Tue 2004-01-27 15:42, Bo Simonsen (2:236/100) wrote to Len Philpot:

 BS> /* Precondition: A pointer to chars
 BS>    Postcondition: A pointer which is pointed to a copy of 'precondition' 
 BS>                   if !precondtion NULL is returned
 BS>    Invariant: Precondition != NULL
 BS> */

 BS> char* strdup(char* text)
 BS> {
 BS>         char* tmptext = NULL;

 BS>         if(text) /* if text is not NULL */
 BS>         {
 BS>                 tmptext = malloc(strlen(text)+1); 
 BS>                 /* allokate the lenght of text and 1 extra char for the 
 BS>                    string NULL termination */

                     if (tmptext == NULL)
                         return NULL;

 BS>                 strcpy(tmptext, text);
 BS>         }

 BS>         return tmptext;
 BS> }

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