload(
-	git_vector *contents,
-	const char *path,
-	size_t prefix_len,
-	uint32_t flags);
-
-
-/* Used for paths to repositories on the filesystem */
-extern bool git_path_is_local_file_url(const char *file_url);
-extern int git_path_from_url_or_path(git_str *local_path_out, const char *url_or_path);
-
-/* Flags to determine path validity in `git_path_isvalid` */
-#define GIT_PATH_REJECT_TRAVERSAL          (1 << 0)
-#define GIT_PATH_REJECT_DOT_GIT            (1 << 1)
-#define GIT_PATH_REJECT_SLASH              (1 << 2)
-#define GIT_PATH_REJECT_BACKSLASH          (1 << 3)
-#define GIT_PATH_REJECT_TRAILING_DOT       (1 << 4)
-#define GIT_PATH_REJECT_TRAILING_SPACE     (1 << 5)
-#define GIT_PATH_REJECT_TRAILING_COLON     (1 << 6)
-#define GIT_PATH_REJECT_DOS_PATHS          (1 << 7)
-#define GIT_PATH_REJECT_NT_CHARS           (1 << 8)
-#define GIT_PATH_REJECT_DOT_GIT_LITERAL    (1 << 9)
-#define GIT_PATH_REJECT_DOT_GIT_HFS        (1 << 10)
-#define GIT_PATH_REJECT_DOT_GIT_NTFS       (1 << 11)
-
-/* Default path safety for writing files to disk: since we use the
- * Win32 "File Namespace" APIs ("\\?\") we need to protect from
- * paths that the normal Win32 APIs would not write.
- */
-#ifdef GIT_WIN32
-# define GIT_PATH_REJECT_FILESYSTEM_DEFAULTS \
-	GIT_PATH_REJECT_TRAVERSAL | \
-	GIT_PATH_REJECT_BACKSLASH | \
-	GIT_PATH_REJECT_TRAILING_DOT | \
-	GIT_PATH_REJECT_TRAILING_SPACE | \
-	GIT_PATH_REJECT_TRAILING_COLON | \
-	GIT_PATH_REJECT_DOS_PATHS | \
-	GIT_PATH_REJECT_NT_CHARS
-#else
-# define GIT_PATH_REJECT_FILESYSTEM_DEFAULTS \
-	GIT_PATH_REJECT_TRAVERSAL
-#endif
-
- /* Paths that should never be written into the working directory. */
+/* Paths that should never be written into the working directory. */
 #define GIT_PATH_REJECT_WORKDIR_DEFAULTS \
-	GIT_PATH_REJECT_FILESYSTEM_DEFAULTS | GIT_PATH_REJECT_DOT_GIT
+	GIT_FS_PATH_REJECT_FILESYSTEM_DEFAULTS | GIT_PATH_REJECT_DOT_GIT
 
 /* Paths that should never be written to the index. */
 #define GIT_PATH_REJECT_INDEX_DEFAULTS \
-	GIT_PATH_REJECT_TRAVERSAL | GIT_PATH_REJECT_DOT_GIT
+	GIT_FS_PATH_REJECT_TRAVERSAL | GIT_PATH_REJECT_DOT_GIT
 
-/**
- * Validate a "bare" git path.  This ensures that the given path is legal
- * to place in the index or a tree.  This should be checked by mechanisms
- * like `git_index_add` and `git_treebuilder_insert` when taking user
- * data, and by `git_checkout` before constructing on-disk paths.
- *
- * This will ensure that a git path does not contain any "unsafe" components,
- * a '.' or '..' component, or a component that is ".git" (in any case).
- *
- * (Note: if you take or construct an on-disk path -- a workdir path,
- * a path to a git repository or a reference name that could be a loose
- * ref -- you should _also_ validate that with `git_path_validate_workdir`.)
- *
- * `repo` is optional.  If specified, it will be used to determine the short
- * path name to reject (if `GIT_PATH_REJECT_DOS_SHORTNAME` is specified),
- * in addition to the default of "git~1".
- */
-extern bool git_path_validate(
+extern bool git_path_str_is_valid(
 	git_repository *repo,
-	const char *path,
-	uint16_t mode,
+	const git_str *path,
+	uint16_t file_mode,
 	unsigned int flags);
 
