qiurui
/
glibc
mirror of git://sourceware.org/git/glibc.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

(parse_dup_op): Fail with REG_BADBR is first number in {,} expression is larger.

This commit is contained in:
Ulrich Drepper 2003-11-13 17:25:46 +00:00
parent b27eea96b9
commit deeb4aae69
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
posix/regcomp.c
View File

@ -2412,6 +2412,12 @@ parse_dup_op (dup_elem, regexp, dfa, token, syntax, err)
goto parse_dup_op_espace; goto parse_dup_op_espace;
} }
} }
else if (BE (start > end, 0))
{
/* First number greater than first. */
*err = REG_BADBR;
return NULL;
}
else if (end - start > 0) else if (end - start > 0)
{ {
/* Then extract "<re>{0,m}" to "<re>?<re>?...<re>?". */ /* Then extract "<re>{0,m}" to "<re>?<re>?...<re>?". */