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https://github.com/RPCS3/hidapi.git
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Support for getting USB Strings using the applications locale.
If the locale's language is not supported by the device, it defaults to the first language available on the device.
This commit is contained in:
Alan Ott
parent
2dedc16309
commit
0c07642ab5
@ -19,6 +19,7 @@
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <locale.h>
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#include <errno.h>
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@ -62,6 +63,9 @@ struct hid_device_ {
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static int initialized = 0;
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uint16_t get_usb_code_for_current_locale();
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hid_device *new_hid_device()
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{
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hid_device *dev = calloc(1, sizeof(hid_device));
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@ -105,6 +109,33 @@ static uint16_t get_first_language(libusb_device_handle *dev)
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return buf[1]; // First two bytes are len and descriptor type.
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}
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static int is_language_supported(libusb_device_handle *dev, uint16_t lang)
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{
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uint16_t buf[32];
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int len;
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int i;
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/* Get the string from libusb. */
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len = libusb_get_string_descriptor(dev,
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0x0, /* String ID */
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0x0, /* Language */
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(unsigned char*)buf,
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sizeof(buf));
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if (len < 4)
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return 0x0;
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len /= 2; /* language IDs are two-bytes each. */
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/* Start at index 1 because there are two bytes of protocol data. */
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for (i = 1; i < len; i++) {
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if (buf[i] == lang)
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return 1;
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}
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return 0;
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}
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/* This function returns a newly allocated wide string containing the USB
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device string numbered by the index. The returned string must be freed
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by using free(). */
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@ -123,8 +154,12 @@ static wchar_t *get_usb_string(libusb_device_handle *dev, uint8_t index)
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char *inptr;
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char *outptr;
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uint16_t lang = get_first_language(dev);
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/* Determine which language to use. */
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uint16_t lang;
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lang = get_usb_code_for_current_locale();
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if (!is_language_supported(dev, lang))
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lang = get_first_language(dev);
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/* Get the string from libusb. */
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len = libusb_get_string_descriptor(dev,
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index,
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@ -766,3 +801,211 @@ HID_API_EXPORT wchar_t * HID_API_CALL hid_error(hid_device *dev)
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{
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return NULL;
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}
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struct lang_map_entry {
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const char *name;
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const char *string_code;
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uint16_t usb_code;
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};
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#define LANG(name,code,usb_code) { name, code, usb_code }
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static struct lang_map_entry lang_map[] = {
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LANG("Afrikaans", "af", 0x0436),
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LANG("Albanian", "sq", 0x041C),
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LANG("Arabic - United Arab Emirates", "ar_ae", 0x3801),
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LANG("Arabic - Bahrain", "ar_bh", 0x3C01),
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LANG("Arabic - Algeria", "ar_dz", 0x1401),
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LANG("Arabic - Egypt", "ar_eg", 0x0C01),
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LANG("Arabic - Iraq", "ar_iq", 0x0801),
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LANG("Arabic - Jordan", "ar_jo", 0x2C01),
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LANG("Arabic - Kuwait", "ar_kw", 0x3401),
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LANG("Arabic - Lebanon", "ar_lb", 0x3001),
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LANG("Arabic - Libya", "ar_ly", 0x1001),
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LANG("Arabic - Morocco", "ar_ma", 0x1801),
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LANG("Arabic - Oman", "ar_om", 0x2001),
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LANG("Arabic - Qatar", "ar_qa", 0x4001),
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LANG("Arabic - Saudi Arabia", "ar_sa", 0x0401),
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LANG("Arabic - Syria", "ar_sy", 0x2801),
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LANG("Arabic - Tunisia", "ar_tn", 0x1C01),
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LANG("Arabic - Yemen", "ar_ye", 0x2401),
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LANG("Armenian", "hy", 0x042B),
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LANG("Azeri - Latin", "az_az", 0x042C),
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LANG("Azeri - Cyrillic", "az_az", 0x082C),
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LANG("Basque", "eu", 0x042D),
