usr.sbin/installer/libdfui/lang.c

   1 /*
   2  * $Id: lang.c,v 1.5 2005/02/12 00:31:46 cpressey Exp $
   3  */
   4
   5 #include <err.h>
   6 #include <stdio.h>
   7 #include <stdarg.h>
   8 #include <stdlib.h>
   9 #include <string.h>
  10 #include <unistd.h>
  11
  12 #include "lang.h"
  13
  14 struct _langset {
  15         const char *name;
  16         const char *font8x8;
  17         const char *font8x14;
  18         const char *font8x16;
  19         const char *keymap;
  20         const char *scrnmap;
  21         const char *language;
  22         const char *charset;
  23         const char *term;
  24 } langset[] = {
  25         { "ru", "cp866-8x8", "cp866-8x14", "cp866-8x16", "ru.koi8-r", "koi8-r2cp866", "ru_RU.KOI8-R", "KOI8-R", "cons25r" }
  26 };
  27
  28 #define langcount (sizeof(langset) / sizeof(struct _langset))
  29
  30 static int      get_lang_num(const char *langname);
  31 static int      system_fmt(const char *fmt, ...) __printflike(1, 2);
  32
  33
  34 static int
  35 get_lang_num(const char *langname)
  36 {
  37         size_t i;
  38
  39         for(i =0; i < langcount; i++)
  40                 if(strcmp(langset[i].name, langname) == 0)
  41                         return i;
  42
  43         return -1;
  44 }
  45
  46 static int
  47 system_fmt(const char *fmt, ...)
  48 {
  49         char *command;
  50         va_list args;
  51
  52         va_start(args, fmt);
  53         vasprintf(&command, fmt, args);
  54         va_end(args);
  55
  56 #ifdef DEBUG
  57         fprintf(stderr, "%s\n", command);
  58 #endif
  59
  60         return(system(command));
  61 }
  62
  63 /* do this once */
  64 int
  65 set_lang_syscons(const char *id)
  66 {
  67         int lang_num;
  68
  69         lang_num = get_lang_num(id);
  70
  71         if(lang_num < 0)
  72                 return(0);
  73
  74 #define kbddev "/dev/ttyv0"
  75 #define viddev "/dev/ttyv0"
  76 #define kbdcontrol "/usr/sbin/kbdcontrol"
  77 #define vidcontrol "/usr/sbin/vidcontrol"
  78
  79         if (
  80         system_fmt("%s < %s -l %s", kbdcontrol, kbddev, langset[lang_num].keymap) != 0 ||
  81         system_fmt("%s < %s -l %s", vidcontrol, viddev, langset[lang_num].scrnmap) != 0 ||
  82         system_fmt("%s < %s -f 8x8 %s", vidcontrol, viddev, langset[lang_num].font8x8) != 0 ||
  83         system_fmt("%s < %s -f 8x14 %s", vidcontrol, viddev, langset[lang_num].font8x14) != 0 ||
  84         system_fmt("%s < %s -f 8x16 %s", vidcontrol, viddev, langset[lang_num].font8x16) != 0)
  85                 return(0);
  86
  87         return(1);
  88 }
  89
  90 /* do this for each side (backend, frontend) */
  91 int
  92 set_lang_envars(const char *id)
  93 {
  94         char *term;
  95
  96         int lang_num;
  97
  98         lang_num = get_lang_num(id);
  99
 100         if(lang_num < 0)
 101                 return(0);
 102
 103         /* gettext recommended setting */
 104         setenv("LANGUAGE", langset[lang_num].name, 1);
 105
 106         /* also should be set */
 107         setenv("LANG", langset[lang_num].language, 1);
 108
 109         /* set this too for completeness */
 110         setenv("MM_CHARSET", langset[lang_num].charset, 1);
 111
 112         /* TERM must be set for some encodings */
 113         term = getenv("TERM");
 114         if((strcmp(term,"cons25") == 0) &&
 115                 langset[lang_num].term != NULL)
 116                 setenv("TERM", langset[lang_num].term, 1);
 117
 118         return(1);
 119 }