worried by wordexp(3)[c, posix] November 21, 2023

The function wordexp(3) is a POSIX C standard library function which performs "word expansion like a POSIX shell". wordexp(3) combines the safety of elaborate string parsing in C with the efficiency and robustness of invoking the shell on arbitrary user input. Why does it even exist? And why shouldn't you use it? (more)

• Some talks [talk, pwl, lisp] November 02, 2017
• Fixie tries [data-structure, rust, release] October 29, 2017
• Building shells with a grain of salt [shell, pedagogical, release] October 17, 2017
• Return to the Source [programming, opinion, no-code] October 05, 2017
• Are Jump Tables Always Fastest? [performance, compilers, benchmarking] October 03, 2017