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authorRich Felker <dalias@aerifal.cx>2015-10-01 22:59:56 +0000
committerRich Felker <dalias@aerifal.cx>2015-10-01 22:59:56 +0000
commit2d51c4ad57d5cbb083b5bce94ff692490c10ee2d (patch)
tree3186f504065dd07ae2f78dd8942f758f74530af2 /src/setjmp/i386
parentfd2add5ba01145593d71362c40a0a39b0b3dd7d2 (diff)
downloadmusl-2d51c4ad57d5cbb083b5bce94ff692490c10ee2d.tar.gz
make nl_langinfo(CODESET) always return "ASCII" in byte-based C locale
commit 844212d94f582c4e3c5055e0a1524931e89ebe76, which did not make it into any releases, changed nl_langinfo(CODESET) to always return "UTF-8", even in the byte-based C locale. this was problematic because application software was found to use the string match for "UTF-8" to activate its own UTF-8 processing. this both undermines the byte-based functionality of the C locale, and if mixed with with calls to the standard multibyte functions, which happened in practice, could result in severe mis-handling of input. the motive for the previous change was that, to avoid widespread compatibility problems, the string returned by nl_langinfo(CODESET) needs to be accepted by iconv and by third-party character conversion code. thus, the only remaining choice is "ASCII". this choice accurately represents the intent that high bytes do not have individual meaning in the C locale, but it does mean that iconv, when passed nl_langinfo(CODESET) in the C locale, will produce errors in cases where mbrtowc would have succeeded. for reference, glibc behaves similarly in this regard, so I don't think it will be a problem.
Diffstat (limited to 'src/setjmp/i386')
0 files changed, 0 insertions, 0 deletions