extern char **environ;
-char *index();
+char *strchr();
char *malloc();
/****************************************************************/
{
unsigned length;
unsigned size;
+ char *temp;
char **p;
char **new_environ;
/* Find the length of the "NAME=" */
- if ( (length=(unsigned) index(entry,'=')) == NULL )
+ temp = strchr(entry,'=');
+ if ( temp == 0 )
return( -1 );
- length = length - (unsigned) entry + 1;
+ length = (unsigned) (temp - entry + 1);
/* Scan through the environment looking for "NAME=" */
if ( strncmp( entry, *p, length ) == 0 )
{
*p = entry;
- return( NULL );
+ return( 0 );
}
new_environ = (char **) malloc( (size+2)*PSIZE );
- if ( new_environ == NULL )
+ if ( new_environ == (char **) NULL )
return( -1 );
- bcopy( (char *) environ, (char *) new_environ, size*PSIZE );
+ memcpy ((char *) new_environ, (char *) environ, size*PSIZE );
new_environ[size] = entry;
new_environ[size+1] = NULL;
environ = new_environ;
- return(NULL);
+ return(0);
}