Fix several whitespace errors

* Remove whitespace at the end of lines.
* Replace space indentation by tabs.
* Add whitespace before/after several operators ("+", "-", "*", ...)
* Add whitespace to assignments ("foo = bar;").
* Fix whitespace in parameter lists ("foobar(foo, bar, 42)").

Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>

14 files changed, 99 insertions, 99 deletions

diff --git a/cache.c b/cache.c
index d7a8d5a..6427b69 100644
--- a/cache.c
+++ b/cache.c
@@ -105,7 +105,7 @@ static int is_expired(struct cache_slot *slot)
         if (slot->ttl < 0)
                 return 0;
         else
-                return slot->cache_st.st_mtime + slot->ttl*60 < time(NULL);
+                return slot->cache_st.st_mtime + slot->ttl * 60 < time(NULL);
 }
 
 /* Check if the slot has been modified since we opened it.
@@ -141,8 +141,8 @@ static int close_lock(struct cache_slot *slot)
  */
 static int lock_slot(struct cache_slot *slot)
 {
-        slot->lock_fd = open(slot->lock_name, O_RDWR|O_CREAT|O_EXCL,
-                             S_IRUSR|S_IWUSR);
+        slot->lock_fd = open(slot->lock_name, O_RDWR | O_CREAT | O_EXCL,
+                             S_IRUSR | S_IWUSR);
         if (slot->lock_fd == -1)
                 return errno;
         if (xwrite(slot->lock_fd, slot->key, slot->keylen + 1) < 0)
diff --git a/cgit.c b/cgit.c
index d615315..0807258 100644
--- a/cgit.c
+++ b/cgit.c
@@ -741,7 +741,7 @@ static void cgit_parse_args(int argc, const char **argv)
 
         for (i = 1; i < argc; i++) {
                 if (!strncmp(argv[i], "--cache=", 8)) {
-                        ctx.cfg.cache_root = xstrdup(argv[i]+8);
+                        ctx.cfg.cache_root = xstrdup(argv[i] + 8);
                 }
                 if (!strcmp(argv[i], "--nocache")) {
                         ctx.cfg.nocache = 1;
@@ -750,24 +750,24 @@ static void cgit_parse_args(int argc, const char **argv)
                         ctx.env.no_http = "1";
                 }
                 if (!strncmp(argv[i], "--query=", 8)) {
-                        ctx.qry.raw = xstrdup(argv[i]+8);
+                        ctx.qry.raw = xstrdup(argv[i] + 8);
                 }
                 if (!strncmp(argv[i], "--repo=", 7)) {
-                        ctx.qry.repo = xstrdup(argv[i]+7);
+                        ctx.qry.repo = xstrdup(argv[i] + 7);
                 }
                 if (!strncmp(argv[i], "--page=", 7)) {
-                        ctx.qry.page = xstrdup(argv[i]+7);
+                        ctx.qry.page = xstrdup(argv[i] + 7);
                 }
                 if (!strncmp(argv[i], "--head=", 7)) {
-                        ctx.qry.head = xstrdup(argv[i]+7);
+                        ctx.qry.head = xstrdup(argv[i] + 7);
                         ctx.qry.has_symref = 1;
                 }
                 if (!strncmp(argv[i], "--sha1=", 7)) {
-                        ctx.qry.sha1 = xstrdup(argv[i]+7);
+                        ctx.qry.sha1 = xstrdup(argv[i] + 7);
                         ctx.qry.has_sha1 = 1;
                 }
                 if (!strncmp(argv[i], "--ofs=", 6)) {
-                        ctx.qry.ofs = atoi(argv[i]+6);
+                        ctx.qry.ofs = atoi(argv[i] + 6);
                 }
                 if (!strncmp(argv[i], "--scan-tree=", 12) ||
                     !strncmp(argv[i], "--scan-path=", 12)) {
@@ -834,7 +834,7 @@ int main(int argc, const char **argv)
                 ctx.cfg.virtual_root = trim_end(ctx.cfg.script_name, '/');
                 if (!ctx.cfg.virtual_root)
                         ctx.cfg.virtual_root = "";
-        }
+        }
 
