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Rework osdfunc_fileinfo() 

git-svn-id: https://svn.eduke32.com/eduke32@7150 1a8010ca-5511-0410-912e-c29ae57300e0
This commit is contained in:
terminx 2018-11-18 18:05:51 +00:00
parent 14f1ea1c05
commit a35ffd976f
1 changed files with 27 additions and 18 deletions
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45
source/build/src/osd.cpp
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@ -270,52 +270,61 @@ static int osdfunc_echo(osdfuncparm_t const * const parm)
static int osdfunc_fileinfo(osdfuncparm_t const * const parm)
{
int32_t i,j;
if (parm->numparms != 1) return OSDCMD_SHOWHELP;
if ((i = kopen4load(parm->parms[0],0)) < 0)
int32_t h;
if ((h = kopen4load(parm->parms[0],0)) < 0)
{
OSD_Printf("fileinfo: File \"%s\" not found.\n", parm->parms[0]);
return OSDCMD_OK;
}
char buf[256];
uint32_t length = kfilelength(i);
int32_t crctime = timerGetTicks();
uint32_t crc = 0;
int32_t crctime = timerGetTicks();
uint32_t crcval = 0;
int32_t siz = 0;
static constexpr int ReadSize = 65536;
auto *buf = (uint8_t *)Xmalloc(ReadSize);
do
{
j = kread(i,buf,256);
crc = Bcrc32((uint8_t *)buf,j,crc);
siz = kread(h, buf, ReadSize);
crcval = Bcrc32((uint8_t *)buf, siz, crcval);
}
while (j == 256);
while (siz == ReadSize);
crctime = timerGetTicks() - crctime;
klseek(i, 0, BSEEK_SET);
klseek(h, 0, BSEEK_SET);
int32_t xxhtime = timerGetTicks();
XXH32_state_t xxh;
XXH32_reset(&xxh, 0x1337);
do
{
j = kread(i, buf, 256);
XXH32_update(&xxh, (uint8_t *) buf, j);
siz = kread(h, buf, ReadSize);
XXH32_update(&xxh, (uint8_t *)buf, siz);
}
while (j == 256);
uint32_t xxhash = XXH32_digest(&xxh);
while (siz == ReadSize);
uint32_t const xxhash = XXH32_digest(&xxh);
xxhtime = timerGetTicks() - xxhtime;
kclose(i);
Bfree(buf);
OSD_Printf("fileinfo: %s\n"
" File size: %d\n"
" CRC-32: %08X (%g sec)\n"
" xxHash: %08X (%g sec)\n",
parm->parms[0], length,
crc, (double)crctime/timerGetFreq(),
parm->parms[0], kfilelength(h),
crcval, (double)crctime/timerGetFreq(),
xxhash, (double)xxhtime/timerGetFreq());
kclose(h);
return OSDCMD_OK;
}