Vlnk/src/vlnk.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <stdint.h>
   4 #include <string.h>
   5 #include "vlnk.h"
   6
   7 int ventoy_create_vlnk(uint32_t disksig, uint64_t partoffset, const char *path, ventoy_vlnk *vlnk)
   8 {
   9     uint32_t crc;
  10     ventoy_guid guid = VENTOY_GUID;
  11
  12     memcpy(&(vlnk->guid), &guid, sizeof(ventoy_guid));
  13     vlnk->disk_signature = disksig;
  14     vlnk->part_offset = partoffset;
  15
  16 #ifdef WIN32
  17     strcpy_s(vlnk->filepath, sizeof(vlnk->filepath) - 1, path);
  18 #else
  19     strncpy(vlnk->filepath, path, sizeof(vlnk->filepath) - 1);
  20 #endif
  21
  22     crc = ventoy_getcrc32c(0, vlnk, sizeof(ventoy_vlnk));
  23     vlnk->crc32 = crc;
  24
  25     return 0;
  26 }
  27
  28
  29 int CheckVlnkData(ventoy_vlnk *vlnk)
  30 {
  31     uint32_t readcrc, calccrc;
  32     ventoy_guid guid = VENTOY_GUID;
  33
  34     if (memcmp(&vlnk->guid, &guid, sizeof(guid)))
  35     {
  36         return 0;
  37     }
  38
  39     readcrc = vlnk->crc32;
  40     vlnk->crc32 = 0;
  41     calccrc = ventoy_getcrc32c(0, vlnk, sizeof(ventoy_vlnk));
  42
  43     if (readcrc != calccrc)
  44     {
  45         return 0;
  46     }
  47
  48     return 1;
  49 }
  50
  51 int IsSupportedImgSuffix(char *suffix)
  52 {
  53     int i = 0;
  54     const char *suffixs[] =
  55     {
  56         ".iso", ".img", ".wim", ".efi", ".vhd", ".vhdx", ".dat", ".vtoy", NULL
  57     };
  58
  59     if (!suffix)
  60     {
  61         return 0;
  62     }
  63
  64     while (suffixs[i])
  65     {
  66
  67 #ifdef WIN32
  68         if (_stricmp(suffixs[i], suffix) == 0)
  69 #else
  70         if (strcasecmp(suffixs[i], suffix) == 0)
  71 #endif
  72         {
  73             return 1;
  74         }
  75
  76         i++;
  77     }
  78
  79     return 0;
  80 }