stringbuffer_trim_trailing_white()

int stringbuffer_trim_trailing_white

(

stringbuffer_t *

s

)

Trims whitespace off the end of the stringbuffer.

Returns the number of characters trimmed.

Definition at line 268 of file stringbuffer.c.

References stringbuffer_t::str_end, and stringbuffer_t::str_start.

{
        char *ptr = s->str_end;
        int dist = 0;

        /* Roll backwards until we hit a non-space. */
        while( ptr > s->str_start )
        {
                ptr--;
                if( (*ptr == ' ') || (*ptr == '\t') )
                {
                        continue;
                }
                else
                {
                        ptr++;
                        dist = s->str_end - ptr;
                        *ptr = '\0';
                        s->str_end = ptr;
                        return dist;
                }
        }
        return dist;
}