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added check for max len of uid_t

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fixed sco vs. isc check
This commit is contained in:
Todd C. Miller 1995-07-23 21:47:20 +00:00
parent 93347870a7
commit 6cda67389b
1 changed files with 40 additions and 9 deletions
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49
aclocal.m4 vendored
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@ -141,16 +141,16 @@ dnl
AC_DEFUN(SUDO_CHECK_TYPE, AC_DEFUN(SUDO_CHECK_TYPE,
[AC_REQUIRE([AC_HEADER_STDC])dnl [AC_REQUIRE([AC_HEADER_STDC])dnl
AC_MSG_CHECKING(for $1) AC_MSG_CHECKING(for $1)
AC_CACHE_VAL(ac_cv_type_$1, AC_CACHE_VAL(sudo_cv_type_$1,
[AC_EGREP_CPP($1, [#include <sys/types.h> [AC_EGREP_CPP($1, [#include <sys/types.h>
#if STDC_HEADERS #if STDC_HEADERS
#include <stdlib.h> #include <stdlib.h>
#endif #endif
#if HAVE_UNISTD_H #if HAVE_UNISTD_H
#include <unistd.h> #include <unistd.h>
#endif], ac_cv_type_$1=yes, ac_cv_type_$1=no)])dnl #endif], sudo_cv_type_$1=yes, sudo_cv_type_$1=no)])dnl
AC_MSG_RESULT($ac_cv_type_$1) AC_MSG_RESULT($sudo_cv_type_$1)
if test $ac_cv_type_$1 = no; then if test $sudo_cv_type_$1 = no; then
AC_DEFINE($1, $2) AC_DEFINE($1, $2)
fi fi
]) ])
@ -212,6 +212,36 @@ if test $sudo_cv_sock_sa_len = yes; then
fi fi
]) ])
dnl
dnl check for max length of uid_t in string representation.
dnl if MAXUID exists there is no real way to see if uid_t is
dnl signed or not so we add one on the off chance that it is.
dnl
AC_DEFUN(SUDO_UID_T_LEN,
[AC_REQUIRE([AC_TYPE_UID_T])
AC_MSG_CHECKING(max length of uid_t)
AC_CACHE_VAL(sudo_cv_uid_t_len,
[AC_TRY_RUN(
[#include <stdio.h>
#include <pwd.h>
#include <sys/types.h>
#include <sys/param.h>
main() {
#ifdef MAXUID
char b[BUFSIZ];
(void) sprintf(b, "%ld", MAXUID);
exit(strlen(b)+1); /* add one just in case it is signed... */
#else
uid_t u = (uid_t) -1; char b[BUFSIZ];
(void) sprintf(b, "%u", u);
exit(strlen(b));
#endif
}], sudo_cv_uid_t_len=10, sudo_cv_uid_t_len=$?)
])
AC_MSG_RESULT($sudo_cv_uid_t_len)
AC_DEFINE_UNQUOTED(MAX_UID_T_LEN, $sudo_cv_uid_t_len)
])
dnl dnl
dnl check for known UNIX variants dnl check for known UNIX variants
dnl XXX - check to see that uname was checked first dnl XXX - check to see that uname was checked first
@ -227,12 +257,13 @@ if test -n "$UNAMEPROG"; then
OS=`$UNAMEPROG -s` OS=`$UNAMEPROG -s`
# some OS's set -s the same as -n (BROKEN!!!) # some OS's set -s the same as -n (BROKEN!!!)
if test "$OS" = `$UNAMEPROG -n`; then if test "$OS" = `$UNAMEPROG -n`; then
# evil hack for ISC unix (svr4) # evil hack for ISC unix (svr4) and SCO
if test "`$UNAMEPROG -m`" = "i386"; then if test "`$UNAMEPROG -m`" = "i386"; then
case "`$UNAMEPROG -X`" in if test -d /usr/admin; then
"/"* | "uname"*) OS="isc" ;; OS="isc"
*) OS="sco" ;; else
esac OS="sco"
fi
else else
OS=`$UNAMEPROG -v` OS=`$UNAMEPROG -v`
fi fi