         /* If no url parameter is specified on the querystring, lets
          * use PATH_INFO as url. This allows cgit to work with virtual
@@ -856,7 +856,7 @@ int main(int argc, const char **argv)
         }
 
         ttl = calc_ttl();
-        ctx.page.expires += ttl*60;
+        ctx.page.expires += ttl * 60;
         if (ctx.env.request_method && !strcmp(ctx.env.request_method, "HEAD"))
                 ctx.cfg.nocache = 1;
         if (ctx.cfg.nocache)
diff --git a/configfile.c b/configfile.c
index 4908058..fe5f9c5 100644
--- a/configfile.c
+++ b/configfile.c
@@ -13,9 +13,9 @@
 int next_char(FILE *f)
 {
         int c = fgetc(f);
-        if (c=='\r') {
+        if (c == '\r') {
                 c = fgetc(f);
-                if (c!='\n') {
+                if (c != '\n') {
                         ungetc(c, f);
                         c = '\r';
                 }
@@ -27,7 +27,7 @@ void skip_line(FILE *f)
 {
         int c;
 
-        while((c=next_char(f)) && c!='\n' && c!=EOF)
+        while((c = next_char(f)) && c != '\n' && c != EOF)
                 ;
 }
 
@@ -36,31 +36,31 @@ int read_config_line(FILE *f, char *line, const char **value, int bufsize)
         int i = 0, isname = 0;
 
         *value = NULL;
-        while(i<bufsize-1) {
+        while(i < bufsize - 1) {
                 int c = next_char(f);
-                if (!isname && (c=='#' || c==';')) {
+                if (!isname && (c == '#' || c == ';')) {
                         skip_line(f);
                         continue;
                 }
                 if (!isname && isspace(c))
                         continue;
 
-                if (c=='=' && !*value) {
+                if (c == '=' && !*value) {
                         line[i] = 0;
-                        *value = &line[i+1];
-                } else if (c=='\n' && !isname) {
+                        *value = &line[i + 1];
+                } else if (c == '\n' && !isname) {
                         i = 0;
                         continue;
-                } else if (c=='\n' || c==EOF) {
+                } else if (c == '\n' || c == EOF) {
                         line[i] = 0;
                         break;
                 } else {
-                        line[i]=c;
+                        line[i] = c;
                 }
                 isname = 1;
                 i++;
         }
-        line[i+1] = 0;
+        line[i + 1] = 0;
         return i;
 }
 
diff --git a/html.c b/html.c
index 8f6e4f6..ed6cefc 100644
--- a/html.c
+++ b/html.c
@@ -54,7 +54,7 @@ char *fmt(const char *format, ...)
         va_start(args, format);
         len = vsnprintf(buf[bufidx], sizeof(buf[bufidx]), format, args);
         va_end(args);
-        if (len>sizeof(buf[bufidx])) {
+        if (len > sizeof(buf[bufidx])) {
                 fprintf(stderr, "[html.c] string truncated: %s\n", format);
                 exit(1);
         }
@@ -94,19 +94,19 @@ void html_txt(const char *txt)
         const char *t = txt;
         while(t && *t){
                 int c = *t;
-                if (c=='<' || c=='>' || c=='&') {
+                if (c == '<' || c == '>' || c == '&') {
                         html_raw(txt, t - txt);
-                        if (c=='>')
+                        if (c == '>')
                                 html("&gt;");
-                        else if (c=='<')
+                        else if (c == '<')
                                 html("&lt;");
-                        else if (c=='&')
+                        else if (c == '&')
                                 html("&amp;");
-                        txt = t+1;
+                        txt = t + 1;
                 }
                 t++;
         }
-        if (t!=txt)
+        if (t != txt)
                 html(txt);
 }
 
@@ -115,21 +115,21 @@ void html_ntxt(int len, const char *txt)
         const char *t = txt;
         while(t && *t && len--){
                 int c = *t;
-                if (c=='<' || c=='>' || c=='&') {
+                if (c == '<' || c == '>' || c == '&') {
                         html_raw(txt, t - txt);
-                        if (c=='>')
+                        if (c == '>')
                                 html("&gt;");
-                        else if (c=='<')
+                        else if (c == '<')
                                 html("&lt;");
-                        else if (c=='&')
+                        else if (c == '&')
                                 html("&amp;");
-                        txt = t+1;
+                        txt = t + 1;
                 }
                 t++;
         }
-        if (t!=txt)
+        if (t != txt)
                 html_raw(txt, t - txt);
-        if (len<0)
+        if (len < 0)
                 html("...");
 }
 
