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121 lines
2.7 KiB
C
121 lines
2.7 KiB
C
/******************************************************************************
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* vtoycli.c
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*
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* Copyright (c) 2021, longpanda <admin@ventoy.net>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include <stdio.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <errno.h>
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#include <time.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/mman.h>
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#include <sys/ioctl.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <dirent.h>
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#include "vtoycli.h"
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void ventoy_gen_preudo_uuid(void *uuid)
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{
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int i;
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int fd;
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fd = open("/dev/urandom", O_RDONLY);
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if (fd < 0)
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{
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srand(time(NULL));
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for (i = 0; i < 8; i++)
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{
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*((uint16_t *)uuid + i) = (uint16_t)(rand() & 0xFFFF);
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}
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}
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else
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{
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read(fd, uuid, 16);
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close(fd);
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}
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}
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UINT64 get_disk_size_in_byte(const char *disk)
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{
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int fd;
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int rc;
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const char *pos = disk;
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unsigned long long size = 0;
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char diskpath[256] = {0};
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char sizebuf[64] = {0};
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if (strncmp(disk, "/dev/", 5) == 0)
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{
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pos = disk + 5;
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}
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// Try 1: get size from sysfs
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snprintf(diskpath, sizeof(diskpath) - 1, "/sys/block/%s/size", pos);
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if (access(diskpath, F_OK) >= 0)
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{
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fd = open(diskpath, O_RDONLY);
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if (fd >= 0)
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{
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read(fd, sizebuf, sizeof(sizebuf));
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size = strtoull(sizebuf, NULL, 10);
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close(fd);
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return (size * 512);
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}
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}
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else
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{
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printf("%s not exist \n", diskpath);
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}
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printf("disk %s size %llu bytes\n", disk, (unsigned long long)size);
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return size;
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}
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int main(int argc, char **argv)
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{
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if (argc < 2)
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{
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return 1;
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}
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else if (strcmp(argv[1], "fat") == 0)
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{
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return vtoyfat_main(argc - 1, argv + 1);
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}
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else if (strcmp(argv[1], "gpt") == 0)
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{
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return vtoygpt_main(argc - 1, argv + 1);
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}
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else if (strcmp(argv[1], "partresize") == 0)
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{
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return partresize_main(argc - 1, argv + 1);
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}
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else
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{
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return 1;
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}
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}
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