From 748945281cfe475b2b3d7396d5eeb70b6d99195b Mon Sep 17 00:00:00 2001
From: srowen <srowen@59b500cc-1b3d-0410-9834-0bbf25fbcc57>
Date: Wed, 11 Jan 2012 22:09:48 +0000
Subject: [PATCH] Issue 1122 allow short code 39/93

git-svn-id: https://zxing.googlecode.com/svn/trunk@2114 59b500cc-1b3d-0410-9834-0bbf25fbcc57
---
 core/src/com/google/zxing/oned/Code128Reader.java | 2 +-
 core/src/com/google/zxing/oned/Code39Reader.java  | 4 ++--
 core/src/com/google/zxing/oned/Code93Reader.java  | 4 ++--
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/core/src/com/google/zxing/oned/Code128Reader.java b/core/src/com/google/zxing/oned/Code128Reader.java
index 49eafcca1..bf1b62f95 100644
--- a/core/src/com/google/zxing/oned/Code128Reader.java
+++ b/core/src/com/google/zxing/oned/Code128Reader.java
@@ -431,7 +431,7 @@ public final class Code128Reader extends OneDReader {
     int resultLength = result.length();
     if (resultLength == 0) {
       // false positive
-      throw ChecksumException.getChecksumInstance();
+      throw NotFoundException.getNotFoundInstance();
     }
 
     // Only bother if the result had at least one character, and if the checksum digit happened to
diff --git a/core/src/com/google/zxing/oned/Code39Reader.java b/core/src/com/google/zxing/oned/Code39Reader.java
index 32d3aa67c..f7021e3fe 100644
--- a/core/src/com/google/zxing/oned/Code39Reader.java
+++ b/core/src/com/google/zxing/oned/Code39Reader.java
@@ -146,8 +146,8 @@ public final class Code39Reader extends OneDReader {
       result.setLength(max);
     }
 
-    if (result.length() < 4) {
-      // Almost surely a false positive
+    if (result.length() == 0) {
+      // false positive
       throw NotFoundException.getNotFoundInstance();
     }
 
diff --git a/core/src/com/google/zxing/oned/Code93Reader.java b/core/src/com/google/zxing/oned/Code93Reader.java
index c8fe2aa81..1106d5e87 100644
--- a/core/src/com/google/zxing/oned/Code93Reader.java
+++ b/core/src/com/google/zxing/oned/Code93Reader.java
@@ -88,8 +88,8 @@ public final class Code93Reader extends OneDReader {
       throw NotFoundException.getNotFoundInstance();
     }
 
-    if (result.length() < 4) {
-      // Almost surely a false positive
+    if (result.length() < 2) {
+      // false positive -- need at least 2 checksum digits
       throw NotFoundException.getNotFoundInstance();
     }