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LANG("Belarusian", "be", 0x0423),
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LANG("Bulgarian", "bg", 0x0402),
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LANG("Catalan", "ca", 0x0403),
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LANG("Chinese - China", "zh_cn", 0x0804),
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LANG("Chinese - Hong Kong SAR", "zh_hk", 0x0C04),
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LANG("Chinese - Macau SAR", "zh_mo", 0x1404),
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LANG("Chinese - Singapore", "zh_sg", 0x1004),
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LANG("Chinese - Taiwan", "zh_tw", 0x0404),
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LANG("Croatian", "hr", 0x041A),
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LANG("Czech", "cs", 0x0405),
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LANG("Danish", "da", 0x0406),
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LANG("Dutch - Netherlands", "nl_nl", 0x0413),
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LANG("Dutch - Belgium", "nl_be", 0x0813),
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LANG("English - Australia", "en_au", 0x0C09),
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LANG("English - Belize", "en_bz", 0x2809),
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LANG("English - Canada", "en_ca", 0x1009),
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LANG("English - Caribbean", "en_cb", 0x2409),
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LANG("English - Ireland", "en_ie", 0x1809),
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LANG("English - Jamaica", "en_jm", 0x2009),
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LANG("English - New Zealand", "en_nz", 0x1409),
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LANG("English - Phillippines", "en_ph", 0x3409),
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LANG("English - Southern Africa", "en_za", 0x1C09),
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LANG("English - Trinidad", "en_tt", 0x2C09),
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LANG("English - Great Britain", "en_gb", 0x0809),
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LANG("English - United States", "en_us", 0x0409),
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LANG("Estonian", "et", 0x0425),
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LANG("Farsi", "fa", 0x0429),
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LANG("Finnish", "fi", 0x040B),
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LANG("Faroese", "fo", 0x0438),
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LANG("French - France", "fr_fr", 0x040C),
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LANG("French - Belgium", "fr_be", 0x080C),
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LANG("French - Canada", "fr_ca", 0x0C0C),
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LANG("French - Luxembourg", "fr_lu", 0x140C),
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LANG("French - Switzerland", "fr_ch", 0x100C),
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LANG("Gaelic - Ireland", "gd_ie", 0x083C),
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LANG("Gaelic - Scotland", "gd", 0x043C),
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LANG("German - Germany", "de_de", 0x0407),
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LANG("German - Austria", "de_at", 0x0C07),
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LANG("German - Liechtenstein", "de_li", 0x1407),
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LANG("German - Luxembourg", "de_lu", 0x1007),
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LANG("German - Switzerland", "de_ch", 0x0807),
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LANG("Greek", "el", 0x0408),
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LANG("Hebrew", "he", 0x040D),
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LANG("Hindi", "hi", 0x0439),
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LANG("Hungarian", "hu", 0x040E),
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LANG("Icelandic", "is", 0x040F),
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LANG("Indonesian", "id", 0x0421),
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LANG("Italian - Italy", "it_it", 0x0410),
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LANG("Italian - Switzerland", "it_ch", 0x0810),
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LANG("Japanese", "ja", 0x0411),
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LANG("Korean", "ko", 0x0412),
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LANG("Latvian", "lv", 0x0426),
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LANG("Lithuanian", "lt", 0x0427),
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LANG("F.Y.R.O. Macedonia", "mk", 0x042F),
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LANG("Malay - Malaysia", "ms_my", 0x043E),
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LANG("Malay – Brunei", "ms_bn", 0x083E),
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LANG("Maltese", "mt", 0x043A),
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LANG("Marathi", "mr", 0x044E),
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LANG("Norwegian - Bokml", "no_no", 0x0414),
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LANG("Norwegian - Nynorsk", "no_no", 0x0814),
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LANG("Polish", "pl", 0x0415),
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LANG("Portuguese - Portugal", "pt_pt", 0x0816),
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LANG("Portuguese - Brazil", "pt_br", 0x0416),
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LANG("Raeto-Romance", "rm", 0x0417),
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LANG("Romanian - Romania", "ro", 0x0418),
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LANG("Romanian - Republic of Moldova", "ro_mo", 0x0818),
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LANG("Russian", "ru", 0x0419),
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LANG("Russian - Republic of Moldova", "ru_mo", 0x0819),
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LANG("Sanskrit", "sa", 0x044F),
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LANG("Serbian - Cyrillic", "sr_sp", 0x0C1A),
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LANG("Serbian - Latin", "sr_sp", 0x081A),
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LANG("Setsuana", "tn", 0x0432),
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LANG("Slovenian", "sl", 0x0424),
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LANG("Slovak", "sk", 0x041B),
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LANG("Sorbian", "sb", 0x042E),
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LANG("Spanish - Spain (Traditional)", "es_es", 0x040A),
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LANG("Spanish - Argentina", "es_ar", 0x2C0A),
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LANG("Spanish - Bolivia", "es_bo", 0x400A),
