static int test_version(struct libmnt_test *ts, int argc, char *argv[])
{
const char *ver;
const char **features;
if (argc == 2)
printf("Your version: %d\n",
mnt_parse_version_string(argv[1]));
mnt_get_library_version(&ver);
printf("Library version: %s\n", ver);
printf("Library API version: " LIBMOUNT_VERSION "\n");
printf("Library features:");
mnt_get_library_features(&features);
while (features && *features)
printf(" %s", *features++);
printf("\n");
if (mnt_get_library_version(NULL) ==
mnt_parse_version_string(LIBMOUNT_VERSION))
return 0;
return -1;
}
/**
* mnt_init_debug:
* @mask: debug mask (0xffff to enable full debugging)
*
* If the @mask is not specified, then this function reads
* the LIBMOUNT_DEBUG environment variable to get the mask.
*
* Already initialized debugging stuff cannot be changed. Calling
* this function twice has no effect.
*/
void mnt_init_debug(int mask)
{
if (libmount_debug_mask)
return;
__UL_INIT_DEBUG(libmount, MNT_DEBUG_, mask, LIBMOUNT_DEBUG);
if (libmount_debug_mask != MNT_DEBUG_INIT
&& libmount_debug_mask != (MNT_DEBUG_HELP|MNT_DEBUG_INIT)) {
const char *ver = NULL;
const char **features = NULL, **p;
mnt_get_library_version(&ver);
mnt_get_library_features(&features);
DBG(INIT, ul_debug("library debug mask: 0x%04x", libmount_debug_mask));
DBG(INIT, ul_debug("library version: %s", ver));
p = features;
while (p && *p)
DBG(INIT, ul_debug(" feature: %s", *p++));
}
ON_DBG(HELP, ul_debug_print_masks("LIBMOUNT_DEBUG",
UL_DEBUG_MASKNAMES(libmount)));
}
static void __attribute__((__noreturn__)) print_version(void)
{
const char *ver = NULL;
const char **features = NULL, **p;
mnt_get_library_version(&ver);
mnt_get_library_features(&features);
printf(_("%s from %s (libmount %s"),
program_invocation_short_name,
PACKAGE_STRING,
ver);
p = features;
while (p && *p) {
fputs(p == features ? ": " : ", ", stdout);
fputs(*p++, stdout);
}
fputs(")\n", stdout);
exit(MOUNT_EX_SUCCESS);
}