delta: draw arrows with draw_special_char()

Let's unify generation of unicode chars at one place.

Also, don't add an extra space into chars we print, except for the tree
chars where this is really necessary.

7 files changed, 38 insertions, 34 deletions

diff --git a/src/analyze/analyze.c b/src/analyze/analyze.c
index 3d2d08f667..ba236d92bc 100644
--- a/src/analyze/analyze.c
+++ b/src/analyze/analyze.c
@@ -645,7 +645,7 @@ static int list_dependencies_print(const char *name, unsigned int level, unsigne
         char ts[FORMAT_TIMESPAN_MAX], ts2[FORMAT_TIMESPAN_MAX];
 
         for (i = level; i != 0; i--)
-                printf("%s", draw_special_char(branches & (1 << (i-1)) ? DRAW_TREE_VERT : DRAW_TREE_SPACE));
+                printf("%s", draw_special_char(branches & (1 << (i-1)) ? DRAW_TREE_VERTICAL : DRAW_TREE_SPACE));
 
         printf("%s", draw_special_char(last ? DRAW_TREE_RIGHT : DRAW_TREE_BRANCH));
 
diff --git a/src/delta/delta.c b/src/delta/delta.c
index 8fc37c55f3..96a9fa5ee1 100644
--- a/src/delta/delta.c
+++ b/src/delta/delta.c
@@ -85,10 +85,6 @@ static void pager_open_if_enabled(void) {
         pager_open(false);
 }
 
-static inline const char* arrow(void) {
-        return is_locale_utf8() ? "→" : "->";
-}
-
 static int equivalent(const char *a, const char *b) {
         _cleanup_free_ char *x = NULL, *y = NULL;
 
@@ -109,7 +105,7 @@ static int notify_override_masked(const char *top, const char *bottom) {
 
         printf("%s%s%s     %s %s %s\n",
                ansi_highlight_red(), "[MASKED]", ansi_highlight_off(),
-               top, arrow(), bottom);
+               top, draw_special_char(DRAW_ARROW), bottom);
         return 1;
 }
 
@@ -119,7 +115,7 @@ static int notify_override_equivalent(const char *top, const char *bottom) {
 
         printf("%s%s%s %s %s %s\n",
                ansi_highlight_green(), "[EQUIVALENT]", ansi_highlight_off(),
-               top, arrow(), bottom);
+               top, draw_special_char(DRAW_ARROW), bottom);
         return 1;
 }
 
@@ -129,7 +125,7 @@ static int notify_override_redirected(const char *top, const char *bottom) {
 
         printf("%s%s%s   %s %s %s\n",
                ansi_highlight(), "[REDIRECTED]", ansi_highlight_off(),
-               top, arrow(), bottom);
+               top, draw_special_char(DRAW_ARROW), bottom);
         return 1;
 }
 
@@ -139,7 +135,7 @@ static int notify_override_overridden(const char *top, const char *bottom) {
 
         printf("%s%s%s %s %s %s\n",
                ansi_highlight(), "[OVERRIDDEN]", ansi_highlight_off(),
-               top, arrow(), bottom);
+               top, draw_special_char(DRAW_ARROW), bottom);
         return 1;
 }
 
@@ -149,7 +145,7 @@ static int notify_override_extended(const char *top, const char *bottom) {
 
         printf("%s%s%s   %s %s %s\n",
                ansi_highlight(), "[EXTENDED]", ansi_highlight_off(),
-               top, arrow(), bottom);
+               top, draw_special_char(DRAW_ARROW), bottom);
         return 1;
 }
 
@@ -250,7 +246,7 @@ static int enumerate_dir_d(Hashmap *top, Hashmap *bottom, Hashmap *drops, const
                         return -ENOMEM;
                 d = p + strlen(toppath) + 1;
 
-                log_debug("Adding at top: %s %s %s", d, arrow(), p);
+                log_debug("Adding at top: %s %s %s", d, draw_special_char(DRAW_ARROW), p);
                 k = hashmap_put(top, d, p);
                 if (k >= 0) {
                         p = strdup(p);
@@ -262,7 +258,7 @@ static int enumerate_dir_d(Hashmap *top, Hashmap *bottom, Hashmap *drops, const
                         return k;
                 }
 
-                log_debug("Adding at bottom: %s %s %s", d, arrow(), p);
+                log_debug("Adding at bottom: %s %s %s", d, draw_special_char(DRAW_ARROW), p);
                 free(hashmap_remove(bottom, d));
                 k = hashmap_put(bottom, d, p);
                 if (k < 0) {
@@ -286,7 +282,7 @@ static int enumerate_dir_d(Hashmap *top, Hashmap *bottom, Hashmap *drops, const
                         return -ENOMEM;
 
                 log_debug("Adding to drops: %s %s %s %s %s",
-                          unit, arrow(), basename(p), arrow(), p);
+                          unit, draw_special_char(DRAW_ARROW), basename(p), draw_special_char(DRAW_ARROW), p);
                 k = hashmap_put(h, basename(p), p);
                 if (k < 0) {
                         free(p);
@@ -338,7 +334,7 @@ static int enumerate_dir(Hashmap *top, Hashmap *bottom, Hashmap *drops, const ch
                 if (!p)
                         return -ENOMEM;
 
