lower lookbehind length

fastify · Nov 30, 2024 · f61b417 · f61b417
1 parent 67b2cbb
commit f61b417
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Showing 2 changed files with 5 additions and 5 deletions.
diff --git a/deps/streamsearch/sbmh.js b/deps/streamsearch/sbmh.js
@@ -58,7 +58,7 @@ function SBMH (needle) {
   this._needle = needle
   this._bufpos = 0
 
-  this._lookbehind = Buffer.alloc(needleLength)
+  this._lookbehind = Buffer.alloc(needleLength - 1)
 
   // Populate occurrence table with analysis of the needle,
   // ignoring last letter.

diff --git a/test/streamsearch.test.js b/test/streamsearch.test.js
@@ -244,7 +244,7 @@ test('streamsearch', async t => {
 
     const expected = [
       [false, Buffer.from('bar\r'), 0, 3],
-      [false, Buffer.from('\r\0\0'), 0, 1],
+      [false, Buffer.from('\r\0'), 0, 1],
       [false, Buffer.from('\n\r\nhello'), 0, 8]
     ]
     const needle = '\r\n\n'
@@ -339,7 +339,7 @@ test('streamsearch', async t => {
     t.plan(13)
 
     const expected = [
-      [false, Buffer.from('\n\n\0'), 0, 1],
+      [false, Buffer.from('\n\n'), 0, 1],
       [true, undefined, undefined, undefined],
       [false, Buffer.from('\r\nhello'), 1, 7]
     ]
@@ -374,8 +374,8 @@ test('streamsearch', async t => {
 
     const expected = [
       [false, Buffer.from('bar\r'), 0, 3],
-      [false, Buffer.from('\r\n\0'), 0, 2],
-      [false, Buffer.from('\r\n\0'), 0, 1],
+      [false, Buffer.from('\r\n'), 0, 2],
+      [false, Buffer.from('\r\n'), 0, 1],
       [false, Buffer.from('hello'), 0, 5]
     ]
     const needle = '\r\n\n'