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Simplify read_directory[_recursive]() arguments
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Stop the insanity with separate 'path' and 'base' arguments that must
match.  We don't need that crazy interface any more, since we cleaned up
handling of 'path' in commit da4b3e8.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Linus Torvalds authored and Junio C Hamano committed Jul 9, 2009
1 parent 1d8842d commit dba2e20
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Showing 3 changed files with 30 additions and 31 deletions.
57 changes: 28 additions & 29 deletions dir.c
Original file line number Diff line number Diff line change
Expand Up @@ -14,8 +14,7 @@ struct path_simplify {
const char *path;
};

static int read_directory_recursive(struct dir_struct *dir,
const char *path, const char *base, int baselen,
static int read_directory_recursive(struct dir_struct *dir, const char *path, int len,
int check_only, const struct path_simplify *simplify);
static int get_dtype(struct dirent *de, const char *path);

Expand Down Expand Up @@ -54,23 +53,22 @@ static int common_prefix(const char **pathspec)

int fill_directory(struct dir_struct *dir, const char **pathspec)
{
const char *path, *base;
int baselen;
const char *path;
int len;

/*
* Calculate common prefix for the pathspec, and
* use that to optimize the directory walk
*/
baselen = common_prefix(pathspec);
len = common_prefix(pathspec);
path = "";
base = "";

if (baselen)
path = base = xmemdupz(*pathspec, baselen);
if (len)
path = xmemdupz(*pathspec, len);

/* Read the directory and prune it */
read_directory(dir, path, base, baselen, pathspec);
return baselen;
read_directory(dir, path, len, pathspec);
return len;
}

/*
Expand Down Expand Up @@ -526,7 +524,7 @@ static enum directory_treatment treat_directory(struct dir_struct *dir,
/* This is the "show_other_directories" case */
if (!(dir->flags & DIR_HIDE_EMPTY_DIRECTORIES))
return show_directory;
if (!read_directory_recursive(dir, dirname, dirname, len, 1, simplify))
if (!read_directory_recursive(dir, dirname, len, 1, simplify))
return ignore_directory;
return show_directory;
}
Expand Down Expand Up @@ -595,15 +593,15 @@ static int get_dtype(struct dirent *de, const char *path)
* Also, we ignore the name ".git" (even if it is not a directory).
* That likely will not change.
*/
static int read_directory_recursive(struct dir_struct *dir, const char *path, const char *base, int baselen, int check_only, const struct path_simplify *simplify)
static int read_directory_recursive(struct dir_struct *dir, const char *base, int baselen, int check_only, const struct path_simplify *simplify)
{
DIR *fdir = opendir(*path ? path : ".");
DIR *fdir = opendir(*base ? base : ".");
int contents = 0;

if (fdir) {
struct dirent *de;
char fullname[PATH_MAX + 1];
memcpy(fullname, base, baselen);
char path[PATH_MAX + 1];
memcpy(path, base, baselen);

while ((de = readdir(fdir)) != NULL) {
int len, dtype;
Expand All @@ -614,17 +612,18 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, co
continue;
len = strlen(de->d_name);
/* Ignore overly long pathnames! */
if (len + baselen + 8 > sizeof(fullname))
if (len + baselen + 8 > sizeof(path))
continue;
memcpy(fullname + baselen, de->d_name, len+1);
if (simplify_away(fullname, baselen + len, simplify))
memcpy(path + baselen, de->d_name, len+1);
len = baselen + len;
if (simplify_away(path, len, simplify))
continue;

dtype = DTYPE(de);
exclude = excluded(dir, fullname, &dtype);
exclude = excluded(dir, path, &dtype);
if (exclude && (dir->flags & DIR_COLLECT_IGNORED)
&& in_pathspec(fullname, baselen + len, simplify))
dir_add_ignored(dir, fullname, baselen + len);
&& in_pathspec(path, len, simplify))
dir_add_ignored(dir, path,len);

/*
* Excluded? If we don't explicitly want to show
Expand All @@ -634,7 +633,7 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, co
continue;

if (dtype == DT_UNKNOWN)
dtype = get_dtype(de, fullname);
dtype = get_dtype(de, path);

/*
* Do we want to see just the ignored files?
Expand All @@ -651,17 +650,17 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, co
default:
continue;
case DT_DIR:
memcpy(fullname + baselen + len, "/", 2);
memcpy(path + len, "/", 2);
len++;
switch (treat_directory(dir, fullname, baselen + len, simplify)) {
switch (treat_directory(dir, path, len, simplify)) {
case show_directory:
if (exclude != !!(dir->flags
& DIR_SHOW_IGNORED))
continue;
break;
case recurse_into_directory:
contents += read_directory_recursive(dir,
fullname, fullname, baselen + len, 0, simplify);
path, len, 0, simplify);
continue;
case ignore_directory:
continue;
Expand All @@ -675,7 +674,7 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, co
if (check_only)
goto exit_early;
else
dir_add_name(dir, fullname, baselen + len);
dir_add_name(dir, path, len);
}
exit_early:
closedir(fdir);
Expand Down Expand Up @@ -738,15 +737,15 @@ static void free_simplify(struct path_simplify *simplify)
free(simplify);
}

int read_directory(struct dir_struct *dir, const char *path, const char *base, int baselen, const char **pathspec)
int read_directory(struct dir_struct *dir, const char *path, int len, const char **pathspec)
{
struct path_simplify *simplify;

if (has_symlink_leading_path(path, strlen(path)))
if (has_symlink_leading_path(path, len))
return dir->nr;

simplify = create_simplify(pathspec);
read_directory_recursive(dir, path, base, baselen, 0, simplify);
read_directory_recursive(dir, path, len, 0, simplify);
free_simplify(simplify);
qsort(dir->entries, dir->nr, sizeof(struct dir_entry *), cmp_name);
qsort(dir->ignored, dir->ignored_nr, sizeof(struct dir_entry *), cmp_name);
Expand Down
2 changes: 1 addition & 1 deletion dir.h
Original file line number Diff line number Diff line change
Expand Up @@ -67,7 +67,7 @@ struct dir_struct {
extern int match_pathspec(const char **pathspec, const char *name, int namelen, int prefix, char *seen);

extern int fill_directory(struct dir_struct *dir, const char **pathspec);
extern int read_directory(struct dir_struct *, const char *path, const char *base, int baselen, const char **pathspec);
extern int read_directory(struct dir_struct *, const char *path, int len, const char **pathspec);

extern int excluded(struct dir_struct *, const char *, int *);
extern void add_excludes_from_file(struct dir_struct *, const char *fname);
Expand Down
2 changes: 1 addition & 1 deletion unpack-trees.c
Original file line number Diff line number Diff line change
Expand Up @@ -551,7 +551,7 @@ static int verify_clean_subdirectory(struct cache_entry *ce, const char *action,
memset(&d, 0, sizeof(d));
if (o->dir)
d.exclude_per_dir = o->dir->exclude_per_dir;
i = read_directory(&d, ce->name, pathbuf, namelen+1, NULL);
i = read_directory(&d, pathbuf, namelen+1, NULL);
if (i)
return o->gently ? -1 :
error(ERRORMSG(o, not_uptodate_dir), ce->name);
Expand Down

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