langinfo.c raw

   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);
  74