1 files changed, 37 insertions, 0 deletions
diff --git a/islang.c b/islang.c
new file mode 100644
index 0000000..af124c7
--- /dev/null
+++ b/islang.c
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2000, NBG01720@nifty.ne.jp
+ *
+ * To compile this program:
+ *	gcc -Zomf -Zcrtdll -O2 -Wall -s islang.c
+ */
+#define INCL_DOSNLS
+#include <os2.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+
+int main(int argc,char**argv){
+  if(argc<=1)
+    return 1;
+
+  if(isdigit((int)*argv[1])){
+    ULONG CpList[8],CpSize;
+    APIRET rc=DosQueryCp(sizeof(CpList),CpList,&CpSize);
+    if(rc)
+      return rc;
+    while(--argc>0)
+      if(*CpList==atoi(argv[argc]))
+	return 0;
+  }else{
+    char*lang=getenv("LANG");
+    if(!lang||!*lang){
+      lang=getenv("LANGUAGE");
+      if(!lang||!*lang)
+	return 1;
+    }
+    if(!strnicmp(lang,argv[1],2))
+      return 0;
+  }
+  return 1;
+}