Alien-cares
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libcares/ares_config.h.in
libcares/ares_create_query.3
libcares/ares_create_query.c
libcares/ares_data.c
libcares/ares_data.h
libcares/ares_destroy.3
libcares/ares_destroy.c
libcares/ares_destroy_options.3
libcares/ares_dns.h
libcares/ares_dup.3
libcares/ares_expand_name.3
libcares/ares_expand_name.c
libcares/ares_expand_string.3
libcares/ares_expand_string.c
libcares/ares_fds.3
libcares/ares_fds.c
libcares/ares_free_data.3
libcares/ares_free_hostent.3
libcares/ares_free_hostent.c
libcares/ares_free_string.3
libcares/ares_free_string.c
libcares/ares_freeaddrinfo.3
libcares/ares_freeaddrinfo.c
libcares/ares_get_servers.3
libcares/CHANGES.0 view on Meta::CPAN
o added install target to Makefile.msvc
o only fall back to AF_INET searches when looking for AF_UNSPEC addresses
o fixed ares_parse_*_reply memory leaks
o Use correct sizeof in ares_getnameinfo()
o IPv6-on-windows: find DNS servers correctly
o man pages: docs for the c-ares utility programs
o getservbyport replacement for Win CE
o config_sortlist: (win32) missing else
o advance_tcp_send_queue: avoid NULL ptr dereference
o configure: fix a bashism
o ares_expand_name: Fix encoded length for indirect root
Version 1.7.4 (December 9, 2010)
Changed:
o local-bind: Support binding to local interface/IPs, see
ares_set_local_ip4, ares_set_local_ip6, ares_set_local_dev
Fixed:
libcares/CHANGES.0 view on Meta::CPAN
* January 14 2009 (Daniel Stenberg)
- ares.h no longer uses the HAVE_STRUCT_IN6_ADDR define check, but instead it
now declares the private struct ares_in6_addr for all systems instead of
relying on one possibly not present in the system.
* January 13 2009 (Phil Blundell)
- ares__send_query() now varies the retry timeout pseudo-randomly to avoid
packet storms when several queries were started at the same time.
* January 11 2009 (Daniel Stenberg)
- Phil Blundell added the internal function ares__expand_name_for_response()
that is now used by the ares_parse_*_reply() functions instead of the
ares_expand_name() simply to easier return ARES_EBADRESP for the cases where
the name expansion fails as in responses that really isn't expected.
Version 1.6.0 (Dec 9, 2008)
* December 9 2008 (Gisle Vanem)
Fixes for Win32 targets using the Watt-32 tcp/ip stack.
* Dec 4 2008 (Daniel Stenberg)
libcares/CHANGES.0 view on Meta::CPAN
them for existing "struct ares_options" so that we can eventually deprecate
the two ares_*_options() functions.
ares_get_*() style functions for extracting info from a channel handle that
should be used instead of ares_save_options().
* Nov 26 2008 (Yang Tse)
- Brad Spencer provided changes to allow buildconf to work on OS X.
- Gerald Combs fixed a bug in ares_parse_ptr_reply() which would cause a
buffer to shrink instead of expand if a reply contained 8 or more records.
* Nov 25 2008 (Yang Tse)
- In preparation for the upcomming IPv6 nameservers patch, the internal
ares_addr union is now changed into an internal struct which also holds
the address family.
* Nov 19 2008 (Daniel Stenberg)
- Brad Spencer brought the new function ares_gethostbyname_file() which simply
resolves a host name from the given file, using the regular hosts syntax.
libcares/CHANGES.0 view on Meta::CPAN
- Improved parsing of resolver configuration files.
* April 4 2008 (Daniel Stenberg)
- Eino Tuominen improved the code when a file is used to seed the randomizer.
- Alexey Simak made adig support NAPTR records
- Alexey Simak fixed the VC dsp file by adding the missing source file
ares_expand_string.c
* December 11 2007 (Gisle Vanem)
- Added another sample application; acountry.c which converts an
IPv4-address(es) and/or host-name(s) to country-name and country-code.
This uses the service of the DNSBL at countries.nerd.dk.
* December 3 2007 (Daniel Stenberg)
- Brad Spencer fixed the configure script to assume that there's no
libcares/CHANGES.0 view on Meta::CPAN
Make UDP sockets non-blocking. I've confirmed that at least on Linux 2.4 a
read event can come back from poll() on a valid SOCK_DGRAM socket but
recv(2) will still block. This patch doesn't ignore EAGAIN in
read_udp_packets(), though maybe it should. (This patch was edited by Daniel
Stenberg and a new configure test was added (imported from curl's configure)
to properly detect what non-blocking socket approach to use.)
I'm not quite sure how this was happening, but I've been seeing PTR queries
which seem to return empty responses. At least, they were empty when calling
ares_expand_name() on the record. Here's a patch which guarantees to
NUL-terminate the expanded name. The old behavior failed to NUL-terminate if
len was 0, and this was causing strlen() to run past the end of the buffer
after calling ares_expand_name() and getting ARES_SUCCESS as the return
value. If q is not greater than *s then it's equal and *s is always
allocated with at least one byte.
* May 16
- Added ares_getnameinfo which mimics the getnameinfo API (another feature
that could use testing).
* May 14
libcares/CHANGES.0 view on Meta::CPAN
site.
* April 1, 2004
- Dirk Manske provided a new function that is now named ares_cancel(). It is
used to cancel/cleanup a resolve/request made using ares functions on the
given ares channel. It does not destroy/kill the ares channel itself.
- Dominick Meglio cleaned up the formatting in several man pages.
* March 30, 2004
- Dominick Meglio's new ares_expand_string. A helper function when decoding
incoming DNS packages.
- Daniel Stenberg modified the Makefile.in to use a for loop for the man page
installation to improve overview and make it easier to add man pages.
Version 1.1.0 (March 11, 2004)
* March 9, 2004
- Gisle Vanem improved build on Windows.
libcares/Makefile.in view on Meta::CPAN
am__installdirs = "$(DESTDIR)$(libdir)" "$(DESTDIR)$(man3dir)" \
"$(DESTDIR)$(pkgconfigdir)" "$(DESTDIR)$(libcares_ladir)"
LTLIBRARIES = $(lib_LTLIBRARIES)
libcares_la_LIBADD =
am__objects_1 = libcares_la-ares__close_sockets.lo \
libcares_la-ares__get_addrinfo.lo \
libcares_la-ares__get_hostent.lo \
libcares_la-ares__read_line.lo libcares_la-ares__timeval.lo \
libcares_la-ares_android.lo libcares_la-ares_cancel.lo \
libcares_la-ares_data.lo libcares_la-ares_destroy.lo \
libcares_la-ares_expand_name.lo \
libcares_la-ares_expand_string.lo libcares_la-ares_fds.lo \
libcares_la-ares_free_hostent.lo \
libcares_la-ares_free_string.lo \
libcares_la-ares_freeaddrinfo.lo \
libcares_la-ares_getaddrinfo.lo libcares_la-ares_getenv.lo \
libcares_la-ares_gethostbyaddr.lo \
libcares_la-ares_gethostbyname.lo \
libcares_la-ares_getnameinfo.lo libcares_la-ares_getsock.lo \
libcares_la-ares_init.lo libcares_la-ares_library_init.lo \
libcares_la-ares_llist.lo libcares_la-ares_mkquery.lo \
libcares_la-ares_create_query.lo libcares_la-ares_nowarn.lo \
libcares/Makefile.in view on Meta::CPAN
libcares_la_CPPFLAGS = $(AM_CPPFLAGS) $(libcares_la_CPPFLAGS_EXTRA)
CSOURCES = ares__close_sockets.c \
ares__get_addrinfo.c \
ares__get_hostent.c \
ares__read_line.c \
ares__timeval.c \
ares_android.c \
ares_cancel.c \
ares_data.c \
ares_destroy.c \
ares_expand_name.c \
ares_expand_string.c \
ares_fds.c \
ares_free_hostent.c \
ares_free_string.c \
ares_freeaddrinfo.c \
ares_getaddrinfo.c \
ares_getenv.c \
ares_gethostbyaddr.c \
ares_gethostbyname.c \
ares_getnameinfo.c \
ares_getsock.c \
libcares/Makefile.in view on Meta::CPAN
bitncmp.h \
nameser.h \
ares_setup.h \
setup_once.h
MANPAGES = ares_cancel.3 \
ares_create_query.3 \
ares_destroy.3 \
ares_destroy_options.3 \
ares_dup.3 \
ares_expand_name.3 \
ares_expand_string.3 \
ares_fds.3 \
ares_free_data.3 \
ares_free_hostent.3 \
ares_free_string.3 \
ares_get_servers.3 \
ares_get_servers_ports.3 \
ares_gethostbyaddr.3 \
ares_gethostbyname.3 \
ares_gethostbyname_file.3 \
ares_getnameinfo.3 \
libcares/Makefile.in view on Meta::CPAN
ares_set_sortlist.3 \
ares_strerror.3 \
ares_timeout.3 \
ares_version.3
HTMLPAGES = ares_cancel.html \
ares_create_query.html \
ares_destroy.html \
ares_destroy_options.html \
ares_dup.html \
ares_expand_name.html \
ares_expand_string.html \
ares_fds.html \
ares_free_data.html \
ares_free_hostent.html \
ares_free_string.html \
ares_get_servers.html \
ares_get_servers_ports.html \
ares_gethostbyaddr.html \
ares_gethostbyname.html \
ares_gethostbyname_file.html \
ares_getnameinfo.html \
libcares/Makefile.in view on Meta::CPAN
ares_set_sortlist.html \
ares_strerror.html \
ares_timeout.html \
ares_version.html
PDFPAGES = ares_cancel.pdf \
ares_create_query.pdf \
ares_destroy.pdf \
ares_destroy_options.pdf \
ares_dup.pdf \
ares_expand_name.pdf \
ares_expand_string.pdf \
ares_fds.pdf \
ares_free_data.pdf \
ares_free_hostent.pdf \
ares_free_string.pdf \
ares_get_servers.pdf \
ares_get_servers_ports.pdf \
ares_gethostbyaddr.pdf \
ares_gethostbyname.pdf \
ares_gethostbyname_file.pdf \
ares_getnameinfo.pdf \
libcares/Makefile.in view on Meta::CPAN
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@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/libcares_la-ares__get_addrinfo.Plo@am__quote@
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libcares/Makefile.in view on Meta::CPAN
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libcares_la-ares_free_hostent.lo: ares_free_hostent.c
@am__fastdepCC_TRUE@ $(AM_V_CC)$(LIBTOOL) $(AM_V_lt) --tag=CC $(AM_LIBTOOLFLAGS) $(LIBTOOLFLAGS) --mode=compile $(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(libcares_la_CPPFLAGS) $(CPPFLAGS) $(libcares_la_CFLAGS) $(CFLAGS) -MT libcares_la-ares_fre...
