Commit: 6f774dc65e25fae19a71c66293b6ffbe3b4fa4e6 - mruby_brightv_hello (git)

超漢字上で、mrubyを使ってhello worldを表示させる。

Commit MetaInfo

• Revision: 6f774dc65e25fae19a71c66293b6ffbe3b4fa4e6 (tree)
• Time: 2017-06-05 23:18:29
• Author: ornse01 <ornse01@user...>
• Commiter: ornse01

Log Message

add gems for B-right/V posix wrapper.

Change Summary

• add: src/mrbgems_port/mruby-brightv-posixwrapper/mrbgem.rake
• add: src/mrbgems_port/mruby-brightv-posixwrapper/src/posix.c

Incremental Difference

--- /dev/null
+++ b/src/mrbgems_port/mruby-brightv-posixwrapper/mrbgem.rake
@@ -0,0 +1,5 @@
+MRuby::Gem::Specification.new('mruby-brightv-posixwrapper') do |spec|
+  spec.license = 'MIT'
+  spec.authors = ['ornse01']
+  spec.summary = 'posix wrapper for B-right/V port'
+end

--- /dev/null
+++ b/src/mrbgems_port/mruby-brightv-posixwrapper/src/posix.c
@@ -0,0 +1,85 @@
+#include "../../../posix_include/stdio.h"
+#include "../../../posix_include/math.h"
+#include <bstring.h>
+#include <bstdarg.h>
+#include <bstdlib.h>
+
+#include "mruby.h"
+
+double __nan()
+{
+	static char nan_byte[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0xff};
+	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;
+	double ninf = -inf;
+	return (memcmp(&x, &inf, sizeof(double)) == 0) || (memcmp(&x, &ninf, 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;
+}
+
+void
+mrb_mruby_brightv_posixwrapper_gem_init(mrb_state* mrb)
+{
+}
+
+void
+mrb_mruby_brightv_posixwrapper_gem_final(mrb_state* mrb)
+{
+}