Commit: 7139958a63e5c5475916e43bccc4b1cc9c822dad - mruby_brightv_hello (git)

超漢字上で、mrubyを使ってhello worldを表示させる。

Commit MetaInfo

• Révision: 7139958a63e5c5475916e43bccc4b1cc9c822dad (tree)
• l'heure: 2014-07-13 23:58:29
• Auteur: ornse01 <ornse01@user...>
• Commiter: ornse01

Message de Log

add some posix function header end implements for mruby.

Change Summary

• add: src/posix.c
• add: src/posix_include/ctype.h
• add: src/posix_include/errno.h
• add: src/posix_include/float.h
• add: src/posix_include/inttypes.h
• add: src/posix_include/limits.h
• add: src/posix_include/math.h
• add: src/posix_include/setjmp.h
• add: src/posix_include/stdint.h
• add: src/posix_include/stdio.h
• add: src/posix_include/stdlib.h
• add: src/posix_include/string.h

Modification

--- /dev/null
+++ b/src/posix.c
@@ -0,0 +1,72 @@
+#include "posix_include/stdio.h"
+#include "posix_include/math.h"
+#include <bstring.h>
+#include <bstdarg.h>
+#include <bstdlib.h>
+
+double __nan()
+{
+	static char nan_byte[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x7f};
+	return *(double*)nan_byte;
+}
+
+int isnan(double x)
+{
+	double nan = NAN;
+	return memcmp(&x, &nan, sizeof(double)) == 0;
+}
+
+int isinf(double x)
+{
+	double inf = INFINITY;
+	return memcmp(&x, &inf, sizeof(double)) == 0;
+}
+
+int isfinite(double x)
+{
+	return !isinf(x);
+}
+
+int signbit(double x)
+{
+	return x < 0.0;
+}
+
+double fmod(double x, double y)
+{
+	return (x - y * (double)((int)(x / y)));
+}
+
+int fprintf(FILE* stream, const char* format, ...)
+{
+	int ret = 0;
+
+	if (*stream == stderr || *stream == stdout) {
+		va_list list;
+		va_start(list, format);
+		ret = vprintf(format, list);
+		va_end(list);
+	}
+
+	return ret;
+}
+
+int snprintf(char *s, size_t len, const char* format, ...)
+{
+	int ret = 0;
+	int len0 = (len < 509) ? 509 : len;
+	char *p;
+	va_list list;
+
+	p = malloc(sizeof(char)*len0*3);
+
+	va_start(list, format);
+	ret = sprintf(p, format, list);
+	va_end(list);
+
+	memcpy(s, p, ret > len ? len : ret);
+
+	free(p);
+
+	return ret;
+}

--- /dev/null
+++ b/src/posix_include/ctype.h
@@ -0,0 +1 @@
+#include <bctype.h>

--- /dev/null
+++ b/src/posix_include/errno.h
@@ -0,0 +1 @@
+#include <berrno.h>

--- /dev/null
+++ b/src/posix_include/float.h
@@ -0,0 +1,3 @@
+#include <typedef.h>
+#include <bmath.h>
+

--- /dev/null
+++ b/src/posix_include/limits.h
@@ -0,0 +1,6 @@
+#ifndef __LIMITS_H__
+#define __LIMITS_H__
+
+#define CHAR_BIT 8
+
+#endif

--- /dev/null
+++ b/src/posix_include/math.h
@@ -0,0 +1,18 @@
+#include <typedef.h>
+#include <bmath.h>
+
+#ifndef __MATH_H__
+#define __MATH_H__
+
+extern double __nan();
+
+#define INFINITY ( __infinity() )
+#define NAN ( __nan() )
+
+extern int isnan(double x);
+extern int isinf(double x);
+extern int signbit(double x);
+extern double fmod(double x, double y);
+extern int isfinite(double x);
+
+#endif

--- /dev/null
+++ b/src/posix_include/setjmp.h
@@ -0,0 +1,2 @@
+#include <machine.h>
+#include <bsetjmp.h>

--- /dev/null
+++ b/src/posix_include/stdint.h
@@ -0,0 +1,20 @@
+#ifndef __STDINT_H__
+#define __STDINT_H__
+
+typedef unsigned char uint8_t;
+typedef unsigned short uint16_t;
+typedef unsigned int uint32_t;
+typedef char int8_t;
+typedef short int16_t;
+typedef int int32_t;
+
+typedef int intptr_t;
+typedef unsigned int uintptr_t;
+
+#define UINT16_MAX (0xFFFF)
+#define INT32_MAX (2147483647L)
+#define INT32_MIN (-2147483647L-1)
+
+#define SIZE_MAX (INT32_MAX)
+
+#endif

--- /dev/null
+++ b/src/posix_include/stdio.h
@@ -0,0 +1,11 @@
+#include <bstdio.h>
+
+#ifndef __STDIO_H__
+#define __STDIO_H__
+
+typedef int FILE;
+
+#define stderr (0)
+#define stdout (1)
+
+#endif

--- /dev/null
+++ b/src/posix_include/stdlib.h
@@ -0,0 +1,5 @@
+#include <basic.h>
+#include <bstdlib.h>
+
+#define EXIT_SUCCESS (0)
+#define EXIT_FAILURE (1)

--- /dev/null
+++ b/src/posix_include/string.h
@@ -0,0 +1,2 @@
+
+#include <bstring.h>