@@ -138,23 +138,23 @@ void html_attr(const char *txt)
         const char *t = txt;
         while(t && *t){
                 int c = *t;
-                if (c=='<' || c=='>' || c=='\'' || c=='\"' || c=='&') {
+                if (c == '<' || c == '>' || c == '\'' || c == '\"' || c == '&') {
                         html_raw(txt, t - txt);
-                        if (c=='>')
+                        if (c == '>')
                                 html("&gt;");
-                        else if (c=='<')
+                        else if (c == '<')
                                 html("&lt;");
-                        else if (c=='\'')
+                        else if (c == '\'')
                                 html("&#x27;");
-                        else if (c=='"')
+                        else if (c == '"')
                                 html("&quot;");
-                        else if (c=='&')
+                        else if (c == '&')
                                 html("&amp;");
-                        txt = t+1;
+                        txt = t + 1;
                 }
                 t++;
         }
-        if (t!=txt)
+        if (t != txt)
                 html(txt);
 }
 
@@ -164,14 +164,14 @@ void html_url_path(const char *txt)
         while(t && *t){
                 unsigned char c = *t;
                 const char *e = url_escape_table[c];
-                if (e && c!='+' && c!='&') {
+                if (e && c != '+' && c != '&') {
                         html_raw(txt, t - txt);
                         html(e);
-                        txt = t+1;
+                        txt = t + 1;
                 }
                 t++;
         }
-        if (t!=txt)
+        if (t != txt)
                 html(txt);
 }
 
@@ -186,11 +186,11 @@ void html_url_arg(const char *txt)
                 if (e) {
                         html_raw(txt, t - txt);
                         html(e);
-                        txt = t+1;
+                        txt = t + 1;
                 }
                 t++;
         }
-        if (t!=txt)
+        if (t != txt)
                 html(txt);
 }
 
@@ -286,14 +286,14 @@ char *convert_query_hexchar(char *txt)
                 *txt = '\0';
                 return txt-1;
         }
-        d1 = hextoint(*(txt+1));
-        d2 = hextoint(*(txt+2));
-        if (d1<0 || d2<0) {
-                memmove(txt, txt+3, n-2);
+        d1 = hextoint(*(txt + 1));
+        d2 = hextoint(*(txt + 2));
+        if (d1 < 0 || d2 < 0) {
+                memmove(txt, txt + 3, n - 2);
                 return txt-1;
         } else {
                 *txt = d1 * 16 + d2;
-                memmove(txt+1, txt+3, n-2);
+                memmove(txt + 1, txt + 3, n - 2);
                 return txt;
         }
 }
@@ -311,22 +311,22 @@ int http_parse_querystring(const char *txt_, void (*fn)(const char *name, const
                 exit(1);
         }
         while((c=*t) != '\0') {
-                if (c=='=') {
+                if (c == '=') {
                         *t = '\0';
-                        value = t+1;
-                } else if (c=='+') {
+                        value = t + 1;
+                } else if (c == '+') {
                         *t = ' ';
-                } else if (c=='%') {
+                } else if (c == '%') {
                         t = convert_query_hexchar(t);
-                } else if (c=='&') {
+                } else if (c == '&') {
                         *t = '\0';
                         (*fn)(txt, value);
-                        txt = t+1;
+                        txt = t + 1;
                         value = NULL;
                 }
                 t++;
         }
-        if (t!=txt)
+        if (t != txt)
                 (*fn)(txt, value);
         free(o);
         return 0;
diff --git a/scan-tree.c b/scan-tree.c
index 6ce8036..98a99c9 100644
--- a/scan-tree.c
+++ b/scan-tree.c
@@ -106,7 +106,7 @@ static void add_repo(const char *base, const char *path, repo_config_fn fn)
         config_fn = fn;
         if (ctx.cfg.enable_git_config)
                 git_config_from_file(gitconfig_config, fmt("%s/config", path), NULL);
-        
+
         if (ctx.cfg.remove_suffix)
                 if ((p = strrchr(repo->url, '.')) && !strcmp(p, ".git"))
                         *p = '\0';
@@ -222,7 +222,7 @@ void scan_projects(const char *path, const char *projectsfile, repo_config_fn fn
         char line[MAX_PATH * 2], *z;
         FILE *projects;
         int err;
-        
+
         projects = fopen(projectsfile, "r");
         if (!projects) {
                 fprintf(stderr, "Error opening projectsfile %s: %s (%d)\n",
diff --git a/shared.c b/shared.c
index 0967f92..01800b6 100644
--- a/shared.c
+++ b/shared.c
@@ -28,8 +28,8 @@ int chk_positive(int result, char *msg)
 
