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fix * at the start of a BRE subexpression

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commit 7eaa76fc2e made * invalid at
the start of a BRE subexpression, but it should be accepted as
literal * there according to the standard.

This patch does not fix subexpressions starting with ^*.
This commit is contained in:
Szabolcs Nagy 2016-02-29 15:04:46 +00:00 • committed by Rich Felker
parent 6e694d6960
commit 39ea71fb8a
1 changed files with 0 additions and 4 deletions
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4
src/regex/regcomp.c
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@ -889,7 +889,6 @@ static reg_errcode_t parse_atom(tre_parse_ctx_t *ctx, const char *s)
s++;
break;
case '*':
return REG_BADPAT;
case '{':
case '+':
case '?':
@ -978,9 +977,6 @@ static reg_errcode_t tre_parse(tre_parse_ctx_t *ctx)
}
parse_iter:
/* extension: repetitions are rejected after an empty node
eg. (+), |*, {2}, but assertions are not treated as empty
so ^* or $? are accepted currently. */
for (;;) {
int min, max;