1 files changed, 116 insertions, 0 deletions
diff --git a/nonstd/libc.c b/nonstd/libc.c
new file mode 100644
index 00000000..766f917f
--- /dev/null
+++ b/nonstd/libc.c
@@ -0,0 +1,116 @@
+#include <stddef.h>
+#include "nonstd/types.h"
+
+#include "nonstd/public/setjmp.h"
+
+#include "nonstd/static/locale.h"
+#include "nonstd/static/thread.h"
+/*
+#include "nonstd/static/wctype.h"
+#include "nonstd/static/wctrans.h"
+*/
+#include "nonstd/static/printf.h"
+#include "nonstd/static/scanf.h"
+#include "nonstd/static/fopen.h"
+
+#include "nonstd/syscall.h"
+
+#include "__linux.h"
+
+/*
+static int __syscall_byname(const char *name, ...)
+{
+	int ret = -1;
+	int sc = __libc.syscall_lookup(name);
+	va_list ap;
+	va_start(ap, name);
+	ret = __libc.syscall_arglist(sc, ap);
+	va_end(ap);
+	return ret;
+}
+
+static int __syscall_bynum(int call, ...)
+{
+	int ret = -1;
+	va_list ap;
+	va_start(ap, call);
+	ret = __libc.syscall_arglist(call, ap);
+	va_end(ap);
+	return ret;
+}
+*/
+
+struct libc __libc = {
+	.ctype = {
+		.ctattr = 0,
+		.ctolower = 1,
+		.ctoupper = 2,
+		.lower = 1 << 1,
+		.punct = 1 << 2,
+		.space = 1 << 3,
+		.upper = 1 << 4,
+		.xdigit = 1 << 5,
+		.getmap = __getmap,
+	},
+	.stdio.printf = __common_printf,
+	.stdio.scanf = __common_scanf,
+	.stdio.fopen = __common_fopen,
+	.stdlib.rand = 1,
+	.stdlib.atexit_max = 32,
+	/*
+	.wctype.wctype =  __wctype,
+	.wctype.nwctype = sizeof(__wctype) / sizeof(__wctype[0]),
+	.wctype.wctrans = __wctrans,
+	.wctype.nwctrans = sizeof(__wctrans) / sizeof(__wctrans[0]),
+	.unistd.confstr = confstr,
+	.unistd.nconfstr = sizeof(confstr) / sizeof(confstr[0]),
+	*/
+	.syscall_lookup = __syscall_lookup,
+	.syscall = __syscall,
+	/*
+	.syscall_byname = __syscall_byname,
+	.syscall_bynum = __syscall_bynum,
+	.syscall_arglist = __syscall_arglist,
+	*/
+	.per_thread = per_thread,
+};
+
+extern int main();
+
+void __libc_start(int argc, char **argv)
+{
+	struct __fopen_options fo = {0};
+	fo.fd = 0;
+	stdin = __libc.stdio.fopen(&fo);
+	fo.fd = 1;
+	stdout = __libc.stdio.fopen(&fo);
+	fo.fd = 2;
+	stderr = __libc.stdio.fopen(&fo);
+	exit(main(argc, argv));
+}
+
+
+#include <stdio.h>
+#include <stdlib.h>
+
+/* TODO: i18n */
+
+void __assert(const char *expr, const char *file, int line, const char *func)
+{
+	if (func) {
+		fprintf(stderr, "Assertion failed: %s (%s:%d:%s())\n", expr,
+			file, line, func);
+	} else {
+		fprintf(stderr, "Assertion failed: %s (%s:%d)\n", expr, file,
+			line);
+	}
+	abort();
+}
+
+int *__errno(void)
+{
+	return &__libc.per_thread()->err;
+}
+
+
+FILE *stdin, *stdout, *stderr;