Add setlocale(3) and localeconv(3).

Ok, these are kinda hacky but they do implement a skeleton that a real
implementation can be based upon.

libmaxsi/Makefile

@@ -37,6 +37,7 @@ stdio.o \
 dir.o \
 fddir-sortix.o \
 setjmp.o \
+setlocale.o \
 sortix-sound.o \
 readparamstring.o \
 process.o \
@@ -84,6 +85,7 @@ fstat.o \
 ftruncate.o \
 getcwd.o \
 getdtablesize.o \
+localeconv.o \
 lseek.o \
 mbtowc.o \
 mkdir.o \

libmaxsi/include/locale.h

@@ -1,6 +1,6 @@
-/******************************************************************************
+/*******************************************************************************
 
-	COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2012.
+	Copyright(C) Jonas 'Sortie' Termansen 2012.
 
 	This file is part of LibMaxsi.
 
@@ -11,8 +11,8 @@
 
 	LibMaxsi is distributed in the hope that it will be useful, but WITHOUT ANY
 	WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-	FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
-	more details.
+	FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+	details.
 
 	You should have received a copy of the GNU Lesser General Public License
 	along with LibMaxsi. If not, see <http://www.gnu.org/licenses/>.
@@ -29,7 +29,50 @@
 
 __BEGIN_DECLS
 
-/* TODO: Actually implement this header. */
+struct lconv
+{
+	char* decimal_point;
+	char* thousands_sep;
+	char* grouping;
+	char* int_curr_symbol;
+	char* currency_symbol;
+	char* mon_decimal_point;
+	char* mon_thousands_sep;
+	char* mon_grouping;
+	char* positive_sign;
+	char* negative_sign;
+	char int_frac_digits;
+	char frac_digits;
+	char p_cs_precedes;
+	char n_cs_precedes;
+	char p_sep_by_space;
+	char n_sep_by_space;
+	char p_sign_posn;
+	char n_sign_posn;
+	char int_p_cs_precedes;
+	char int_n_cs_precedes;
+	char int_p_sep_by_space;
+	char int_n_sep_by_space;
+	char int_p_sign_posn;
+	char int_n_sign_posn;
+};
+
+#define LC_COLLATE 0
+#define LC_CTYPE 1
+#define LC_MESSAGES 2
+#define LC_MONETARY 3
+#define LC_NUMERIC 4
+#define LC_TIME 5
+#define LC_ALL 6
+#define LC_NUM_CATEGORIES LC_ALL
+
+const char* sortix_setlocale(int category, const char* locale);
+#if defined(_SORTIX_SOURCE) && __SORTIX_STDLIB_REDIRECTS
+const char* setlocale(int category, const char* locale) asm("sortix_setlocale");
+#else
+char* setlocale(int category, const char* locale);
+#endif
+struct lconv* localeconv(void);
 
 __END_DECLS
 

libmaxsi/localeconv.cpp

@@ -0,0 +1,56 @@
+/*******************************************************************************
+
+	Copyright(C) Jonas 'Sortie' Termansen 2012.
+
+	This file is part of LibMaxsi.
+
+	LibMaxsi is free software: you can redistribute it and/or modify it under
+	the terms of the GNU Lesser General Public License as published by the Free
+	Software Foundation, either version 3 of the License, or (at your option)
+	any later version.
+
+	LibMaxsi is distributed in the hope that it will be useful, but WITHOUT ANY
+	WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+	FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+	details.
+
+	You should have received a copy of the GNU Lesser General Public License
+	along with LibMaxsi. If not, see <http://www.gnu.org/licenses/>.
+
+	localeconv.cpp
+	Return locale-specific information.
+
+*******************************************************************************/
+
+#include <locale.h>
+
+static struct lconv lc;
+
+extern "C" struct lconv* localeconv(void)
+{
+	lc.decimal_point = (char*) ".";
+	lc.thousands_sep = (char*) "";
+	lc.grouping = (char*) "";
+	lc.int_curr_symbol = (char*) "";
+	lc.currency_symbol = (char*) "";
+	lc.mon_decimal_point = (char*) "";
+	lc.mon_thousands_sep = (char*) "";
+	lc.mon_grouping = (char*) "";
+	lc.positive_sign = (char*) "";
+	lc.negative_sign = (char*) "";
+	lc.int_frac_digits = 127;
+	lc.frac_digits = 127;
+	lc.p_cs_precedes = 127;
+	lc.n_cs_precedes = 127;
+	lc.p_sep_by_space = 127;
+	lc.n_sep_by_space = 127;
+	lc.p_sign_posn = 127;
+	lc.n_sign_posn = 127;
+	lc.int_p_cs_precedes = 127;
+	lc.int_n_cs_precedes = 127;
+	lc.int_p_sep_by_space = 127;
+	lc.int_n_sep_by_space = 127;
+	lc.int_p_sign_posn = 127;
+	lc.int_n_sign_posn = 127;
+	return &lc;
+}

libmaxsi/setlocale.cpp

@@ -0,0 +1,62 @@
+/*******************************************************************************
+
+	Copyright(C) Jonas 'Sortie' Termansen 2012.
+
+	This file is part of LibMaxsi.
+
+	LibMaxsi is free software: you can redistribute it and/or modify it under
+	the terms of the GNU Lesser General Public License as published by the Free
+	Software Foundation, either version 3 of the License, or (at your option)
+	any later version.
+
+	LibMaxsi is distributed in the hope that it will be useful, but WITHOUT ANY
+	WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+	FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
+	details.
+
+	You should have received a copy of the GNU Lesser General Public License
+	along with LibMaxsi. If not, see <http://www.gnu.org/licenses/>.
+
+	setlocale.cpp
+	Set program locale.
+
+*******************************************************************************/
+
+#define __SORTIX_STDLIB_REDIRECTS 0
+#include <stdlib.h>
+#include <string.h>
+#include <locale.h>
+#include <errno.h>
+
+static char* current_locales[LC_NUM_CATEGORIES] = { NULL };
+
+extern "C" const char* sortix_setlocale(int category, const char* locale)
+{
+	if ( category < 0 || LC_ALL < category ) { errno = EINVAL; return NULL; }
+	char* new_strings[LC_NUM_CATEGORIES];
+	int from = category;
+	int to = category;
+	if ( !locale ) { return current_locales[to]; }
+	if ( category == LC_ALL ) { from = 0; to = LC_NUM_CATEGORIES-1; }
+	for ( int i = from; i <= to; i++ )
+	{
+		new_strings[i] = strdup(locale);
+		if ( !new_strings[i] )
+		{
+			for ( int n = from; n < i; n++ ) { free(new_strings[n]); }
+			return NULL;
+		}
+	}
+	for ( int i = from; i <= to; i++ )
+	{
+		free(current_locales[i]);
+		current_locales[i] = new_strings[i];
+	}
+	return locale;
+}
+
+extern "C" char* setlocale(int category, const char* locale)
+{
+	return (char*) sortix_setlocale(category, locale);
+}
+