Path: utzoo!telly!ddsw1!mcdchg!rutgers!njin!princeton!notecnirp!drh From: drh@notecnirp.Princeton.EDU (Dave Hanson) Newsgroups: gnu.gcc.bug Subject: Re: Bug with functions as parameters? Message-ID: <12426@princeton.Princeton.EDU> Date: 5 Oct 88 22:22:10 GMT References: <8810051813.AA01101@uther.cs.purdue.edu> Sender: news@princeton.Princeton.EDU Reply-To: drh@notecnirp.UUCP (Dave Hanson) Distribution: gnu Organization: Dept. of Computer Science, Princeton University Lines: 22 In article <8810051813.AA01101@uther.cs.purdue.edu> spaf@PURDUE.EDU (Gene Spafford) writes: >Index: > gcc 1.28 on a Sun 3/50, 3/60, 3/280 all running 3.4 SunOS > >Source to reproduce problem: int bar () { printf("hi!\n"); } void foo (x) int x (); { x(); } int main() { foo(bar);} As I understand both K&R C and the new draft, this program should not compile because the declaration of "int x ()" should conflict with the parameter "x" provided as an argument. not quite. foo is defined in `old-style' and hence there's no argument checking done for calls to foo like the foo(bar). also, the type of argument x is automatically converted from `int function' to `pointer to int function' as stipulated at the top of p. 218 in K&R2. hence, there are no errors.