/*
* Verify that the given directory exists and is empty. If it does not
* exist, it is created. If it exists but is not empty, an error will
* be give and the process ended.
*/
static void
verify_dir_is_empty_or_create(char *dirname)
{
switch (pg_check_dir(dirname))
{
case 0:
/*
* Does not exist, so create
*/
if (pg_mkdir_p(dirname, S_IRWXU) == -1)
{
fprintf(stderr,
_("%s: could not create directory \"%s\": %s\n"),
progname, dirname, strerror(errno));
disconnect_and_exit(1);
}
return;
case 1:
/*
* Exists, empty
*/
return;
case 2:
case 3:
case 4:
/*
* Exists, not empty
*/
fprintf(stderr,
_("%s: directory \"%s\" exists but is not empty\n"),
progname, dirname);
disconnect_and_exit(1);
case -1:
/*
* Access problem
*/
fprintf(stderr, _("%s: could not access directory \"%s\": %s\n"),
progname, dirname, strerror(errno));
disconnect_and_exit(1);
}
}
/*
* make the data directory (or one of its subdirectories if subdir is not NULL)
*/
static bool
mkdatadir(const char *subdir)
{
char *path;
path = pg_malloc(strlen(pg_data) + 2 +
(subdir == NULL ? 0 : strlen(subdir)));
if (subdir != NULL)
sprintf(path, "%s/%s", pg_data, subdir);
else
strcpy(path, pg_data);
if (pg_mkdir_p(path, S_IRWXU) == 0)
return true;
fprintf(stderr, _("%s: could not create directory \"%s\": %s\n"),
progname, path, strerror(errno));
return false;
}