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Factored utf8 switching code out to i18n.c.

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This commit is contained in:
Werner Koch 2007-10-19 15:58:38 +00:00
parent 259a40c830
commit c12ce55b25
12 changed files with 107 additions and 184 deletions
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4
common/ChangeLog
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@ -1,3 +1,7 @@
2007-10-19 Werner Koch <wk@g10code.com>
* i18n.c (i18n_switchto_utf8, i18n_switchback): New.
2007-10-01 Werner Koch <wk@g10code.com>
* sysutils.h (FD2INT, INT2FD): New.

64
common/i18n.c
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@ -18,9 +18,17 @@
*/
#include <config.h>
#ifdef HAVE_LOCALE_H
#include <locale.h>
#endif
#ifdef HAVE_LANGINFO_CODESET
#include <langinfo.h>
#endif
#include "util.h"
#include "i18n.h"
void
i18n_init (void)
{
@ -35,3 +43,59 @@ i18n_init (void)
#endif
}
/* The Assuan agent protocol requires us to transmit utf-8 strings
thus we need a fucntion to temporary switch gettext from native to
utf8. */
char *
i18n_switchto_utf8 (void)
{
#ifdef ENABLE_NLS
char *orig_codeset = bind_textdomain_codeset (PACKAGE_GT, NULL);
#ifdef HAVE_LANGINFO_CODESET
if (!orig_codeset)
orig_codeset = nl_langinfo (CODESET);
#endif
if (orig_codeset)
{ /* We only switch when we are able to restore the codeset later.
Note that bind_textdomain_codeset does only return on memory
errors but not if a codeset is not available. Thus we don't
bother printing a diagnostic here. */
orig_codeset = xstrdup (orig_codeset);
if (!bind_textdomain_codeset (PACKAGE_GT, "utf-8"))
{
xfree (orig_codeset);
orig_codeset = NULL;
}
}
return orig_codeset;
#else
return NULL;
#endif
}
/* Switch back to the saved codeset. */
void
i18n_switchback (char *saved_codeset)
{
#ifdef ENABLE_NLS
if (saved_codeset)
{
bind_textdomain_codeset (PACKAGE_GT, saved_codeset);
xfree (saved_codeset);
}
#else
(void)saved_codeset;
#endif
}
/* Gettext variant which temporary switches to utf-8 for string. */
const char *
i18n_utf8 (const char *string)
{
char *saved = i18n_switchto_utf8 ();
const char *result = _(string);
i18n_switchback (saved);
return result;
}

3
common/i18n.h
View file

@ -39,6 +39,9 @@
#endif /*!USE_SIMPLE_GETTEXT*/
void i18n_init (void);
char *i18n_switchto_utf8 (void);
void i18n_switchback (char *saved_codeset);
const char *i18n_utf8 (const char *string);
#endif /*GNUPG_COMMON_I18N_H*/