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Use buffer size in cell_as_unicode_for_fallback as well

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Kovid Goyal 2025-02-16 10:02:39 +05:30
parent b4b2b44c92
commit 96d231dfa5
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GPG key ID: 06BC317B515ACE7C
3 changed files with 4 additions and 4 deletions
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2
kitty/fontconfig.c
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@ -505,7 +505,7 @@ create_fallback_face(PyObject UNUSED *base_face, const ListOfChars *lc, bool bol
if (!emoji_presentation && bold) { AP(FcPatternAddInteger, FC_WEIGHT, FC_WEIGHT_BOLD, "weight"); }
if (!emoji_presentation && italic) { AP(FcPatternAddInteger, FC_SLANT, FC_SLANT_ITALIC, "slant"); }
if (emoji_presentation) { AP(FcPatternAddBool, FC_COLOR, true, "color"); }
size_t num = cell_as_unicode_for_fallback(lc, char_buf);
size_t num = cell_as_unicode_for_fallback(lc, char_buf, arraysz(char_buf));
add_charset(pat, num);
d = _fc_match(pat);
face_from_descriptor:

4
kitty/line.c
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@ -402,11 +402,11 @@ text_at(Line* self, Py_ssize_t xval) {
}
size_t
cell_as_unicode_for_fallback(const ListOfChars *lc, Py_UCS4 *buf) {
cell_as_unicode_for_fallback(const ListOfChars *lc, Py_UCS4 *buf, size_t sz) {
size_t n = 1;
buf[0] = lc->chars[0] ? lc->chars[0] : ' ';
if (buf[0] != '\t') {
for (unsigned i = 1; i < lc->count; i++) {
for (unsigned i = 1; i < lc->count && n < sz; i++) {
if (lc->chars[i] != VS15 && lc->chars[i] != VS16) buf[n++] = lc->chars[i];
}
} else buf[0] = ' ';

2
kitty/lineops.h
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@ -78,7 +78,7 @@ index_type next_char_pos(const Line *self, index_type x, index_type num);
index_type prev_char_pos(const Line *self, index_type x, index_type num);
bool line_as_ansi(Line *self, ANSILineState *s, index_type start_at, index_type stop_before, char_type prefix_char, bool skip_multiline_non_zero_lines) __attribute__((nonnull));
unsigned int line_length(Line *self);
size_t cell_as_unicode_for_fallback(const ListOfChars *lc, Py_UCS4 *buf);
size_t cell_as_unicode_for_fallback(const ListOfChars *lc, Py_UCS4 *buf, size_t sz);
size_t cell_as_utf8_for_fallback(const ListOfChars *lc, char *buf);
bool unicode_in_range(const Line *self, const index_type start, const index_type limit, const bool include_cc, const bool add_trailing_newline, const bool skip_zero_cells, bool skip_multiline_non_zero_lines, ANSIBuf*);
PyObject* line_as_unicode(Line *, bool, ANSIBuf*);