Q46896: CALLTREE Produces Argument Mismatch with Void Parameter List

Article: Q46896
Product(s): See article
Version(s): 1.00
Operating System(s): MS-DOS
Keyword(s): ENDUSER | s_calltree buglist1.00 s_editor | mspl13_basic
Last Modified: 15-JAN-1991

The CALLTREE utility program included with the Microsoft C version
5.10 produces the following error message if a void parameter list is
used for the function foo() and the options -a and -b are specified on
the command line:

   Argument Mismatch Calling        foo  in  main.c(10)

Microsoft has confirmed this to be a problem in version 1.00. We are
researching this problem and will post new information here as it
becomes available.

The CALLTREE utility program can be used to produce a tree-like
structure of function usage. Documentation on the options for CALLTREE
can be found in the C 5.10 CodeView and Utilities manual in the
"Microsoft Editor for the MS OS/2 and MS-DOS Operating Systems: User's
Guide," section on pages 112-114.

The following program demonstrates the problem:

void foo(void);   /* prototye contains (void) */

void main(void)
{
  foo();     /* function call does not contain (void) */
             /* replace with foo(void); to prevent warning message */
}

void foo(void)
{
  printf("Inside foo\n");
}

Invoke CALLTREE by issuing the following command:

calltree -a -b back.out -w warn.out main.c

The "warn.out" file will now contain the error message:

   Argument Mismatch Calling        foo  in  main.c(5)

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