Draft standards C89 The ANSI standard. C23 the most recent draft. Notes and quotes on C standard. Three modest proposals for fixing the C standard.
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Kuth’s Merge Sort in C
Taken from Knuth Algorithm S mergesort P162-163 Vol 3 Second edition 1998 The major change is that the scratch buffer is not required to be
Read moredon’t defer
There is a proposal to add “defer” to C. Its biggest example is taken from code that was originally designed to not manage storage at
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Unforgivable C programming 1
Here’s a program that exhibits the low level nature of C by changing the return address of a function. The function “one” always returns the
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Threads in C
There is a nice example thread semantics in a paper by David Goldblatt (P1916R0) which illustrates a couple of things about multi-core processing – including
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Memory model and semantics for C
A perceptive note from Linus Torvalds about the C/C++ “memory model” is reproduced below. From Linus Torvalds <> Date Thu, 7 Jun 2018 08:40:49 -0700
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unfashionable C
In computer science academia, C along with UNIX, and PDP11s, is as unfashionable as can be: the equivalent of other 1970’s relics, like polyester leisure
Read moreUndefined behavior in C is a reading error.
Considering how important “undefined behavior” has become to C semantics and the ISO/IEC JTC1/SC22/WG14 Committee, the lack of any reference to it in the K&R
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ISO C is not a serious programming language
The C Standards process over the last few decades has addressed both optimization and pointer type safety largely through a concept called “undefined behavior”. The
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