libcares/Makefile.inc view on Meta::CPAN
CSOURCES = ares__close_sockets.c \
ares__get_addrinfo.c \
ares__get_hostent.c \
ares__read_line.c \
ares__timeval.c \
ares_android.c \
ares_cancel.c \
ares_data.c \
ares_destroy.c \
ares_expand_name.c \
ares_expand_string.c \
ares_fds.c \
ares_free_hostent.c \
ares_free_string.c \
ares_freeaddrinfo.c \
ares_getaddrinfo.c \
ares_getenv.c \
ares_gethostbyaddr.c \
ares_gethostbyname.c \
ares_getnameinfo.c \
ares_getsock.c \
libcares/Makefile.inc view on Meta::CPAN
bitncmp.h \
nameser.h \
ares_setup.h \
setup_once.h
MANPAGES = ares_cancel.3 \
ares_create_query.3 \
ares_destroy.3 \
ares_destroy_options.3 \
ares_dup.3 \
ares_expand_name.3 \
ares_expand_string.3 \
ares_fds.3 \
ares_free_data.3 \
ares_free_hostent.3 \
ares_free_string.3 \
ares_get_servers.3 \
ares_get_servers_ports.3 \
ares_gethostbyaddr.3 \
ares_gethostbyname.3 \
ares_gethostbyname_file.3 \
ares_getnameinfo.3 \
libcares/Makefile.inc view on Meta::CPAN
ares_set_sortlist.3 \
ares_strerror.3 \
ares_timeout.3 \
ares_version.3
HTMLPAGES = ares_cancel.html \
ares_create_query.html \
ares_destroy.html \
ares_destroy_options.html \
ares_dup.html \
ares_expand_name.html \
ares_expand_string.html \
ares_fds.html \
ares_free_data.html \
ares_free_hostent.html \
ares_free_string.html \
ares_get_servers.html \
ares_get_servers_ports.html \
ares_gethostbyaddr.html \
ares_gethostbyname.html \
ares_gethostbyname_file.html \
ares_getnameinfo.html \
libcares/Makefile.inc view on Meta::CPAN
ares_set_sortlist.html \
ares_strerror.html \
ares_timeout.html \
ares_version.html
PDFPAGES = ares_cancel.pdf \
ares_create_query.pdf \
ares_destroy.pdf \
ares_destroy_options.pdf \
ares_dup.pdf \
ares_expand_name.pdf \
ares_expand_string.pdf \
ares_fds.pdf \
ares_free_data.pdf \
ares_free_hostent.pdf \
ares_free_string.pdf \
ares_get_servers.pdf \
ares_get_servers_ports.pdf \
ares_gethostbyaddr.pdf \
ares_gethostbyname.pdf \
ares_gethostbyname_file.pdf \
ares_getnameinfo.pdf \
libcares/NEWS view on Meta::CPAN
"class").
* Added SRV support to adig test program.
* Fixed a few error handling bugs in query processing.
Major changes in release 1.1.0:
* Added ares_free_string() function so that memory can be freed in the
same layer as it is allocated, a desirable feature in some
environments.
* A few of the ares_dns.h macros are fixed to use the proper bitwise
operator.
* Fixed a couple of fenceposts fixed in ares_expand_name()'s
bounds-checking.
* In process_timeouts(), extract query->next before calling
next_server() and possibly freeing the query structure.
* Casted arguments to ctype macros casted to unsigned char, since not
all char values are valid inputs to those macros according to ANSI.
libcares/aclocal.m4 view on Meta::CPAN
# So we could use something similar to $top_srcdir/$ac_aux_dir/missing,
# iff we strip the leading $srcdir from $ac_aux_dir. That would be:
# am_aux_dir='\$(top_srcdir)/'`expr "$ac_aux_dir" : "$srcdir//*\(.*\)"`
# and then we would define $MISSING as
# MISSING="\${SHELL} $am_aux_dir/missing"
# This will work as long as MISSING is not called from configure, because
# unfortunately $(top_srcdir) has no meaning in configure.
# However there are other variables, like CC, which are often used in
# configure, and could therefore not use this "fixed" $ac_aux_dir.
#
# Another solution, used here, is to always expand $ac_aux_dir to an
# absolute PATH. The drawback is that using absolute paths prevent a
# configured tree to be moved without reconfiguration.
AC_DEFUN([AM_AUX_DIR_EXPAND],
[AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
# Expand $ac_aux_dir to an absolute path.
am_aux_dir=`cd "$ac_aux_dir" && pwd`
])
# AM_CONDITIONAL -*- Autoconf -*-
libcares/aclocal.m4 view on Meta::CPAN
[AC_REQUIRE([AM_AUX_DIR_EXPAND])dnl
AC_REQUIRE_AUX_FILE([missing])dnl
if test x"${MISSING+set}" != xset; then
case $am_aux_dir in
*\ * | *\ *)
MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
*)
MISSING="\${SHELL} $am_aux_dir/missing" ;;
esac
fi
# Use eval to expand $SHELL
if eval "$MISSING --is-lightweight"; then
am_missing_run="$MISSING "
else
am_missing_run=
AC_MSG_WARN(['missing' script is too old or missing])
fi
])
# Helper functions for option handling. -*- Autoconf -*-
libcares/adig.c view on Meta::CPAN
static const unsigned char *display_question(const unsigned char *aptr,
const unsigned char *abuf,
int alen)
{
char *name;
int type, dnsclass, status;
long len;
/* Parse the question name. */
status = ares_expand_name(aptr, abuf, alen, &name, &len);
if (status != ARES_SUCCESS)
return NULL;
aptr += len;
/* Make sure there's enough data after the name for the fixed part
* of the question.
*/
if (aptr + QFIXEDSZ > abuf + alen)
{
ares_free_string(name);
libcares/adig.c view on Meta::CPAN
const unsigned char *p;
int type, dnsclass, ttl, dlen, status;
long len;
char addr[46];
union {
unsigned char * as_uchar;
char * as_char;
} name;
/* Parse the RR name. */
status = ares_expand_name(aptr, abuf, alen, &name.as_char, &len);
if (status != ARES_SUCCESS)
return NULL;
aptr += len;
/* Make sure there is enough data after the RR name for the fixed
* part of the RR.
*/
if (aptr + RRFIXEDSZ > abuf + alen)
{
ares_free_string(name.as_char);
libcares/adig.c view on Meta::CPAN
{
case T_CNAME:
case T_MB:
case T_MD:
case T_MF:
case T_MG:
case T_MR:
case T_NS:
case T_PTR:
/* For these types, the RR data is just a domain name. */
status = ares_expand_name(aptr, abuf, alen, &name.as_char, &len);
if (status != ARES_SUCCESS)
return NULL;
printf("\t%s.", name.as_char);
ares_free_string(name.as_char);
break;
case T_HINFO:
/* The RR data is two length-counted character strings. */
p = aptr;
len = *p;
if (p + len + 1 > aptr + dlen)
return NULL;
status = ares_expand_string(p, abuf, alen, &name.as_uchar, &len);
if (status != ARES_SUCCESS)
return NULL;
printf("\t%s", name.as_char);
ares_free_string(name.as_char);
p += len;
len = *p;
if (p + len + 1 > aptr + dlen)
return NULL;
status = ares_expand_string(p, abuf, alen, &name.as_uchar, &len);
if (status != ARES_SUCCESS)
return NULL;
printf("\t%s", name.as_char);
ares_free_string(name.as_char);
break;
case T_MINFO:
/* The RR data is two domain names. */
p = aptr;
status = ares_expand_name(p, abuf, alen, &name.as_char, &len);
if (status != ARES_SUCCESS)
return NULL;
printf("\t%s.", name.as_char);
ares_free_string(name.as_char);
p += len;
status = ares_expand_name(p, abuf, alen, &name.as_char, &len);
if (status != ARES_SUCCESS)
return NULL;
printf("\t%s.", name.as_char);
ares_free_string(name.as_char);
break;
case T_MX:
/* The RR data is two bytes giving a preference ordering, and
* then a domain name.
