libffi
A Portable Foreign Function Interface Library libffi-3.4.5 was released on February 15, 2024. You can download it from github here: https://github.com/libffi/libffi/releases/download/v3.4.5/libffi-3.4.5.tar.gz. libffi is Free Software. It has a very liberal license. What is libffi? Compilers for high level languages generate code that follows certain conventions. These conventions are necessary, i
4403 – strfry() gives skewed distributions
strfry() tries to shuffle its string using random swaps, but it uses the wrong strategy, and thus not all permutations are equally likely. The code doing the shuffling itself looks like this: len = strlen (string); for (i = 0; i < len; ++i) { int32_t j; char c; __random_r (&rdata, &j); j %= len; c = string[i]; string[i] = string[j]; string[j] = c; } In other words, for the string 'abc' j will alwa
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Autoconf, Automake, and Libtool: Table of Contents
