Make FreeBSD locale support complete: add support for rest locale categories

LC_MONETARY, LC_NUMERIC and LC_MESSAGES. Remove stub functions since they
don't need anymore.

Reviewed by:	silence on -i18n

1 files changed, 165 insertions, 0 deletions

diff --git a/lib/libc/locale/ldpart.c b/lib/libc/locale/ldpart.c
new file mode 100644
index 0000000..7675a0c
--- /dev/null
+++ b/lib/libc/locale/ldpart.c
@@ -0,0 +1,165 @@
+/*
+ * Copyright (c) 2000, 2001 Alexey Zelkin
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/syslimits.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include "setlocale.h"
+#include "ldpart.h"
+
+static int split_lines(char *, const char *);
+static void set_from_buf(const char *, int, const char **);
+
+int
+__part_load_locale(const char *name,
+		int* using_locale,
+		char *locale_buf,
+		const char *category_name,
+		int locale_buf_size,
+		const char **dst_localebuf) {
+
+	static char		locale_buf_C[] = "C";
+	static int		num_lines;
+
+	int			fd;
+	char *			lbuf;
+	char *			p;
+	const char *		plim;
+	char                    filename[PATH_MAX];
+	struct stat		st;
+	size_t			namesize;
+	size_t			bufsize;
+	int                     save_using_locale;
+
+	save_using_locale = *using_locale;
+	*using_locale = 0;
+
+	if (name == NULL)
+		goto no_locale;
+
+	if (!strcmp(name, "C") || !strcmp(name, "POSIX"))
+		return 0;
+
+	/*
+	** If the locale name is the same as our cache, use the cache.
+	*/
+	lbuf = locale_buf;
+	if (lbuf != NULL && strcmp(name, lbuf) == 0) {
+		set_from_buf(lbuf, num_lines, dst_localebuf);
+		*using_locale = 1;
+		return 0;
+	}
+	/*
+	** Slurp the locale file into the cache.
+	*/
+	namesize = strlen(name) + 1;
+
+	if (!_PathLocale)
+		goto no_locale;
+	/* Range checking not needed, 'name' size is limited */
+	strcpy(filename, _PathLocale);
+	strcat(filename, "/");
+	strcat(filename, name);
+	strcat(filename, "/");
+	strcat(filename, category_name);
+	fd = _open(filename, O_RDONLY);
+	if (fd < 0)
+		goto no_locale;
+	if (fstat(fd, &st) != 0)
+		goto bad_locale;
+	if (st.st_size <= 0)
+		goto bad_locale;
+	bufsize = namesize + st.st_size;
+	locale_buf = NULL;
+	lbuf = (lbuf == NULL || lbuf == locale_buf_C) ?
+		malloc(bufsize) : reallocf(lbuf, bufsize);
+	if (lbuf == NULL)
+		goto bad_locale;
+	(void) strcpy(lbuf, name);
+	p = lbuf + namesize;
+	plim = p + st.st_size;
+	if (_read(fd, p, (size_t) st.st_size) != st.st_size)
+		goto bad_lbuf;
+	if (_close(fd) != 0)
+		goto bad_lbuf;
+	/*
+	** Parse the locale file into localebuf.
+	*/
+	if (plim[-1] != '\n')
+		goto bad_lbuf;
+	num_lines = split_lines(p, plim);
+	if (num_lines >= locale_buf_size)
+		num_lines = locale_buf_size;
+	else
+		goto reset_locale;
+	set_from_buf(lbuf, num_lines, dst_localebuf);
+	/*
+	** Record the successful parse in the cache.
+	*/
+	locale_buf = lbuf;
+
+	*using_locale = 1;
+	return 0;
+
+reset_locale:
+	locale_buf = locale_buf_C;
+	save_using_locale = 0;
+bad_lbuf:
+	free(lbuf);
+bad_locale:
+	(void)_close(fd);
+no_locale:
+	*using_locale = save_using_locale;
+	return -1;
+}
+
+static int
+split_lines(char *p, const char *plim)
+{
+	int i;
+
+	for (i = 0; p < plim; i++) {
+		p = strchr(p, '\n');
+		*p++ = '\0';
+	}
+	return i;
+}
+
+static void
+set_from_buf(const char *p, int num_lines, const char **dst_localebuf)
+{
+	const char **ap;
+	int i;
+
+	for (ap = dst_localebuf, i = 0; i < num_lines; ++ap, ++i)
+		*ap = p += strlen(p) + 1;
+}
+