 int chk_non_negative(int result, char *msg)
 {
-        if (result < 0)
-                die("%s: %s",msg, strerror(errno));
+        if (result < 0)
+                die("%s: %s", msg, strerror(errno));
         return result;
 }
 
@@ -80,7 +80,7 @@ struct cgit_repo *cgit_get_repoinfo(const char *url)
         int i;
         struct cgit_repo *repo;
 
-        for (i=0; i<cgit_repolist.count; i++) {
+        for (i = 0; i < cgit_repolist.count; i++) {
                 repo = &cgit_repolist.repos[i];
                 if (!strcmp(repo->url, url))
                         return repo;
@@ -207,7 +207,7 @@ static int load_mmfile(mmfile_t *file, const unsigned char *sha1)
                 file->ptr = (char *)"";
                 file->size = 0;
         } else {
-                file->ptr = read_sha1_file(sha1, &type, 
+                file->ptr = read_sha1_file(sha1, &type,
                                            (unsigned long *)&file->size);
         }
         return 1;
@@ -354,14 +354,14 @@ int cgit_parse_snapshots_mask(const char *str)
         if(atoi(str))
                 return 1;
         for(;;) {
-                str += strspn(str,delim);
-                tl = strcspn(str,delim);
+                str += strspn(str, delim);
+                tl = strcspn(str, delim);
                 if (!tl)
                         break;
                 for (f = cgit_snapshot_formats; f->suffix; f++) {
                         sl = strlen(f->suffix);
                         if((tl == sl && !strncmp(f->suffix, str, tl)) ||
-                           (tl == sl-1 && !strncmp(f->suffix+1, str, tl-1))) {
+                           (tl == sl - 1 && !strncmp(f->suffix + 1, str, tl - 1))) {
                                 rv |= f->bit;
                                 break;
                         }
diff --git a/ui-blob.c b/ui-blob.c
index 3de4473..6d529f1 100644
--- a/ui-blob.c
+++ b/ui-blob.c
@@ -15,12 +15,12 @@ static char *match_path;
 static unsigned char *matched_sha1;
 static int found_path;
 
-static int walk_tree(const unsigned char *sha1, const char *base,int baselen,
+static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
         const char *pathname, unsigned mode, int stage, void *cbdata) {
-        if(strncmp(base,match_path,baselen)
-                || strcmp(match_path+baselen,pathname) )
+        if(strncmp(base, match_path, baselen)
+                || strcmp(match_path + baselen, pathname))
                 return READ_TREE_RECURSIVE;
-        memmove(matched_sha1,sha1,20);
+        memmove(matched_sha1, sha1, 20);
         found_path = 1;
         return 0;
 }
@@ -85,7 +85,7 @@ void cgit_print_blob(const char *hex, char *path, const char *head)
                         return;
                 }
         } else {
-                if (get_sha1(head,sha1)) {
+                if (get_sha1(head, sha1)) {
                         cgit_print_error(fmt("Bad ref: %s", head));
                         return;
                 }
diff --git a/ui-commit.c b/ui-commit.c
index 536a8e8..74f37c8 100644
--- a/ui-commit.c
+++ b/ui-commit.c
@@ -39,7 +39,7 @@ void cgit_print_commit(char *hex, const char *prefix)
         format_note(NULL, sha1, &notes, PAGE_ENCODING, 0);
 
