These POSIX APIs are defined as mapping directly to
`strrchr` and `strchr` respectively.
These are needed for the latest version of the stress-ng port,
and also give us better POSIX compliance.
We have close to zero usages of the C string functions in our codebase
(including the "safe" alternatives), so the deprecation warnings are
unlikely to have an actual effect on preventing large-scale use of the
"unsafe" functions.
Meanwhile, the deprecation warnings are causing issues for ports that
are compiled using -Werror by default, and are generally a large source
for logspam when compiling.
This implements the XSI-compliant version of strerror_r() - as opposed
to the GNU-specific variant.
The function explicitly saves errno so as to not accidentally change it
with one of the calls to other functions.
SPDX License Identifiers are a more compact / standardized
way of representing file license information.
See: https://spdx.dev/resources/use/#identifiers
This was done with the `ambr` search and replace tool.
ambr --no-parent-ignore --key-from-file --rep-from-file key.txt rep.txt *
