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Diffstat (limited to 'resolv/res_debug.c')
-rw-r--r--resolv/res_debug.c54
1 files changed, 33 insertions, 21 deletions
diff --git a/resolv/res_debug.c b/resolv/res_debug.c
index 2df1c5b..f4e9169 100644
--- a/resolv/res_debug.c
+++ b/resolv/res_debug.c
@@ -1,7 +1,7 @@
/*
* Copyright (c) 1985
* The Regents of the University of California. All rights reserved.
- *
+ *
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
@@ -13,7 +13,7 @@
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
- *
+ *
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
@@ -29,14 +29,14 @@
/*
* Portions Copyright (c) 1993 by Digital Equipment Corporation.
- *
+ *
* 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, and that
* the name of Digital Equipment Corporation not be used in advertising or
* publicity pertaining to distribution of the document or software without
* specific, written prior permission.
- *
+ *
* THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
* WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
@@ -91,7 +91,7 @@
#if defined(LIBC_SCCS) && !defined(lint)
static const char sccsid[] = "@(#)res_debug.c 8.1 (Berkeley) 6/4/93";
-static const char rcsid[] = "$Id$";
+static const char rcsid[] = "$BINDId: res_debug.c,v 8.34 2000/02/29 05:30:55 vixie Exp $";
#endif /* LIBC_SCCS and not lint */
#include <sys/types.h>
@@ -141,7 +141,8 @@ do_section(const res_state statp,
int pflag, FILE *file)
{
int n, sflag, rrnum;
- char buf[2048]; /* XXX need to malloc */
+ static int buflen = 2048;
+ char *buf;
ns_opcode opcode;
ns_rr rr;
@@ -152,6 +153,12 @@ do_section(const res_state statp,
if (statp->pfcode && !sflag)
return;
+ buf = malloc(buflen);
+ if (buf == NULL) {
+ fprintf(file, ";; memory allocation failure\n");
+ return;
+ }
+
opcode = (ns_opcode) ns_msg_getflag(*handle, ns_f_opcode);
rrnum = 0;
for (;;) {
@@ -162,7 +169,7 @@ do_section(const res_state statp,
else if (rrnum > 0 && sflag != 0 &&
(statp->pfcode & RES_PRF_HEAD1))
putc('\n', file);
- return;
+ goto cleanup;
}
if (rrnum == 0 && sflag != 0 && (statp->pfcode & RES_PRF_HEAD1))
fprintf(file, ";; %s SECTION:\n",
@@ -174,17 +181,32 @@ do_section(const res_state statp,
p_class(ns_rr_class(rr)));
else {
n = ns_sprintrr(handle, &rr, NULL, NULL,
- buf, sizeof buf);
+ buf, buflen);
if (n < 0) {
+ if (errno == ENOSPC) {
+ free(buf);
+ buf = NULL;
+ if (buflen < 131072)
+ buf = malloc(buflen += 1024);
+ if (buf == NULL) {
+ fprintf(file,
+ ";; memory allocation failure\n");
+ return;
+ }
+ continue;
+ }
fprintf(file, ";; ns_sprintrr: %s\n",
strerror(errno));
- return;
+ goto cleanup;
}
fputs(buf, file);
fputc('\n', file);
}
rrnum++;
}
+ cleanup:
+ if (buf != NULL)
+ free(buf);
}
/*
@@ -465,13 +487,8 @@ const char *
sym_ntos(const struct res_sym *syms, int number, int *success) {
static char unname[20];
-#ifdef _LIBC
- /* Changed to prevent warning. --drepper@gnu */
- for (; syms->name != 0; syms++) {
-#else
for ((void)NULL; syms->name != 0; syms++) {
-#endif
- if (number == syms->number) {
+ if (number == syms->number) {
if (success)
*success = 1;
return (syms->name);
@@ -488,12 +505,7 @@ const char *
sym_ntop(const struct res_sym *syms, int number, int *success) {
static char unname[20];
-#ifdef _LIBC
- /* Changed to prevent warning. --drepper@gnu */
- for (; syms->name != 0; syms++) {
-#else
for ((void)NULL; syms->name != 0; syms++) {
-#endif
if (number == syms->number) {
if (success)
*success = 1;
@@ -1012,7 +1024,7 @@ p_secstodate (u_long secs) {
struct tm *time;
#ifdef HAVE_TIME_R
- struct time timebuf;
+ struct tm timebuf;
time = gmtime_r(&clock, &timebuf);
#else