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src: add a famous quote

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Markus F.X.J. Oberhumer 2023-08-22 00:37:45 +02:00
parent dd1838a7eb
commit 6eace187e7
3 changed files with 7 additions and 0 deletions
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3
src/conf.h
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@ -108,6 +108,9 @@ inline constexpr bool upx_is_integral_v = upx_is_integral<T>::value;
// protect against integer overflows and malicious header fields
// see C 11 standard, Annex K
//
// this limits uncompressed_size to about 640 MiB which is perfectly fine:
// "640 MiB Ought to be Enough for Anyone" --Markus F.X.J. Oberhumer, 1981 ;-)
typedef size_t upx_rsize_t;
#define UPX_RSIZE_MAX UPX_RSIZE_MAX_MEM
#define UPX_RSIZE_MAX_MEM (768 * 1024 * 1024) // DO NOT CHANGE !!!

1
src/util/membuffer.cpp
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@ -321,6 +321,7 @@ TEST_CASE("MemBuffer::getSizeForCompression") {
CHECK(MemBuffer::getSizeForCompression(1024 * 1024) == 1180160); // 0x00100000
CHECK(MemBuffer::getSizeForCompression(64 * 1024 * 1024) == 75497984); // 0x04000000
CHECK(MemBuffer::getSizeForCompression(512 * 1024 * 1024) == 603980288); // 0x20000000
// "640 MiB Ought to be Enough for Anyone" --Markus F.X.J. Oberhumer, 1981 ;-)
CHECK(MemBuffer::getSizeForCompression(640 * 1024 * 1024) == 754975232); // 0x28000000
}

3
src/util/util.cpp
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@ -42,6 +42,9 @@
// assert sane memory buffer sizes to protect against integer overflows
// and malicious header fields
// see C 11 standard, Annex K
//
// this limits uncompressed_size to about 640 MiB which is perfectly fine:
// "640 MiB Ought to be Enough for Anyone" --Markus F.X.J. Oberhumer, 1981 ;-)
**************************************************************************/
ACC_COMPILE_TIME_ASSERT_HEADER(UPX_RSIZE_MAX_MEM == UPX_RSIZE_MAX)