*/
if (dlen < 2)
return NULL;
printf("\t%d", (int)DNS__16BIT(aptr));
status = ares_expand_name(aptr + 2, abuf, alen, &name.as_char, &len);
if (status != ARES_SUCCESS)
return NULL;
printf("\t%s.", name.as_char);
ares_free_string(name.as_char);
break;
case T_SOA:
/* The RR data is two domain names and then five four-byte
* numbers giving the serial number and some timeouts.
*/
p = aptr;
status = ares_expand_name(p, abuf, alen, &name.as_char, &len);
if (status != ARES_SUCCESS)
return NULL;
printf("\t%s.\n", name.as_char);
ares_free_string(name.as_char);
p += len;
status = ares_expand_name(p, abuf, alen, &name.as_char, &len);
if (status != ARES_SUCCESS)
return NULL;
printf("\t\t\t\t\t\t%s.\n", name.as_char);
ares_free_string(name.as_char);
p += len;
if (p + 20 > aptr + dlen)
return NULL;
printf("\t\t\t\t\t\t( %u %u %u %u %u )",
DNS__32BIT(p), DNS__32BIT(p+4),
DNS__32BIT(p+8), DNS__32BIT(p+12),
libcares/adig.c view on Meta::CPAN
case T_TXT:
/* The RR data is one or more length-counted character
* strings. */
p = aptr;
while (p < aptr + dlen)
{
len = *p;
if (p + len + 1 > aptr + dlen)
return NULL;
status = ares_expand_string(p, abuf, alen, &name.as_uchar, &len);
if (status != ARES_SUCCESS)
return NULL;
printf("\t%s", name.as_char);
ares_free_string(name.as_char);
p += len;
}
break;
case T_A:
/* The RR data is a four-byte Internet address. */
libcares/adig.c view on Meta::CPAN
case T_SRV:
/* The RR data is three two-byte numbers representing the
* priority, weight, and port, followed by a domain name.
*/
printf("\t%d", (int)DNS__16BIT(aptr));
printf(" %d", (int)DNS__16BIT(aptr + 2));
printf(" %d", (int)DNS__16BIT(aptr + 4));
status = ares_expand_name(aptr + 6, abuf, alen, &name.as_char, &len);
if (status != ARES_SUCCESS)
return NULL;
printf("\t%s.", name.as_char);
ares_free_string(name.as_char);
break;
case T_NAPTR:
printf("\t%d", (int)DNS__16BIT(aptr)); /* order */
printf(" %d\n", (int)DNS__16BIT(aptr + 2)); /* preference */
p = aptr + 4;
status = ares_expand_string(p, abuf, alen, &name.as_uchar, &len);
if (status != ARES_SUCCESS)
return NULL;
printf("\t\t\t\t\t\t%s\n", name.as_char);
ares_free_string(name.as_char);
p += len;
status = ares_expand_string(p, abuf, alen, &name.as_uchar, &len);
if (status != ARES_SUCCESS)
return NULL;
printf("\t\t\t\t\t\t%s\n", name.as_char);
ares_free_string(name.as_char);
p += len;
status = ares_expand_string(p, abuf, alen, &name.as_uchar, &len);
if (status != ARES_SUCCESS)
return NULL;
printf("\t\t\t\t\t\t%s\n", name.as_char);
ares_free_string(name.as_char);
p += len;
status = ares_expand_name(p, abuf, alen, &name.as_char, &len);
if (status != ARES_SUCCESS)
return NULL;
printf("\t\t\t\t\t\t%s", name.as_char);
ares_free_string(name.as_char);
break;
case T_DS:
case T_SSHFP:
case T_RRSIG:
case T_NSEC:
libcares/ares.h view on Meta::CPAN
int max_udp_size);
CARES_EXTERN int ares_mkquery(const char *name,
int dnsclass,
int type,
unsigned short id,
int rd,
unsigned char **buf,
int *buflen);
CARES_EXTERN int ares_expand_name(const unsigned char *encoded,
const unsigned char *abuf,
int alen,
char **s,
long *enclen);
CARES_EXTERN int ares_expand_string(const unsigned char *encoded,
const unsigned char *abuf,
int alen,
unsigned char **s,
long *enclen);
/*
* NOTE: before c-ares 1.7.0 we would most often use the system in6_addr
* struct below when ares itself was built, but many apps would use this
* private version since the header checked a HAVE_* define for it. Starting
* with 1.7.0 we always declare and use our own to stop relying on the
libcares/ares_create_query.3 view on Meta::CPAN
.I name
could not be encoded as a domain name, either because it contained a
zero-length label or because it contained a label of more than 63
characters.
.TP 15
.B ARES_ENOMEM
Memory was exhausted.
.SH AVAILABILITY
Added in c-ares 1.10.0
.SH SEE ALSO
.BR ares_expand_name (3),
.BR ares_free_string (3),
.BR ares_mkquery (3)
.SH AUTHOR
libcares/ares_expand_name.3 view on Meta::CPAN
.\" notice and this permission notice appear in supporting
.\" documentation, and that the name of M.I.T. not be used in
.\" advertising or publicity pertaining to distribution of the
.\" software without specific, written prior permission.
.\" M.I.T. makes no representations about the suitability of
.\" this software for any purpose. It is provided "as is"
.\" without express or implied warranty.
.\"
.TH ARES_EXPAND_NAME 3 "20 Nov 2009"
.SH NAME
ares_expand_name \- Expand a DNS-encoded domain name
.SH SYNOPSIS
.nf
.B #include <ares.h>
.PP
.B int ares_expand_name(const unsigned char *\fIencoded\fP,
.B const unsigned char *\fIabuf\fP, int \fIalen\fP, char **\fIs\fP,
.B long *\fIenclen\fP)
.fi
.SH DESCRIPTION
The
.B ares_expand_name
function converts a DNS-encoded domain name to a dot-separated C
string. The argument
.I encoded
gives the beginning of the encoded domain name, and the arguments
.I abuf
and
.I alen
give the containing message buffer (necessary for the processing of
indirection pointers within the encoded domain name). The result is
placed in a NUL-terminated allocated buffer, a pointer to which is
stored in the variable pointed to by
.IR s .
The length of the encoded name is stored in the variable pointed to by
.I enclen
so that the caller can advance past the encoded domain name to read
further data in the message.
Use \fIares_free_string(3)\fP to free the allocated hostname.
.SH RETURN VALUES
.B ares_expand_name
can return any of the following values:
.TP 15
.B ARES_SUCCESS
Expansion of the encoded name succeeded.
.TP 15
.B ARES_EBADNAME
The encoded domain name was malformed and could not be expanded.
.TP 15
.B ARES_ENOMEM
Memory was exhausted.
.SH SEE ALSO
.BR ares_mkquery (3), ares_free_string (3)
.SH AUTHOR
Greg Hudson, MIT Information Systems
.br
Copyright 1998 by the Massachusetts Institute of Technology.
libcares/ares_expand_name.c view on Meta::CPAN
/* Maximum number of indirections allowed for a name */
#define MAX_INDIRS 50
static int name_length(const unsigned char *encoded, const unsigned char *abuf,
int alen);
/* Expand an RFC1035-encoded domain name given by encoded. The
* containing message is given by abuf and alen. The result given by
* *s, which is set to a NUL-terminated allocated buffer. *enclen is
* set to the length of the encoded name (not the length of the
* expanded name; the goal is to tell the caller how many bytes to
* move forward to get past the encoded name).
*
* In the simple case, an encoded name is a series of labels, each
* composed of a one-byte length (limited to values between 0 and 63
* inclusive) followed by the label contents. The name is terminated
* by a zero-length label.
*
* In the more complicated case, a label may be terminated by an
* indirection pointer, specified by two bytes with the high bits of
* the first byte (corresponding to INDIR_MASK) set to 11. With the
* two high bits of the first byte stripped off, the indirection
* pointer gives an offset from the beginning of the containing
* message with more labels to decode. Indirection can happen an
* arbitrary number of times, so we have to detect loops.
*
* Since the expanded name uses '.' as a label separator, we use
* backslashes to escape periods or backslashes in the expanded name.
*/
int ares_expand_name(const unsigned char *encoded, const unsigned char *abuf,
int alen, char **s, long *enclen)
{
int len, indir = 0;
char *q;
const unsigned char *p;
union {
ares_ssize_t sig;
size_t uns;
} nlen;
libcares/ares_expand_name.c view on Meta::CPAN
return -1;
}
}
/* If there were any labels at all, then the number of dots is one
* less than the number of labels, so subtract one.
*/
return (n) ? n - 1 : n;
}
/* Like ares_expand_name but returns EBADRESP in case of invalid input. */
int ares__expand_name_for_response(const unsigned char *encoded,
const unsigned char *abuf, int alen,
char **s, long *enclen)
{
int status = ares_expand_name(encoded, abuf, alen, s, enclen);
if (status == ARES_EBADNAME)
status = ARES_EBADRESP;
return status;
}
libcares/ares_expand_string.3 view on Meta::CPAN
.\" notice and this permission notice appear in supporting
.\" documentation, and that the name of M.I.T. not be used in
.\" advertising or publicity pertaining to distribution of the
.\" software without specific, written prior permission.
