open-autonomous-connection/luaj
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 2 Wiki Activity

Fix a frontier pattern match

Browse Source 
We're not in C anymore. LuaString are not null terminated.
Also need quotes in error messages.
This commit is contained in:
Enyby
2018-12-11 23:44:39 +02:00
committed by GitHub
parent 14ac4bb7f9
commit 47f8d6e6fc
1 changed files with 8 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

16
src/core/org/luaj/vm2/lib/StringLib.java
View File

@@ -972,19 +972,19 @@ public class StringLib extends TwoArgFunction {
switch ( p.luaByte( poffset++ ) ) {
case L_ESC:
if ( poffset == p.length() ) {
error( "malformed pattern (ends with %)" );
error( "malformed pattern (ends with '%')" );
}
return poffset + 1;
case '[':
if ( p.luaByte( poffset ) == '^' ) poffset++;
if ( poffset != p.length() && p.luaByte( poffset ) == '^' ) poffset++;
do {
if ( poffset == p.length() ) {
error( "malformed pattern (missing ])" );
error( "malformed pattern (missing ']')" );
}
if ( p.luaByte( poffset++ ) == L_ESC && poffset != p.length() )
poffset++;
} while ( p.luaByte( poffset ) != ']' );
if ( p.luaByte( poffset++ ) == L_ESC && poffset < p.length() )
poffset++; /* skip escapes (e.g. '%]') */
} while ( poffset == p.length() || p.luaByte( poffset ) != ']' );
return poffset + 1;
default:
return poffset;
@@ -1073,8 +1073,8 @@ public class StringLib extends TwoArgFunction {
continue;
case 'f': {
poffset += 2;
if ( p.luaByte( poffset ) != '[' ) {
error("Missing [ after %f in pattern");
if ( poffset == p.length() || p.luaByte( poffset ) != '[' ) {
error("Missing '[' after '%f' in pattern");
}
int ep = classend( poffset );
int previous = ( soffset == 0 ) ? '\0' : s.luaByte( soffset - 1 );