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Commitd5a7bf8

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committed
setlocale() on Windows doesn't work correctly if the locale name contains
apostrophes or dots. There isn't much hope of Microsoft fixing it any timesoon, it's been like that for ages, so we better work around it. So, map afew common Windows locale names known to cause problems to aliases that work.
1 parent1f943dc commitd5a7bf8

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1 file changed

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1 file changed

+82
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‎src/bin/initdb/initdb.c‎

Lines changed: 82 additions & 7 deletions
Original file line numberDiff line numberDiff line change
@@ -185,6 +185,8 @@ static intlocale_date_order(const char *locale);
185185
staticboolcheck_locale_name(constchar*locale);
186186
staticboolcheck_locale_encoding(constchar*locale,intencoding);
187187
staticvoidsetlocales(void);
188+
staticvoidstrreplace(char*str,char*needle,char*replacement);
189+
staticchar*localemap(char*locale);
188190
staticvoidusage(constchar*progname);
189191

190192
#ifdefWIN32
@@ -2250,6 +2252,79 @@ check_locale_encoding(const char *locale, int user_enc)
22502252
return true;
22512253
}
22522254

2255+
/*
2256+
* Replace 'needle' with 'replacement' in 'str' . Note that the replacement
2257+
* is done in-place, so 'replacement' must be shorter than 'needle'.
2258+
*/
2259+
staticvoid
2260+
strreplace(char*str,char*needle,char*replacement)
2261+
{
2262+
char*s;
2263+
2264+
s=strstr(str,needle);
2265+
if (s!=NULL)
2266+
{
2267+
intreplacementlen=strlen(replacement);
2268+
char*rest=s+strlen(needle);
2269+
2270+
memcpy(s,replacement,replacementlen);
2271+
memmove(s+replacementlen,rest,strlen(rest)+1);
2272+
}
2273+
}
2274+
2275+
/*
2276+
* Windows has a problem with locale names that have a dot or apostrophe in
2277+
* the country name. For example:
2278+
*
2279+
* "Chinese (Traditional)_Hong Kong S.A.R..950"
2280+
*
2281+
* For some reason, setlocale() doesn't accept that. Fortunately, Windows'
2282+
* setlocale() accepts various alternative names for such countries, so we
2283+
* map the full country names to accepted aliases.
2284+
*
2285+
* The returned string is always malloc'd - if no mapping is done it is
2286+
* just a malloc'd copy of the original.
2287+
*/
2288+
staticchar*
2289+
localemap(char*locale)
2290+
{
2291+
locale=xstrdup(locale);
2292+
2293+
#ifdefWIN32
2294+
/*
2295+
* Map the full country name to an abbreviation that setlocale() accepts
2296+
* "China" and "HKG" are listed here:
2297+
* http://msdn.microsoft.com/en-us/library/cdax410z%28v=vs.71%29.aspx
2298+
* (Country/Region Strings).
2299+
*
2300+
* "ARE" is the ISO-3166 three-letter code for U.A.E. It is not on the
2301+
* above list, but seems to work anyway.
2302+
*/
2303+
strreplace(locale,"People's Republic of China","China");
2304+
strreplace(locale,"Hong Kong S.A.R.","HKG");
2305+
strreplace(locale,"U.A.E.","ARE");
2306+
2307+
/*
2308+
* The ISO-3166 country code for Macau S.A.R. is MAC, but Windows doesn't
2309+
* seem to recognize that. And Macau isn't listed in the table of
2310+
* accepted abbreviations linked above.
2311+
*
2312+
* Fortunately, "ZHM" seems to be accepted as an alias for
2313+
* "Chinese (Traditional)_Macau S.A.R..950", so we use that. Note that
2314+
* it's unlike HKG and ARE, ZHM is an alias for the whole locale name,
2315+
* not just the country part. I'm not sure where that "ZHM" comes from,
2316+
* must be some legacy naming scheme. But hey, it works.
2317+
*
2318+
* Some versions of Windows spell it "Macau", others "Macao".
2319+
*/
2320+
strreplace(locale,"Chinese (Traditional)_Macau S.A.R..950","ZHM");
2321+
strreplace(locale,"Chinese_Macau S.A.R..950","ZHM");
2322+
strreplace(locale,"Chinese (Traditional)_Macao S.A.R..950","ZHM");
2323+
strreplace(locale,"Chinese_Macao S.A.R..950","ZHM");
2324+
#endif
2325+
2326+
returnlocale;
2327+
}
22532328

22542329
/*
22552330
* set up the locale variables
@@ -2282,25 +2357,25 @@ setlocales(void)
22822357
*/
22832358

22842359
if (strlen(lc_ctype)==0|| !check_locale_name(lc_ctype))
2285-
lc_ctype=xstrdup(setlocale(LC_CTYPE,NULL));
2360+
lc_ctype=localemap(setlocale(LC_CTYPE,NULL));
22862361
if (strlen(lc_collate)==0|| !check_locale_name(lc_collate))
2287-
lc_collate=xstrdup(setlocale(LC_COLLATE,NULL));
2362+
lc_collate=localemap(setlocale(LC_COLLATE,NULL));
22882363
if (strlen(lc_numeric)==0|| !check_locale_name(lc_numeric))
2289-
lc_numeric=xstrdup(setlocale(LC_NUMERIC,NULL));
2364+
lc_numeric=localemap(setlocale(LC_NUMERIC,NULL));
22902365
if (strlen(lc_time)==0|| !check_locale_name(lc_time))
2291-
lc_time=xstrdup(setlocale(LC_TIME,NULL));
2366+
lc_time=localemap(setlocale(LC_TIME,NULL));
22922367
if (strlen(lc_monetary)==0|| !check_locale_name(lc_monetary))
2293-
lc_monetary=xstrdup(setlocale(LC_MONETARY,NULL));
2368+
lc_monetary=localemap(setlocale(LC_MONETARY,NULL));
22942369
if (strlen(lc_messages)==0|| !check_locale_name(lc_messages))
22952370
#if defined(LC_MESSAGES)&& !defined(WIN32)
22962371
{
22972372
/* when available get the current locale setting */
2298-
lc_messages=xstrdup(setlocale(LC_MESSAGES,NULL));
2373+
lc_messages=localemap(setlocale(LC_MESSAGES,NULL));
22992374
}
23002375
#else
23012376
{
23022377
/* when not available, get the CTYPE setting */
2303-
lc_messages=xstrdup(setlocale(LC_CTYPE,NULL));
2378+
lc_messages=localemap(setlocale(LC_CTYPE,NULL));
23042379
}
23052380
#endif
23062381

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