Article View: comp.std.c
Article #6239Re: const and struct pointers
From: Walter Murray
Date: Mon, 26 Feb 1990 18:17
Date: Mon, 26 Feb 1990 18:17
27 lines
1203 bytes
1203 bytes
Robert Adsett:
> #include <math.h>
> struct qwert { int a; double b;};
> void asdf( struct qwert a);
> const double a = 3.0;
> void junk( const double *b, const struct qwert *c)
> {
> (void)exp(a); /* Works */
> (void)exp(*b); /* Works */
> asdf( *c); /* Type mismatch ???? */
> }
> The compiler gives a type mismatch in argument error for the line
> indicated.
Doug Gwyn:
> The compiler was correct to complain about an argument that had as its
> type "pointer to qualified type" being passed to a function expecting
> a pointer to an unqualified type.
But in the posted example, the argument and parameter are structures,
not pointers. It seems to me that the code is legal.
Walter Murray
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!uwm.edu!zaphod.mps.ohio-state.edu!usc!ucsd!ucsdhub!hp-sdd!hplabs!hp-ses!hpcuhb!hpcllla!hpclisp!hpclwjm!walter From: walter@hpclwjm.HP.COM (Walter Murray) Newsgroups: comp.std.c Subject: Re: const and struct pointers Message-ID: <12570046@hpclwjm.HP.COM> Date: 26 Feb 90 18:17:33 GMT References: <1214@watserv1.waterloo.edu> Organization: Hewlett-Packard Calif. Language Lab Lines: 27