macro: Introduce UTF8() macro to define UTF-8 string literal
C23 changed char8_t from char to unsigned char, hence assigning a u8 literal
to const char* emits pointer sign warning, e.g.
========
../src/shared/qrcode-util.c: In function ‘print_border’:
../src/shared/qrcode-util.c:16:34: warning: pointer targets in passing argument 1 of ‘fputs’ differ in signedness [-Wpointer-sign]
16 | #define UNICODE_FULL_BLOCK u8"█"
| ^~~~~
| |
| const unsigned char *
../src/shared/qrcode-util.c:65:39: note: in expansion of macro ‘UNICODE_FULL_BLOCK’
65 | fputs(UNICODE_FULL_BLOCK, output);
| ^~~~~~~~~~~~~~~~~~
========
This introduces UTF8() macro, which define u8 literal and casts to consth char*,
then rewrites all u8 literal definitions with the macro.
With this change, we can build systemd with C23.
This commit is contained in:
Yu Watanabe
+50
-50
@@ -92,73 +92,73 @@ const char* glyph_full(Glyph code, bool force_utf) {
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[GLYPH_SPACE] = " ",
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/* The following are multiple glyphs in both ASCII and in UNICODE */
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[GLYPH_TREE_VERTICAL] = u8"│ ",
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[GLYPH_TREE_BRANCH] = u8"├─",
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[GLYPH_TREE_RIGHT] = u8"└─",
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[GLYPH_TREE_SPACE] = u8" ",
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[GLYPH_TREE_TOP] = u8"┌─",
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[GLYPH_TREE_VERTICAL] = UTF8("│ "),
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[GLYPH_TREE_BRANCH] = UTF8("├─"),
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[GLYPH_TREE_RIGHT] = UTF8("└─"),
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[GLYPH_TREE_SPACE] = UTF8(" "),
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[GLYPH_TREE_TOP] = UTF8("┌─"),
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/* Single glyphs in both cases */
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[GLYPH_VERTICAL_DOTTED] = u8"┆",
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[GLYPH_HORIZONTAL_DOTTED] = u8"┄",
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[GLYPH_HORIZONTAL_FAT] = u8"━",
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[GLYPH_TRIANGULAR_BULLET] = u8"‣",
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[GLYPH_BLACK_CIRCLE] = u8"●",
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[GLYPH_WHITE_CIRCLE] = u8"○",
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[GLYPH_MULTIPLICATION_SIGN] = u8"×",
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[GLYPH_CIRCLE_ARROW] = u8"↻",
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[GLYPH_BULLET] = u8"•",
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[GLYPH_MU] = u8"μ", /* actually called: GREEK SMALL LETTER MU */
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[GLYPH_CHECK_MARK] = u8"✓",
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[GLYPH_CROSS_MARK] = u8"✗", /* actually called: BALLOT X */
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[GLYPH_LIGHT_SHADE] = u8"░",
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[GLYPH_DARK_SHADE] = u8"▒",
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[GLYPH_FULL_BLOCK] = u8"█",
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[GLYPH_SIGMA] = u8"Σ",
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[GLYPH_ARROW_UP] = u8"↑", /* actually called: UPWARDS ARROW */
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[GLYPH_ARROW_DOWN] = u8"↓", /* actually called: DOWNWARDS ARROW */
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[GLYPH_VERTICAL_DOTTED] = UTF8("┆"),
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[GLYPH_HORIZONTAL_DOTTED] = UTF8("┄"),
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[GLYPH_HORIZONTAL_FAT] = UTF8("━"),
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[GLYPH_TRIANGULAR_BULLET] = UTF8("‣"),
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[GLYPH_BLACK_CIRCLE] = UTF8("●"),
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[GLYPH_WHITE_CIRCLE] = UTF8("○"),
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[GLYPH_MULTIPLICATION_SIGN] = UTF8("×"),
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[GLYPH_CIRCLE_ARROW] = UTF8("↻"),
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[GLYPH_BULLET] = UTF8("•"),
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[GLYPH_MU] = UTF8("μ"), /* actually called: GREEK SMALL LETTER MU */
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[GLYPH_CHECK_MARK] = UTF8("✓"),
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[GLYPH_CROSS_MARK] = UTF8("✗"), /* actually called: BALLOT X */
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[GLYPH_LIGHT_SHADE] = UTF8("░"),
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[GLYPH_DARK_SHADE] = UTF8("▒"),
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[GLYPH_FULL_BLOCK] = UTF8("█"),
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[GLYPH_SIGMA] = UTF8("Σ"),
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[GLYPH_ARROW_UP] = UTF8("↑"), /* actually called: UPWARDS ARROW */
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[GLYPH_ARROW_DOWN] = UTF8("↓"), /* actually called: DOWNWARDS ARROW */
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/* Single glyph in Unicode, two in ASCII */
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[GLYPH_ARROW_LEFT] = u8"←", /* actually called: LEFTWARDS ARROW */
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[GLYPH_ARROW_RIGHT] = u8"→", /* actually called: RIGHTWARDS ARROW */
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[GLYPH_ARROW_LEFT] = UTF8("←"), /* actually called: LEFTWARDS ARROW */
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[GLYPH_ARROW_RIGHT] = UTF8("→"), /* actually called: RIGHTWARDS ARROW */
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/* Single glyph in Unicode, three in ASCII */
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[GLYPH_ELLIPSIS] = u8"…", /* actually called: HORIZONTAL ELLIPSIS */