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LANG("Spanish - Chile", "es_cl", 0x340A),
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LANG("Spanish - Colombia", "es_co", 0x240A),
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LANG("Spanish - Costa Rica", "es_cr", 0x140A),
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LANG("Spanish - Dominican Republic", "es_do", 0x1C0A),
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LANG("Spanish - Ecuador", "es_ec", 0x300A),
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LANG("Spanish - Guatemala", "es_gt", 0x100A),
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LANG("Spanish - Honduras", "es_hn", 0x480A),
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LANG("Spanish - Mexico", "es_mx", 0x080A),
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LANG("Spanish - Nicaragua", "es_ni", 0x4C0A),
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LANG("Spanish - Panama", "es_pa", 0x180A),
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LANG("Spanish - Peru", "es_pe", 0x280A),
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LANG("Spanish - Puerto Rico", "es_pr", 0x500A),
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LANG("Spanish - Paraguay", "es_py", 0x3C0A),
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LANG("Spanish - El Salvador", "es_sv", 0x440A),
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LANG("Spanish - Uruguay", "es_uy", 0x380A),
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LANG("Spanish - Venezuela", "es_ve", 0x200A),
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LANG("Southern Sotho", "st", 0x0430),
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LANG("Swahili", "sw", 0x0441),
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LANG("Swedish - Sweden", "sv_se", 0x041D),
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LANG("Swedish - Finland", "sv_fi", 0x081D),
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LANG("Tamil", "ta", 0x0449),
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LANG("Tatar", "tt", 0X0444),
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LANG("Thai", "th", 0x041E),
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LANG("Turkish", "tr", 0x041F),
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LANG("Tsonga", "ts", 0x0431),
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LANG("Ukrainian", "uk", 0x0422),
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LANG("Urdu", "ur", 0x0420),
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LANG("Uzbek - Cyrillic", "uz_uz", 0x0843),
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LANG("Uzbek – Latin", "uz_uz", 0x0443),
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LANG("Vietnamese", "vi", 0x042A),
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LANG("Xhosa", "xh", 0x0434),
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LANG("Yiddish", "yi", 0x043D),
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LANG("Zulu", "zu", 0x0435),
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LANG(NULL, NULL, 0x0),
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};
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uint16_t get_usb_code_for_current_locale()
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{
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char *locale;
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char search_string[64];
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char *ptr;
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/* Get the current locale. */
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locale = setlocale(0, NULL);
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if (!locale)
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return 0x0;
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/* Make a copy of the current locale string. */
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strncpy(search_string, locale, sizeof(search_string));
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search_string[sizeof(search_string)-1] = '\0';
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/* Chop off the encoding part, and make it lower case. */
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ptr = search_string;
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while (*ptr) {
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*ptr = tolower(*ptr);
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if (*ptr == '.') {
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*ptr = '\0';
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break;
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}
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ptr++;
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}
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/* Find the entry which matches the string code of our locale. */
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struct lang_map_entry *lang = lang_map;
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while (lang->string_code) {
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if (!strcmp(lang->string_code, search_string)) {
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return lang->usb_code;
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}
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lang++;
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}
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/* There was no match. Find with just the language only. */
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/* Chop off the variant. Chop it off at the '_'. */
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ptr = search_string;
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while (*ptr) {
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*ptr = tolower(*ptr);
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if (*ptr == '_') {
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*ptr = '\0';
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break;
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}
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ptr++;
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}
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#if 0 // TODO: Do we need this?
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/* Find the entry which matches the string code of our language. */
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lang = lang_map;
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while (lang->string_code) {
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if (!strcmp(lang->string_code, search_string)) {
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return lang->usb_code;
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}
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lang++;
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}
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#endif
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/* Found nothing. */
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return 0x0;
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}
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