openwrt-owl/toolchain/musl
Hauke Mehrtens be5fcf9fd7 musl: Add format attribute to some function declarations
GCC and Clang are able to check the format arguments given to a
function and warn the user if there is a error in the format arguments
or if there is a potential uncontrolled format string security problem
in the code. GCC does this automatically for some functions like
printf(), but it is also possible to annotate other functions in a way
that it will check them too. This feature is used by glibc for many
functions. This patch adds the attribute to the some functions of musl
expect for these functions where gcc automatically adds it.

GCC automatically adds checks for these functions: printf, fprintf,
sprintf, scanf, fscanf, sscanf, strftime, vprintf, vfprintf and
vsprintf.

The documentation from gcc is here:
https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html

The documentation from Clang is here:
http://clang.llvm.org/docs/AttributeReference.html#format-gnu-format

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

SVN-Revision: 48467
2016-01-24 00:05:14 +00:00
..
headers add preliminary support for musl 2012-11-23 20:02:29 +00:00
include musl: add sgidefs.h 2014-06-29 22:25:51 +00:00
patches musl: Add format attribute to some function declarations 2016-01-24 00:05:14 +00:00
Config.version musl: update to version 1.1.11 2015-09-02 15:44:17 +00:00
Makefile musl: install a few extra headers to improve compatibility with various packages 2014-06-09 13:47:36 +00:00
common.mk toolchain/musl: remove old CONFIG_MUSL_ENABLE_DEBUG option 2016-01-19 23:44:44 +00:00