.\" M.I.T. makes no representations about the suitability of
.\" this software for any purpose. It is provided "as is"
.\" without express or implied warranty.
.\"
.TH ARES_EXPAND_NAME 3 "20 Nov 2009"
.SH NAME
ares_expand_string \- Expand a length encoded string
.SH SYNOPSIS
.nf
.B #include <ares.h>
.PP
.B int ares_expand_string(const unsigned char *\fIencoded\fP,
.B const unsigned char *\fIabuf\fP, int \fIalen\fP, unsigned char **\fIs\fP,
.B long *\fIenclen\fP)
.fi
.SH DESCRIPTION
The
.B ares_expand_string
function converts a length encoded string to a NUL-terminated C
string. The argument
.I encoded
gives the beginning of the encoded string, and the arguments
.I abuf
and
.I alen
give the containing message buffer (necessary for the processing of
indirection pointers within the encoded domain name). The result is
placed in a NUL-terminated allocated buffer, a pointer to which is
stored in the variable pointed to by
.IR s .
The length of the encoded string is stored in the variable pointed to by
.I enclen
so that the caller can advance past the encoded string to read
further data in the message.
.SH RETURN VALUES
.B ares_expand_string
can return any of the following values:
.TP 15
.B ARES_SUCCESS
Expansion of the encoded string succeeded.
.TP 15
.B ARES_EBADSTR
The encoded string was malformed and could not be expanded.
.TP 15
.B ARES_ENOMEM
Memory was exhausted.
.SH SEE ALSO
.BR ares_free_string (3)
.SH AUTHOR
Dominick Meglio
libcares/ares_expand_string.c view on Meta::CPAN
#endif
#include "ares.h"
#include "ares_private.h" /* for the memdebug */
/* Simply decodes a length-encoded character string. The first byte of the
* input is the length of the string to be returned and the bytes thereafter
* are the characters of the string. The returned result will be NULL
* terminated.
*/
int ares_expand_string(const unsigned char *encoded,
const unsigned char *abuf,
int alen,
unsigned char **s,
long *enclen)
{
unsigned char *q;
union {
ares_ssize_t sig;
size_t uns;
} elen;
libcares/ares_free_string.3 view on Meta::CPAN
.nf
.B #include <ares.h>
.PP
.B void ares_free_string(void *\fIstr\fP)
.fi
.SH DESCRIPTION
The \fIares_free_string(3)\fP function frees a string allocated by an ares
function.
.SH SEE ALSO
.BR ares_mkquery (3)
.BR ares_expand_string (3)
.SH AUTHOR
Greg Hudson, MIT Information Systems
.br
Copyright 2000 by the Massachusetts Institute of Technology.
libcares/ares_mkquery.3 view on Meta::CPAN
.B ARES_EBADNAME
The query name
.I name
could not be encoded as a domain name, either because it contained a
zero-length label or because it contained a label of more than 63
characters.
.TP 15
.B ARES_ENOMEM
Memory was exhausted.
.SH SEE ALSO
.BR ares_expand_name (3),
.BR ares_free_string (3)
.SH AUTHOR
Greg Hudson, MIT Information Systems
.br
Copyright 1998, 2000 by the Massachusetts Institute of Technology.
libcares/ares_parse_a_reply.c view on Meta::CPAN
return ARES_EBADRESP;
/* Fetch the question and answer count from the header. */
qdcount = DNS_HEADER_QDCOUNT(abuf);
ancount = DNS_HEADER_ANCOUNT(abuf);
if (qdcount != 1)
return ARES_EBADRESP;
/* Expand the name from the question, and skip past the question. */
aptr = abuf + HFIXEDSZ;
status = ares__expand_name_for_response(aptr, abuf, alen, &hostname, &len);
if (status != ARES_SUCCESS)
return status;
if (aptr + len + QFIXEDSZ > abuf + alen)
{
ares_free(hostname);
return ARES_EBADRESP;
}
aptr += len + QFIXEDSZ;
if (host)
libcares/ares_parse_a_reply.c view on Meta::CPAN
aliases = NULL;
}
naddrs = 0;
naliases = 0;
/* Examine each answer resource record (RR) in turn. */
for (i = 0; i < (int)ancount; i++)
{
/* Decode the RR up to the data field. */
status = ares__expand_name_for_response(aptr, abuf, alen, &rr_name, &len);
if (status != ARES_SUCCESS)
break;
aptr += len;
if (aptr + RRFIXEDSZ > abuf + alen)
{
ares_free(rr_name);
status = ARES_EBADRESP;
break;
}
rr_type = DNS_RR_TYPE(aptr);
libcares/ares_parse_a_reply.c view on Meta::CPAN
if (rr_class == C_IN && rr_type == T_CNAME)
{
/* Record the RR name as an alias. */
if (aliases)
aliases[naliases] = rr_name;
else
ares_free(rr_name);
naliases++;
/* Decode the RR data and replace the hostname with it. */
status = ares__expand_name_for_response(aptr, abuf, alen, &rr_data,
&len);
if (status != ARES_SUCCESS)
break;
ares_free(hostname);
hostname = rr_data;
/* Take the min of the TTLs we see in the CNAME chain. */
if (cname_ttl > rr_ttl)
cname_ttl = rr_ttl;
}
libcares/ares_parse_aaaa_reply.c view on Meta::CPAN
return ARES_EBADRESP;
/* Fetch the question and answer count from the header. */
qdcount = DNS_HEADER_QDCOUNT(abuf);
ancount = DNS_HEADER_ANCOUNT(abuf);
if (qdcount != 1)
return ARES_EBADRESP;
/* Expand the name from the question, and skip past the question. */
aptr = abuf + HFIXEDSZ;
status = ares__expand_name_for_response(aptr, abuf, alen, &hostname, &len);
if (status != ARES_SUCCESS)
return status;
if (aptr + len + QFIXEDSZ > abuf + alen)
{
ares_free(hostname);
return ARES_EBADRESP;
}
aptr += len + QFIXEDSZ;
/* Allocate addresses and aliases; ancount gives an upper bound for both. */
libcares/ares_parse_aaaa_reply.c view on Meta::CPAN
addrs = NULL;
aliases = NULL;
}
naddrs = 0;
naliases = 0;
/* Examine each answer resource record (RR) in turn. */
for (i = 0; i < (int)ancount; i++)
{
/* Decode the RR up to the data field. */
status = ares__expand_name_for_response(aptr, abuf, alen, &rr_name, &len);
if (status != ARES_SUCCESS)
break;
aptr += len;
if (aptr + RRFIXEDSZ > abuf + alen)
{
ares_free(rr_name);
status = ARES_EBADRESP;
break;
}
rr_type = DNS_RR_TYPE(aptr);
libcares/ares_parse_aaaa_reply.c view on Meta::CPAN
if (rr_class == C_IN && rr_type == T_CNAME)
{
/* Record the RR name as an alias. */
if (aliases)
aliases[naliases] = rr_name;
else
ares_free(rr_name);
naliases++;
/* Decode the RR data and replace the hostname with it. */
status = ares__expand_name_for_response(aptr, abuf, alen, &rr_data,
&len);
if (status != ARES_SUCCESS)
break;
ares_free(hostname);
hostname = rr_data;
/* Take the min of the TTLs we see in the CNAME chain. */
if (cname_ttl > rr_ttl)
cname_ttl = rr_ttl;
}
libcares/ares_parse_mx_reply.c view on Meta::CPAN
/* Fetch the question and answer count from the header. */
qdcount = DNS_HEADER_QDCOUNT (abuf);
ancount = DNS_HEADER_ANCOUNT (abuf);
if (qdcount != 1)
return ARES_EBADRESP;
if (ancount == 0)
return ARES_ENODATA;
/* Expand the name from the question, and skip past the question. */
aptr = abuf + HFIXEDSZ;
status = ares_expand_name (aptr, abuf, alen, &hostname, &len);
if (status != ARES_SUCCESS)
return status;
if (aptr + len + QFIXEDSZ > abuf + alen)
{
ares_free (hostname);
return ARES_EBADRESP;
}
aptr += len + QFIXEDSZ;
/* Examine each answer resource record (RR) in turn. */
for (i = 0; i < ancount; i++)
{
/* Decode the RR up to the data field. */
status = ares_expand_name (aptr, abuf, alen, &rr_name, &len);
if (status != ARES_SUCCESS)
{
break;
}
aptr += len;
if (aptr + RRFIXEDSZ > abuf + alen)
{
status = ARES_EBADRESP;
break;
}
libcares/ares_parse_mx_reply.c view on Meta::CPAN
else
{
mx_head = mx_curr;
}
mx_last = mx_curr;
vptr = aptr;
mx_curr->priority = DNS__16BIT(vptr);
vptr += sizeof(unsigned short);
status = ares_expand_name (vptr, abuf, alen, &mx_curr->host, &len);
if (status != ARES_SUCCESS)
break;
}
/* Don't lose memory in the next iteration */
ares_free (rr_name);
rr_name = NULL;
/* Move on to the next record */
aptr += rr_len;
libcares/ares_parse_naptr_reply.c view on Meta::CPAN
