diff options
| author | Paul Mackerras <paulus@samba.org> | 1994-11-30 05:29:36 +0000 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 1994-11-30 05:29:36 +0000 |
| commit | f4d5a87c725be4efd3ab91a49498d548ebe0e91c (patch) | |
| tree | 2ce73c588b3a92f8b277dd82e8f20760e6838c78 /modules | |
| parent | 3fc9490b63f3ebdc0f66b1b945ae9bd1a60f0b5e (diff) | |
| download | ppp-f4d5a87c725be4efd3ab91a49498d548ebe0e91c.tar.gz | |
add hdrlen stuff
Diffstat (limited to 'modules')
| -rw-r--r-- | modules/bsd-comp.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/modules/bsd-comp.c b/modules/bsd-comp.c index dfa73aa..d6b1c3c 100644 --- a/modules/bsd-comp.c +++ b/modules/bsd-comp.c @@ -40,7 +40,7 @@ /* * This version is for use with STREAMS under SunOS 4.x. * - * $Id: bsd-comp.c,v 1.6 1994/10/24 04:28:14 paulus Exp $ + * $Id: bsd-comp.c,v 1.7 1994/11/30 05:29:36 paulus Exp $ */ #include <sys/param.h> @@ -98,6 +98,7 @@ struct bsd_db { u_char debug; u_char unit; u_short seqno; /* sequence number of next packet */ + u_int hdrlen; /* header length to preallocate */ u_int mru; u_int maxmaxcode; /* largest valid code */ u_int max_ent; /* largest code in use */ @@ -144,7 +145,7 @@ static void bsd_free __P((void *state)); static int bsd_comp_init __P((void *state, u_char *options, int opt_len, int unit, int debug)); static int bsd_decomp_init __P((void *state, u_char *options, int opt_len, - int unit, int mru, int debug)); + int unit, int hdrlen, int mru, int debug)); static int bsd_compress __P((void *state, mblk_t **mret, mblk_t *mp, int slen, int maxolen)); static void bsd_incomp __P((void *state, mblk_t *dmsg)); @@ -407,10 +408,10 @@ bsd_decomp_alloc(options, opt_len) * Initialize the database. */ static int -bsd_init(db, options, opt_len, unit, mru, debug, decomp) +bsd_init(db, options, opt_len, unit, hdrlen, mru, debug, decomp) struct bsd_db *db; u_char *options; - int opt_len, unit, mru, debug, decomp; + int opt_len, unit, hdrlen, mru, debug, decomp; { int i; @@ -432,6 +433,7 @@ bsd_init(db, options, opt_len, unit, mru, debug, decomp) } db->unit = unit; + db->hdrlen = hdrlen; db->mru = mru; if (debug) db->debug = 1; @@ -448,17 +450,17 @@ bsd_comp_init(state, options, opt_len, unit, debug) int opt_len, unit, debug; { return bsd_init((struct bsd_db *) state, options, opt_len, - unit, 0, debug, 0); + unit, 0, 0, debug, 0); } static int -bsd_decomp_init(state, options, opt_len, unit, mru, debug) +bsd_decomp_init(state, options, opt_len, unit, hdrlen, mru, debug) void *state; u_char *options; - int opt_len, unit, mru, debug; + int opt_len, unit, hdrlen, mru, debug; { return bsd_init((struct bsd_db *) state, options, opt_len, - unit, mru, debug, 1); + unit, hdrlen, mru, debug, 1); } @@ -881,9 +883,10 @@ bsd_decompress(state, cmsg, dmpp) /* * Allocate one message block to start with. */ - if ((dmsg = allocb(DECOMP_CHUNK, BPRI_MED)) == NULL) + if ((dmsg = allocb(DECOMP_CHUNK + db->hdrlen, BPRI_MED)) == NULL) return DECOMP_ERROR; mret = dmsg; + dmsg->b_wptr += db->hdrlen; dmsg->b_rptr = wptr = dmsg->b_wptr; /* Fill in the ppp header, but not the last byte of the protocol |