diff options
Diffstat (limited to 'gettext.c')
| -rw-r--r-- | gettext.c | 60 |
1 files changed, 54 insertions, 6 deletions
@@ -4,6 +4,8 @@ #include "git-compat-util.h" #include "gettext.h" +#include "strbuf.h" +#include "utf8.h" #ifndef NO_GETTEXT # include <locale.h> @@ -16,6 +18,31 @@ # endif #endif +/* + * Guess the user's preferred languages from the value in LANGUAGE environment + * variable and LC_MESSAGES locale category if NO_GETTEXT is not defined. + * + * The result can be a colon-separated list like "ko:ja:en". + */ +const char *get_preferred_languages(void) +{ + const char *retval; + + retval = getenv("LANGUAGE"); + if (retval && *retval) + return retval; + +#ifndef NO_GETTEXT + retval = setlocale(LC_MESSAGES, NULL); + if (retval && *retval && + strcmp(retval, "C") && + strcmp(retval, "POSIX")) + return retval; +#endif + + return NULL; +} + #ifdef GETTEXT_POISON int use_gettext_poison(void) { @@ -27,10 +54,20 @@ int use_gettext_poison(void) #endif #ifndef NO_GETTEXT -static void init_gettext_charset(const char *domain) +static int test_vsnprintf(const char *fmt, ...) { - const char *charset; + char buf[26]; + int ret; + va_list ap; + va_start(ap, fmt); + ret = vsnprintf(buf, sizeof(buf), fmt, ap); + va_end(ap); + return ret; +} +static const char *charset; +static void init_gettext_charset(const char *domain) +{ /* This trick arranges for messages to be emitted in the user's requested encoding, but avoids setting LC_CTYPE from the @@ -98,9 +135,7 @@ static void init_gettext_charset(const char *domain) $ LANGUAGE= LANG=de_DE.utf8 ./test test: Kein passendes Ger?t gefunden - In the long term we should probably see about getting that - vsnprintf bug in glibc fixed, and audit our code so it won't - fall apart under a non-C locale. + The vsnprintf bug has been fixed since glibc 2.17. Then we could simply set LC_CTYPE from the environment, which would make things like the external perror(3) messages work. @@ -114,7 +149,9 @@ static void init_gettext_charset(const char *domain) setlocale(LC_CTYPE, ""); charset = locale_charset(); bind_textdomain_codeset(domain, charset); - setlocale(LC_CTYPE, "C"); + /* the string is taken from v0.99.6~1 */ + if (test_vsnprintf("%.*s", 13, "David_K\345gedal") < 0) + setlocale(LC_CTYPE, "C"); } void git_setup_gettext(void) @@ -125,7 +162,18 @@ void git_setup_gettext(void) podir = GIT_LOCALE_PATH; bindtextdomain("git", podir); setlocale(LC_MESSAGES, ""); + setlocale(LC_TIME, ""); init_gettext_charset("git"); textdomain("git"); } + +/* return the number of columns of string 's' in current locale */ +int gettext_width(const char *s) +{ + static int is_utf8 = -1; + if (is_utf8 == -1) + is_utf8 = !strcmp(charset, "UTF-8"); + + return is_utf8 ? utf8_strwidth(s) : strlen(s); +} #endif |