difftool: add various git-difftool tests

[git.git] / dir.c

diff --git a/dir.c b/dir.c
index 2c18e417d16801cbca38ab1e7b8b5f8615f1e45d..c91ebfb46f929f926e1925c2db830c5847f3223b 100644 (file)
--- a/dir.c
+++ b/dir.c
@@ -75,7 +75,7 @@ static int match_one(const char *match, const char *name, int namelen)
        for (;;) {
                unsigned char c1 = *match;
                unsigned char c2 = *name;
-               if (isspecial(c1))
+               if (c1 == '\0' || is_glob_special(c1))
                        break;
                if (c1 != c2)
                        return 0;
@@ -108,25 +108,28 @@ static int match_one(const char *match, const char *name, int namelen)
  * and a mark is left in seen[] array for pathspec element that
  * actually matched anything.
  */
-int match_pathspec(const char **pathspec, const char *name, int namelen, int prefix, char *seen)
+int match_pathspec(const char **pathspec, const char *name, int namelen,
+               int prefix, char *seen)
 {
-       int retval;
-       const char *match;
+       int i, retval = 0;
+
+       if (!pathspec)
+               return 1;
 
        name += prefix;
        namelen -= prefix;
 
-       for (retval = 0; (match = *pathspec++) != NULL; seen++) {
+       for (i = 0; pathspec[i] != NULL; i++) {
                int how;
-               if (retval && *seen == MATCHED_EXACTLY)
+               const char *match = pathspec[i] + prefix;
+               if (seen && seen[i] == MATCHED_EXACTLY)
                        continue;
-               match += prefix;
                how = match_one(match, name, namelen);
                if (how) {
                        if (retval < how)
                                retval = how;
-                       if (*seen < how)
-                               *seen = how;
+                       if (seen && seen[i] < how)
+                               seen[i] = how;
                }
        }
        return retval;
@@ -484,14 +487,14 @@ static enum directory_treatment treat_directory(struct dir_struct *dir,
                return recurse_into_directory;
 
        case index_gitdir:
-               if (dir->show_other_directories)
+               if (dir->flags & DIR_SHOW_OTHER_DIRECTORIES)
                        return ignore_directory;
                return show_directory;
 
        case index_nonexistent:
-               if (dir->show_other_directories)
+               if (dir->flags & DIR_SHOW_OTHER_DIRECTORIES)
                        break;
-               if (!dir->no_gitlinks) {
+               if (!(dir->flags & DIR_NO_GITLINKS)) {
                        unsigned char sha1[20];
                        if (resolve_gitlink_ref(dirname, "HEAD", sha1) == 0)
                                return show_directory;
@@ -500,7 +503,7 @@ static enum directory_treatment treat_directory(struct dir_struct *dir,
        }
 
        /* This is the "show_other_directories" case */
-       if (!dir->hide_empty_directories)
+       if (!(dir->flags & DIR_HIDE_EMPTY_DIRECTORIES))
                return show_directory;
        if (!read_directory_recursive(dir, dirname, dirname, len, 1, simplify))
                return ignore_directory;
@@ -585,10 +588,8 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, co
                        int len, dtype;
                        int exclude;
 
-                       if ((de->d_name[0] == '.') &&
-                           (de->d_name[1] == 0 ||
-                            !strcmp(de->d_name + 1, ".") ||
-                            !strcmp(de->d_name + 1, "git")))
+                       if (is_dot_or_dotdot(de->d_name) ||
+                            !strcmp(de->d_name, ".git"))
                                continue;
                        len = strlen(de->d_name);
                        /* Ignore overly long pathnames! */
@@ -600,7 +601,7 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, co
 
                        dtype = DTYPE(de);
                        exclude = excluded(dir, fullname, &dtype);
-                       if (exclude && dir->collect_ignored
+                       if (exclude && (dir->flags & DIR_COLLECT_IGNORED)
                            && in_pathspec(fullname, baselen + len, simplify))
                                dir_add_ignored(dir, fullname, baselen + len);
 
@@ -608,7 +609,7 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, co
                         * Excluded? If we don't explicitly want to show
                         * ignored files, ignore it
                         */
-                       if (exclude && !dir->show_ignored)
+                       if (exclude && !(dir->flags & DIR_SHOW_IGNORED))
                                continue;
 
                        if (dtype == DT_UNKNOWN)
@@ -620,7 +621,7 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, co
                         * even if we don't ignore them, since the
                         * directory may contain files that we do..
                         */
-                       if (!exclude && dir->show_ignored) {
+                       if (!exclude && (dir->flags & DIR_SHOW_IGNORED)) {
                                if (dtype != DT_DIR)
                                        continue;
                        }
@@ -633,7 +634,8 @@ static int read_directory_recursive(struct dir_struct *dir, const char *path, co
                                len++;
                                switch (treat_directory(dir, fullname, baselen + len, simplify)) {
                                case show_directory:
-                                       if (exclude != dir->show_ignored)
+                                       if (exclude != !!(dir->flags
+                                                       & DIR_SHOW_IGNORED))
                                                continue;
                                        break;
                                case recurse_into_directory:
@@ -680,7 +682,7 @@ static int simple_length(const char *match)
        for (;;) {
                unsigned char c = *match++;
                len++;
-               if (isspecial(c))
+               if (c == '\0' || is_glob_special(c))
                        return len;
        }
 }
@@ -719,7 +721,7 @@ int read_directory(struct dir_struct *dir, const char *path, const char *base, i
 {
        struct path_simplify *simplify;
 
-       if (has_symlink_leading_path(strlen(path), path))
+       if (has_symlink_leading_path(path, strlen(path)))
                return dir->nr;
 
        simplify = create_simplify(pathspec);
@@ -779,6 +781,25 @@ int is_inside_dir(const char *dir)
        return get_relative_cwd(buffer, sizeof(buffer), dir) != NULL;
 }
 
+int is_empty_dir(const char *path)
+{
+       DIR *dir = opendir(path);
+       struct dirent *e;
+       int ret = 1;
+
+       if (!dir)
+               return 0;
+
+       while ((e = readdir(dir)) != NULL)
+               if (!is_dot_or_dotdot(e->d_name)) {
+                       ret = 0;
+                       break;
+               }
+
+       closedir(dir);
+       return ret;
+}
+
 int remove_dir_recursively(struct strbuf *path, int only_empty)
 {
        DIR *dir = opendir(path->buf);
@@ -793,10 +814,8 @@ int remove_dir_recursively(struct strbuf *path, int only_empty)
        len = path->len;
        while ((e = readdir(dir)) != NULL) {
                struct stat st;
-               if ((e->d_name[0] == '.') &&
-                   ((e->d_name[1] == 0) ||
-                    ((e->d_name[1] == '.') && e->d_name[2] == 0)))
-                       continue; /* "." and ".." */
+               if (is_dot_or_dotdot(e->d_name))
+                       continue;
 
                strbuf_setlen(path, len);
                strbuf_addstr(path, e->d_name);