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fix the estimation of the character size in PgfExprParser::putc

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This commit is contained in:
krangelov
2021-10-01 12:22:15 +02:00
parent c21627950a
commit e6960e30f6
1 changed files with 10 additions and 9 deletions
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19
src/runtime/c/pgf/expr.cxx
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@@ -248,21 +248,22 @@ uint32_t PgfExprParser::getc()
return ch;
}
void PgfExprParser::putc(uint32_t ch)
void PgfExprParser::putc(uint32_t ucs)
{
size_t ch_len =
(ch < 0xe0 ? 1 :
ch < 0xf0 ? 2 :
ch < 0xf8 ? 3 :
ch < 0xfc ? 4 :
5
size_t ucs_len =
(ucs < 0x80 ? 1 :
ucs < 0x800 ? 2 :
ucs < 0x10000 ? 3 :
ucs < 0x200000 ? 4 :
ucs < 0x4000000 ? 5 :
6
);
size_t len = token_value ? token_value->size : 0;
token_value = (PgfText*)
realloc(token_value, sizeof(PgfText)+len+ch_len+1);
realloc(token_value, sizeof(PgfText)+len+ucs_len+1);
uint8_t *p = (uint8_t*) (token_value->text+len);
pgf_utf8_encode(ch, &p);
pgf_utf8_encode(ucs, &p);
token_value->size = p - ((uint8_t*) token_value->text);
*(p++) = 0;
}