From 43cb9c03bcbfbac38bf4feff538c3fac4955cdfe Mon Sep 17 00:00:00 2001
From: kichik <kichik@212acab6-be3b-0410-9dea-997c60f758d6>
Date: Fri, 21 Mar 2003 12:38:11 +0000
Subject: [PATCH] Fixed TrimNewLines (thanks pengyou)

git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@2348 212acab6-be3b-0410-9dea-997c60f758d6
---
 Docs/src/usefulfunc.but | 30 +++++++++++++++++-------------
 1 file changed, 17 insertions(+), 13 deletions(-)

diff --git a/Docs/src/usefulfunc.but b/Docs/src/usefulfunc.but
index beff0d53..5f777e49 100644
--- a/Docs/src/usefulfunc.but
+++ b/Docs/src/usefulfunc.but
@@ -39,23 +39,27 @@
 \c  ; modifies no other variables.
 \c
 \c  Function TrimNewlines
-\c    Exch $R0
-\c    Push $R1
-\c    Push $R2
+\c      Exch $R0
+\c      Push $R1
+\c      Push $R2
 \c      StrCpy $R1 0
-\c      loop:
-\c        IntOp $R1 $R1 - 1
-\c        StrCpy $R2 $R0 1 $R1
-\c        StrCmp $R2 "$\r" loop
-\c        StrCmp $R2 "$\n" loop
-\c    IntOp $R1 $R1 + 1
-\c
+\c  
+\c  loop:
+\c      IntOp $R1 $R1 - 1
+\c      StrCpy $R2 $R0 1 $R1
+\c      StrCmp $R2 "$\r" loop
+\c      StrCmp $R2 "$\n" loop
+\c  IntOp $R1 $R1 + 1
+\c  IntCmp $R1 0 no_trim_needed
 \c    StrCpy $R0 $R0 $R1
-\c    Pop $R2
-\c    Pop $R1
-\c  Exch $R0
+\c  
+\c  no_trim_needed:
+\c      Pop $R2
+\c      Pop $R1
+\c      Exch $R0
 \c  FunctionEnd
 
+
 \H{getparameters} Get command line parameters
 
 \c  ; GetParameters