bulk copy of latest physfs to our misc/libphysfs since this seems to fix an off-by-1 error reliably hit in readln read of 1 byte probably introduced in the addition of the buffered read. Whether this is excessive or whether libphysfs should even be maintained by us is another matter. But at least we shouldn't crash
/* BranchARMThumb.c */
#include "BranchARMThumb.h"
UInt32 ARMThumb_Convert(Byte *data, UInt32 size, UInt32 nowPos, int encoding)
{
UInt32 i;
for (i = 0; i + 4 <= size; i += 2)
{
if ((data[i + 1] & 0xF8) == 0xF0 &&
(data[i + 3] & 0xF8) == 0xF8)
{
UInt32 dest;
UInt32 src =
((data[i + 1] & 0x7) << 19) |
(data[i + 0] << 11) |
((data[i + 3] & 0x7) << 8) |
(data[i + 2]);
src <<= 1;
if (encoding)
dest = nowPos + i + 4 + src;
else
dest = src - (nowPos + i + 4);
dest >>= 1;
data[i + 1] = (Byte)(0xF0 | ((dest >> 19) & 0x7));
data[i + 0] = (Byte)(dest >> 11);
data[i + 3] = (Byte)(0xF8 | ((dest >> 8) & 0x7));
data[i + 2] = (Byte)dest;
i += 2;
}
}
return i;
}