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snp.c (36735) snp.c (42408)
1/*
2 * Copyright (c) 1995 Ugen J.S.Antsilevich
3 *
4 * Redistribution and use in source forms, with and without modification,
5 * are permitted provided that this entire comment appears intact.
6 *
7 * Redistribution in binary form may occur without any restrictions.
8 * Obviously, it would be nice if you gave credit where credit is due

--- 121 unchanged lines hidden (view full) ---

130 int flag;
131{
132 int unit = minor(dev), s;
133 struct snoop *snp = &snoopsw[unit];
134 int len, n, nblen, error = 0;
135 caddr_t from;
136 char *nbuf;
137
1/*
2 * Copyright (c) 1995 Ugen J.S.Antsilevich
3 *
4 * Redistribution and use in source forms, with and without modification,
5 * are permitted provided that this entire comment appears intact.
6 *
7 * Redistribution in binary form may occur without any restrictions.
8 * Obviously, it would be nice if you gave credit where credit is due

--- 121 unchanged lines hidden (view full) ---

130 int flag;
131{
132 int unit = minor(dev), s;
133 struct snoop *snp = &snoopsw[unit];
134 int len, n, nblen, error = 0;
135 caddr_t from;
136 char *nbuf;
137
138#ifdef DIAGNOSTIC
139 if ((snp->snp_len + snp->snp_base) > snp->snp_blen)
140 panic("snoop buffer error");
141#endif
138 KASSERT(snp->snp_len + snp->snp_base <= snp->snp_blen,
139 ("snoop buffer error"));
142
143 if (snp->snp_tty == NULL)
144 return (EIO);
145
146 snp->snp_flags &= ~SNOOP_RWAIT;
147
148 do {
149 if (snp->snp_len == 0) {

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207 int s, len, nblen;
208 caddr_t from, to;
209 char *nbuf;
210
211
212 if (n == 0)
213 return 0;
214
140
141 if (snp->snp_tty == NULL)
142 return (EIO);
143
144 snp->snp_flags &= ~SNOOP_RWAIT;
145
146 do {
147 if (snp->snp_len == 0) {

--- 57 unchanged lines hidden (view full) ---

205 int s, len, nblen;
206 caddr_t from, to;
207 char *nbuf;
208
209
210 if (n == 0)
211 return 0;
212
215#ifdef DIAGNOSTIC
216 if (n < 0)
217 panic("bad snoop char count");
213 KASSERT(n > 0, ("negative snoop char count"));
218
214
215#ifdef DIAGNOSTIC
219 if (!(snp->snp_flags & SNOOP_OPEN)) {
220 printf("Snoop: data coming to closed device.\n");
221 return 0;
222 }
223#endif
224 if (snp->snp_flags & SNOOP_DOWN) {
225 printf("Snoop: more data to down interface.\n");
226 return 0;

--- 319 unchanged lines hidden --- 		216 if (!(snp->snp_flags & SNOOP_OPEN)) {
217 printf("Snoop: data coming to closed device.\n");
218 return 0;
219 }
220#endif
221 if (snp->snp_flags & SNOOP_DOWN) {
222 printf("Snoop: more data to down interface.\n");
223 return 0;

--- 319 unchanged lines hidden ---