1 files changed, 90 insertions, 0 deletions
diff --git a/src/common/nullpo.c b/src/common/nullpo.c
new file mode 100644
index 000000000..0e2f53664
--- /dev/null
+++ b/src/common/nullpo.c
@@ -0,0 +1,90 @@
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#include "nullpo.h"
+// #include "logs.h" // 布石してみる
+
+static void nullpo_info_core(const char *file, int line, const char *func, 
+                             const char *fmt, va_list ap);
+
+/*======================================
+ * Nullチェック 及び 情報出力
+ *--------------------------------------
+ */
+int nullpo_chk_f(const char *file, int line, const char *func, const void *target,
+                 const char *fmt, ...)
+{
+	va_list ap;
+	
+	if (target != NULL)
+		return 0;
+	
+	va_start(ap, fmt);
+	nullpo_info_core(file, line, func, fmt, ap);
+	va_end(ap);
+	return 1;
+}
+
+int nullpo_chk(const char *file, int line, const char *func, const void *target)
+{
+	if (target != NULL)
+		return 0;
+	
+	nullpo_info_core(file, line, func, NULL, NULL);
+	return 1;
+}
+
+
+/*======================================
+ * nullpo情報出力(外部呼出し向けラッパ)
+ *--------------------------------------
+ */
+void nullpo_info_f(const char *file, int line, const char *func, 
+                 const char *fmt, ...)
+{
+	va_list ap;
+	
+	va_start(ap, fmt);
+	nullpo_info_core(file, line, func, fmt, ap);
+	va_end(ap);
+}
+
+void nullpo_info(const char *file, int line, const char *func)
+{
+	nullpo_info_core(file, line, func, NULL, NULL);
+}
+
+
+/*======================================
+ * nullpo情報出力(Main)
+ *--------------------------------------
+ */
+static void nullpo_info_core(const char *file, int line, const char *func, 
+                             const char *fmt, va_list ap)
+{
+	if (file == NULL)
+		file = "??";
+	
+	func =
+		func == NULL    ? "unknown":
+		func[0] == '\0' ? "unknown":
+		                  func;
+	
+	printf("--- nullpo info --------------------------------------------\n");
+	printf("%s:%d: in func `%s'\n", file, line, func);
+	if (fmt != NULL)
+	{
+		if (fmt[0] != '\0')
+		{
+			vprintf(fmt, ap);
+			
+			// 最後に改行したか確認
+			if (fmt[strlen(fmt)-1] != '\n')
+				printf("\n");
+		}
+	}
+	printf("--- end nullpo info ----------------------------------------\n");
+	
+	// ここらでnullpoログをファイルに書き出せたら
+	// まとめて提出できるなと思っていたり。
+}