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Revoke support for strxfrm() that write past the specified array length.

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This formalizes a decision implicit in commit
4ea51cdfe85ceef8afabceb03c446574daa0ac23 and adds clean detection of
affected systems.  Vendor updates are available for each such known bug.
Back-patch to 9.5, where the aforementioned commit first appeared.
This commit is contained in:
Noah Misch
2015-07-08 20:44:21 -04:00
parent 8ed6e70ace
commit aaf15ee33a
5 changed files with 70 additions and 10 deletions
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1
src/include/utils/pg_locale.h
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@ -44,6 +44,7 @@ extern void assign_locale_time(const char *newval, void *extra);
extern bool check_locale(int category, const char *locale, char **canonname);
extern char *pg_perm_setlocale(int category, const char *locale);
extern void check_strxfrm_bug(void);
extern bool lc_collate_is_c(Oid collation);
extern bool lc_ctype_is_c(Oid collation);