Path: utzoo!utgpu!attcan!uunet!husc6!bbn!rochester!kodak!scotty!jwr
From: jwr@scotty.UUCP (Jim Reid)
Newsgroups: comp.lang.c
Subject: Re: Are strings local?
Keywords: Help!
Message-ID: <370@scotty.UUCP>
Date: 4 Aug 88 14:04:50 GMT
References: <644@m10ux.UUCP> <12791@mimsy.UUCP> <652@m10ux.UUCP>
Reply-To: jwr@scotty.UUCP (Jim Reid)
Organization: Systems Integration, Eastman Kodak Co, Rochester, NY
Lines: 31

In article <652@m10ux.UUCP> rgr@m10ux.UUCP (Duke Robillard) writes:
<
<During my search about this locality of statics business, I discovered
<a pretty bizarre thing about strings.  I dunno if it's just my System
<V compiler or what, but you can write to strings (since they're just
<static arrays of characters?) Like:
<
<main() 
<{
<	char *p;
<
<	p= "abc";
<	p[2]= 'd';
<	printf("%s\n", p);   /* this will print "abd\n" */
<
<        /* or, if you'd like to be even more obscure... */
<	(p= "def")[2]= 'x';
<	printf("%s\n", p);   /* this will print "abx\n" */
<}
<
<Pretty weird, huh?

Could just be your compiler.
I tried it on my system(SUN 3/75 with SUN UNIX 4.2 release 3.5) &
got "dex" where you got "abx".

-- 

Jim Reid	{ames,cmcl2,rutgers}!rochester!kodak!fedsys!wally!jwr

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