Expose nl_langinfo through locale where available.
This commit is contained in:
Martin v. Löwis
parent
09379da7de
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9b75dca192
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@ -108,6 +108,15 @@ locale.setlocale(locale.LC_ALL, '')
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\end{tableii}
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\end{funcdesc}
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\begin{funcdesc}{nl_langinfo}{option}
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Return some locale-specific information as a string. This function is
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not available on all systems, and the set of possible options might
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also vary across platforms. The possible argument values are numbers,
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for which symbolic constants are available in the locale module.
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\end{funcdesc}
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\begin{funcdesc}{getdefaultlocale}{\optional{envvars}}
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Tries to determine the default locale settings and returns
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them as a tuple of the form \code{(\var{language code},
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@ -259,6 +268,116 @@ locale.setlocale(locale.LC_ALL, '')
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\function{localeconv()}.
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\end{datadesc}
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The \function{nl_langinfo} function accepts one of the following keys.
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Most descriptions are taken from the corresponding description in the
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GNU C library.
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\begin{datadesc}{CODESET}
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Return a string with the name of the character encoding used in the
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selected locale.
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\end{datadesc}
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\begin{datadesc}{D_T_FMT}
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Return a string that can be used as a format string for strftime(3) to
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represent time and date in a locale-specific way.
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\end{datadesc}
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\begin{datadesc}{D_FMT}
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Return a string that can be used as a format string for strftime(3) to
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represent a date in a locale-specific way.
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\end{datadesc}
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\begin{datadesc}{T_FMT}
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Return a string that can be used as a format string for strftime(3) to
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represent a time in a locale-specific way.
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\end{datadesc}
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\begin{datadesc}{T_FMT_AMPM}
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The return value can be used as a format string for `strftime' to
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represent time in the am/pm format.
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\end{datadesc}
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\begin{datadesc}{DAY_1 ... DAY_7}
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Return name of the n-th day of the week. \[Warning: this follows the US
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convention DAY_1 = Sunday, not the international convention (ISO 8601)
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that Monday is the first day of the week.\]
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\end{datadesc}
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\begin{datadesc}{ABDAY_1 ... ABDAY_7}
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Return abbreviated name of the n-th day of the week.
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\end{datadesc}
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\begin{datadesc}{MON_1 ... MON_12}
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Return name of the n-th month.
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\end{datadesc}
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\begin{datadesc}{ABMON_1 ... ABMON_12}
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Return abbreviated name of the n-th month.
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\end{datadesc}
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\begin{datadesc}{RADIXCHAR}
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Return radix character (decimal dot, decimal comma, etc.)
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\end{datadesc}
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\begin{datadesc}{THOUSEP}
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Return separator character for thousands (groups of three digits).
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\end{datadesc}
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\begin{datadesc}{YESEXPR}
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Return a regular expression that can be used with the regex
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function to recognize a positive response to a yes/no question.
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\[Warning: the expression is in the syntax suitable for the
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regex C library function, which might differ from the syntax
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used in \module{re}\]
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\end{datadesc}
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\begin{datadesc}{NOEXPR}
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Return a regular expression that can be used with the regex(3)
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function to recognize a negative response to a yes/no question.
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\end{datadesc}
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\begin{datadesc}{CRNCYSTR}
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Return the currency symbol, preceded by "-" if the symbol should
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appear before the value, "+" if the symbol should appear after the
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value, or "." if the symbol should replace the radix character.
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\end{datadesc}
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\begin{datadesc}{ERA}
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The return value represents the era used in the current locale.
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Most locales do not define this value. An example of a locale which
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does define this value is the Japanese one. In Japan, the traditional
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representation of dates includes the name of the era corresponding to
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the then-emperor's reign.
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Normally it should not be necessary to use this value directly.
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Specifying the \code{E} modifier in their format strings causes the
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\function{strftime} function to use this information. The format of the
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returned string is not specified, and therefore you should not assume
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knowledge of it on different systems.
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\end{datadesc}
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\begin{datadesc}{ERA_YEAR}
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The return value gives the year in the relevant era of the locale.
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\end{datadesc}
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\begin{datadesc}{ERA_D_T_FMT}
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This return value can be used as a format string for
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\function{strftime} to represent dates and times in a locale-specific
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era-based way.
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\end{datadesc}
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\begin{datadesc}{ERA_D_FMT}
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This return value can be used as a format string for
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\function{strftime} to represent time in a locale-specific era-based
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way.
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\end{datadesc}
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\begin{datadesc}{ALT_DIGITS}
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The return value is a representation of up to 100 values used to
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represent the values 0 to 99.
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\end{datadesc}
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Example:
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\begin{verbatim}
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@ -31,6 +31,8 @@ aliases = {
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# ASCII
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'us_ascii': 'ascii',
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'ansi_x3.4_1968': 'ascii', # used on Linux
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'646': 'ascii', # used on Solaris
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# EBCDIC
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'ebcdic_cp_us': 'cp037',
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@ -17,6 +17,10 @@ This software comes with no warranty. Use at your own risk.
