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SFL Version 2.11 |
#include "sfldir.h" int free_dir (DIRST *dir)
Frees all strings used in the DIRST. You should call this function to free space allocated by fix dir(). If you try to call free dir() for a DIRST that was not fixed, you will get an error feedback, and (if you compiled with DEBUG defined) an assertion fault. Returns 0 if okay, -1 if there was an error. After a call to free dir(), do not try to access the strings in DIRST; they are all set to point to an empty string.
{ static char *empty = ""; ASSERT (dir-> _fixed); if (dir-> _fixed) { /* Free allocated strings */ mem_free (dir-> owner); mem_free (dir-> group); mem_free (dir-> file_name); /* Now point the strings to an empty string */ dir-> owner = empty; dir-> group = empty; dir-> file_name = empty; /* And mark the DIRST as no longer 'fixed' */ dir-> _fixed = FALSE; return (0); } else return (-1); }
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