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Microsoft KB Archive/104899

From BetaArchive Wiki

PSS ID Number: 104899

Article Last Modified on 3/24/2000



The information in this article applies to:

  • Microsoft FORTRAN PowerStation for MS-DOS 1.0



This article was previously published under Q104899

SYMPTOMS

The string comparison operators stop the comparison operation at the occurrence of the first NUL character. The rest of the string after the first NUL character is not compared.

RESOLUTION

Use the string termination character only at the end of the string.

STATUS

Microsoft has confirmed this to be a problem in FORTRAN PowerStation for MS-DOS, version 1.0. This problem has been resolved with FORTRAN PowerStation maintenance release version 1.0a for MS-DOS.

FORTRAN PowerStation version 1.0 can be differentiated from the maintenance release version 1.0a by invoking the linker. Typing link32 | more from \F32\BIN directory will show version 2.8 for FORTRAN PowerStation version 1.0, and it will show version 1.0f for the maintenance release version 1.0a.

MORE INFORMATION

The string comparison operation works correctly in Microsoft FORTRAN version 5.1. Compiling and executing the following code with PowerStation will demonstrate the problem.

Sample Code

C No compiler options required
       character*10 a,b

       a = "1234567890"
       b = "123456789A"

       a(5:5) = char(0)
       b(5:5) = char(0)

       print *, "Should be: F T T T F F"
       print "(' Result:   ',L2,\)", ( a .eq. b )
       print '(L2,\)', ( a .ne. b )
       print '(L2,\)', ( a .lt. b )
       print '(L2,\)', ( b .gt. a )
       print '(L2,\)', ( b .le. a )
       print '(L2)', ( a .ge. b )

       end
                


Additional query words: 1.00 5.10 buglist1.00 fixlist1.00a

Keywords: kbbug KB104899
Technology: kbAudDeveloper kbFORTRANPower100DOS kbFortranSearch kbZNotKeyword3