Hi Jon, On Sun, Apr 22, 2012 at 11:14 PM, Jon Grant <jg@xxxxxxxx> wrote: > Hello > > 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) > Could I suggest that the text on the man page be updated to clarify what > would be returned: > > "returns a pointer to a string that describes the error code. e.g. "Invalid > argument" if EINVAL was the errnum." Done for 3.40. Cheers, 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
