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fix the case of an empty chart

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Krasimir Angelov
2026-08-20 13:13:59 +02:00
parent 17a308972a
commit 83700a62a2
1 changed files with 4 additions and 2 deletions
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src/runtime/c/pgf/parser.cxx
+4 -2
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@@ -1676,8 +1676,10 @@ bool PgfParser::change(size_t i, PgfText *change)
allocated_size = new_allocated_size;
}
const uint8_t *ptr1 = (uint8_t *)
&sentence->text[prev_state->start.byte_pos];
const uint8_t *ptr1 =
(prev_state!=NULL)
? (uint8_t *) &sentence->text[prev_state->start.byte_pos]
: NULL;
size_t pos = prev_state->start.pos;
while (pos < update_new_pos) {
pgf_utf8_decode(&ptr1); pos++;