linux下获取硬盘序列号、U盘序列号的C源码

#include <stdio.h> #include <string.h> #include <stdlib.h> #include <sys/ioctl.h> #include <linux/hdreg.h> #include <fcntl.h> #include <errno.h> int get_hd_sn(const char* szDevName, char* szSN, size_t nLimit) { struct hd_driveid id; int nRtn = -1; int fd = open(szDevName, O_RDONLY|O_NONBLOCK); while(1) { if (fd < 0) { perror(szDevName); break; } if(!ioctl(fd, HDIO_GET_IDENTITY, &id)) { printf("serial_no = %s\n", id.serial_no); strncpy(szSN, id.serial_no, nLimit); printf("Model Number=%s\n",id.model); nRtn = 0; } break; } return nRtn; } int main(int argc, char *argv[]) { char serialNum[128]; memset(serialNum, 0, sizeof(serialNum)); get_hd_sn(argv[1], serialNum, 128); printf("serial = %s\n", serialNum); return 0; }