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unicode: fix handling of short 1-4 char tables

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function                                             old     new   delta
in_uint16_table                                       92     107     +15

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2020-11-30 11:18:00 +01:00
parent eb773054e4
commit 33e955ab91
2 changed files with 4 additions and 3 deletions

6
libbb/unicode.c

@@ -306,8 +306,10 @@ static int in_uint16_table(unsigned ucs, const uint16_t *table, unsigned max)
unsigned first, last;
first = table[0] >> 2;
last = first + (table[0] & 3);
if (ucs < first || ucs > last)
if (ucs < first)
return 0;
last = (table[max] >> 2) + (table[max] & 3);
if (ucs > last)
return 0;
min = 0;