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Merge branch 'no-range-matching' of git://arthur.barton.de/ngircd-alex

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* 'no-range-matching' of git://arthur.barton.de/ngircd-alex:
  Remove "range matching" functionality
This commit is contained in:
Alexander Barton 2014-01-17 23:11:37 +01:00
commit 599cfd0944
1 changed files with 1 additions and 117 deletions
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118
src/ngircd/match.c
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@ -109,11 +109,6 @@ MatchCaseInsensitiveList(const char *Pattern, const char *String,
static int
Matche( const char *p, const char *t )
{
register char range_start, range_end;
bool invert;
bool member_match;
bool loop;
for( ; *p; p++, t++ )
{
/* if this is the end of the text then this is the end of the match */
@ -131,118 +126,7 @@ Matche( const char *p, const char *t )
case '*': /* multiple any character match */
return Matche_After_Star( p, t );
case '[': /* [..] construct, single member/exclusion character match */
/* move to beginning of range */
p++;
/* check if this is a member match or exclusion match */
invert = false;
if( *p == '!' || *p == '^' )
{
invert = true;
p++;
}
/* if closing bracket here or at range start then we have a malformed pattern */
if ( *p == ']' ) return MATCH_PATTERN;
member_match = false;
loop = true;
while( loop )
{
/* if end of construct then loop is done */
if( *p == ']' )
{
loop = false;
continue;
}
/* matching a '!', '^', '-', '\' or a ']' */
if( *p == '\\' ) range_start = range_end = *++p;
else range_start = range_end = *p;
/* if end of pattern then bad pattern (Missing ']') */
if( ! *p ) return MATCH_PATTERN;
/* check for range bar */
if( *++p == '-' )
{
/* get the range end */
range_end = *++p;
/* if end of pattern or construct then bad pattern */
if( range_end == '\0' || range_end == ']' ) return MATCH_PATTERN;
/* special character range end */
if( range_end == '\\' )
{
range_end = *++p;
/* if end of text then we have a bad pattern */
if ( ! range_end ) return MATCH_PATTERN;
}
/* move just beyond this range */
p++;
}
/* if the text character is in range then match found. make sure the range
* letters have the proper relationship to one another before comparison */
if( range_start < range_end )
{
if( *t >= range_start && *t <= range_end )
{
member_match = true;
loop = false;
}
}
else
{
if( *t >= range_end && *t <= range_start )
{
member_match = true;
loop = false;
}
}
}
/* if there was a match in an exclusion set then no match */
/* if there was no match in a member set then no match */
if(( invert && member_match ) || ! ( invert || member_match )) return MATCH_RANGE;
/* if this is not an exclusion then skip the rest of the [...]
* construct that already matched. */
if( member_match )
{
while( *p != ']' )
{
/* bad pattern (Missing ']') */
if( ! *p ) return MATCH_PATTERN;
/* skip exact match */
if( *p == '\\' )
{
p++;
/* if end of text then we have a bad pattern */
if( ! *p ) return MATCH_PATTERN;
}
/* move to next pattern char */
p++;
}
}
break;
case '\\': /* next character is quoted and must match exactly */
/* move pattern pointer to quoted char and fall through */
p++;
/* if end of text then we have a bad pattern */
if( ! *p ) return MATCH_PATTERN;
/* must match this character exactly */
default:
default: /* must match this character exactly */
if( *p != *t ) return MATCH_LITERAL;
}
}