Alejandro Colomar
ce4c4d4ad5
It wraps snprintf(3) so that it performs some steps that one might forget, or might be prone to accidents: - It calculates the size of the destination buffer, and makes sure it's an array (otherwise, using sizeof(s) would be very bad). - It calculates if there's truncation or an error, returning -1 if so. BTW, this macro doesn't have any issues of double evaluation, because sizeof() doesn't evaluate its argument (unless it's a VLA, but then the static_assert(3) within NITEMS() makes sure VLAs are not allowed). This macro is very similar to STRTCPY(), defined in <lib/string/strtcpy.h>. Signed-off-by: Alejandro Colomar <alx@kernel.org>
shadow-utils
Introduction
The shadow-utils package includes the necessary programs for converting UNIX password files to the shadow password format, plus programs for managing user and group accounts. The pwconv command converts passwords to the shadow password format. The pwunconv command unconverts shadow passwords and generates a passwd file (a standard UNIX password file). The pwck command checks the integrity of password and shadow files. The lastlog command prints out the last login times for all users. The useradd, userdel, and usermod commands are used for managing user accounts. The groupadd, groupdel, and groupmod commands are used for managing group accounts.
Sites
Code
The main development branch is at https://github.com/shadow-maint/shadow.git
See STABLE.md for a list of supported stable branches.
Contacts
There are several ways to contact us:
- the general discussion mailing list
- the #shadow IRC channel on libera.chat:
- irc://irc.libera.chat/shadow
Mailing archives
- the general discussion mailing list archive
- the commit mailing list archive, only used for historical purposes
Contributions
Contributions are welcome. Follow the guidelines before posting any patches.
Authors and maintainers
Authors and maintainers are listed in AUTHORS.md.