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Added checks for number of parameters to the functions gethostbyname_r()

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and gethostbyaddr_r()
This commit is contained in:
Daniel Stenberg 2000-05-30 22:26:26 +00:00
parent 5d39dde961
commit 95ddb16768
1 changed files with 99 additions and 0 deletions
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99
configure.in
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@ -10,6 +10,84 @@ dnl The install stuff has already been taken care of by the automake stuff
dnl AC_PROG_INSTALL
AC_PROG_MAKE_SET
dnl The following checks for the amount of arguments that gethostbyname_r()
dnl and gethostbyaddr_r() want is shamelessly stolen from a posting I found
dnl in the OpenLDAP mailing list archive, posted by
dnl Juan Carlos Gomez <gomez@cthulhu.engr.sgi.com>
dnl ====================================================================
dnl check no of arguments for gethostbyname_r
AC_DEFUN(OL_FUNC_GETHOSTBYNAME_R_NARGS,
[AC_CACHE_CHECK(number of arguments of gethostbyname_r, ol_cv_func_gethostbyname_r_nargs,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#define BUFSIZE (sizeof(struct hostent)+10)],
[struct hostent hent; char buffer[BUFSIZE];
int bufsize=BUFSIZE;int h_errno;
(void)gethostbyname_r( "segovia.cs.purdue.edu", &hent, buffer, bufsize, &h_errno);
return 0;],
ol_cv_func_gethostbyname_r_nargs=5, ol_cv_func_gethostbyname_r_nargs=0)
if test $ol_cv_func_gethostbyname_r_nargs = 0 ; then
AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#define BUFSIZE (sizeof(struct hostent)+10)],
[struct hostent hent;struct hostent *rhent;
char buffer[BUFSIZE];
int bufsize=BUFSIZE;int h_errno;
(void)gethostbyname_r( "segovia.cs.purdue.edu",
&hent, buffer, bufsize, &rhent, &h_errno);
return 0;],
ol_cv_func_gethostbyname_r_nargs=6, ol_cv_func_gethostbyname_r_nargs=0)
fi
])
if test $ol_cv_func_gethostbyname_r_nargs -gt 1 ; then
AC_DEFINE_UNQUOTED(GETHOSTBYNAME_R_NARGS, $ol_cv_func_gethostbyname_r_nargs)
fi
])dnl
dnl check no of arguments for gethostbyaddr_r
AC_DEFUN(OL_FUNC_GETHOSTBYADDR_R_NARGS,
[AC_CACHE_CHECK(number of arguments of gethostbyaddr_r, ol_cv_func_gethostbyaddr_r_nargs,
[AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#define BUFSIZE (sizeof(struct hostent)+10)],
[struct hostent hent; char buffer[BUFSIZE];
struct in_addr add={0x70707070};
size_t alen=sizeof(struct in_addr);
int bufsize=BUFSIZE;int h_errno;
(void)gethostbyaddr_r( (void *)&(add.s_addr),
alen, AF_INET, &hent, buffer, bufsize, &h_errno);
return 0;],
ol_cv_func_gethostbyaddr_r_nargs=7,
ol_cv_func_gethostbyaddr_r_nargs=0)
if test $ol_cv_func_gethostbyaddr_r_nargs = 0 ; then
AC_TRY_COMPILE([#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#define BUFSIZE (sizeof(struct hostent)+10)],
[struct hostent hent; struct hostent *rhent; char buffer[BUFSIZE];
struct in_addr add={0x70707070};
size_t alen=sizeof(struct in_addr);
int bufsize=BUFSIZE;int h_errno;
(void)gethostbyaddr_r( (void *)&(add.s_addr),
alen, AF_INET, &hent, buffer, bufsize,
&rhent, &h_errno);
return 0;],
ol_cv_func_gethostbyaddr_r_nargs=8,
ol_cv_func_gethostbyaddr_r_nargs=0)
fi
])
if test $ol_cv_func_gethostbyaddr_r_nargs -gt 1 ; then
AC_DEFINE_UNQUOTED(GETHOSTBYADDR_R_NARGS, $ol_cv_func_gethostbyaddr_r_nargs)
fi
])dnl
dnl Check for AIX weirdos
AC_AIX
@ -196,6 +274,24 @@ AC_CHECK_FUNCS( socket \
RAND_screen
)
#
# The *_r functions below can have a different amount of parameters depending
# on various systems. Let's check how many this system wants!
#
if test "$ac_cv_func_gethostbyname_r" = yes ; then
OL_FUNC_GETHOSTBYNAME_R_NARGS
else
ol_cv_func_gethostbyname_r=0
fi
if test "$ac_cv_func_gethostbyaddr_r" = yes ; then
OL_FUNC_GETHOSTBYADDR_R_NARGS
else
ol_cv_func_gethostbyaddr_r=0
fi
AC_PATH_PROG( PERL, perl, ,
$PATH:/usr/local/bin/perl:/usr/bin/:/usr/local/bin )
AC_SUBST(PERL)
@ -218,3 +314,6 @@ dnl perl/checklinks.pl \
dnl perl/getlinks.pl \
dnl perl/formfind.pl \
dnl perl/recursiveftpget.pl )