-                log_debug("Adding at top: %s %s %s", basename(p), arrow(), p);
+                log_debug("Adding at top: %s %s %s", basename(p), draw_special_char(DRAW_ARROW), p);
                 k = hashmap_put(top, basename(p), p);
                 if (k >= 0) {
                         p = strdup(p);
@@ -349,7 +345,7 @@ static int enumerate_dir(Hashmap *top, Hashmap *bottom, Hashmap *drops, const ch
                         return k;
                 }
 
-                log_debug("Adding at bottom: %s %s %s", basename(p), arrow(), p);
+                log_debug("Adding at bottom: %s %s %s", basename(p), draw_special_char(DRAW_ARROW), p);
                 free(hashmap_remove(bottom, basename(p)));
                 k = hashmap_put(bottom, basename(p), p);
                 if (k < 0) {
diff --git a/src/libsystemd/sd-bus/bus-dump.c b/src/libsystemd/sd-bus/bus-dump.c
index ea81644d46..6f4ce0c42f 100644
--- a/src/libsystemd/sd-bus/bus-dump.c
+++ b/src/libsystemd/sd-bus/bus-dump.c
@@ -54,7 +54,7 @@ int bus_message_dump(sd_bus_message *m, FILE *f, bool with_header) {
 
         if (with_header) {
                 fprintf(f,
-                        "%s%s%sType=%s%s%s  Endian=%c  Flags=%u  Version=%u  Priority=%lli",
+                        "%s%s%s Type=%s%s%s  Endian=%c  Flags=%u  Version=%u  Priority=%lli",
                         m->header->type == SD_BUS_MESSAGE_METHOD_ERROR ? ansi_highlight_red() :
                         m->header->type == SD_BUS_MESSAGE_METHOD_RETURN ? ansi_highlight_green() :
                         m->header->type != SD_BUS_MESSAGE_SIGNAL ? ansi_highlight() : "", draw_special_char(DRAW_TRIANGULAR_BULLET), ansi_highlight_off(),
diff --git a/src/shared/cgroup-show.c b/src/shared/cgroup-show.c
index ee14cee4ed..c862ee91f6 100644
--- a/src/shared/cgroup-show.c
+++ b/src/shared/cgroup-show.c
@@ -78,10 +78,12 @@ static void show_pid_array(int pids[], unsigned n_pids, const char *prefix, unsi
 
                 get_process_cmdline(pids[i], n_columns, true, &t);
 
-                printf("%s%s%*lu %s\n",
-                       prefix,
-                       draw_special_char(extra ? DRAW_TRIANGULAR_BULLET :
-                                         ((more || i < n_pids-1) ? DRAW_TREE_BRANCH : DRAW_TREE_RIGHT)),
+                if (extra)
+                        printf("%s%s ", prefix, draw_special_char(DRAW_TRIANGULAR_BULLET));
+                else
+                        printf("%s%s", prefix, draw_special_char(((more || i < n_pids-1) ? DRAW_TREE_BRANCH : DRAW_TREE_RIGHT)));
+
+                printf("%*lu %s\n",
                        pid_width,
                        (unsigned long) pids[i],
                        strna(t));
@@ -181,7 +183,7 @@ int show_cgroup_by_path(const char *path, const char *prefix, unsigned n_columns
                                            basename(last));
 
                         if (!p1) {
-                                p1 = strappend(prefix, draw_special_char(DRAW_TREE_VERT));
+                                p1 = strappend(prefix, draw_special_char(DRAW_TREE_VERTICAL));
                                 if (!p1)
                                         return -ENOMEM;
                         }
diff --git a/src/shared/util.c b/src/shared/util.c
index b6285abb29..5bf9c9fabd 100644
--- a/src/shared/util.c
+++ b/src/shared/util.c
@@ -5444,21 +5444,25 @@ out:
 
 const char *draw_special_char(DrawSpecialChar ch) {
         static const char *draw_table[2][_DRAW_SPECIAL_CHAR_MAX] = {
+
                 /* UTF-8 */ {
-                        [DRAW_TREE_VERT]          = "\342\224\202 ",            /* │  */
+                        [DRAW_TREE_VERTICAL]      = "\342\224\202 ",            /* │  */
                         [DRAW_TREE_BRANCH]        = "\342\224\234\342\224\200", /* ├─ */
                         [DRAW_TREE_RIGHT]         = "\342\224\224\342\224\200", /* └─ */
                         [DRAW_TREE_SPACE]         = "  ",                       /*    */
-                        [DRAW_TRIANGULAR_BULLET]  = "\342\200\243 ",            /* ‣  */
-                        [DRAW_BLACK_CIRCLE]       = "\342\227\217 ",            /* ●  */
+                        [DRAW_TRIANGULAR_BULLET]  = "\342\200\243",             /* ‣ */
+                        [DRAW_BLACK_CIRCLE]       = "\342\227\217",             /* ● */
+                        [DRAW_ARROW]              = "\342\206\222",             /* → */
                 },
+
                 /* ASCII fallback */ {
-                        [DRAW_TREE_VERT]          = "| ",
+                        [DRAW_TREE_VERTICAL]      = "| ",
                         [DRAW_TREE_BRANCH]        = "|-",
                         [DRAW_TREE_RIGHT]         = "`-",
                         [DRAW_TREE_SPACE]         = "  ",
-                        [DRAW_TRIANGULAR_BULLET]  = "> ",
-                        [DRAW_BLACK_CIRCLE]       = "* ",
+                        [DRAW_TRIANGULAR_BULLET]  = ">",
+                        [DRAW_BLACK_CIRCLE]       = "*",
+                        [DRAW_ARROW]              = "->",
                 }
         };
 
