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fix locale environment variable logic for empty strings

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per POSIX (XBD 8.2) LC_*/LANG environment variables set to to the
empty string are supposed to be treated as if they were not set at
all.
This commit is contained in:
Rich Felker 2014-07-24 03:02:17 -04:00
commit 674e28af2d
1 changed files with 3 additions and 3 deletions
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6
src/locale/__setlocalecat.c
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@ -16,9 +16,9 @@ static const char envvars[][12] = {
int __setlocalecat(locale_t loc, int cat, const char *val)
{
if (!*val) {
(val = getenv("LC_ALL")) ||
(val = getenv(envvars[cat])) ||
(val = getenv("LANG")) ||
(val = getenv("LC_ALL")) && *val ||
(val = getenv(envvars[cat])) && *val ||
(val = getenv("LANG")) && *val ||
(val = "C.UTF-8");
}