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From bc00d9db41a87b7a4b92c46f277e62ad58768420 Mon Sep 17 00:00:00 2001
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From: Lennart Poettering <lennart@poettering.net>
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Date: Tue, 6 Nov 2018 17:59:58 +0100
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Subject: [PATCH] locale-util: add logic to output smiley emojis at various
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happiness levels
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(cherry picked from commit 5f1b0cc6d064f7847982e7b680cab3d080aef52e)
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Conflicts:
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doc/ENVIRONMENT.md
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src/basic/locale-util.c
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src/basic/locale-util.h
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src/test/test-locale-util.c
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Related: #1689832
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---
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doc/ENVIRONMENT.md | 5 +++
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src/basic/locale-util.c | 81 ++++++++++++++++++++++++++++---------
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src/basic/locale-util.h | 12 ++++++
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src/test/test-locale-util.c | 12 +++++-
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4 files changed, 90 insertions(+), 20 deletions(-)
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diff --git a/doc/ENVIRONMENT.md b/doc/ENVIRONMENT.md
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index 85d26fe28c..1e648be640 100644
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--- a/doc/ENVIRONMENT.md
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+++ b/doc/ENVIRONMENT.md
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@@ -37,6 +37,11 @@ All tools:
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useful for debugging, in order to test generators and other code against
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specific kernel command lines.
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+* `$SYSTEMD_EMOJI=0` — if set, tools such as "systemd-analyze security" will
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+ not output graphical smiley emojis, but ASCII alternatives instead. Note that
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+ this only controls use of Unicode emoji glyphs, and has no effect on other
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+ Unicode glyphs.
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+
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systemctl:
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* `$SYSTEMCTL_FORCE_BUS=1` — if set, do not connect to PID1's private D-Bus
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diff --git a/src/basic/locale-util.c b/src/basic/locale-util.c
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index 3ad352f22f..7cd143ea6f 100644
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--- a/src/basic/locale-util.c
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+++ b/src/basic/locale-util.c
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@@ -16,6 +16,7 @@
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#include "def.h"
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#include "dirent-util.h"
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+#include "env-util.h"
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#include "fd-util.h"
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#include "hashmap.h"
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#include "locale-util.h"
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@@ -347,6 +348,24 @@ bool keymap_is_valid(const char *name) {
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return true;
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}
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+static bool emoji_enabled(void) {
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+ static int cached_emoji_enabled = -1;
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+
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+ if (cached_emoji_enabled < 0) {
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+ int val;
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+
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+ val = getenv_bool("SYSTEMD_EMOJI");
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+ if (val < 0)
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+ cached_emoji_enabled =
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+ is_locale_utf8() &&
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+ !STRPTR_IN_SET(getenv("TERM"), "dumb", "linux");
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+ else
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+ cached_emoji_enabled = val;
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+ }
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+
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+ return cached_emoji_enabled;
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+}
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+
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const char *special_glyph(SpecialGlyph code) {
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/* A list of a number of interesting unicode glyphs we can use to decorate our output. It's probably wise to be
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@@ -359,32 +378,56 @@ const char *special_glyph(SpecialGlyph code) {
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static const char* const draw_table[2][_SPECIAL_GLYPH_MAX] = {
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/* ASCII fallback */
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[false] = {
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- [TREE_VERTICAL] = "| ",
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- [TREE_BRANCH] = "|-",
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- [TREE_RIGHT] = "`-",
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- [TREE_SPACE] = " ",
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- [TRIANGULAR_BULLET] = ">",
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- [BLACK_CIRCLE] = "*",
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- [ARROW] = "->",
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- [MDASH] = "-",
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- [ELLIPSIS] = "..."
