if (len < 0) return;
- ret = string_escape_str(str, &bp, len, ESCAPE_OCTAL, "\\ \n\t");
- if (ret < 0 || ret == len)
+ ret = string_escape_str(str, bp, len, ESCAPE_OCTAL, "\\ \n\t");
+ if (ret >= len) {
+ bp += len;
len = -1;
- else {
+ } else {
+ bp += ret;
len -= ret;
*bp++ = ' ';
len--;