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[GLYPH_ELLIPSIS] = UTF8("…"), /* actually called: HORIZONTAL ELLIPSIS */
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/* Three glyphs in Unicode, five in ASCII */
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[GLYPH_EXTERNAL_LINK] = u8"[🡕]", /* actually called: NORTH EAST SANS-SERIF ARROW, enclosed in [] */
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[GLYPH_EXTERNAL_LINK] = UTF8("[🡕]"), /* actually called: NORTH EAST SANS-SERIF ARROW, enclosed in [] */
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/* These smileys are a single glyph in Unicode, and three in ASCII */
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[GLYPH_ECSTATIC_SMILEY] = u8"😇", /* actually called: SMILING FACE WITH HALO */
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[GLYPH_HAPPY_SMILEY] = u8"😀", /* actually called: GRINNING FACE */
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[GLYPH_SLIGHTLY_HAPPY_SMILEY] = u8"🙂", /* actually called: SLIGHTLY SMILING FACE */
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[GLYPH_NEUTRAL_SMILEY] = u8"😐", /* actually called: NEUTRAL FACE */
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[GLYPH_SLIGHTLY_UNHAPPY_SMILEY] = u8"🙁", /* actually called: SLIGHTLY FROWNING FACE */
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[GLYPH_UNHAPPY_SMILEY] = u8"😨", /* actually called: FEARFUL FACE */
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[GLYPH_DEPRESSED_SMILEY] = u8"🤢", /* actually called: NAUSEATED FACE */
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[GLYPH_ECSTATIC_SMILEY] = UTF8("😇"), /* actually called: SMILING FACE WITH HALO */
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[GLYPH_HAPPY_SMILEY] = UTF8("😀"), /* actually called: GRINNING FACE */
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[GLYPH_SLIGHTLY_HAPPY_SMILEY] = UTF8("🙂"), /* actually called: SLIGHTLY SMILING FACE */
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[GLYPH_NEUTRAL_SMILEY] = UTF8("😐"), /* actually called: NEUTRAL FACE */
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[GLYPH_SLIGHTLY_UNHAPPY_SMILEY] = UTF8("🙁"), /* actually called: SLIGHTLY FROWNING FACE */
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[GLYPH_UNHAPPY_SMILEY] = UTF8("😨"), /* actually called: FEARFUL FACE */
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[GLYPH_DEPRESSED_SMILEY] = UTF8("🤢"), /* actually called: NAUSEATED FACE */
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/* This emoji is a single character cell glyph in Unicode, and three in ASCII */
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[GLYPH_LOCK_AND_KEY] = u8"🔐", /* actually called: CLOSED LOCK WITH KEY */
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[GLYPH_LOCK_AND_KEY] = UTF8("🔐"), /* actually called: CLOSED LOCK WITH KEY */
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/* This emoji is a single character cell glyph in Unicode, and two in ASCII */
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[GLYPH_TOUCH] = u8"👆", /* actually called: BACKHAND INDEX POINTING UP */
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[GLYPH_TOUCH] = UTF8("👆"), /* actually called: BACKHAND INDEX POINTING UP */
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/* These four emojis are single character cell glyphs in Unicode and also in ASCII. */
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[GLYPH_RECYCLING] = u8"♻️", /* actually called: UNIVERSAL RECYCLNG SYMBOL */
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[GLYPH_DOWNLOAD] = u8"⤵️", /* actually called: RIGHT ARROW CURVING DOWN */
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[GLYPH_SPARKLES] = u8"✨",
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[GLYPH_LOW_BATTERY] = u8"🪫",
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[GLYPH_WARNING_SIGN] = u8"⚠️",
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[GLYPH_COMPUTER_DISK] = u8"💽",
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[GLYPH_WORLD] = u8"🌍",
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[GLYPH_RECYCLING] = UTF8("♻️"), /* actually called: UNIVERSAL RECYCLNG SYMBOL */
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[GLYPH_DOWNLOAD] = UTF8("⤵️"), /* actually called: RIGHT ARROW CURVING DOWN */
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[GLYPH_SPARKLES] = UTF8("✨"),
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[GLYPH_LOW_BATTERY] = UTF8("🪫"),
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[GLYPH_WARNING_SIGN] = UTF8("⚠️"),
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[GLYPH_COMPUTER_DISK] = UTF8("💽"),
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[GLYPH_WORLD] = UTF8("🌍"),
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[GLYPH_RED_CIRCLE] = u8"🔴",
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[GLYPH_YELLOW_CIRCLE] = u8"🟡",
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[GLYPH_BLUE_CIRCLE] = u8"🔵",
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[GLYPH_GREEN_CIRCLE] = u8"🟢",
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[GLYPH_SUPERHERO] = u8"🦸",
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[GLYPH_IDCARD] = u8"🪪",
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[GLYPH_HOME] = u8"🏠",
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[GLYPH_RED_CIRCLE] = UTF8("🔴"),
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[GLYPH_YELLOW_CIRCLE] = UTF8("🟡"),
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[GLYPH_BLUE_CIRCLE] = UTF8("🔵"),
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[GLYPH_GREEN_CIRCLE] = UTF8("🟢"),
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[GLYPH_SUPERHERO] = UTF8("🦸"),
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[GLYPH_IDCARD] = UTF8("🪪"),
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[GLYPH_HOME] = UTF8("🏠"),
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},
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};
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