From: Todd C. Miller <Todd.Miller@courtesan.com>
Date: Mon, 19 Jun 1995 19:19:02 +0000 (+0000)
Subject: added SUDO_FUNC_UTIME_NULL and SUDO_FUNC_UTIME_POSIX
X-Git-Tag: SUDO_1_4_0~333
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=4a6f9ff555ef8c6a5edb7701603bb2f6b3ac3bfa;p=sudo

added SUDO_FUNC_UTIME_NULL and SUDO_FUNC_UTIME_POSIX
---

diff --git a/aclocal.m4 b/aclocal.m4
index 0624b57e3..6a31b5674 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1,7 +1,7 @@
 dnl Local m4 macors for autoconf (used by sudo)
 dnl
 dnl checks for programs
-dnl
+
 dnl
 dnl check for sendmail
 dnl
@@ -28,6 +28,7 @@ else
     AC_MSG_RESULT(not found)
 fi
 ])dnl
+
 dnl
 dnl check for vi
 dnl
@@ -48,6 +49,7 @@ else
     AC_MSG_RESULT(not found)
 fi
 ])dnl
+
 dnl
 dnl check for pwd
 dnl
@@ -68,6 +70,7 @@ else
     AC_MSG_RESULT(not found)
 fi
 ])dnl
+
 dnl
 dnl check for mv
 dnl
@@ -88,6 +91,7 @@ else
     AC_MSG_RESULT(not found)
 fi
 ])dnl
+
 dnl
 dnl Where the log file goes, use /var/log if it exists, else /{var,usr}/adm
 dnl
@@ -105,6 +109,7 @@ else
     AC_MSG_RESULT(unknown, you will have to set _PATH_SUDO_LOGFILE by hand)
 fi
 ])dnl
+
 dnl
 dnl check for fullly working void
 dnl
@@ -133,16 +138,67 @@ if test $ac_cv_type_$1 = no; then
   AC_DEFINE($1, $2)
 fi
 ])
+
 dnl
 dnl Check for size_t declation
 dnl
 AC_DEFUN(SUDO_TYPE_SIZE_T,
 [SUDO_CHECK_TYPE(size_t, int)])
+
 dnl
 dnl Check for ssize_t declation
 dnl
 AC_DEFUN(SUDO_TYPE_SSIZE_T,
 [SUDO_CHECK_TYPE(ssize_t, int)])
+
+dnl
+dnl Check to see if POSIX utime() takes a null arg
+dnl (only change from AC_FUNC_UTIME_NULL is an added sleep(1)
+dnl
+AC_DEFUN(SUDO_FUNC_UTIME_NULL,
+[AC_MSG_CHECKING(whether utime accepts a null argument)
+AC_CACHE_VAL(ac_cv_func_utime_null,
+[rm -f conftestdata; > conftestdata
+# Sequent interprets utime(file, 0) to mean use start of epoch.  Wrong.
+AC_TRY_RUN([#include <sys/types.h>
+#include <sys/stat.h>
+main() {
+struct stat s, t;
+exit(!(stat ("conftestdata", &s) == 0 && !sleep(1) && utime("conftestdata", (long *)0) == 0
+&& stat("conftestdata", &t) == 0 && t.st_mtime >= s.st_mtime
+&& t.st_mtime - s.st_mtime < 120));
+}], ac_cv_func_utime_null=yes, ac_cv_func_utime_null=no,
+  ac_cv_func_utime_null=no)
+rm -f core core.* *.core])dnl
+AC_MSG_RESULT($ac_cv_func_utime_null)
+if test $ac_cv_func_utime_null = yes; then
+  AC_DEFINE(HAVE_UTIME_NULL)
+fi
+])
+
+dnl check for POSIX utime() using struct utimbuf
+dnl
+AC_DEFUN(SUDO_FUNC_UTIME_POSIX,
+[AC_MSG_CHECKING(for POSIX utime)
+AC_CACHE_VAL(sudo_cv_func_utime_posix,
+[rm -f conftestdata; > conftestdata
+AC_TRY_RUN([#include <utime.h>
+#include <sys/types.h>
+#include <sys/time.h>
+main() {
+struct utimbuf ut;
+ut.actime = ut.modtime = time(0);
+utime("conftestdata", &ut);
+exit(0);
+}], sudo_cv_func_utime_posix=yes, sudo_cv_func_utime_posix=no,
+  sudo_cv_func_utime_posix=no)
+rm -f core core.* *.core])dnl
+AC_MSG_RESULT($sudo_cv_func_utime_posix)
+if test $sudo_cv_func_utime_posix = yes; then
+  AC_DEFINE(HAVE_UTIME_POSIX)
+fi
+])
+
 dnl
 dnl check for known UNIX variants
 dnl XXX - check to see that uname was checked first
@@ -192,8 +248,11 @@ else
     fi
 fi
 ])dnl
+
 dnl
 dnl checks for UNIX variants that lack uname
+dnl
+
 dnl
 dnl SUDO_CONVEX
 dnl
@@ -206,6 +265,7 @@ $0], [AC_EGREP_HEADER])AC_BEFORE([$0], [AC_TEST_CPP])AC_PROGRAM_EGREP(yes,
 #endif
 ], [$1], [$2])
 ])dnl
+
 dnl
 dnl SUDO_MTXINU
 dnl
@@ -219,6 +279,7 @@ $0], [AC_EGREP_HEADER])AC_BEFORE([$0], [AC_TEST_CPP])AC_PROGRAM_EGREP(yes,
 #endif
 ], [$1], [$2])
 ])dnl
+
 dnl
 dnl SUDO_NEXT
 dnl
@@ -229,6 +290,7 @@ if test -r /usr/lib/NextStep/software_version; then
     OSREV=`$SEDPROG -e 's/^[[ \.0A-z]]*//' -e 's/\..*//' -e 1q < /usr/lib/NextStep/software_version`
 fi
 ])dnl
+
 dnl
 dnl SUDO_BSD
 dnl