src/locale/langinfo.c

   1 #include <locale.h>
   2 #include <langinfo.h>
   3 #include "locale_impl.h"
   4
   5 static const char c_time[] =
   6         "Sun\0" "Mon\0" "Tue\0" "Wed\0" "Thu\0" "Fri\0" "Sat\0"
   7         "Sunday\0" "Monday\0" "Tuesday\0" "Wednesday\0"
   8         "Thursday\0" "Friday\0" "Saturday\0"
   9         "Jan\0" "Feb\0" "Mar\0" "Apr\0" "May\0" "Jun\0"
  10         "Jul\0" "Aug\0" "Sep\0" "Oct\0" "Nov\0" "Dec\0"
  11         "January\0"   "February\0" "March\0"    "April\0"
  12         "May\0"       "June\0"     "July\0"     "August\0"
  13         "September\0" "October\0"  "November\0" "December\0"
  14         "AM\0" "PM\0"
  15         "%a %b %e %T %Y\0"
  16         "%m/%d/%y\0"
  17         "%H:%M:%S\0"
  18         "%I:%M:%S %p\0"
  19         "\0"
  20         "\0"
  21         "%m/%d/%y\0"
  22         "0123456789\0"
  23         "%a %b %e %T %Y\0"
  24         "%H:%M:%S";
  25
  26 static const char c_messages[] = "^[yY]\0" "^[nN]\0" "yes\0" "no";
  27 static const char c_numeric[] = ".\0" "";
  28
  29 char *__nl_langinfo_l(nl_item item, locale_t loc)
  30 {
  31         int cat = item >> 16;
  32         int idx = item & 65535;
  33         const char *str;
  34
  35         if (item == CODESET) return loc->cat[LC_CTYPE] ? "UTF-8" : "ASCII";
  36
  37         /* _NL_LOCALE_NAME extension */
  38         if (idx == 65535 && cat < LC_ALL)
  39                 return loc->cat[cat] ? (char *)loc->cat[cat]->name : "C";
  40
  41         switch (cat) {
  42         case LC_NUMERIC:
  43                 if (idx > 1) return "";
  44                 str = c_numeric;
  45                 break;
  46         case LC_TIME:
  47                 if (idx > 0x31) return "";
  48                 str = c_time;
  49                 break;
  50         case LC_MONETARY:
  51                 if (idx > 0) return "";
  52                 str = "";
  53                 break;
  54         case LC_MESSAGES:
  55                 if (idx > 3) return "";
  56                 str = c_messages;
  57                 break;
  58         default:
  59                 return "";
  60         }
  61
  62         for (; idx; idx--, str++) for (; *str; str++);
  63         if (cat != LC_NUMERIC && *str) str = LCTRANS(str, cat, loc);
  64         return (char *)str;
  65 }
  66
  67 char *__nl_langinfo(nl_item item)
  68 {
  69         return __nl_langinfo_l(item, CURRENT_LOCALE);
  70 }
  71
  72 weak_alias(__nl_langinfo, nl_langinfo);
  73 weak_alias(__nl_langinfo_l, nl_langinfo_l);