No description
http://www.etalabs.net/musl/
6e89210669
rather than just checking that the start of the string lies within the mapping, also check that the nominal length remains within the mapping, and that the null terminator is present at the nominal length. this ensures that the caller, using the result as a C string, will not read past the end of the mapping. the nominal length is never exposed to the caller, but it's useful internally to find where the null terminator should be without having to restort to linear search via strnlen/memchr. |
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musl libc
musl, pronounced like the word "mussel", is an MIT-licensed
implementation of the standard C library targetting the Linux syscall
API, suitable for use in a wide range of deployment environments. musl
offers efficient static and dynamic linking support, lightweight code
and low runtime overhead, strong fail-safe guarantees under correct
usage, and correctness in the sense of standards conformance and
safety. musl is built on the principle that these goals are best
achieved through simple code that is easy to understand and maintain.
The 1.1 release series for musl features coverage for all interfaces
defined in ISO C99 and POSIX 2008 base, along with a number of
non-standardized interfaces for compatibility with Linux, BSD, and
glibc functionality.
For basic installation instructions, see the included INSTALL file.
Information on full musl-targeted compiler toolchains, system
bootstrapping, and Linux distributions built on musl can be found on
the project website:
http://www.musl-libc.org/