diff --git a/src/shared/util.h b/src/shared/util.h
index 5b060ef74f..d584a65979 100644
--- a/src/shared/util.h
+++ b/src/shared/util.h
@@ -681,14 +681,16 @@ void *xbsearch_r(const void *key, const void *base, size_t nmemb, size_t size,
 bool is_locale_utf8(void);
 
 typedef enum DrawSpecialChar {
-        DRAW_TREE_VERT,
+        DRAW_TREE_VERTICAL,
         DRAW_TREE_BRANCH,
         DRAW_TREE_RIGHT,
         DRAW_TREE_SPACE,
         DRAW_TRIANGULAR_BULLET,
         DRAW_BLACK_CIRCLE,
+        DRAW_ARROW,
         _DRAW_SPECIAL_CHAR_MAX
 } DrawSpecialChar;
+
 const char *draw_special_char(DrawSpecialChar ch);
 
 char *strreplace(const char *text, const char *old_string, const char *new_string);
diff --git a/src/systemctl/systemctl.c b/src/systemctl/systemctl.c
index 1717c1929e..7bc8ece042 100644
--- a/src/systemctl/systemctl.c
+++ b/src/systemctl/systemctl.c
@@ -1430,7 +1430,7 @@ static int list_dependencies_print(const char *name, int level, unsigned int bra
                                 printf("%s...\n",max_len % 2 ? "" : " ");
                                 return 0;
                         }
-                        printf("%s", draw_special_char(branches & (1 << i) ? DRAW_TREE_VERT : DRAW_TREE_SPACE));
+                        printf("%s", draw_special_char(branches & (1 << i) ? DRAW_TREE_VERTICAL : DRAW_TREE_SPACE));
                 }
                 len += 2;
 
@@ -1598,9 +1598,9 @@ static int list_dependencies_one(
 
                 state = check_one_unit(bus, *c, "activating\0active\0reloading\0", true);
                 if (state > 0)
-                        printf("%s%s%s", ansi_highlight_green(), draw_special_char(DRAW_BLACK_CIRCLE), ansi_highlight_off());
+                        printf("%s%s%s ", ansi_highlight_green(), draw_special_char(DRAW_BLACK_CIRCLE), ansi_highlight_off());
                 else
-                        printf("%s%s%s", ansi_highlight_red(), draw_special_char(DRAW_BLACK_CIRCLE), ansi_highlight_off());
+                        printf("%s%s%s ", ansi_highlight_red(), draw_special_char(DRAW_BLACK_CIRCLE), ansi_highlight_off());
 
                 r = list_dependencies_print(*c, level, branches, c[1] == NULL);
                 if (r < 0)
@@ -1833,7 +1833,7 @@ static void output_machines_list(struct machine_info *machine_infos, unsigned n)
                         on_failed = off_failed = "";
 
                 if (circle_len > 0)
-                        printf("%s%s%s", on_state, circle ? draw_special_char(DRAW_BLACK_CIRCLE) : "  ", off_state);
+                        printf("%s%s%s ", on_state, circle ? draw_special_char(DRAW_BLACK_CIRCLE) : " ", off_state);
 
                 if (m->is_host)
                         printf("%-*s (host) %s%-*s%s %s%*u%s %*u\n",
@@ -3234,7 +3234,7 @@ static void print_status_info(
         } else
                 active_on = active_off = "";
 
-        printf("%s%s%s%s", active_on, draw_special_char(DRAW_BLACK_CIRCLE), active_off, strna(i->id));
+        printf("%s%s%s %s", active_on, draw_special_char(DRAW_BLACK_CIRCLE), active_off, strna(i->id));
 
         if (i->description && !streq_ptr(i->id, i->description))
                 printf(" - %s", i->description);
@@ -4338,7 +4338,7 @@ static int show_system_status(sd_bus *bus) {
         } else
                 on = off = "";
 
-        printf("%s%s%s%s\n", on, draw_special_char(DRAW_BLACK_CIRCLE), off, arg_host ? arg_host : hn);
+        printf("%s%s%s %s\n", on, draw_special_char(DRAW_BLACK_CIRCLE), off, arg_host ? arg_host : hn);
 
         printf("    State: %s%s%s\n",
                on, strna(mi.state), off);