Hi Jon, >>> I was looking at the man pages looking for a way to get a string of the >>> errno value meaning. This is kind of a user question. >>> >>> This API returns "returns a pointer to a string that describes the error >>> code": >>> >>> http://man7.org/linux/man-pages/man3/strerror.3.html >>> >>> However, this is a description, e.g. "Invalid argument". Is there a >>> function that would return "EINVAL" or "ENOENT" as the string? >> >> >> None that I know of. (In passing, I dealt with exactly this problem >> for my book with a script that generated the string names; see >> http://man7.org/tlpi/code/online/dist/lib/ename.c.inc.html and >> http://man7.org/tlpi/code/online/dist/lib/error_functions.c.html) > > > Interesting. I saw on the ename.c page that the numbers were in the table > hard coded -- is it guaranteed that 90 will always correspond to EPROTOTYPE > on a unixy system? No. So, my build code deals with this by using a script to build a platform-specific ename.c.inc file (have a look at the tarball.) Thanks, Michael -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Author of "The Linux Programming Interface"; http://man7.org/tlpi/ -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
