mbx_default.c
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#include <mailbox.h>
#include <string.h>
#include <stdlib.h>
#include <paths.h>
#include <errno.h>
#include <stdio.h>
#ifndef _PATH_MAILDIR
# define _PATH_MAILDIR "/var/spool/mail"
#endif
int
mailbox_create_default (mailbox_t *pmbox, const char *mail)
{
const char *user = NULL;
if (pmbox == NULL)
return EINVAL;
if (mail == NULL)
mail = getenv ("MAIL");
if (mail)
{
/* Is it a fullpath ? */
if (mail[0] != '/')
{
/* Is it a URL ? */
if (strchr (mail, ':') == NULL)
{
/* A user name. */
user = mail;
mail = NULL;
}
}
}
if (mail == NULL)
{
int status;
char *mail0;
if (user == NULL)
{
user = (getenv ("LOGNAME")) ? getenv ("LOGNAME") : getenv ("USER");
if (user == NULL)
{
fprintf (stderr, "Who am I ?\n");
return EINVAL;
}
}
mail0 = malloc (strlen (user) + strlen (_PATH_MAILDIR) + 2);
if (mail0 == NULL)
return ENOMEM;
sprintf (mail0, "%s/%s", _PATH_MAILDIR, user);
status = mailbox_create (pmbox, mail0, 0);
free (mail0);
return status;
}
return mailbox_create (pmbox, mail, 0);
}