PHYSFS_sint64 __PHYSFS_platformWrite(void *opaque, const void *buffer,
PHYSFS_uint64 len)
{
const int fd = *((int *) opaque);
ssize_t rc = 0;
if (!__PHYSFS_ui64FitsAddressSpace(len))
BAIL_MACRO(PHYSFS_ERR_INVALID_ARGUMENT, -1);
rc = write(fd, (void *) buffer, (size_t) len);
BAIL_IF_MACRO(rc == -1, errcodeFromErrno(), rc);
assert(rc >= 0);
assert(rc <= len);
return (PHYSFS_sint64) rc;
} /* __PHYSFS_platformWrite */
PHYSFS_sint64 __PHYSFS_platformRead(void *opaque, void *buf, PHYSFS_uint64 len)
{
HANDLE Handle = ((WinApiFile *)opaque)->handle;
PHYSFS_sint64 totalRead = 0;
if (!__PHYSFS_ui64FitsAddressSpace(len))
BAIL_MACRO(PHYSFS_ERR_INVALID_ARGUMENT, -1);
while (len > 0)
{
const DWORD thislen = (len > 0xFFFFFFFF) ? 0xFFFFFFFF : (DWORD)len;
DWORD numRead = 0;
if (!ReadFile(Handle, buf, thislen, &numRead, NULL))
BAIL_MACRO(errcodeFromWinApi(), -1);
len -= (PHYSFS_uint64)numRead;
totalRead += (PHYSFS_sint64)numRead;
if (numRead != thislen)
break;
} /* while */
return totalRead;
} /* __PHYSFS_platformRead */
PHYSFS_sint64 __PHYSFS_platformWrite(void *opaque, const void *buffer,
PHYSFS_uint64 len)
{
HANDLE Handle = ((WinApiFile *)opaque)->handle;
PHYSFS_sint64 totalWritten = 0;
if (!__PHYSFS_ui64FitsAddressSpace(len))
BAIL_MACRO(PHYSFS_ERR_INVALID_ARGUMENT, -1);
while (len > 0)
{
const DWORD thislen = (len > 0xFFFFFFFF) ? 0xFFFFFFFF : (DWORD)len;
DWORD numWritten = 0;
if (!WriteFile(Handle, buffer, thislen, &numWritten, NULL))
BAIL_MACRO(errcodeFromWinApi(), -1);
len -= (PHYSFS_uint64)numWritten;
totalWritten += (PHYSFS_sint64)numWritten;
if (numWritten != thislen)
break;
} /* while */
return totalWritten;
} /* __PHYSFS_platformWrite */
void *__PHYSFS_platformAllocatorRealloc(void *ptr, PHYSFS_uint64 s)
{
BAIL_IF_MACRO(__PHYSFS_ui64FitsAddressSpace(s), ERR_OUT_OF_MEMORY, NULL);
#undef realloc
return(realloc(ptr, (size_t) s));
} /* __PHYSFS_platformRealloc */
void *__PHYSFS_platformAllocatorMalloc(PHYSFS_uint64 s)
{
BAIL_IF_MACRO(__PHYSFS_ui64FitsAddressSpace(s), ERR_OUT_OF_MEMORY, NULL);
#undef malloc
return(malloc((size_t) s));
} /* __PHYSFS_platformMalloc */
