JNIEXPORT jint JNICALL
Java_hdf_hdflib_HDFLibrary_Vfindclass
(JNIEnv *env, jclass clss, jlong file_id, jstring vgclassname)
{
int32 rval = -1;
const char * vgcn;
PIN_JAVA_STRING(vgclassname, vgcn);
if (vgcn != NULL) {
rval = Vfindclass((int32)file_id, (char *)vgcn);
UNPIN_JAVA_STRING(vgclassname, vgcn);
if (rval == FAIL)
CALL_ERROR_CHECK();
}
return rval;
}
static void
test_undefined(void)
{
int32 status; /* Status values from routines */
int32 file_id; /* File ID */
int32 vg1; /* Vdata ID */
int32 ref; /* Vdata ref */
intn is_internal; /* to test Vgisinternal */
uint16 name_len; /* Length of a vgroup's name or class name */
/* to simulate calls to Vgetclass/Vgetname in older applications */
char vgname[VGNAMELENMAX+1], vgclass[VGNAMELENMAX+1];
/* Open the HDF file. */
file_id = Hopen(NONAMECLASS, DFACC_CREATE, 0);
CHECK_VOID(file_id,FAIL,"Hopen");
/* Initialize HDF for subsequent vgroup/vdata access. */
status = Vstart(file_id);
CHECK_VOID(status,FAIL,"Vstart");
/* Create a vgroup which will have name set but not class */
vg1 = Vattach(file_id, -1, "w");
CHECK_VOID(vg1,FAIL,"VSattach");
status=Vsetname(vg1, VG_LONGNAME);
CHECK_VOID(status,FAIL,"VSsetname");
status = Vdetach(vg1);
CHECK_VOID(status,FAIL,"Vdetach");
/* Create another vgroup which will have class but not name */
vg1 = Vattach(file_id, -1, "w");
CHECK_VOID(vg1,FAIL,"VSattach");
status=Vsetclass(vg1, VG_LONGCLASS);
CHECK_VOID(status,FAIL,"VSsetname");
status = Vdetach(vg1);
CHECK_VOID(status,FAIL,"Vdetach");
status = Vend(file_id);
CHECK_VOID(status,FAIL,"Vend");
status = Hclose(file_id);
CHECK_VOID(status,FAIL,"Hclose");
/* Re-open the HDF file. */
file_id = Hopen(NONAMECLASS, DFACC_RDWR, 0);
CHECK_VOID(file_id,FAIL,"Hopen");
/* Initialize HDF for subsequent vgroup/vdata access. */
status = Vstart(file_id);
CHECK_VOID(status,FAIL,"Vstart");
/* Find the long name vgroup. */
ref=Vfind(file_id,VG_LONGNAME);
CHECK_VOID(ref,FAIL,"VSfind");
vg1 = Vattach(file_id, ref, "r");
CHECK_VOID(vg1,FAIL,"VSattach");
/* Test Vgisinternal */
is_internal = Vgisinternal(vg1);
CHECK_VOID(is_internal, FAIL, "Vgisinternal");
VERIFY_VOID(is_internal, FALSE, "Vgisinternal");
/* Try getting the vgroup's class without calling first Vgetclassnamelen.
This shows that bug HDFFR-1288 is fixed. */
status=Vgetclass(vg1, vgclass);
CHECK_VOID(status,FAIL,"Vgetclass");
VERIFY_VOID(HDstrlen(vgclass), 0, "VSgetclass");
/* The length of the class name should be 0 */
status = Vgetclassnamelen(vg1, &name_len);
CHECK_VOID(status,FAIL,"Vgetclassnamelen");
VERIFY_VOID(name_len, 0, "VSgetclassnamelen");
status = Vdetach(vg1);
CHECK_VOID(status,FAIL,"Vdetach");
/* Find the vgroup with class VG_LONGCLASS. This vgroup doesn't have a name */
ref=Vfindclass(file_id, VG_LONGCLASS);
CHECK_VOID(ref,FAIL,"VSfindclass");
vg1 = Vattach(file_id, ref, "r");
CHECK_VOID(vg1,FAIL,"VSattach");
/* Try getting the vgroup's name without calling first Vgetclassnamelen.
Similar to class name in bug HDFFR-1288. */
status=Vgetname(vg1, vgname);
CHECK_VOID(status,FAIL,"Vgetname");
VERIFY_VOID(HDstrlen(vgname), 0, "VSgetname");
/* The length of the name should be 0 */
status = Vgetnamelen(vg1, &name_len);
CHECK_VOID(status,FAIL,"Vgetnamelen");
VERIFY_VOID(name_len, 0, "VSgetnamelen");
status = Vdetach(vg1);
CHECK_VOID(status,FAIL,"Vdetach");
status = Vend(file_id);
CHECK_VOID(status,FAIL,"Vend");
status = Hclose(file_id);
CHECK_VOID(status,FAIL,"Hclose");
} /* test_undefined() */