diff options
Diffstat (limited to 'libbb/trim.c')
| -rw-r--r-- | libbb/trim.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/libbb/trim.c b/libbb/trim.c index 4957d7276..94ccaf7ed 100644 --- a/libbb/trim.c +++ b/libbb/trim.c @@ -16,12 +16,16 @@ void trim(char *s) size_t lws; /* trim trailing whitespace */ - while (len && isspace(s[len-1])) --len; + while (len && isspace(s[len-1])) + --len; /* trim leading whitespace */ if (len) { lws = strspn(s, " \n\r\t\v"); - memmove(s, s + lws, len -= lws); + if (lws) { + len -= lws; + memmove(s, s + lws, len); + } } s[len] = '\0'; } |