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musl - an implementation of the standard library for Linux-based systems
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Dmitry V. Levin 23ddab8569 make getcwd fail if it cannot obtain an absolute path 
Currently getcwd(3) can succeed without returning an absolute path
because the underlying getcwd syscall, starting with linux commit
v2.6.36-rc1~96^2~2, may succeed without returning an absolute path.

This is a conformance issue because "The getcwd() function shall
place an absolute pathname of the current working directory
in the array pointed to by buf, and return buf".

Fix this by checking the path returned by syscall and failing with
ENOENT if the path is not absolute.  The error code is chosen for
consistency with the case when the current directory is unlinked.

Similar issue was fixed in glibc recently, see
https://sourceware.org/bugzilla/show_bug.cgi?id=22679
 		2018-02-07 14:35:25 -05:00
arch aarch64: fix mismatched type of ucontext_t uc_link member 2018-01-31 21:59:20 -05:00
crt add s390x port 2016-11-11 23:06:21 -05:00
dist add another example option to dist/config.mak 2012-04-24 16:49:11 -04:00
include add _DIRENT_HAVE_D_* macros to dirent.h 2018-01-12 14:26:59 -05:00
ldso disallow non-absolute rpath $ORIGIN for suid/sgid/AT_SECURE processes 2018-02-07 14:31:42 -05:00
src make getcwd fail if it cannot obtain an absolute path 2018-02-07 14:35:25 -05:00
tools add CFI generation script for x86_64 2015-10-13 18:09:46 -04:00
.gitignore remove obsolete gitignore rules 2016-07-06 00:21:25 -04:00
COPYRIGHT update COPYRIGHT file to clarify that permissions apply for all files 2016-04-28 20:41:45 -04:00
INSTALL add powerpc64 and s390x to list of supported archs in INSTALL file 2017-08-29 20:48:02 -04:00
Makefile remove unused explicit dependency rules for crti/crtn 2017-12-14 23:19:34 -05:00
README update version reference in the README file 2014-06-25 14:16:53 -04:00
VERSION release 1.1.18 2017-10-31 15:13:58 -04:00
WHATSNEW release 1.1.18 2017-10-31 15:13:58 -04:00
configure disable global visibility override hack (vis.h) by default 2017-08-11 00:17:00 -04:00

README 

    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/