Lines Matching refs:numBytes
111 mem_read(void* cookie, off_t position, void* buffer, size_t* numBytes)
119 *numBytes = 0;
123 area = mem_map_target(position, *numBytes, B_READ_AREA, &virtualAddress);
125 *numBytes = 0;
129 if (user_memcpy(buffer, virtualAddress, *numBytes) != B_OK)
138 mem_write(void* cookie, off_t position, const void* buffer, size_t* numBytes)
146 *numBytes = 0;
150 area = mem_map_target(position, *numBytes, B_WRITE_AREA, &virtualAddress);
152 *numBytes = 0;
156 if (user_memcpy(virtualAddress, buffer, *numBytes) != B_OK)