Merge remote-tracking branch 'Kernel/master'

Kernel/library/c/ctype.c

@@ -0,0 +1,28 @@
+/*
+	This file is part of Fennix Kernel.
+
+	Fennix Kernel is free software: you can redistribute it and/or
+	modify it under the terms of the GNU General Public License as
+	published by the Free Software Foundation, either version 3 of
+	the License, or (at your option) any later version.
+
+	Fennix Kernel 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 General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#include <ctype.h>
+
+int tolower(int c)
+{
+	return _tolower(c);
+}
+
+int toupper(int c)
+{
+	return _toupper(c);
+}

Kernel/library/c/stdio.cpp

@@ -0,0 +1,100 @@
+/*
+	This file is part of Fennix Kernel.
+
+	Fennix Kernel is free software: you can redistribute it and/or
+	modify it under the terms of the GNU General Public License as
+	published by the Free Software Foundation, either version 3 of
+	the License, or (at your option) any later version.
+
+	Fennix Kernel 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 General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <debug.h>
+
+FILE __local_stdin = {.st = 0};
+FILE __local_stdout = {.st = 1};
+FILE __local_stderr = {.st = 2};
+
+FILE *stdin = &__local_stdin;
+FILE *stdout = &__local_stdout;
+FILE *stderr = &__local_stderr;
+
+EXTERNC int asprintf(char **strp, const char *fmt, ...)
+{
+	va_list ap;
+	va_start(ap, fmt);
+	int ret = vasprintf(strp, fmt, ap);
+	va_end(ap);
+	return ret;
+}
+
+#define va_copy(dest, src) __builtin_va_copy(dest, src)
+
+EXTERNC int vasprintf(char **strp, const char *fmt, va_list ap)
+{
+	va_list ap2;
+	va_copy(ap2, ap);
+	int len = vsnprintf(NULL, 0, fmt, ap2);
+	va_end(ap2);
+	if (len < 0)
+	{
+		return -1;
+	}
+	*strp = (char *)malloc(len + 1);
+	if (!*strp)
+	{
+		return -1;
+	}
+	int ret = vsnprintf(*strp, len + 1, fmt, ap);
+	if (ret < 0)
+	{
+		free(*strp);
+		*strp = NULL;
+	}
+	return ret;
+}
+
+int fprintf(FILE *stream, const char *format, ...)
+{
+	switch (stream->st)
+	{
+	case 0:
+	{
+		error("fprintf() called with stdin");
+		return -1;
+	}
+	case 1:
+	{
+		va_list ap;
+		va_start(ap, format);
+		int ret = vprintf(format, ap);
+		va_end(ap);
+		return ret;
+	}
+	case 2:
+	{
+		va_list ap;
+		va_start(ap, format);
+		int ret = vprintf(format, ap);
+		va_end(ap);
+		return ret;
+	}
+	default:
+		return -1;
+	}
+}
+
+int fputs(const char *s, FILE *stream)
+{
+	for (const char *c = s; *c; c++)
+		uart_wrapper(*c, NULL);
+	return 0;
+}

Kernel/library/c/stdlib.cpp

@@ -0,0 +1,27 @@
+/*
+	This file is part of Fennix Kernel.
+
+	Fennix Kernel is free software: you can redistribute it and/or
+	modify it under the terms of the GNU General Public License as
+	published by the Free Software Foundation, either version 3 of
+	the License, or (at your option) any later version.
+
+	Fennix Kernel 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 General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#include <stdlib.h>
+#include <debug.h>
+#include <cpu.hpp>
+
+EXTERNC void abort()
+{
+	error("abort() called");
+	CPU::Stop();
+	__builtin_unreachable();
+}