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PPP, CCP, compile-out a bit more MPPE code if MPPE is disabled
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@ -123,7 +123,9 @@ typedef struct ccp_options {
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unsigned int predictor_2 :1; /* do Predictor-2? */
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unsigned int :2; /* 2 bit of padding to round out to 8 bits */
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#if MPPE_SUPPORT
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u8_t mppe; /* MPPE bitfield */
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#endif /* MPPE_SUPPORT */
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u_short bsd_bits; /* # bits/code for BSD Compress */
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u_short deflate_size; /* lg(window size) for Deflate */
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short method; /* code for chosen compression method */
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@ -243,9 +243,14 @@ static const fsm_callbacks ccp_callbacks = {
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/*
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* Do we want / did we get any compression?
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*/
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#define ANY_COMPRESS(opt) ((opt)->deflate || (opt)->bsd_compress \
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|| (opt)->predictor_1 || (opt)->predictor_2 \
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|| (opt)->mppe)
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static int ccp_anycompress(ccp_options *opt) {
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return ((opt)->deflate || (opt)->bsd_compress
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|| (opt)->predictor_1 || (opt)->predictor_2
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#if MPPE_SUPPORT
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|| (opt)->mppe
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#endif /* MPPE_SUPPORT */
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);
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}
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/*
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* Local state (mainly for handling reset-reqs and reset-acks).
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@ -400,7 +405,7 @@ static void ccp_open(ppp_pcb *pcb) {
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* deciding whether to open in silent mode.
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*/
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ccp_resetci(f);
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if (!ANY_COMPRESS(go))
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if (!ccp_anycompress(go))
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f->flags |= OPT_SILENT;
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fsm_open(f);
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@ -459,7 +464,7 @@ static void ccp_input(ppp_pcb *pcb, u_char *p, int len) {
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* close CCP.
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*/
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if (oldstate == PPP_FSM_REQSENT && p[0] == TERMACK
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&& !ANY_COMPRESS(go))
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&& !ccp_anycompress(go))
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ccp_close(pcb, "No compression negotiated");
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}
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@ -706,7 +711,10 @@ static int ccp_cilen(fsm *f) {
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+ (go->deflate && go->deflate_draft? CILEN_DEFLATE: 0)
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+ (go->predictor_1? CILEN_PREDICTOR_1: 0)
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+ (go->predictor_2? CILEN_PREDICTOR_2: 0)
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+ (go->mppe? CILEN_MPPE: 0);
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#if MPPE_SUPPORT
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+ (go->mppe? CILEN_MPPE: 0)
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#endif /* MPPE_SUPPORT */
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;
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}
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/*
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@ -1316,7 +1324,7 @@ static int ccp_reqci(fsm *f, u_char *p, int *lenp, int dont_nak) {
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static const char *method_name(ccp_options *opt, ccp_options *opt2) {
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static char result[64];
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if (!ANY_COMPRESS(opt))
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if (!ccp_anycompress(opt))
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return "(none)";
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switch (opt->method) {
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#if MPPE_SUPPORT
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@ -1382,8 +1390,8 @@ static void ccp_up(fsm *f) {
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char method1[64];
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ccp_flags_set(pcb, 1, 1);
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if (ANY_COMPRESS(go)) {
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if (ANY_COMPRESS(ho)) {
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if (ccp_anycompress(go)) {
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if (ccp_anycompress(ho)) {
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if (go->method == ho->method) {
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ppp_notice("%s compression enabled", method_name(go, ho));
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} else {
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@ -1393,7 +1401,7 @@ static void ccp_up(fsm *f) {
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}
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} else
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ppp_notice("%s receive compression enabled", method_name(go, NULL));
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} else if (ANY_COMPRESS(ho))
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} else if (ccp_anycompress(ho))
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ppp_notice("%s transmit compression enabled", method_name(ho, NULL));
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#if MPPE_SUPPORT
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if (go->mppe) {
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