diff options
| author | drh <> | 2023-05-12 15:45:34 +0000 |
|---|---|---|
| committer | drh <> | 2023-05-12 15:45:34 +0000 |
| commit | 4f3dc93978f36a219ffa042ec78c5851e92d22bf (patch) | |
| tree | 21643ad499b4072375746f14d27dba25a7e2a6c7 /ext/misc/regexp.c | |
| parent | fb74019a143dae9d20ba408ac8da74818cea6776 (diff) | |
| download | sqlite-4f3dc93978f36a219ffa042ec78c5851e92d22bf.tar.gz sqlite-4f3dc93978f36a219ffa042ec78c5851e92d22bf.zip | |
Make the regexp extension more robust against OOM errors during compilation
of the recognizer engine.
[forum:/forumpost/f50aecd5e8|Forum post f50aecd5e8].
FossilOrigin-Name: 0772ddf56713d013cd1bd44f9c75977ca14f852e3a8f038b0a6b9814f6519d79
Diffstat (limited to 'ext/misc/regexp.c')
| -rw-r--r-- | ext/misc/regexp.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/ext/misc/regexp.c b/ext/misc/regexp.c index 5da80dd92..743c262e0 100644 --- a/ext/misc/regexp.c +++ b/ext/misc/regexp.c @@ -619,7 +619,7 @@ static const char *re_subcompile_string(ReCompiled *p){ if( rePeek(p)==']' ){ p->sIn.i++; break; } } if( c==0 ) return "unclosed '['"; - p->aArg[iFirst] = p->nState - iFirst; + if( p->nState>iFirst ) p->aArg[iFirst] = p->nState - iFirst; break; } case '\\': { |