static int
read_osinfo_db_directory (guestfs_h *g, const char *directory)
{
DIR *dir;
int r;
dir = opendir (directory);
if (!dir) {
debug (g, "osinfo: %s: %s", directory, strerror (errno));
return 0; /* This is not an error: RHBZ#948324. */
}
for (;;) {
struct dirent *d;
errno = 0;
d = readdir (dir);
if (!d) break;
if (STRSUFFIX (d->d_name, ".xml")) {
CLEANUP_FREE char *pathname = NULL;
pathname = safe_asprintf (g, "%s/%s", directory, d->d_name);
r = read_osinfo_db_xml (g, pathname);
if (r == -1)
goto error;
}
}
/* Check for failure in readdir. */
if (errno != 0) {
perrorf (g, "readdir: %s", directory);
goto error;
}
/* Close the directory handle. */
r = closedir (dir);
dir = NULL;
if (r == -1) {
perrorf (g, "closedir: %s", directory);
goto error;
}
return 1;
error:
if (dir)
closedir (dir);
return -1;
}
static int
read_osinfo_db (guestfs_h *g)
{
DIR *dir = NULL;
struct dirent *d;
int r;
size_t i;
assert (osinfo_db_size == 0);
dir = opendir (LIBOSINFO_DB_OS_PATH);
if (!dir) {
debug (g, "osinfo: %s: %s", LIBOSINFO_DB_OS_PATH, strerror (errno));
return 0; /* This is not an error: RHBZ#948324. */
}
debug (g, "osinfo: loading database from %s", LIBOSINFO_DB_OS_PATH);
for (;;) {
errno = 0;
d = readdir (dir);
if (!d) break;
if (STRSUFFIX (d->d_name, ".xml")) {
r = read_osinfo_db_xml (g, d->d_name);
if (r == -1)
goto error;
}
}
/* Check for failure in readdir. */
if (errno != 0) {
perrorf (g, "readdir: %s", LIBOSINFO_DB_OS_PATH);
goto error;
}
/* Close the directory handle. */
r = closedir (dir);
dir = NULL;
if (r == -1) {
perrorf (g, "closedir: %s", LIBOSINFO_DB_OS_PATH);
goto error;
}
return 0;
error:
if (dir)
closedir (dir);
/* Fatal error: free any database entries which have been read, and
* mark the database as having a permanent error.
*/
if (osinfo_db_size > 0) {
for (i = 0; i < (size_t) osinfo_db_size; ++i)
free_osinfo_db_entry (&osinfo_db[i]);
}
free (osinfo_db);
osinfo_db = NULL;
osinfo_db_size = -1;
return -1;
}