/* Fetch the question and answer count from the header. */
qdcount = DNS_HEADER_QDCOUNT (abuf);
ancount = DNS_HEADER_ANCOUNT (abuf);
if (qdcount != 1)
return ARES_EBADRESP;
if (ancount == 0)
return ARES_ENODATA;
/* Expand the name from the question, and skip past the question. */
aptr = abuf + HFIXEDSZ;
status = ares_expand_name (aptr, abuf, alen, &hostname, &len);
if (status != ARES_SUCCESS)
return status;
if (aptr + len + QFIXEDSZ > abuf + alen)
{
ares_free (hostname);
return ARES_EBADRESP;
}
aptr += len + QFIXEDSZ;
/* Examine each answer resource record (RR) in turn. */
for (i = 0; i < ancount; i++)
{
/* Decode the RR up to the data field. */
status = ares_expand_name (aptr, abuf, alen, &rr_name, &len);
if (status != ARES_SUCCESS)
{
break;
}
aptr += len;
if (aptr + RRFIXEDSZ > abuf + alen)
{
status = ARES_EBADRESP;
break;
}
libcares/ares_parse_naptr_reply.c view on Meta::CPAN
naptr_head = naptr_curr;
}
naptr_last = naptr_curr;
vptr = aptr;
naptr_curr->order = DNS__16BIT(vptr);
vptr += sizeof(unsigned short);
naptr_curr->preference = DNS__16BIT(vptr);
vptr += sizeof(unsigned short);
status = ares_expand_string(vptr, abuf, alen, &naptr_curr->flags, &len);
if (status != ARES_SUCCESS)
break;
vptr += len;
status = ares_expand_string(vptr, abuf, alen, &naptr_curr->service, &len);
if (status != ARES_SUCCESS)
break;
vptr += len;
status = ares_expand_string(vptr, abuf, alen, &naptr_curr->regexp, &len);
if (status != ARES_SUCCESS)
break;
vptr += len;
status = ares_expand_name(vptr, abuf, alen, &naptr_curr->replacement, &len);
if (status != ARES_SUCCESS)
break;
}
/* Don't lose memory in the next iteration */
ares_free (rr_name);
rr_name = NULL;
/* Move on to the next record */
aptr += rr_len;
libcares/ares_parse_ns_reply.c view on Meta::CPAN
return ARES_EBADRESP;
/* Fetch the question and answer count from the header. */
qdcount = DNS_HEADER_QDCOUNT( abuf );
ancount = DNS_HEADER_ANCOUNT( abuf );
if ( qdcount != 1 )
return ARES_EBADRESP;
/* Expand the name from the question, and skip past the question. */
aptr = abuf + HFIXEDSZ;
status = ares__expand_name_for_response( aptr, abuf, alen, &hostname, &len);
if ( status != ARES_SUCCESS )
return status;
if ( aptr + len + QFIXEDSZ > abuf + alen )
{
ares_free( hostname );
return ARES_EBADRESP;
}
aptr += len + QFIXEDSZ;
/* Allocate nameservers array; ancount gives an upper bound */
libcares/ares_parse_ns_reply.c view on Meta::CPAN
{
ares_free( hostname );
return ARES_ENOMEM;
}
nameservers_num = 0;
/* Examine each answer resource record (RR) in turn. */
for ( i = 0; i < ( int ) ancount; i++ )
{
/* Decode the RR up to the data field. */
status = ares__expand_name_for_response( aptr, abuf, alen, &rr_name, &len );
if ( status != ARES_SUCCESS )
break;
aptr += len;
if ( aptr + RRFIXEDSZ > abuf + alen )
{
status = ARES_EBADRESP;
ares_free(rr_name);
break;
}
rr_type = DNS_RR_TYPE( aptr );
libcares/ares_parse_ns_reply.c view on Meta::CPAN
if (aptr + rr_len > abuf + alen)
{
ares_free(rr_name);
status = ARES_EBADRESP;
break;
}
if ( rr_class == C_IN && rr_type == T_NS )
{
/* Decode the RR data and add it to the nameservers list */
status = ares__expand_name_for_response( aptr, abuf, alen, &rr_data,
&len);
if ( status != ARES_SUCCESS )
{
ares_free(rr_name);
break;
}
nameservers[nameservers_num] = ares_malloc(strlen(rr_data)+1);
if (nameservers[nameservers_num]==NULL)
libcares/ares_parse_ptr_reply.c view on Meta::CPAN
return ARES_EBADRESP;
/* Fetch the question and answer count from the header. */
qdcount = DNS_HEADER_QDCOUNT(abuf);
ancount = DNS_HEADER_ANCOUNT(abuf);
if (qdcount != 1)
return ARES_EBADRESP;
/* Expand the name from the question, and skip past the question. */
aptr = abuf + HFIXEDSZ;
status = ares__expand_name_for_response(aptr, abuf, alen, &ptrname, &len);
if (status != ARES_SUCCESS)
return status;
if (aptr + len + QFIXEDSZ > abuf + alen)
{
ares_free(ptrname);
return ARES_EBADRESP;
}
aptr += len + QFIXEDSZ;
/* Examine each answer resource record (RR) in turn. */
hostname = NULL;
aliases = ares_malloc(alias_alloc * sizeof(char *));
if (!aliases)
{
ares_free(ptrname);
return ARES_ENOMEM;
}
for (i = 0; i < (int)ancount; i++)
{
/* Decode the RR up to the data field. */
status = ares__expand_name_for_response(aptr, abuf, alen, &rr_name, &len);
if (status != ARES_SUCCESS)
break;
aptr += len;
if (aptr + RRFIXEDSZ > abuf + alen)
{
ares_free(rr_name);
status = ARES_EBADRESP;
break;
}
rr_type = DNS_RR_TYPE(aptr);
libcares/ares_parse_ptr_reply.c view on Meta::CPAN
{
ares_free(rr_name);
status = ARES_EBADRESP;
break;
}
if (rr_class == C_IN && rr_type == T_PTR
&& strcasecmp(rr_name, ptrname) == 0)
{
/* Decode the RR data and set hostname to it. */
status = ares__expand_name_for_response(aptr, abuf, alen, &rr_data,
&len);
if (status != ARES_SUCCESS)
{
ares_free(rr_name);
break;
}
if (hostname)
ares_free(hostname);
hostname = rr_data;
rr_data_len = strlen(rr_data)+1;
libcares/ares_parse_ptr_reply.c view on Meta::CPAN
status = ARES_ENOMEM;
break;
}
aliases = ptr;
}
}
if (rr_class == C_IN && rr_type == T_CNAME)
{
/* Decode the RR data and replace ptrname with it. */
status = ares__expand_name_for_response(aptr, abuf, alen, &rr_data,
&len);
if (status != ARES_SUCCESS)
{
ares_free(rr_name);
break;
}
ares_free(ptrname);
ptrname = rr_data;
}
libcares/ares_parse_soa_reply.c view on Meta::CPAN
return ARES_EBADRESP;
/* parse message header */
qdcount = DNS_HEADER_QDCOUNT(abuf);
ancount = DNS_HEADER_ANCOUNT(abuf);
if (qdcount != 1 || ancount != 1)
return ARES_EBADRESP;
aptr = abuf + HFIXEDSZ;
/* query name */
status = ares__expand_name_for_response(aptr, abuf, alen, &qname, &len);
if (status != ARES_SUCCESS)
goto failed_stat;
aptr += len;
/* skip qtype & qclass */
if (aptr + QFIXEDSZ > abuf + alen)
goto failed;
aptr += QFIXEDSZ;
/* rr_name */
status = ares__expand_name_for_response(aptr, abuf, alen, &rr_name, &len);
if (status != ARES_SUCCESS)
goto failed_stat;
aptr += len;
/* skip rr_type, rr_class, rr_ttl, rr_rdlen */
if (aptr + RRFIXEDSZ > abuf + alen)
goto failed;
aptr += RRFIXEDSZ;
/* allocate result struct */
soa = ares_malloc_data(ARES_DATATYPE_SOA_REPLY);
if (!soa)
{
status = ARES_ENOMEM;
goto failed_stat;
}
/* nsname */
status = ares__expand_name_for_response(aptr, abuf, alen, &soa->nsname, &len);
if (status != ARES_SUCCESS)
goto failed_stat;
aptr += len;
/* hostmaster */
status = ares__expand_name_for_response(aptr, abuf, alen, &soa->hostmaster, &len);
if (status != ARES_SUCCESS)
goto failed_stat;
aptr += len;
/* integer fields */
if (aptr + 5 * 4 > abuf + alen)
goto failed;
soa->serial = DNS__32BIT(aptr + 0 * 4);
soa->refresh = DNS__32BIT(aptr + 1 * 4);
soa->retry = DNS__32BIT(aptr + 2 * 4);
libcares/ares_parse_srv_reply.c view on Meta::CPAN
/* Fetch the question and answer count from the header. */
qdcount = DNS_HEADER_QDCOUNT (abuf);
ancount = DNS_HEADER_ANCOUNT (abuf);
if (qdcount != 1)
return ARES_EBADRESP;
if (ancount == 0)
return ARES_ENODATA;
/* Expand the name from the question, and skip past the question. */
aptr = abuf + HFIXEDSZ;
status = ares_expand_name (aptr, abuf, alen, &hostname, &len);
if (status != ARES_SUCCESS)
return status;
if (aptr + len + QFIXEDSZ > abuf + alen)
{
ares_free (hostname);
return ARES_EBADRESP;
}
aptr += len + QFIXEDSZ;
/* Examine each answer resource record (RR) in turn. */
for (i = 0; i < ancount; i++)
{
/* Decode the RR up to the data field. */
status = ares_expand_name (aptr, abuf, alen, &rr_name, &len);
if (status != ARES_SUCCESS)
