ANSI C or gcc bug? Problems with gcc-2.2.2

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1 total messages Started by Cliff Krumvieda Fri, 24 Jul 1992 06:20

#191

Author: Cliff Krumvieda
Date: Fri, 24 Jul 1992 06:20

49 lines
1721 bytes

Howdy:

I'm having some trouble with the -Wmissing-prototypes flag on
gcc-2.2.2.  I believe the following is correct ANSI C:

bug.c:
======================================================================
void bug ();

void bug ()
{
        printf ("Hee!\n");
}
======================================================================

However, when I compile:

======================================================================
% gcc -v
Reading specs from /usr/local/gnu/gcc-2.2.2/lib/gcc-lib/sparc-sun-sunos4.1/2.2.2/
specs
gcc version 2.2.2
% gcc -c -Wmissing-prototypes bug.c
bug.c:4: warning: no previous prototype for `bug'
======================================================================

If instead:

bug2.c:
======================================================================
void bug2 (int);

void bug2 (int x)
{
  printf ("%d!\n", x);
}
======================================================================

I get:

======================================================================
% gcc -c -Wmissing-prototypes bug2.c
%
======================================================================

Did I not specify a correct prototype in bug.c?   If not, how does one
specify a prototype for a function without arguments?

						--Cliff Krumvieda

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