int Read1NVTFrame(t_sdif_fileinfo *x, FILE *f, char *name, SDIF_FrameHeader *fhp) {
// Just read the frame header, so go through the matrices looking for 1NVTs to print
SDIFresult r;
int i, sz;
SDIF_MatrixHeader mh;
char *buf;
for (i = 0; i < fhp->matrixCount; ++i) {
if (r = SDIF_ReadMatrixHeader(&mh, f)) {
object_error((t_object *)x, NAME ": error reading matrix header: %s", SDIF_GetErrorString(r));
return 0;
}
if (SDIF_Char4Eq("1NVT", mh.matrixType) && mh.matrixDataType == SDIF_UTF8) {
sz = SDIF_GetMatrixDataSize(&mh);
buf = (char *) getbytes(sz);
if (buf == 0) {
object_error((t_object *)x, NAME ": out of memory; can't read name/value table");
return 0;
}
if (r = SDIF_ReadMatrixData((void *) buf, f, &mh)) {
object_error((t_object *)x, NAME ": error reading 1NVT matrix data: %s", SDIF_GetErrorString(r));
return 0;
}
//post("Name/value table:");
//post("%s", buf);
SDIFfileinfo_output1NVT(x, buf, fhp);
freebytes(buf, sz);
} else {
if (SDIF_Char4Eq("1NVT", mh.matrixType)) {
object_post((t_object *)x, NAME ": 1NVT matrix has unexpected matrix data type 0x%x; skipping", mh.matrixDataType);
}
if (r = SDIF_SkipMatrix(&mh, f)) {
object_error((t_object *)x, NAME ": error skipping 1NVT matrix: %s", SDIF_GetErrorString(r));
return 0;
}
}
}
}
SDIFresult SDIFmem_ReadFrameContents(SDIF_FrameHeader *head, FILE *f,
SDIFmem_Frame *putithere)
{
/* The user has just read the header for this frame; now we have to read
all the frame's matrices, put them in an SDIFmem_Matrix linked list,
and then stuff everything into an SDIFmem_Frame. */
SDIFresult r;
SDIFmem_Frame result;
SDIFmem_Matrix matrix;
int i, sz;
SDIFmem_Matrix *prevNextPtr;
result = (SDIFmem_Frame) (*my_malloc)(sizeof(*result));
if (result == 0) {
return ESDIF_OUT_OF_MEMORY;
}
result->header = *head;
result->prev = 0;
result->next = 0;
result->matrices = 0;
prevNextPtr = &(result->matrices);
for (i = 0; i < head->matrixCount; ++i) {
matrix = SDIFmem_CreateEmptyMatrix();
if (matrix == 0) {
SDIFmem_FreeFrame(result);
return ESDIF_OUT_OF_MEMORY;
}
/* Get the linked list pointers right. Now if we bomb out
and call SDIFmem_FreeFrame(result) it will free the matrix
we just allocated */
*(prevNextPtr) = matrix;
prevNextPtr = &(matrix->next);
matrix->next = 0;
if ((r = SDIF_ReadMatrixHeader(&(matrix->header), f))!=ESDIF_SUCCESS) {
SDIFmem_FreeFrame(result);
return r;
}
sz = SDIF_GetMatrixDataSize(&(matrix->header));
if (sz == 0) {
matrix->data = NULL;
}
else {
matrix->data = (*my_malloc)(sz);
if (matrix->data == NULL) {
SDIFmem_FreeFrame(result);
return ESDIF_OUT_OF_MEMORY;
}
}
/* COVERITY: what if sz=0? dereferences null */
if (sz != 0)
if ((r = SDIF_ReadMatrixData(matrix->data, f,
&(matrix->header)))!=ESDIF_SUCCESS) {
SDIFmem_FreeFrame(result);
return r;
}
}
*putithere = result;
return ESDIF_SUCCESS;
}