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#include <string.h>
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#include <ctype.h>
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#ifdef HAVE_LANGINFO_H
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#include <langinfo.h>
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#endif
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#if defined(MS_WIN32)
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#define WINDOWS_LEAN_AND_MEAN
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#include <windows.h>
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@ -391,6 +395,23 @@ PyLocale_getdefaultlocale(PyObject* self, PyObject* args)
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}
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#endif
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#ifdef HAVE_LANGINFO_H
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static char nl_langinfo__doc__[] =
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"nl_langinfo(key) -> string\n"
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"Return the value for the locale information associated with key."
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;
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static PyObject*
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PyLocale_nl_langinfo(PyObject* self, PyObject* args)
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{
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int item;
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if (!PyArg_ParseTuple(args, "i:nl_langinfo", &item))
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return NULL;
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return PyString_FromString(nl_langinfo(item));
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}
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#endif
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static struct PyMethodDef PyLocale_Methods[] = {
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{"setlocale", (PyCFunction) PyLocale_setlocale,
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METH_VARARGS, setlocale__doc__},
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@ -403,6 +424,11 @@ static struct PyMethodDef PyLocale_Methods[] = {
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#if defined(MS_WIN32) || defined(macintosh)
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{"_getdefaultlocale", (PyCFunction) PyLocale_getdefaultlocale, 0},
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#endif
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#ifdef HAVE_LANGINFO_H
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{"nl_langinfo", (PyCFunction) PyLocale_nl_langinfo,
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METH_VARARGS, nl_langinfo__doc__},
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#endif
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{NULL, NULL}
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};
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@ -455,4 +481,81 @@ init_locale(void)
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x = PyString_FromString(locale__doc__);
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PyDict_SetItemString(d, "__doc__", x);
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Py_XDECREF(x);
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#define ADDINT(X) PyModule_AddIntConstant(m, #X, X)
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#ifdef HAVE_LANGINFO_H
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/* These constants should exist on any langinfo implementation */
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ADDINT(DAY_1);
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ADDINT(DAY_2);
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ADDINT(DAY_3);
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ADDINT(DAY_4);
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ADDINT(DAY_5);
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ADDINT(DAY_6);
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ADDINT(DAY_7);
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ADDINT(ABDAY_1);
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ADDINT(ABDAY_2);
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ADDINT(ABDAY_3);
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ADDINT(ABDAY_4);
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ADDINT(ABDAY_5);
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ADDINT(ABDAY_6);
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ADDINT(ABDAY_7);
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ADDINT(MON_1);
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ADDINT(MON_2);
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ADDINT(MON_3);
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ADDINT(MON_4);
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ADDINT(MON_5);
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ADDINT(MON_6);
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ADDINT(MON_7);
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ADDINT(MON_8);
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ADDINT(MON_9);
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ADDINT(MON_10);
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ADDINT(MON_11);
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ADDINT(MON_12);
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ADDINT(ABMON_1);
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ADDINT(ABMON_2);
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ADDINT(ABMON_3);
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ADDINT(ABMON_4);
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ADDINT(ABMON_5);
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ADDINT(ABMON_6);
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ADDINT(ABMON_7);
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ADDINT(ABMON_8);
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ADDINT(ABMON_9);
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ADDINT(ABMON_10);
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ADDINT(ABMON_11);
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ADDINT(ABMON_12);
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ADDINT(RADIXCHAR);
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ADDINT(THOUSEP);
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/* YESSTR and NOSTR are deprecated in glibc, since they are
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a special case of message translation, which should be rather
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done using gettext. So we don't expose it to Python in the
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first place.
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ADDINT(YESSTR);
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ADDINT(NOSTR);
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*/
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ADDINT(CRNCYSTR);
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ADDINT(D_T_FMT);
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ADDINT(D_FMT);
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ADDINT(T_FMT);
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ADDINT(AM_STR);
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ADDINT(PM_STR);
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#ifdef CODESET
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/* The following constants are available only with XPG4. */
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ADDINT(CODESET);
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ADDINT(T_FMT_AMPM);
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ADDINT(ERA);
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ADDINT(ERA_D_FMT);
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ADDINT(ERA_D_T_FMT);
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ADDINT(ERA_T_FMT);
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ADDINT(ALT_DIGITS);
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ADDINT(YESEXPR);
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ADDINT(NOEXPR);
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ADDINT(_DATE_FMT);
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#endif
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#endif /* HAVE_LANGINFO_H */
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}
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@ -413,7 +413,8 @@ dnl AC_MSG_RESULT($cpp_type)
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# checks for header files
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AC_HEADER_STDC
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AC_CHECK_HEADERS(dlfcn.h fcntl.h limits.h locale.h ncurses.h poll.h pthread.h \
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AC_CHECK_HEADERS(dlfcn.h fcntl.h limits.h langinfo.h locale.h \
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ncurses.h poll.h pthread.h \
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signal.h stdarg.h stddef.h stdlib.h thread.h unistd.h utime.h termios.h \
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sys/audioio.h sys/file.h sys/lock.h sys/modem.h db_185.h db.h \
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sys/param.h sys/poll.h sys/select.h sys/socket.h sys/time.h sys/times.h \
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@ -590,6 +590,9 @@
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/* Define if you have the <gdbm/ndbm.h> header file. */
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#undef HAVE_GDBM_NDBM_H
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/* Define if you have the <langinfo.h> header file. */
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#undef HAVE_LANGINFO_H
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/* Define if you have the <libutil.h> header file. */
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#undef HAVE_LIBUTIL_H
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