Simplify read_directory[_recursive]() arguments

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 da4b3e8c28b1dc2b856d2555ac7bb47ab712598c.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/dir.c b/dir.c
index 0c8553b27c80ca649fa5b8c864583fb75be6fabe..b0671f59c8d210cc2becdae55da4e55a1d098bdc 100644 (file)
--- a/dir.c
+++ b/dir.c
@@ -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);
 
@@ -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;
 }
 
 /*
@@ -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;
 }
@@ -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;
@@ -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
@@ -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?
@@ -651,9 +650,9 @@ 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))
@@ -661,7 +660,7 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, co
                                        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;
@@ -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);
@@ -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);

diff --git a/dir.h b/dir.h
index f9d69dd15f3b47e779e70cf0b1f8b38dbd4c74c4..a6314464f9e0d896f131e08434228d5b1130a4f5 100644 (file)
--- a/dir.h
+++ b/dir.h
@@ -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);

diff --git a/unpack-trees.c b/unpack-trees.c
index 05d0bb1f85467a275bb78173d3a045940262abe7..42c7d7d563fe225745a05389f9a6bfd398be4555 100644 (file)
--- a/unpack-trees.c
+++ b/unpack-trees.c
@@ -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);