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Remove W_VerifyFileMD5

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Eidolon 2025-03-17 12:57:29 -05:00
parent 5c85a0a578
commit 9f40034536
2 changed files with 0 additions and 53 deletions
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51
src/w_wad.cpp
View file

@ -2148,57 +2148,6 @@ static void PrintMD5String(const UINT8 *md5, char *buf)
md5[12], md5[13], md5[14], md5[15]);
}
#endif
/** Verifies a file's MD5 is as it should be.
* For releases, used as cheat prevention -- if the MD5 doesn't match, a
* fatal error is thrown. In debug mode, an MD5 mismatch only triggers a
* warning.
*
* \param wadfilenum Number of the loaded wad file to check.
* \param matchmd5 The MD5 sum this wad should have, expressed as a
* textual string.
* \author Graue <graue@oceanbase.org>
*/
void W_VerifyFileMD5(UINT16 wadfilenum, const char *matchmd5)
{
#ifdef NOMD5
(void)wadfilenum;
(void)matchmd5;
#else
UINT8 realmd5[MD5_LEN];
INT32 ix;
I_Assert(strlen(matchmd5) == 2*MD5_LEN);
I_Assert(wadfilenum < numwadfiles);
// Convert an md5 string like "7d355827fa8f981482246d6c95f9bd48"
// into a real md5.
for (ix = 0; ix < 2*MD5_LEN; ix++)
{
INT32 n, c = matchmd5[ix];
if (isdigit(c))
n = c - '0';
else
{
I_Assert(isxdigit(c));
if (isupper(c)) n = c - 'A' + 10;
else n = c - 'a' + 10;
}
if (ix & 1) realmd5[ix>>1] = (UINT8)(realmd5[ix>>1]+n);
else realmd5[ix>>1] = (UINT8)(n<<4);
}
if (memcmp(realmd5, wadfiles[wadfilenum]->md5sum, 16))
{
char actualmd5text[2*MD5_LEN+1];
PrintMD5String(wadfiles[wadfilenum]->md5sum, actualmd5text);
#ifdef _DEBUG
CONS_Printf
#else
I_Error
#endif
(M_GetText("File is old, is corrupt or has been modified: %s (found md5: %s, wanted: %s)\n"), wadfiles[wadfilenum]->filename, actualmd5text, matchmd5);
}
#endif
}
// Verify versions for different archive
// formats. checklist assumed to be valid.

2
src/w_wad.h
View file

@ -222,8 +222,6 @@ void *W_CacheSoftwarePatchNum(lumpnum_t lumpnum, INT32 tag);
void W_UnlockCachedPatch(void *patch);
void W_VerifyFileMD5(UINT16 wadfilenum, const char *matchmd5);
int W_VerifyNMUSlumps(const char *filename, boolean exit_on_error);
/// Initialize non-legacy GL shader lookup, which lives outside the lump management system.