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+ [TREE_VERTICAL] = "| ",
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+ [TREE_BRANCH] = "|-",
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+ [TREE_RIGHT] = "`-",
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+ [TREE_SPACE] = " ",
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+ [TRIANGULAR_BULLET] = ">",
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+ [BLACK_CIRCLE] = "*",
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+ [BULLET] = "*",
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+ [ARROW] = "->",
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+ [MDASH] = "-",
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+ [ELLIPSIS] = "...",
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+ [MU] = "u",
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+ [CHECK_MARK] = "+",
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+ [CROSS_MARK] = "-",
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+ [ECSTATIC_SMILEY] = ":-]",
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+ [HAPPY_SMILEY] = ":-}",
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+ [SLIGHTLY_HAPPY_SMILEY] = ":-)",
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+ [NEUTRAL_SMILEY] = ":-|",
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+ [SLIGHTLY_UNHAPPY_SMILEY] = ":-(",
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+ [UNHAPPY_SMILEY] = ":-{️",
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+ [DEPRESSED_SMILEY] = ":-[",
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},
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/* UTF-8 */
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[true] = {
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- [TREE_VERTICAL] = "\342\224\202 ", /* │ */
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- [TREE_BRANCH] = "\342\224\234\342\224\200", /* ├─ */
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- [TREE_RIGHT] = "\342\224\224\342\224\200", /* └─ */
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- [TREE_SPACE] = " ", /* */
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- [TRIANGULAR_BULLET] = "\342\200\243", /* ‣ */
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- [BLACK_CIRCLE] = "\342\227\217", /* ● */
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- [ARROW] = "\342\206\222", /* → */
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- [MDASH] = "\342\200\223", /* – */
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- [ELLIPSIS] = "\342\200\246", /* … */
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+ [TREE_VERTICAL] = "\342\224\202 ", /* │ */
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+ [TREE_BRANCH] = "\342\224\234\342\224\200", /* ├─ */
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+ [TREE_RIGHT] = "\342\224\224\342\224\200", /* └─ */
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+ [TREE_SPACE] = " ", /* */
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+ [TRIANGULAR_BULLET] = "\342\200\243", /* ‣ */
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+ [BLACK_CIRCLE] = "\342\227\217", /* ● */
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+ [BULLET] = "\342\200\242", /* • */
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+ [ARROW] = "\342\206\222", /* → */
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+ [MDASH] = "\342\200\223", /* – */
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+ [ELLIPSIS] = "\342\200\246", /* … */
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+ [MU] = "\316\274", /* μ */
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+ [CHECK_MARK] = "\342\234\223", /* ✓ */
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+ [CROSS_MARK] = "\342\234\227", /* ✗ */
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+ [ECSTATIC_SMILEY] = "\360\237\230\207", /* 😇 */
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+ [HAPPY_SMILEY] = "\360\237\230\200", /* 😀 */
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+ [SLIGHTLY_HAPPY_SMILEY] = "\360\237\231\202", /* 🙂 */
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+ [NEUTRAL_SMILEY] = "\360\237\230\220", /* 😐 */
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+ [SLIGHTLY_UNHAPPY_SMILEY] = "\360\237\231\201", /* 🙁 */
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+ [UNHAPPY_SMILEY] = "\360\237\230\250", /* 😨️️ */
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+ [DEPRESSED_SMILEY] = "\360\237\244\242", /* 🤢 */
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},
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};
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- return draw_table[is_locale_utf8()][code];
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+ assert(code < _SPECIAL_GLYPH_MAX);
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+
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+ return draw_table[code >= _SPECIAL_GLYPH_FIRST_SMILEY ? emoji_enabled() : is_locale_utf8()][code];
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}
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static const char * const locale_variable_table[_VARIABLE_LC_MAX] = {
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diff --git a/src/basic/locale-util.h b/src/basic/locale-util.h
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index 775fe8bc72..368675f286 100644
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--- a/src/basic/locale-util.h
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+++ b/src/basic/locale-util.h
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@@ -45,9 +45,21 @@ typedef enum {
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TREE_SPACE,
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TRIANGULAR_BULLET,
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BLACK_CIRCLE,
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+ BULLET,
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ARROW,
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MDASH,
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ELLIPSIS,
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+ MU,
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+ CHECK_MARK,
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+ CROSS_MARK,
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+ _SPECIAL_GLYPH_FIRST_SMILEY,
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+ ECSTATIC_SMILEY = _SPECIAL_GLYPH_FIRST_SMILEY,
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+ HAPPY_SMILEY,
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+ SLIGHTLY_HAPPY_SMILEY,
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+ NEUTRAL_SMILEY,
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+ SLIGHTLY_UNHAPPY_SMILEY,
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+ UNHAPPY_SMILEY,
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+ DEPRESSED_SMILEY,
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_SPECIAL_GLYPH_MAX
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} SpecialGlyph;
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diff --git a/src/test/test-locale-util.c b/src/test/test-locale-util.c
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index 8ffae8ca03..0c3f6a62ed 100644
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--- a/src/test/test-locale-util.c
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+++ b/src/test/test-locale-util.c
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@@ -65,7 +65,7 @@ static void test_keymaps(void) {
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#define dump_glyph(x) log_info(STRINGIFY(x) ": %s", special_glyph(x))
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static void dump_special_glyphs(void) {
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- assert_cc(ELLIPSIS + 1 == _SPECIAL_GLYPH_MAX);
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+ assert_cc(DEPRESSED_SMILEY + 1 == _SPECIAL_GLYPH_MAX);
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log_info("/* %s */", __func__);
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@@ -80,6 +80,16 @@ static void dump_special_glyphs(void) {
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dump_glyph(ARROW);
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dump_glyph(MDASH);
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dump_glyph(ELLIPSIS);
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+ dump_glyph(MU);
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+ dump_glyph(CHECK_MARK);
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+ dump_glyph(CROSS_MARK);
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+ dump_glyph(ECSTATIC_SMILEY);
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+ dump_glyph(HAPPY_SMILEY);
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+ dump_glyph(SLIGHTLY_HAPPY_SMILEY);
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+ dump_glyph(NEUTRAL_SMILEY);
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+ dump_glyph(SLIGHTLY_UNHAPPY_SMILEY);
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+ dump_glyph(UNHAPPY_SMILEY);
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+ dump_glyph(DEPRESSED_SMILEY);
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}
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int main(int argc, char *argv[]) {
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