sys/net/mppcc.c

146 int MPPC_Compress(u_char **src, u_char **dst, u_long *srcCnt, u_long *dstCnt, char *history, int flags, int undef)
162     if (*dstCnt < (*srcCnt * 9 / 8 + 2)) {
168     if (*srcCnt > MPPE_HIST_LEN) {
175     if (state->histptr + *srcCnt >= 2*MPPE_HIST_LEN) {
182     memcpy(sbuf, *src, *srcCnt);
183     state->histptr += *srcCnt;
186     r = sbuf + *srcCnt;
189     while (i < *srcCnt - 2) {
272     while(*srcCnt - i > 0) {
287     if ((*srcCnt < olen) || ((flags & MPPC_SAVE_HISTORY) == 0)) {
288 	if (*srcCnt < olen)
294     *src += *srcCnt;
295     *srcCnt = 0;