2.11BSD#431 - /usr/src/lib/libc/gen/strdup.c

   1: /*
   2:  * Copyright (c) 1988 The Regents of the University of California.
   3:  * All rights reserved.
   4:  *
   5:  * Redistribution and use in source and binary forms are permitted
   6:  * provided that the above copyright notice and this paragraph are
   7:  * duplicated in all such forms and that any documentation,
   8:  * advertising materials, and other materials related to such
   9:  * distribution and use acknowledge that the software was developed
  10:  * by the University of California, Berkeley.  The name of the
  11:  * University may not be used to endorse or promote products derived
  12:  * from this software without specific prior written permission.
  13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
  14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  16:  */
  17: 
  18: #if defined(LIBC_SCCS) && !defined(lint)
  19: static char sccsid[] = "@(#)strdup.c	5.1 (Berkeley) 12/12/88";
  20: #endif /* LIBC_SCCS and not lint */
  21: 
  22: #include <sys/types.h>
  23: #include <stdio.h>
  24: 
  25: char *
  26: strdup(str)
  27:     char *str;
  28: {
  29:     int len;
  30:     char *copy, *malloc();
  31: 
  32:     len = strlen(str) + 1;
  33:     if (!(copy = malloc((u_int)len)))
  34:         return((char *)NULL);
  35:     bcopy(str, copy, len);
  36:     return(copy);
  37: }

Defined functions

Defined variables