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authorPeter Wemm <peter@FreeBSD.org>1999-11-30 02:43:11 +0000
committerPeter Wemm <peter@FreeBSD.org>1999-11-30 02:43:11 +0000
commit6b6ac9438f352903fe405daefaf6a3c9a2b63093 (patch)
tree7828b08c74ef918938b1b853c98f0cb41edac52c /contrib/bind/lib/irs/getprotoent_r.c
parent15f7f569921160e3818633b964623b12cd9179d7 (diff)
downloadsrc-6b6ac9438f352903fe405daefaf6a3c9a2b63093.tar.gz
src-6b6ac9438f352903fe405daefaf6a3c9a2b63093.zip
Import bind v8.2.2.p5, minus the crypto for the time being. The bind
package does have BXA export approval, but the licensing strings on the dnssafe code are a bit unpleasant. The crypto is easy to restore and bind will run without it - just without full dnssec support. Obtained from: The Internet Software Consortium (www.isc.org)
Notes
Notes: svn path=/vendor/bind/dist/; revision=53910
Diffstat (limited to 'contrib/bind/lib/irs/getprotoent_r.c')
-rw-r--r--contrib/bind/lib/irs/getprotoent_r.c185
1 files changed, 185 insertions, 0 deletions
diff --git a/contrib/bind/lib/irs/getprotoent_r.c b/contrib/bind/lib/irs/getprotoent_r.c
new file mode 100644
index 000000000000..e5c54d7d06c7
--- /dev/null
+++ b/contrib/bind/lib/irs/getprotoent_r.c
@@ -0,0 +1,185 @@
+/*
+ * Copyright (c) 1998-1999 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static const char rcsid[] = "$Id: getprotoent_r.c,v 8.4 1999/01/18 07:46:52 vixie Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <port_before.h>
+#if !defined(_REENTRANT) || !defined(DO_PTHREADS)
+ static int getprotoent_r_not_required = 0;
+#else
+#include <errno.h>
+#include <string.h>
+#include <stdio.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <port_after.h>
+
+#ifdef PROTO_R_RETURN
+
+static PROTO_R_RETURN
+copy_protoent(struct protoent *, struct protoent *, PROTO_R_COPY_ARGS);
+
+PROTO_R_RETURN
+getprotobyname_r(const char *name, struct protoent *pptr, PROTO_R_ARGS) {
+ struct protoent *pe = getprotobyname(name);
+
+ if (pe == NULL)
+ return (PROTO_R_BAD);
+
+ return (copy_protoent(pe, pptr, PROTO_R_COPY));
+}
+
+PROTO_R_RETURN
+getprotobynumber_r(int proto, struct protoent *pptr, PROTO_R_ARGS) {
+ struct protoent *pe = getprotobynumber(proto);
+
+ if (pe == NULL)
+ return (PROTO_R_BAD);
+
+ return (copy_protoent(pe, pptr, PROTO_R_COPY));
+}
+
+/*
+ * These assume a single context is in operation per thread.
+ * If this is not the case we will need to call irs directly
+ * rather than through the base functions.
+ */
+
+PROTO_R_RETURN
+getprotoent_r(struct protoent *pptr, PROTO_R_ARGS) {
+ struct protoent *pe = getprotoent();
+
+ if (pe == NULL)
+ return (PROTO_R_BAD);
+
+ return (copy_protoent(pe, pptr, PROTO_R_COPY));
+}
+
+PROTO_R_SET_RETURN
+#ifdef PROTO_R_ENT_ARGS
+setprotoent_r(int stay_open, PROTO_R_ENT_ARGS)
+#else
+setprotoent_r(int stay_open)
+#endif
+{
+ setprotoent(stay_open);
+#ifdef PROTO_R_SET_RESULT
+ return (PROTO_R_SET_RESULT);
+#endif
+}
+
+PROTO_R_END_RETURN
+#ifdef PROTO_R_ENT_ARGS
+endprotoent_r(PROTO_R_ENT_ARGS)
+#else
+endprotoent_r()
+#endif
+{
+ endprotoent();
+ PROTO_R_END_RESULT(PROTO_R_OK);
+}
+
+/* Private */
+
+#ifndef PROTOENT_DATA
+static PROTO_R_RETURN
+copy_protoent(struct protoent *pe, struct protoent *pptr, PROTO_R_COPY_ARGS) {
+ char *cp;
+ int i, n;
+ int numptr, len;
+
+ /* Find out the amount of space required to store the answer. */
+ numptr = 1; /* NULL ptr */
+ len = (char *)ALIGN(buf) - buf;
+ for (i = 0; pe->p_aliases[i]; i++, numptr++) {
+ len += strlen(pe->p_aliases[i]) + 1;
+ }
+ len += strlen(pe->p_name) + 1;
+ len += numptr * sizeof(char*);
+
+ if (len > buflen) {
+ errno = ERANGE;
+ return (PROTO_R_BAD);
+ }
+
+ /* copy protocol value*/
+ pptr->p_proto = pe->p_proto;
+
+ cp = (char *)ALIGN(buf) + numptr * sizeof(char *);
+
+ /* copy official name */
+ n = strlen(pe->p_name) + 1;
+ strcpy(cp, pe->p_name);
+ pptr->p_name = cp;
+ cp += n;
+
+ /* copy aliases */
+ pptr->p_aliases = (char **)ALIGN(buf);
+ for (i = 0 ; pe->p_aliases[i]; i++) {
+ n = strlen(pe->p_aliases[i]) + 1;
+ strcpy(cp, pe->p_aliases[i]);
+ pptr->p_aliases[i] = cp;
+ cp += n;
+ }
+ pptr->p_aliases[i] = NULL;
+
+ return (PROTO_R_OK);
+}
+#else /* !PROTOENT_DATA */
+static int
+copy_protoent(struct protoent *pe, struct protoent *pptr, PROTO_R_COPY_ARGS) {
+ char *cp, *eob;
+ int i, n;
+
+ /* copy protocol value */
+ pptr->p_proto = pe->p_proto;
+
+ /* copy official name */
+ cp = pdptr->line;
+ eob = pdptr->line + sizeof(pdptr->line);
+ if ((n = strlen(pe->p_name) + 1) < (eob - cp)) {
+ strcpy(cp, pe->p_name);
+ pptr->p_name = cp;
+ cp += n;
+ } else {
+ return (-1);
+ }
+
+ /* copy aliases */
+ i = 0;
+ pptr->p_aliases = pdptr->proto_aliases;
+ while (pe->p_aliases[i] && i < (_MAXALIASES-1)) {
+ if ((n = strlen(pe->p_aliases[i]) + 1) < (eob - cp)) {
+ strcpy(cp, pe->p_aliases[i]);
+ pptr->p_aliases[i] = cp;
+ cp += n;
+ } else {
+ break;
+ }
+ i++;
+ }
+ pptr->p_aliases[i] = NULL;
+
+ return (PROTO_R_OK);
+}
+#endif /* PROTOENT_DATA */
+#else /* PROTO_R_RETURN */
+ static int getprotoent_r_unknown_systemm = 0;
+#endif /* PROTO_R_RETURN */
+#endif /* !defined(_REENTRANT) || !defined(DO_PTHREADS) */