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authorGravatar Eric Andersen <andersen@codepoet.org>2001-04-04 22:49:01 +0000
committerGravatar Eric Andersen <andersen@codepoet.org>2001-04-04 22:49:01 +0000
commit3c0364f3911ec9f43e1c8c96ec2c8e30b1b52c47 (patch)
tree7ad1918c2c76df8f723195e20e9e95d21ef7c4e8 /libbb/trim.c
parent4fd382ea29c6492f4776aa29b8b298d3c4a98d01 (diff)
downloadbusybox-3c0364f3911ec9f43e1c8c96ec2c8e30b1b52c47.tar.gz
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Patch from Larry Doolittle to eliminate needless thrashing
about when trimming long strings with lots of trailing white space.
Diffstat (limited to 'libbb/trim.c')
-rw-r--r--libbb/trim.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/libbb/trim.c b/libbb/trim.c
index be97d4924..78cf235dd 100644
--- a/libbb/trim.c
+++ b/libbb/trim.c
@@ -33,11 +33,11 @@
void trim(char *s)
{
- int len;
+ int len=strlen(s);
/* trim trailing whitespace */
- while ( (len=strlen(s)) >= 1 && isspace(s[len-1]))
- s[len-1]='\0';
+ while ( len > 0 && isspace(s[len-1]))
+ s[--len]='\0';
/* trim leading whitespace */
memmove(s, &s[strspn(s, " \n\r\t\v")], len);