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authorRich Felker <dalias@aerifal.cx>2013-11-24 21:42:55 -0500
committerRich Felker <dalias@aerifal.cx>2013-11-24 21:42:55 -0500
commitc8a9c22173f485c8c053709e1dfa0a617cb6be1a (patch)
tree6e09d7e73bbff957b45370d412cc6299fe51eb37 /src/locale/strfmon.c
parent7e771e62e78944b9d1fe7e78ef71422b9d51f275 (diff)
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restore type of NULL to void * except when used in C++ programs
unfortunately this eliminates the ability of the compiler to diagnose
some dangerous/incorrect usage, but POSIX requires (as an extension to
the C language, i.e. CX shaded) that NULL have type void *. plain C
allows it to be defined as any null pointer constant.

the definition 0L is preserved for C++ rather than reverting to plain
0 to avoid dangerous behavior in non-conforming programs which use
NULL as a variadic sentinel. (it's impossible to use (void *)0 for C++
since C++ lacks the proper implicit pointer conversions, and other
popular alternatives like the GCC __null extension seem non-conforming
to the standard's requirements.)
Diffstat (limited to 'src/locale/strfmon.c')
0 files changed, 0 insertions, 0 deletions