[ILUG] C string concat question ??

[Sean McGrath - Sun Microsystems Ireland]

Kenn Humborg stated:
< > On Wed, May 02, 2001 at 06:09:29PM +0100 or thereabouts, Kenn 
< > Humborg wrote:
< > >    msg = malloc(strlen(strvar1) + strlen(strvar2) + 1);
< > >    if (msg == NULL) {
< > >        /* argh */
< > >    } else {
< > >       strcpy(msg, strvar1);
< > >       strcat(msg, strvar2);
< > >    }
< > 
< > and if you've a variable number of variables to concat like argv[*] you
< > could go with
< > 
< > MSG_SIZE=1;
< > for (i=0; i<argc; i++) {
< >   MSG_SIZE += strlen(argv[i]);
< > }
< > 
< > msg = malloc(MSG_SIZE);
< 
< Sigh...
< 
<    msg = malloc(MSG_SIZE+1);

  err, isn't that why hes set MSG_SIZE=1; at the start ????

< 
< Later,
< Kenn
< 
< 
< -- 
< Irish Linux Users' Group: ilug at linux.ie
< http://www.linux.ie/mailman/listinfo/ilug for (un)subscription information.
< List maintainer: listmaster at linux.ie

-- 
Sean.
.
At the mo its Incognito Pieces Of A Dream