Path: utzoo!attcan!uunet!steinmetz!davidsen
From: davidsen@steinmetz.ge.com (William E. Davidsen Jr)
Newsgroups: comp.lang.c
Subject: Re: Use of Const keyword in ANSI C
Message-ID: <12098@steinmetz.ge.com>
Date: 8 Sep 88 18:37:00 GMT
References: <441@optilink.UUCP>
Reply-To: davidsen@crdos1.UUCP (bill davidsen)
Organization: General Electric CRD, Schenectady, NY
Lines: 26

In article <441@optilink.UUCP> cramer@optilink.UUCP (Clayton Cramer) writes:

| I've defined a structure:
| 
|     typedef struct Tag
|         {
|         const int       A;
|         short           B;
|         const char*     C;
|         } TestType;
| 
|     TestType        Test1 = {10, 10, "test case"};
| 
|     Test1.A = 5;            /* compiler complains about this -- good */
|     Test1.B = 20;           /* compiler accepts this -- fine */
|     Test1.C = "not a test case";    /* compiler accepts this -- bad */

  I think it's right. You have a "pointer to const char" (I think) and a
quoted string is (can be?) a const string, so it works. After the first
assignment try
	Test1.C[2] = 'x';
and see if it tells you you can't modify a const string.
-- 
	bill davidsen		(wedu@ge-crd.arpa)
  {uunet | philabs}!steinmetz!crdos1!davidsen
"Stupidity, like virtue, is its own reward" -me