{
break;
}
aptr += len;
if (aptr + RRFIXEDSZ > abuf + alen)
{
status = ARES_EBADRESP;
break;
}
libcares/ares_parse_srv_reply.c view on Meta::CPAN
srv_last = srv_curr;
vptr = aptr;
srv_curr->priority = DNS__16BIT(vptr);
vptr += sizeof(unsigned short);
srv_curr->weight = DNS__16BIT(vptr);
vptr += sizeof(unsigned short);
srv_curr->port = DNS__16BIT(vptr);
vptr += sizeof(unsigned short);
status = ares_expand_name (vptr, abuf, alen, &srv_curr->host, &len);
if (status != ARES_SUCCESS)
break;
}
/* Don't lose memory in the next iteration */
ares_free (rr_name);
rr_name = NULL;
/* Move on to the next record */
aptr += rr_len;
libcares/ares_parse_txt_reply.c view on Meta::CPAN
/* Fetch the question and answer count from the header. */
qdcount = DNS_HEADER_QDCOUNT (abuf);
ancount = DNS_HEADER_ANCOUNT (abuf);
if (qdcount != 1)
return ARES_EBADRESP;
if (ancount == 0)
return ARES_ENODATA;
/* Expand the name from the question, and skip past the question. */
aptr = abuf + HFIXEDSZ;
status = ares_expand_name (aptr, abuf, alen, &hostname, &len);
if (status != ARES_SUCCESS)
return status;
if (aptr + len + QFIXEDSZ > abuf + alen)
{
ares_free (hostname);
return ARES_EBADRESP;
}
aptr += len + QFIXEDSZ;
/* Examine each answer resource record (RR) in turn. */
for (i = 0; i < ancount; i++)
{
/* Decode the RR up to the data field. */
status = ares_expand_name (aptr, abuf, alen, &rr_name, &len);
if (status != ARES_SUCCESS)
{
break;
}
aptr += len;
if (aptr + RRFIXEDSZ > abuf + alen)
{
status = ARES_EBADRESP;
break;
}
libcares/ares_private.h view on Meta::CPAN
struct timeval *check);
void ares__send_query(ares_channel channel, struct query *query,
struct timeval *now);
void ares__close_sockets(ares_channel channel, struct server_state *server);
int ares__get_hostent(FILE *fp, int family, struct hostent **host);
int ares__read_line(FILE *fp, char **buf, size_t *bufsize);
void ares__free_query(struct query *query);
unsigned short ares__generate_new_id(rc4_key* key);
struct timeval ares__tvnow(void);
int ares__expand_name_for_response(const unsigned char *encoded,
const unsigned char *abuf, int alen,
char **s, long *enclen);
void ares__init_servers_state(ares_channel channel);
void ares__destroy_servers_state(ares_channel channel);
struct ares_addrinfo *ares__malloc_addrinfo(void);
struct ares_addrinfo *ares__append_addrinfo(struct ares_addrinfo *ai,
struct ares_addrinfo **head_ai);
int ares__get_addrinfo(FILE *fp,
const char *name,
unsigned short port,
libcares/ares_process.c view on Meta::CPAN
q.qdcount = DNS_HEADER_QDCOUNT(qbuf);
a.qdcount = DNS_HEADER_QDCOUNT(abuf);
if (q.qdcount != a.qdcount)
return 0;
/* For each question in qbuf, find it in abuf. */
q.p = qbuf + HFIXEDSZ;
for (i = 0; i < q.qdcount; i++)
{
/* Decode the question in the query. */
if (ares_expand_name(q.p, qbuf, qlen, &q.name, &q.namelen)
!= ARES_SUCCESS)
return 0;
q.p += q.namelen;
if (q.p + QFIXEDSZ > qbuf + qlen)
{
ares_free(q.name);
return 0;
}
q.type = DNS_QUESTION_TYPE(q.p);
q.dnsclass = DNS_QUESTION_CLASS(q.p);
q.p += QFIXEDSZ;
/* Search for this question in the answer. */
a.p = abuf + HFIXEDSZ;
for (j = 0; j < a.qdcount; j++)
{
/* Decode the question in the answer. */
if (ares_expand_name(a.p, abuf, alen, &a.name, &a.namelen)
!= ARES_SUCCESS)
{
ares_free(q.name);
return 0;
}
a.p += a.namelen;
if (a.p + QFIXEDSZ > abuf + alen)
{
ares_free(q.name);
ares_free(a.name);
libcares/configure view on Meta::CPAN
program_suffix=NONE
program_transform_name=s,x,x,
silent=
site=
srcdir=
verbose=
x_includes=NONE
x_libraries=NONE
# Installation directory options.
# These are left unexpanded so users can "make install exec_prefix=/foo"
# and all the variables that are supposed to be based on exec_prefix
# by default will actually change.
# Use braces instead of parens because sh, perl, etc. also accept them.
# (The list follows the same order as the GNU Coding Standards.)
bindir='${exec_prefix}/bin'
sbindir='${exec_prefix}/sbin'
libexecdir='${exec_prefix}/libexec'
datarootdir='${prefix}/share'
datadir='${datarootdir}'
sysconfdir='${prefix}/etc'
libcares/configure view on Meta::CPAN
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C preprocessor" >&5
$as_echo_n "checking how to run the C preprocessor... " >&6; }
# On Suns, sometimes $CPP names a directory.
if test -n "$CPP" && test -d "$CPP"; then
CPP=
fi
if test -z "$CPP"; then
if ${ac_cv_prog_CPP+:} false; then :
$as_echo_n "(cached) " >&6
else
# Double quotes because CPP needs to be expanded
for CPP in "$CC -E" "$CC -E -traditional-cpp" "/lib/cpp"
do
ac_preproc_ok=false
for ac_c_preproc_warn_flag in '' yes
do
# Use a header file that comes with gcc, so configuring glibc
# with a fresh cross-compiler works.
# Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
# <limits.h> exists even on freestanding compilers.
# On the NeXT, cc -E runs the code through the compiler's parser,
libcares/configure view on Meta::CPAN
program_transform_name=`$as_echo "$program_transform_name" | sed "$ac_script"`
if test x"${MISSING+set}" != xset; then
case $am_aux_dir in
*\ * | *\ *)
MISSING="\${SHELL} \"$am_aux_dir/missing\"" ;;
*)
MISSING="\${SHELL} $am_aux_dir/missing" ;;
esac
fi
# Use eval to expand $SHELL
if eval "$MISSING --is-lightweight"; then
am_missing_run="$MISSING "
else
am_missing_run=
{ $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: 'missing' script is too old or missing" >&5
$as_echo "$as_me: WARNING: 'missing' script is too old or missing" >&2;}
fi
if test x"${install_sh+set}" != xset; then
case $am_aux_dir in
libcares/configure view on Meta::CPAN
ac_cpp='$CXXCPP $CPPFLAGS'
ac_compile='$CXX -c $CXXFLAGS $CPPFLAGS conftest.$ac_ext >&5'
ac_link='$CXX -o conftest$ac_exeext $CXXFLAGS $CPPFLAGS $LDFLAGS conftest.$ac_ext $LIBS >&5'
ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking how to run the C++ preprocessor" >&5
$as_echo_n "checking how to run the C++ preprocessor... " >&6; }
if test -z "$CXXCPP"; then
if ${ac_cv_prog_CXXCPP+:} false; then :
$as_echo_n "(cached) " >&6
else
# Double quotes because CXXCPP needs to be expanded
for CXXCPP in "$CXX -E" "/lib/cpp"
do
ac_preproc_ok=false
for ac_cxx_preproc_warn_flag in '' yes
do
# Use a header file that comes with gcc, so configuring glibc
# with a fresh cross-compiler works.
# Prefer <limits.h> to <assert.h> if __STDC__ is defined, since
# <limits.h> exists even on freestanding compilers.
# On the NeXT, cc -E runs the code through the compiler's parser,
libcares/configure view on Meta::CPAN
ac_config_commands="$ac_config_commands libtool"
# Only expand once:
## --------------------- ##
## End of libtool code ##
## --------------------- ##
#
# Verify if finally libtool shared libraries will be built
#
libcares/configure view on Meta::CPAN
fi
fi
else
{ $as_echo "$as_me:${as_lineno-$LINENO}: not updating unwritable cache $cache_file" >&5
$as_echo "$as_me: not updating unwritable cache $cache_file" >&6;}
fi
fi
rm -f confcache
test "x$prefix" = xNONE && prefix=$ac_default_prefix
# Let make expand exec_prefix.
test "x$exec_prefix" = xNONE && exec_prefix='${prefix}'
DEFS=-DHAVE_CONFIG_H
ac_libobjs=
ac_ltlibobjs=
U=
for ac_i in : $LIBOBJS; do test "x$ac_i" = x: && continue
# 1. Remove the extension, and $U if already installed.
ac_script='s/\$U\././;s/\.o$//;s/\.obj$//'
libcares/configure view on Meta::CPAN
*) ac_INSTALL=$ac_top_build_prefix$INSTALL ;;
esac
ac_MKDIR_P=$MKDIR_P
case $MKDIR_P in
[\\/$]* | ?:[\\/]* ) ;;
*/*) ac_MKDIR_P=$ac_top_build_prefix$MKDIR_P ;;
