Martin Uecker

uecker.codeberg.page

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Total points: 217
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Software Engineering 2 Programming Languages 2

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Generic Containers in C: Safe Division Using Maybe

2025114 points61 comments Software Engineering details

Martin Uecker, 2025-08-10 I discuss the implementation of type and bounds safe generic containers in C. Previously, I discussed a span type , bounds checking using arrays . and a a vector type . This time, I will discuss maybe inspired by Haskell. This type can used to return a value that may not exist, e.g. because…

Using GCC's Nested Functions with Wide Pointers and No Trampolines II

2026103 points47 comments Software Engineering details

When the address of a nested function is taken, GCC creates at trampoline at run-time. This trampoline is placed on the stack, which means that the stack has to be executable. This is problematic because a non-executable stack is an important security feature. For some time now, GCC has the option to place the…