From e421382b1b2deb8bf743ff5e44e54cc8f16fe633 Mon Sep 17 00:00:00 2001
From: rswindell <>
Date: Sat, 14 Jun 2003 10:05:13 +0000
Subject: [PATCH] strip_ctrl() only overwrites string if it was modified.
---
src/sbbs3/str_util.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/src/sbbs3/str_util.c b/src/sbbs3/str_util.c
index b6e0b8adcf..8b0ac06d71 100644
--- a/src/sbbs3/str_util.c
+++ b/src/sbbs3/str_util.c
@@ -64,13 +64,16 @@ char* DLLCALL strip_ctrl(char *str)
char tmp[1024];
int i,j;
- for(i=j=0;str[i] && j<(int)sizeof(tmp)-1;i++)
+ for(i=j=0;str[i] && j<(int)sizeof(tmp)-1;i++) {
if(str[i]==CTRL_A && str[i+1]!=0)
i++;
else if((uchar)str[i]>=SP)
tmp[j++]=str[i];
- tmp[j]=0;
- strcpy(str,tmp);
+ }
+ if(i!=j) {
+ tmp[j]=0;
+ strcpy(str,tmp);
+ }
return(str);
}
--
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