esac
_ACEOF
cat >>$CONFIG_STATUS <<\_ACEOF || ac_write_fail=1
# If the template does not know about datarootdir, expand it.
# FIXME: This hack should be removed a few years after 2.60.
ac_datarootdir_hack=; ac_datarootdir_seen=
ac_sed_dataroot='
/datarootdir/ {
p
q
}
/@datadir@/p
/@docdir@/p
/@infodir@/p
libcares/ltmain.sh view on Meta::CPAN
if test -n "$func_quote_for_eval_result"; then
func_append func_quote_for_eval_result " $_G_quoted_arg"
else
func_append func_quote_for_eval_result "$_G_quoted_arg"
fi
shift
done
}
# func_quote_for_expand ARG
# -------------------------
# Aesthetically quote ARG to be evaled later; same as above,
# but do not quote variable references.
func_quote_for_expand ()
{
$debug_cmd
case $1 in
*[\\\`\"]*)
_G_arg=`$ECHO "$1" | $SED \
-e "$sed_double_quote_subst" -e "$sed_double_backslash"` ;;
*)
_G_arg=$1 ;;
esac
libcares/ltmain.sh view on Meta::CPAN
case $_G_arg in
# Double-quote args containing shell metacharacters to delay
# word splitting and command substitution for a subsequent eval.
# Many Bourne shells cannot handle close brackets correctly
# in scan sets, so we specify it separately.
*[\[\~\#\^\&\*\(\)\{\}\|\;\<\>\?\'\ \ ]*|*]*|"")
_G_arg=\"$_G_arg\"
;;
esac
func_quote_for_expand_result=$_G_arg
}
# func_stripname PREFIX SUFFIX NAME
# ---------------------------------
# strip PREFIX and SUFFIX from NAME, and store in func_stripname_result.
# PREFIX and SUFFIX must not contain globbing or regex special
# characters, hashes, percent signs, but SUFFIX may contain a leading
# dot (in which case that matches only a dot).
if test yes = "$_G_HAVE_XSI_OPS"; then
libcares/ltmain.sh view on Meta::CPAN
# Unless opt_quiet is true, then output CMD. Then, if opt_dryrun is
# not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP
# is given, then evaluate it.
func_show_eval ()
{
$debug_cmd
_G_cmd=$1
_G_fail_exp=${2-':'}
func_quote_for_expand "$_G_cmd"
eval "func_notquiet $func_quote_for_expand_result"
$opt_dry_run || {
eval "$_G_cmd"
_G_status=$?
if test 0 -ne "$_G_status"; then
eval "(exit $_G_status); $_G_fail_exp"
fi
}
}
libcares/ltmain.sh view on Meta::CPAN
# not true, evaluate CMD. If the evaluation of CMD fails, and FAIL_EXP
# is given, then evaluate it. Use the saved locale for evaluation.
func_show_eval_locale ()
{
$debug_cmd
_G_cmd=$1
_G_fail_exp=${2-':'}
$opt_quiet || {
func_quote_for_expand "$_G_cmd"
eval "func_echo $func_quote_for_expand_result"
}
$opt_dry_run || {
eval "$_G_user_locale
$_G_cmd"
_G_status=$?
eval "$_G_safe_locale"
if test 0 -ne "$_G_status"; then
eval "(exit $_G_status); $_G_fail_exp"
fi
libcares/ltmain.sh view on Meta::CPAN
## -------------- ##
# You should override these variables in your script after sourcing this
# file so that they reflect the customisations you have added to the
# option parser.
# The usage line for option parsing errors and the start of '-h' and
# '--help' output messages. You can embed shell variables for delayed
# expansion at the time the message is displayed, but you will need to
# quote other shell meta-characters carefully to prevent them being
# expanded when the contents are evaled.
usage='$progpath [OPTION]...'
# Short help message in response to '-h' and '--help'. Add to this or
# override it after sourcing this library to reflect the full set of
# options your script accepts.
usage_message="\
--debug enable verbose shell tracing
-W, --warnings=CATEGORY
report the warnings falling in CATEGORY [all]
-v, --verbose verbosely report processing
libcares/ltmain.sh view on Meta::CPAN
# arg is usually of the form 'gcc ...'
func_infer_tag ()
{
$debug_cmd
if test -n "$available_tags" && test -z "$tagname"; then
CC_quoted=
for arg in $CC; do
func_append_quoted CC_quoted "$arg"
done
CC_expanded=`func_echo_all $CC`
CC_quoted_expanded=`func_echo_all $CC_quoted`
case $@ in
# Blanks in the command may have been stripped by the calling shell,
# but not from the CC environment variable when configure was run.
" $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \
" $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*) ;;
# Blanks at the start of $base_compile will cause this to fail
# if we don't check for them as well.
*)
for z in $available_tags; do
if $GREP "^# ### BEGIN LIBTOOL TAG CONFIG: $z$" < "$progpath" > /dev/null; then
# Evaluate the configuration.
eval "`$SED -n -e '/^# ### BEGIN LIBTOOL TAG CONFIG: '$z'$/,/^# ### END LIBTOOL TAG CONFIG: '$z'$/p' < $progpath`"
CC_quoted=
for arg in $CC; do
# Double-quote args containing other shell metacharacters.
func_append_quoted CC_quoted "$arg"
done
CC_expanded=`func_echo_all $CC`
CC_quoted_expanded=`func_echo_all $CC_quoted`
case "$@ " in
" $CC "* | "$CC "* | " $CC_expanded "* | "$CC_expanded "* | \
" $CC_quoted"* | "$CC_quoted "* | " $CC_quoted_expanded "* | "$CC_quoted_expanded "*)
# The compiler in the base compile command matches
# the one in the tagged configuration.
# Assume this is the tagged configuration we want.
tagname=$z
break
;;
esac
fi
done
# If $tagname still isn't set, then no tagged configuration
libcares/ltmain.sh view on Meta::CPAN
$opt_dry_run || {
if $finalize; then
tmpdir=`func_mktempdir`
func_basename "$file$stripped_ext"
file=$func_basename_result
outputname=$tmpdir/$file
# Replace the output file specification.
relink_command=`$ECHO "$relink_command" | $SED 's%@OUTPUT@%'"$outputname"'%g'`
$opt_quiet || {
func_quote_for_expand "$relink_command"
eval "func_echo $func_quote_for_expand_result"
}
if eval "$relink_command"; then :
else
func_error "error: relink '$file' with the above command before installing it"
$opt_dry_run || ${RM}r "$tmpdir"
continue
fi
file=$outputname
else
func_warning "cannot relink '$file'"
libcares/ltmain.sh view on Meta::CPAN
test "$len" -lt "$max_cmd_len" || test "$max_cmd_len" -le -1; then
:
else
# The command line is too long to link in one step, link piecewise
# or, if using GNU ld and skipped_export is not :, use a linker
# script.
# Save the value of $output and $libobjs because we want to
# use them later. If we have whole_archive_flag_spec, we
# want to use save_libobjs as it was before
# whole_archive_flag_spec was expanded, because we can't
# assume the linker understands whole_archive_flag_spec.
# This may have to be revisited, in case too many
# convenience libraries get linked in and end up exceeding
# the spec.
if test -z "$convenience" || test -z "$whole_archive_flag_spec"; then
save_libobjs=$libobjs
fi
save_output=$output
func_basename "$output"
output_la=$func_basename_result
libcares/ltmain.sh view on Meta::CPAN
}
test -n "$save_libobjs" &&
func_verbose "creating a temporary reloadable object file: $output"
# Loop through the commands generated above and execute them.
save_ifs=$IFS; IFS='~'
for cmd in $concat_cmds; do
IFS=$save_ifs
$opt_quiet || {
func_quote_for_expand "$cmd"
eval "func_echo $func_quote_for_expand_result"
}
$opt_dry_run || eval "$cmd" || {
lt_exit=$?
# Restore the uninstalled library and exit
if test relink = "$opt_mode"; then
( cd "$output_objdir" && \
$RM "${realname}T" && \
$MV "${realname}U" "$realname" )
fi
libcares/ltmain.sh view on Meta::CPAN
func_append libobjs " $func_extract_archives_result"
test "X$libobjs" = "X " && libobjs=
fi
save_ifs=$IFS; IFS='~'
for cmd in $cmds; do
IFS=$sp$nl
eval cmd=\"$cmd\"
IFS=$save_ifs
$opt_quiet || {
func_quote_for_expand "$cmd"
eval "func_echo $func_quote_for_expand_result"
}
$opt_dry_run || eval "$cmd" || {
lt_exit=$?
