C++ (Cpp) sp_haserror Examples

Example #1

File: ufs.c Project: BillTheBest/Open-Vertex

static Spfcall*
ufs_read(Spfid *fid, u64 offset, u32 count, Spreq *req)
{
    int n;
    Fid *f;
    Spfcall *ret;

    f = fid->aux;
    ret = sp_alloc_rread(count);
    if (f->dir)
        n = ufs_read_dir(fid, ret->data, offset, count, fid->conn->dotu);
    else {
        n = pread(f->fd, ret->data, count, offset);
        if (n < 0)
            create_rerror(errno);
    }

    if (sp_haserror()) {
        free(ret);
        ret = NULL;
    } else
        sp_set_rread_count(ret, n);

    return ret;
}

Example #2

File: ufs.c Project: Meticulus/vendor_st-ericsson_u8500

static Spfcall*
npfs_read(Spfid *fid, u64 offset, u32 count, Spreq *req)
{
	int n;
	Fid *f;
	Spfcall *ret;

	f = fid->aux;
	ret = sp_alloc_rread(count);
	npfs_change_user(fid->user);
	if (f->dir)
		n = npfs_read_dir(f, ret->data, offset, count, fid->conn->dotu);
	else {
		if(mmapreads) {
			struct stat s;
			n = count;
			if(!f->aux) {
				fstat(f->fd, &s);
				f->aux=mmap(0, s.st_size, PROT_READ, 
						MAP_SHARED, f->fd, 0);
				if(f->aux < 0) {
					create_rerror(errno);
					goto error;	
				}
			}
			if(offset+count > s.st_size)
				n = s.st_size-offset;
			if(n>0)
				memcpy(ret->data, f->aux+offset, n);
			else 
				n = 0;
		} else {
			n = pread(f->fd, ret->data, count, offset);
			if (n < 0)
				create_rerror(errno);
		}
	}

error:
	if (sp_haserror()) {
		free(ret);
		ret = NULL;
	} else
		sp_set_rread_count(ret, n);

	return ret;
}

Example #3

File: file.c Project: BillTheBest/Open-Vertex

static void
xp_file_notify(Spcfd *spcfd, void *a)
{
	int n, ecode;
	char *ename;
	Xpcopy *c;
	Xpfile *f;

	c = a;
	f = c->cfile;

error:
	if (sp_haserror()) {
		sp_rerror(&ename, &ecode);
		if (c->finish)
			(*c->finish)(c, c->finishaux);

//		spcfd_remove(spcfd);
		return;
	}

	if (!spcfd_can_write(spcfd))
		return;

	if (f->pos >= f->buflen) {
		if (!f->path) 
			goto next_file;

		if (f->fd < 0) {
			f->fd = open(f->path, O_RDONLY);
			if (f->fd < 0) {
				sp_uerror(errno);
				goto error;
			}

			f->bufsize = Bufsize;
			f->buf = malloc(f->bufsize);
			if (!f->buf) {
				sp_werror(Enomem, ENOMEM);
				goto error;
			}
		}

		n = read(f->fd, f->buf, f->bufsize);
		if (n < 0) {
			sp_uerror(errno);
			goto error;
		}

		if (n == 0) {
			close(f->fd);
			f->fd = -1;
			free(f->buf);
			f->buf = NULL;
			f->buflen = 0;
			f->bufsize = 0;
			f->pos = 0;
			goto next_file;
		}

		f->buflen = n;
		f->pos = 0;
	}

	n = spcfd_write(spcfd, f->buf + f->pos, f->buflen - f->pos);
	if (n <= 0)
		goto error;

	f->pos += n;
	return;

next_file:
	spcfd_remove(f->spcfd);
	f->spcfd = NULL;
	c->cfile = f->next;
	xp_file_copy(c);
}