         load_ref_decorations(DECORATE_FULL_REFS);
-        
+
         cgit_print_diff_ctrls();
         html("<table summary='commit info' class='commit-info'>\n");
         html("<tr><th>author</th><td>");
@@ -75,7 +75,7 @@ void cgit_print_commit(char *hex, const char *prefix)
                 cgit_tree_link(prefix, NULL, NULL, ctx.qry.head, tmp, prefix);
         }
         html("</td></tr>\n");
-        for (p = commit->parents; p ; p = p->next) {
+        for (p = commit->parents; p; p = p->next) {
                 parent = lookup_commit_reference(p->item->object.sha1);
                 if (!parent) {
                         html("<tr><td colspan='3'>");
diff --git a/ui-refs.c b/ui-refs.c
index caddfbc..3827252 100644
--- a/ui-refs.c
+++ b/ui-refs.c
@@ -200,7 +200,7 @@ void cgit_print_branches(int maxcount)
                 qsort(list.refs, maxcount, sizeof(*list.refs), cmp_ref_name);
         }
 
-        for(i=0; i<maxcount; i++)
+        for(i = 0; i < maxcount; i++)
                 print_branch(list.refs[i]);
 
         if (maxcount < list.count)
@@ -224,7 +224,7 @@ void cgit_print_tags(int maxcount)
         else if (maxcount > list.count)
                 maxcount = list.count;
         print_tag_header();
-        for(i=0; i<maxcount; i++)
+        for(i = 0; i < maxcount; i++)
                 print_tag(list.refs[i]);
 
         if (maxcount < list.count)
diff --git a/ui-repolist.c b/ui-repolist.c
index 2a910bd..449478d 100644
--- a/ui-repolist.c
+++ b/ui-repolist.c
@@ -131,8 +131,8 @@ void print_pager(int items, int pagelen, char *search, char *sort)
         html("<div class='pager'>");
         for(i = 0, ofs = 0; ofs < items; i++, ofs = i * pagelen) {
                 class = (ctx.qry.ofs == ofs) ? "current" : NULL;
-                cgit_index_link(fmt("[%d]", i+1), fmt("Page %d", i+1), class,
-                                search, sort, ofs);
+                cgit_index_link(fmt("[%d]", i + 1), fmt("Page %d", i + 1),
+                                class, search, sort, ofs);
         }
         html("</div>");
 }
@@ -264,7 +264,7 @@ void cgit_print_repolist()
                 sort_repolist("section");
 
         html("<table summary='repository list' class='list nowrap'>");
-        for (i=0; i<cgit_repolist.count; i++) {
+        for (i = 0; i < cgit_repolist.count; i++) {
                 ctx.repo = &cgit_repolist.repos[i];
                 if (!(is_match(ctx.repo) && is_in_url(ctx.repo)))
                         continue;
diff --git a/ui-shared.c b/ui-shared.c
index c4fb437..1a28dce 100644
--- a/ui-shared.c
+++ b/ui-shared.c
@@ -23,7 +23,7 @@ static char *http_date(time_t t)
                  "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"};
         struct tm *tm = gmtime(&t);
         return fmt("%s, %02d %s %04d %02d:%02d:%02d GMT", day[tm->tm_wday],
-                   tm->tm_mday, month[tm->tm_mon], 1900+tm->tm_year,
+                   tm->tm_mday, month[tm->tm_mon], 1900 + tm->tm_year,
                    tm->tm_hour, tm->tm_min, tm->tm_sec);
 }
 
@@ -93,7 +93,7 @@ char *cgit_fileurl(const char *reponame, const char *pagename,
 char *cgit_pageurl(const char *reponame, const char *pagename,
                    const char *query)
 {
-        return cgit_fileurl(reponame,pagename,0,query);
+        return cgit_fileurl(reponame, pagename, 0, query);
 }
 
