user/lua: prepare libc headers

1 files changed, 70 insertions, 0 deletions

diff --git a/src/user/lib/include/locale.h b/src/user/lib/include/locale.h
new file mode 100644
index 0000000..263dfb5
--- /dev/null
+++ b/src/user/lib/include/locale.h
@@ -0,0 +1,70 @@
+#pragma once
+#include <limits.h>
+
+#define LC_ALL 0
+#define LC_COLLATE 1
+#define LC_CTYPE 2
+#define LC_MESSAGES 3
+#define LC_MONETARY 4
+#define LC_NUMERIC 5
+#define LC_TIME 6
+
+struct lconv {
+	char *decimal_point;
+	char *thousands_sep;
+	char *grouping;
+	char *mon_decimal_point;
+	char *mon_thousands_sep;
+	char *mon_grouping;
+	char *positive_sign;
+	char *negative_sign;
+	char *currency_symbol;
+	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_curr_symbol;
+	char int_frac_digits;
+	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;
+};
+
+static inline struct lconv *localeconv(void) {
+	/* per Linux's lconv(3) */
+	static struct lconv locale = (struct lconv){
+		.decimal_point = ".",
+		.thousands_sep = "",
+		.grouping = "",
+		.mon_decimal_point = "",
+		.mon_thousands_sep = "",
+		.mon_grouping = "",
+		.positive_sign = "",
+		.negative_sign = "",
+		.currency_symbol = "",
+		.frac_digits = CHAR_MAX,
+		.p_cs_precedes = CHAR_MAX,
+		.n_cs_precedes = CHAR_MAX,
+		.p_sep_by_space = CHAR_MAX,
+		.n_sep_by_space = CHAR_MAX,
+		.p_sign_posn = CHAR_MAX,
+		.n_sign_posn = CHAR_MAX,
+		.int_curr_symbol = "",
+		.int_frac_digits = CHAR_MAX,
+		.int_p_cs_precedes = CHAR_MAX,
+		.int_n_cs_precedes = CHAR_MAX,
+		.int_p_sep_by_space = CHAR_MAX,
+		.int_n_sep_by_space = CHAR_MAX,
+		.int_p_sign_posn = CHAR_MAX,
+		.int_n_sign_posn = CHAR_MAX,
+	};
+	return &locale;
+}
+
+char *setlocale(int category, const char *locale);