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Annotation of 43BSDReno/lib/libc/string/strdup.c, revision 1.1.1.1

1.1       root        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: (1) source distributions retain this entire copyright
                      7:  * notice and comment, and (2) distributions including binaries display
                      8:  * the following acknowledgement:  ``This product includes software
                      9:  * developed by the University of California, Berkeley and its contributors''
                     10:  * in the documentation or other materials provided with the distribution
                     11:  * and in all advertising materials mentioning features or use of this
                     12:  * software. Neither the name of the University nor the names of its
                     13:  * contributors may be used to endorse or promote products derived
                     14:  * from this software without specific prior written permission.
                     15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     16:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     18:  */
                     19: 
                     20: #if defined(LIBC_SCCS) && !defined(lint)
                     21: static char sccsid[] = "@(#)strdup.c   5.3 (Berkeley) 6/1/90";
                     22: #endif /* LIBC_SCCS and not lint */
                     23: 
                     24: #include <sys/types.h>
                     25: #include <stddef.h>
                     26: #include <string.h>
                     27: 
                     28: 
                     29: char *
                     30: strdup(str)
                     31:        char *str;
                     32: {
                     33:        int len;
                     34:        char *copy, *malloc();
                     35: 
                     36:        len = strlen(str) + 1;
                     37:        if (!(copy = malloc((u_int)len)))
                     38:                return((char *)NULL);
                     39:        bcopy(str, copy, len);
                     40:        return(copy);
                     41: }

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