 const char *cgit_repobasename(const char *reponame)
@@ -102,18 +102,18 @@ const char *cgit_repobasename(const char *reponame)
         static char rvbuf[1024];
         int p;
         const char *rv;
-        strncpy(rvbuf,reponame,sizeof(rvbuf));
+        strncpy(rvbuf, reponame, sizeof(rvbuf));
         if(rvbuf[sizeof(rvbuf)-1])
                 die("cgit_repobasename: truncated repository name '%s'", reponame);
         p = strlen(rvbuf)-1;
         /* strip trailing slashes */
-        while(p && rvbuf[p]=='/') rvbuf[p--]=0;
+        while(p && rvbuf[p] == '/') rvbuf[p--] = 0;
         /* strip trailing .git */
-        if(p>=3 && !strncmp(&rvbuf[p-3],".git",4)) {
+        if(p >= 3 && !strncmp(&rvbuf[p-3], ".git", 4)) {
                 p -= 3; rvbuf[p--] = 0;
         }
         /* strip more trailing slashes if any */
-        while( p && rvbuf[p]=='/') rvbuf[p--]=0;
+        while( p && rvbuf[p] == '/') rvbuf[p--] = 0;
         /* find last slash in the remaining string */
         rv = strrchr(rvbuf,'/');
         if(rv)
@@ -499,7 +499,7 @@ void cgit_object_link(struct object *obj)
         shortrev = xstrdup(fullrev);
         shortrev[10] = '\0';
         if (obj->type == OBJ_COMMIT) {
-                cgit_commit_link(fmt("commit %s...", shortrev), NULL, NULL,
+                cgit_commit_link(fmt("commit %s...", shortrev), NULL, NULL,
                                  ctx.qry.head, fullrev, NULL, 0);
                 return;
         } else if (obj->type == OBJ_TREE)
@@ -736,7 +736,7 @@ int print_archive_ref(const char *refname, const unsigned char *sha1,
 
         if (prefixcmp(refname, "refs/archives"))
                 return 0;
-        strncpy(buf, refname+14, sizeof(buf));
+        strncpy(buf, refname + 14, sizeof(buf));
         obj = parse_object(sha1);
         if (!obj)
                 return 1;
@@ -968,7 +968,7 @@ void cgit_print_snapshot_links(const char *repo, const char *head,
 {
         const struct cgit_snapshot_format* f;
         char *prefix;
-        char *filename;
+        char *filename;
         unsigned char sha1[20];
 
         if (get_sha1(fmt("refs/tags/%s", hex), sha1) == 0 &&
diff --git a/ui-stats.c b/ui-stats.c
index 51dd6a2..f74dc33 100644
--- a/ui-stats.c
+++ b/ui-stats.c
@@ -23,21 +23,21 @@ static void trunc_week(struct tm *tm)
 {
         time_t t = timegm(tm);
         t -= ((tm->tm_wday + 6) % 7) * DAY_SECS;
-        gmtime_r(&t, tm);       
+        gmtime_r(&t, tm);
 }
 
 static void dec_week(struct tm *tm)
 {
         time_t t = timegm(tm);
         t -= WEEK_SECS;
-        gmtime_r(&t, tm);       
+        gmtime_r(&t, tm);
 }
 
 static void inc_week(struct tm *tm)
 {
         time_t t = timegm(tm);
         t += WEEK_SECS;
-        gmtime_r(&t, tm);       
+        gmtime_r(&t, tm);
 }
 
 static char *pretty_week(struct tm *tm)
@@ -153,7 +153,7 @@ int cgit_find_stats_period(const char *expr, struct cgit_period **period)
                 if (periods[i].code == code || !strcmp(periods[i].name, expr)) {
                         if (period)
                                 *period = &periods[i];
-                        return i+1;
+                        return i + 1;
                 }
         return 0;
 }
diff --git a/ui-tag.c b/ui-tag.c
index 39e4cb8..cab96b1 100644
--- a/ui-tag.c
+++ b/ui-tag.c
@@ -99,6 +99,6 @@ void cgit_print_tag(char *revname)
                 if (ctx.repo->snapshots)
                         print_download_links(revname);
                 html("</table>\n");
-        }
+        }
         return;
 }
diff --git a/ui-tree.c b/ui-tree.c
index b544440..4d7b261 100644
--- a/ui-tree.c
+++ b/ui-tree.c
@@ -27,7 +27,7 @@ static void print_text_buffer(const char *name, char *buf, unsigned long size)
                 html("<tr><td class='linenumbers'><pre>");
                 idx = 0;
                 lineno = 0;
-        
+
                 if (size) {
                         htmlf(numberfmt, ++lineno);
                         while(idx < size - 1) { // skip absolute last newline
@@ -228,7 +228,7 @@ static int walk_tree(const unsigned char *sha1, const char *base, int baselen,
 
         if (state == 0) {
                 memcpy(buffer, base, baselen);
-                strcpy(buffer+baselen, pathname);
+                strcpy(buffer + baselen, pathname);
                 if (strcmp(match_path, buffer))
                         return READ_TREE_RECURSIVE;