Make all bucket and overflow addresses unsigned

[unix-history] / usr / src / lib / libc / stdlib / putenv.c

/*-
* Copyright (c) 1988 The Regents of the University of California.
* All rights reserved.
*
* %sccs.include.redist.c%
*/

#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)putenv.c    5.4 (Berkeley) %G%";
#endif /* LIBC_SCCS and not lint */

#include <stdlib.h>
#include <string.h>

int
putenv(str)
       const char *str;
{
       register char *p, *equal;
       int rval;

       if (!(p = strdup(str)))
               return(1);
       if (!(equal = index(p, '='))) {
               (void)free(p);
               return(1);
       }
       *equal = '\0';
       rval = setenv(p, equal + 1, 1);
       (void)free(p);
       return(rval);
}