re PR fortran/42900 (gfortran.dg/stat_[12].f90 may fail on NFS filesystems)

	PR fortran/42900
	* gfortran.dg/stat_1.f90: Accept 'testfile' gid == parent dir gid.
	Explain this.
	* gfortran.dg/stat_2.f90: Likewise.

From-SVN: r157135

gcc/testsuite/ChangeLog

+2010-03-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	PR fortran/42900
+	* gfortran.dg/stat_1.f90: Accept 'testfile' gid == parent dir gid.
+	Explain this.
+	* gfortran.dg/stat_2.f90: Likewise.
+
 2010-03-01  Tobias Burnus  <burnus@net-b.de>
 
 	PR fortran/43199

gcc/testsuite/gfortran.dg/stat_1.f90

@@ -2,7 +2,7 @@
 ! { dg-skip-if "" { *-*-mingw* spu-*-* } { "*" } { "" } }
 ! { dg-options "-std=gnu" }
   character(len=*), parameter :: f = "testfile"
-  integer :: s1(13), r1, s2(13), r2, s3(13), r3
+  integer :: s1(13), r1, s2(13), r2, s3(13), r3, d(13), rd
   
   open (10,file=f)
   write (10,"(A)") "foo"
@@ -12,11 +12,15 @@
   call lstat (f, s1, r1)
   call stat (f, s2, r2)
   call fstat (10, s3, r3)
+  call stat (".", d, rd)
 
-  if (r1 /= 0 .or. r2 /= 0 .or. r3 /= 0) call abort
+  if (r1 /= 0 .or. r2 /= 0 .or. r3 /= 0 .or. rd /= 0) call abort
   if (any (s1 /= s2) .or. any (s1 /= s3)) call abort
   if (s1(5) /= getuid()) call abort
-  if (s1(6) /= getgid() .and. getgid() /= 0) call abort
+! If the test is run in a directory with the sgid bit set or on a filesystem
+! mounted with the grpid option, new files are created with the directory's
+! gid instead of the user's primary gid, so allow for that.
+  if (s1(6) /= getgid() .and. s1(6) /= d(6) .and. getgid() /= 0) call abort
   if (s1(8) < 3 .or. s1(8) > 5) call abort
 
   close (10,status="delete")

gcc/testsuite/gfortran.dg/stat_2.f90

@@ -2,7 +2,7 @@
 ! { dg-skip-if "" { *-*-mingw* spu-*-* } { "*" } { "" } }
 ! { dg-options "-std=gnu" }
   character(len=*), parameter :: f = "testfile"
-  integer :: s1(13), r1, s2(13), r2, s3(13), r3
+  integer :: s1(13), r1, s2(13), r2, s3(13), r3, d(13), rd
   
   open (10,file=f)
   write (10,"(A)") "foo"
@@ -12,11 +12,15 @@
   r1 = lstat (f, s1)
   r2 = stat (f, s2)
   r3 = fstat (10, s3)
+  rd = stat (".", d)
 
-  if (r1 /= 0 .or. r2 /= 0 .or. r3 /= 0) call abort
+  if (r1 /= 0 .or. r2 /= 0 .or. r3 /= 0 .or. rd /= 0) call abort
   if (any (s1 /= s2) .or. any (s1 /= s3)) call abort
   if (s1(5) /= getuid()) call abort
-  if (s1(6) /= getgid() .and. getgid() /= 0) call abort
+! If the test is run in a directory with the sgid bit set or on a filesystem
+! mounted with the grpid option, new files are created with the directory's
+! gid instead of the user's primary gid, so allow for that.
+  if (s1(6) /= getgid() .and. s1(6) /= d(6) .and. getgid() /= 0) call abort
   if (s1(8) < 3 .or. s1(8) > 5) call abort
 
   close (10,status="delete")