1BIND_TEXTDOMAIN_CODESET(3) Library Functions Manual BIND_TEXTDOMAIN_CODESET(3)
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6 bind_textdomain_codeset - set encoding of message translations
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9 #include <libintl.h>
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11 char * bind_textdomain_codeset (const char * domainname,
12 const char * codeset);
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15 The bind_textdomain_codeset function sets the output codeset for mes‐
16 sage catalogs for domain domainname.
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18 A message domain is a set of translatable msgid messages. Usually,
19 every software package has its own message domain.
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21 By default, the gettext family of functions returns translated messages
22 in the locale's character encoding, which can be retrieved as nl_lang‐
23 info(CODESET). The need for calling bind_textdomain_codeset arises for
24 programs which store strings in a locale independent way (e.g. UTF-8)
25 and want to avoid an extra character set conversion on the returned
26 translated messages.
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28 domainname must be a non-empty string.
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30 If codeset is not NULL, it must be a valid encoding name which can be
31 used for the iconv_open function. The bind_textdomain_codeset function
32 sets the output codeset for message catalogs belonging to domain
33 domainname to codeset. The function makes copies of the argument
34 strings as needed.
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36 If codeset is NULL, the function returns the previously set codeset for
37 domain domainname. The default is NULL, denoting the locale's character
38 encoding.
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41 If successful, the bind_textdomain_codeset function returns the current
42 codeset for domain domainname, after possibly changing it. The result‐
43 ing string is valid until the next bind_textdomain_codeset call for the
44 same domainname and must not be modified or freed. If a memory alloca‐
45 tion failure occurs, it sets errno to ENOMEM and returns NULL. If no
46 codeset has been set for domain domainname, it returns NULL.
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49 The following error can occur, among others:
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51 ENOMEM Not enough memory available.
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54 The return type ought to be const char *, but is char * to avoid warn‐
55 ings in C code predating ANSI C.
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58 gettext(3), dgettext(3), dcgettext(3), ngettext(3), dngettext(3),
59 dcngettext(3), textdomain(3), nl_langinfo(3), iconv_open(3)
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63GNU gettext 0.20.2 May 2001 BIND_TEXTDOMAIN_CODESET(3)