diff options
Diffstat (limited to 'libbb/trim.c')
| -rw-r--r-- | libbb/trim.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/libbb/trim.c b/libbb/trim.c index 38aa282..0dca667 100644 --- a/libbb/trim.c +++ b/libbb/trim.c @@ -29,14 +29,18 @@ void trim(char *s) { - int len = strlen(s); + size_t len = strlen(s); + size_t lws; /* trim trailing whitespace */ - while ( len > 0 && isspace(s[len-1])) - s[--len]='\0'; + while (len && isspace(s[len-1])) --len; /* trim leading whitespace */ - memmove(s, &s[strspn(s, " \n\r\t\v")], len); + if(len) { + lws = strspn(s, " \n\r\t\v"); + memmove(s, s + lws, len -= lws); + } + s[len] = 0; } /* END CODE */ |