-/**
- * Validate an on-disk path, taking into account that it will have a
- * suffix appended (eg, `.lock`).
- */
-GIT_INLINE(int) git_path_validate_filesystem_with_suffix(
+GIT_INLINE(bool) git_path_is_valid(
+	git_repository *repo,
 	const char *path,
-	size_t path_len,
-	size_t suffix_len)
+	uint16_t file_mode,
+	unsigned int flags)
 {
-#ifdef GIT_WIN32
-	size_t path_chars, total_chars;
+	git_str str = GIT_STR_INIT_CONST(path, SIZE_MAX);
+	return git_path_str_is_valid(repo, &str, file_mode, flags);
+}
 
-	path_chars = git_utf8_char_length(path, path_len);
+GIT_INLINE(int) git_path_validate_str_length(
+	git_repository *repo,
+	const git_str *path)
+{
+	if (!git_path_str_is_valid(repo, path, 0, GIT_FS_PATH_REJECT_LONG_PATHS)) {
+		if (path->size == SIZE_MAX)
+			git_error_set(GIT_ERROR_FILESYSTEM, "path too long: '%s'", path->ptr);
+		else
+			git_error_set(GIT_ERROR_FILESYSTEM, "path too long: '%.*s'", (int)path->size, path->ptr);
 
-	if (GIT_ADD_SIZET_OVERFLOW(&total_chars, path_chars, suffix_len) ||
-	    total_chars > MAX_PATH) {
-		git_error_set(GIT_ERROR_FILESYSTEM, "path too long: '%s'", path);
 		return -1;
 	}
+
 	return 0;
-#else
-	GIT_UNUSED(path);
-	GIT_UNUSED(path_len);
-	GIT_UNUSED(suffix_len);
-	return 0;
-#endif
 }
 
-/**
- * Validate an path on the filesystem.  This ensures that the given
- * path is valid for the operating system/platform; for example, this
- * will ensure that the given absolute path is smaller than MAX_PATH on
- * Windows.
- *
- * For paths within the working directory, you should use ensure that
- * `core.longpaths` is obeyed.  Use `git_path_validate_workdir`.
- */
-GIT_INLINE(int) git_path_validate_filesystem(
-	const char *path,
-	size_t path_len)
+GIT_INLINE(int) git_path_validate_length(
+	git_repository *repo,
+	const char *path)
 {
-	return git_path_validate_filesystem_with_suffix(path, path_len, 0);
+	git_str str = GIT_STR_INIT_CONST(path, SIZE_MAX);
+	return git_path_validate_str_length(repo, &str);
 }
 
-/**
- * Validate a path relative to the repo's worktree.  This ensures that
- * the given working tree path is valid for the operating system/platform.
- * This will ensure that an absolute path is smaller than MAX_PATH on
- * Windows, while keeping `core.longpaths` configuration settings in mind.
- *
- * This should be checked by mechamisms like `git_checkout` after
- * contructing on-disk paths and before trying to write them.
- *
- * If the repository is null, no repository configuration is applied.
- */
-extern int git_path_validate_workdir(
-	git_repository *repo,
-	const char *path);
-extern int git_path_validate_workdir_with_len(
-	git_repository *repo,
-	const char *path,
-	size_t path_len);
-extern int git_path_validate_workdir_buf(
-	git_repository *repo,
-	git_str *buf);
-
-/**
- * Convert any backslashes into slashes
- */
-int git_path_normalize_slashes(git_str *out, const char *path);
-
-bool git_path_supports_symlinks(const char *dir);
-
-/**
- * Validate a system file's ownership
- *
- * Verify that the file in question is owned by an administrator or system
- * account, or at least by the current user.
- *
- * This function returns 0 if successful. If the file is not owned by any of
- * these, or any other if there have been problems determining the file
- * ownership, it returns -1.
- */
-int git_path_validate_system_file_ownership(const char *path);
-
 #endif