# Restore the uninstalled library and exit
if test relink = "$opt_mode"; then
( cd "$output_objdir" && \
$RM "${realname}T" && \
$MV "${realname}U" "$realname" )
fi
libcares/m4/libtool.m4 view on Meta::CPAN
# LT_INIT([OPTIONS])
# ------------------
AC_DEFUN([LT_INIT],
[AC_PREREQ([2.62])dnl We use AC_PATH_PROGS_FEATURE_CHECK
AC_REQUIRE([AC_CONFIG_AUX_DIR_DEFAULT])dnl
AC_BEFORE([$0], [LT_LANG])dnl
AC_BEFORE([$0], [LT_OUTPUT])dnl
AC_BEFORE([$0], [LTDL_INIT])dnl
m4_require([_LT_CHECK_BUILDDIR])dnl
dnl Autoconf doesn't catch unexpanded LT_ macros by default:
m4_pattern_forbid([^_?LT_[A-Z_]+$])dnl
m4_pattern_allow([^(_LT_EOF|LT_DLGLOBAL|LT_DLLAZY_OR_NOW|LT_MULTI_MODULE)$])dnl
dnl aclocal doesn't pull ltoptions.m4, ltsugar.m4, or ltversion.m4
dnl unless we require an AC_DEFUNed macro:
AC_REQUIRE([LTOPTIONS_VERSION])dnl
AC_REQUIRE([LTSUGAR_VERSION])dnl
AC_REQUIRE([LTVERSION_VERSION])dnl
AC_REQUIRE([LTOBSOLETE_VERSION])dnl
m4_require([_LT_PROG_LTMAIN])dnl
libcares/m4/libtool.m4 view on Meta::CPAN
# This can be used to rebuild libtool when needed
LIBTOOL_DEPS=$ltmain
# Always use our own libtool.
LIBTOOL='$(SHELL) $(top_builddir)/libtool'
AC_SUBST(LIBTOOL)dnl
_LT_SETUP
# Only expand once:
m4_define([LT_INIT])
])# LT_INIT
# Old names:
AU_ALIAS([AC_PROG_LIBTOOL], [LT_INIT])
AU_ALIAS([AM_PROG_LIBTOOL], [LT_INIT])
dnl aclocal-1.4 backwards compatibility:
dnl AC_DEFUN([AC_PROG_LIBTOOL], [])
dnl AC_DEFUN([AM_PROG_LIBTOOL], [])
libcares/m4/libtool.m4 view on Meta::CPAN
esac
done
func_cc_basename_result=`$ECHO "$cc_temp" | $SED "s%.*/%%; s%^$host_alias-%%"`
}
])# _LT_PREPARE_CC_BASENAME
# _LT_CC_BASENAME(CC)
# -------------------
# It would be clearer to call AC_REQUIREs from _LT_PREPARE_CC_BASENAME,
# but that macro is also expanded into generated libtool script, which
# arranges for $SED and $ECHO to be set by different means.
m4_defun([_LT_CC_BASENAME],
[m4_require([_LT_PREPARE_CC_BASENAME])dnl
AC_REQUIRE([_LT_DECL_SED])dnl
AC_REQUIRE([_LT_PROG_ECHO_BACKSLASH])dnl
func_cc_basename $1
cc_basename=$func_cc_basename_result
])
libcares/m4/libtool.m4 view on Meta::CPAN
# declaration there will have the same value as in 'configure'. VARNAME
# must have a single quote delimited value for this to work.
m4_define([_LT_CONFIG_STATUS_DECLARE],
[$1='`$ECHO "$][$1" | $SED "$delay_single_quote_subst"`'])
# _LT_CONFIG_STATUS_DECLARATIONS
# ------------------------------
# We delimit libtool config variables with single quotes, so when
# we write them to config.status, we have to be sure to quote all
# embedded single quotes properly. In configure, this macro expands
# each variable declared with _LT_DECL (and _LT_TAGDECL) into:
#
# <var>='`$ECHO "$<var>" | $SED "$delay_single_quote_subst"`'
m4_defun([_LT_CONFIG_STATUS_DECLARATIONS],
[m4_foreach([_lt_var], m4_quote(lt_decl_all_varnames),
[m4_n([_LT_CONFIG_STATUS_DECLARE(_lt_var)])])])
# _LT_LIBTOOL_TAGS
# ----------------
# Output comment and list of tags supported by the script
m4_defun([_LT_LIBTOOL_TAGS],
[_LT_FORMAT_COMMENT([The names of the tagged configurations supported by this script])dnl
available_tags='_LT_TAGS'dnl
])
# _LT_LIBTOOL_DECLARE(VARNAME, [TAG])
# -----------------------------------
# Extract the dictionary values for VARNAME (optionally with TAG) and
# expand to a commented shell variable setting:
#
# # Some comment about what VAR is for.
# visible_name=$lt_internal_name
m4_define([_LT_LIBTOOL_DECLARE],
[_LT_FORMAT_COMMENT(m4_quote(lt_dict_fetch([lt_decl_dict], [$1],
[description])))[]dnl
m4_pushdef([_libtool_name],
m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [libtool_name])))[]dnl
m4_case(m4_quote(lt_dict_fetch([lt_decl_dict], [$1], [value])),
[0], [_libtool_name=[$]$1],
libcares/m4/libtool.m4 view on Meta::CPAN
m4_define([_LT_TAGVAR], [m4_ifval([$2], [$1_$2], [$1])])
# _LT_CONFIG_COMMANDS
# -------------------
# Send accumulated output to $CONFIG_STATUS. Thanks to the lists of
# variables for single and double quote escaping we saved from calls
# to _LT_DECL, we can put quote escaped variables declarations
# into 'config.status', and then the shell code to quote escape them in
# for loops in 'config.status'. Finally, any additional code accumulated
# from calls to _LT_CONFIG_LIBTOOL_INIT is expanded.
m4_defun([_LT_CONFIG_COMMANDS],
[AC_PROVIDE_IFELSE([LT_OUTPUT],
dnl If the libtool generation code has been placed in $CONFIG_LT,
dnl instead of duplicating it all over again into config.status,
dnl then we will have config.status run $CONFIG_LT later, so it
dnl needs to know what name is stored there:
[AC_CONFIG_COMMANDS([libtool],
[$SHELL $CONFIG_LT || AS_EXIT(1)], [CONFIG_LT='$CONFIG_LT'])],
dnl If the libtool generation code is destined for config.status,
dnl expand the accumulated commands and init code now:
[AC_CONFIG_COMMANDS([libtool],
[_LT_OUTPUT_LIBTOOL_COMMANDS], [_LT_OUTPUT_LIBTOOL_COMMANDS_INIT])])
])#_LT_CONFIG_COMMANDS
# Initialize.
m4_define([_LT_OUTPUT_LIBTOOL_COMMANDS_INIT],
[
# The HP-UX ksh and POSIX shell print the target directory to stdout
libcares/m4/libtool.m4 view on Meta::CPAN
# is reportedly fixed, but why not run on old versions too?
sed '$q' "$ltmain" >> "$cfgfile" \
|| (rm -f "$cfgfile"; exit 1)
mv -f "$cfgfile" "$ofile" ||
(rm -f "$ofile" && cp "$cfgfile" "$ofile" && rm -f "$cfgfile")
chmod +x "$ofile"
],
[cat <<_LT_EOF >> "$ofile"
dnl Unfortunately we have to use $1 here, since _LT_TAG is not expanded
dnl in a comment (ie after a #).
# ### BEGIN LIBTOOL TAG CONFIG: $1
_LT_LIBTOOL_TAG_VARS(_LT_TAG)
# ### END LIBTOOL TAG CONFIG: $1
_LT_EOF
])dnl /m4_if
],
[m4_if([$1], [], [
PACKAGE='$PACKAGE'
VERSION='$VERSION'
libcares/m4/ltsugar.m4 view on Meta::CPAN
m4_define([lt_cdr],
[m4_if([$#], 0, [m4_fatal([$0: cannot be called without arguments])],
[$#], 1, [],
[m4_dquote(m4_shift($@))])])
m4_define([lt_unquote], $1)
# lt_append(MACRO-NAME, STRING, [SEPARATOR])
# ------------------------------------------
# Redefine MACRO-NAME to hold its former content plus 'SEPARATOR''STRING'.
# Note that neither SEPARATOR nor STRING are expanded; they are appended
# to MACRO-NAME as is (leaving the expansion for when MACRO-NAME is invoked).
# No SEPARATOR is output if MACRO-NAME was previously undefined (different
# than defined and empty).
#
# This macro is needed until we can rely on Autoconf 2.62, since earlier
# versions of m4sugar mistakenly expanded SEPARATOR but not STRING.
m4_define([lt_append],
[m4_define([$1],
m4_ifdef([$1], [m4_defn([$1])[$3]])[$2])])
# lt_combine(SEP, PREFIX-LIST, INFIX, SUFFIX1, [SUFFIX2...])
# ----------------------------------------------------------
# Produce a SEP delimited list of all paired combinations of elements of
# PREFIX-LIST with SUFFIX1 through SUFFIXn. Each element of the list
libcares/m4/ltsugar.m4 view on Meta::CPAN
[m4_pushdef([_Lt_sep], [m4_define([_Lt_sep], m4_defn([lt_car]))])]]dnl
[[m4_foreach([_Lt_prefix], [$2],
[m4_foreach([_Lt_suffix],
]m4_dquote(m4_dquote(m4_shift(m4_shift(m4_shift($@)))))[,
[_Lt_sep([$1])[]m4_defn([_Lt_prefix])[$3]m4_defn([_Lt_suffix])])])])])
# lt_if_append_uniq(MACRO-NAME, VARNAME, [SEPARATOR], [UNIQ], [NOT-UNIQ])
# -----------------------------------------------------------------------
# Iff MACRO-NAME does not yet contain VARNAME, then append it (delimited
# by SEPARATOR if supplied) and expand UNIQ, else NOT-UNIQ.
m4_define([lt_if_append_uniq],
[m4_ifdef([$1],
[m4_if(m4_index([$3]m4_defn([$1])[$3], [$3$2$3]), [-1],
[lt_append([$1], [$2], [$3])$4],
[$5])],
[lt_append([$1], [$2], [$3])$4])])
# lt_dict_add(DICT, KEY, VALUE)
# -----------------------------
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