Top 4 C Printf Projects

printf

16 2,345 0.0 C

Tiny, fast, non-dependent and fully loaded printf implementation for embedded systems. Extensive test suite passing.
printf

4 359 0.0 C

Tiny, fast(ish), self-contained, fully loaded printf, sprinf etc. implementation; particularly useful in embedded systems. (by eyalroz)

Project mention: MISRA C | news.ycombinator.com | 2023-11-07

From my experience, maintaining a standalone/embedded printf library - MISRA is a combination of two things: Common-sense rules, and pain-in-the-ass rules. Example of the latter: Avoiding implementation-defined types like `int` in places where my code doesn't care about what sizeof(int) is.
I was able to accommodate most (?) of the MISRA rules (https://github.com/eyalroz/printf/issues/77), but mine is just a small library, so I don't know how restrictive they would be for a larger codebase.

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vastringify

1 66 3.2 C

Type-safe Printf in C
prnf

3 33 7.0 C

A lightweight tiny printf alternative. With some reasonable limitations, extensions, and alternative behaviour suited to microcontrollers.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2023-11-07.