X-Git-Url: https://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=modules%2Fbsd-comp.c;h=3d89d70ee7e37f05ad251586c5b40fecfd7db83b;hp=6bdbe10cfb28a687aa73ae88f7994c2a2eb52820;hb=c5871dbfa014bb554c101e65150c48fc8ba80c7b;hpb=1145d3f55794382369d911d0adf0038027b23cec diff --git a/modules/bsd-comp.c b/modules/bsd-comp.c index 6bdbe10..3d89d70 100644 --- a/modules/bsd-comp.c +++ b/modules/bsd-comp.c @@ -39,37 +39,31 @@ /* * This version is for use with STREAMS under SunOS 4.x, - * DEC Alpha OSF/1, and AIX 4.x. + * Digital UNIX, AIX 4.x, and SVR4 systems including Solaris 2. * - * $Id: bsd-comp.c,v 1.10 1995/05/01 01:43:16 paulus Exp $ + * $Id: bsd-comp.c,v 1.19 1996/06/26 00:53:15 paulus Exp $ */ -#ifdef __aix4__ +#ifdef AIX4 #include #endif #include #include #include -#include -#include #include -#include +#include "ppp_mod.h" -#ifdef sun -#include -#define ALLOCATE(n) kmem_alloc((n), KMEM_NOSLEEP) -#define FREE(p, n) kmem_free((p), (n)) +#ifdef SVR4 +#include +#ifndef _BIG_ENDIAN +#define BSD_LITTLE_ENDIAN #endif - -#ifdef __osf__ -#include -#define ALLOCATE(n) kalloc((n)) -#define FREE(p, n) kfree((p), (n)) #endif -#ifdef __aix4__ -#define ALLOCATE(n) xmalloc((n), 0, pinned_heap) -#define FREE(p, n) xmfree((p), pinned_heap) +#ifdef __osf__ +#undef FIRST +#undef LAST +#define BSD_LITTLE_ENDIAN #endif #define PACKETPTR mblk_t * @@ -148,7 +142,7 @@ struct bsd_db { }; #define BSD_OVHD 2 /* BSD compress overhead/packet */ -#define BSD_INIT_BITS MIN_BSD_BITS +#define BSD_INIT_BITS BSD_MIN_BITS static void *bsd_comp_alloc __P((u_char *options, int opt_len)); static void *bsd_decomp_alloc __P((u_char *options, int opt_len)); @@ -332,6 +326,7 @@ bsd_alloc(options, opt_len, decomp) if (opt_len != 3 || options[0] != CI_BSD_COMPRESS || options[1] != 3 || BSD_VERSION(options[2]) != BSD_CURRENT_VERSION) return NULL; + bits = BSD_NBITS(options[2]); switch (bits) { case 9: /* needs 82152 for both directions */ @@ -363,7 +358,11 @@ bsd_alloc(options, opt_len, decomp) maxmaxcode = MAXCODE(bits); newlen = sizeof(*db) + (hsize-1) * (sizeof(db->dict[0])); - db = (struct bsd_db *) ALLOCATE(newlen); +#ifdef __osf__ + db = (struct bsd_db *) ALLOC_SLEEP(newlen); +#else + db = (struct bsd_db *) ALLOC_NOSLEEP(newlen); +#endif if (!db) return NULL; bzero(db, sizeof(*db) - sizeof(db->dict)); @@ -371,7 +370,11 @@ bsd_alloc(options, opt_len, decomp) if (!decomp) { db->lens = NULL; } else { - db->lens = (u_short *) ALLOCATE((maxmaxcode+1) * sizeof(db->lens[0])); +#ifdef __osf__ + db->lens = (u_short *) ALLOC_SLEEP((maxmaxcode+1) * sizeof(db->lens[0])); +#else + db->lens = (u_short *) ALLOC_NOSLEEP((maxmaxcode+1) * sizeof(db->lens[0])); +#endif if (!db->lens) { FREE(db, newlen); return NULL; @@ -425,7 +428,8 @@ bsd_init(db, options, opt_len, unit, hdrlen, mru, debug, decomp) { int i; - if (opt_len != 3 || options[0] != CI_BSD_COMPRESS || options[1] != 3 + if (opt_len < CILEN_BSD_COMPRESS + || options[0] != CI_BSD_COMPRESS || options[1] != CILEN_BSD_COMPRESS || BSD_VERSION(options[2]) != BSD_CURRENT_VERSION || BSD_NBITS(options[2]) != db->maxbits || decomp && db->lens == NULL)