From 6026315ad2fd737319448b684abf6251be9a50d2 Mon Sep 17 00:00:00 2001
From: Igor Khomyakov <ikh@iri.columbia.edu>
Date: Thu, 8 Mar 2012 14:00:31 -0500
Subject: [PATCH] executes config.lua config file and converts stdin into lua
 program that io.writes the input to stdout

---
 miconf/Makefile |  2 ++
 miconf/miconf.c | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 77 insertions(+)
 create mode 100644 miconf/Makefile
 create mode 100644 miconf/miconf.c

diff --git a/miconf/Makefile b/miconf/Makefile
new file mode 100644
index 0000000..bb10719
--- /dev/null
+++ b/miconf/Makefile
@@ -0,0 +1,2 @@
+miconf: miconf.c
+	gcc -O2 -I ${HOME}/local/include -L${HOME}/local/lib -o miconf miconf.c -l lua
diff --git a/miconf/miconf.c b/miconf/miconf.c
new file mode 100644
index 0000000..d9ee0cd
--- /dev/null
+++ b/miconf/miconf.c
@@ -0,0 +1,75 @@
+/*
+ * Copyright (c) 2012 Igor Khomyakov. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1) Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2) Redistributions of source code with modification must include a notice
+ * that the code was modified.
+ * 3) Neither the names of the authors nor the names of their contributors may
+ * be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include "lua.h"
+#include "lauxlib.h"
+#include "lualib.h"
+
+#define WRITE_BATCH 50
+#define WRITE_BEG "[=====["
+#define WRITE_END "]=====]"
+
+void convert(FILE* fi, FILE* fo) {
+   int lineno = 1;
+   int c;
+   fprintf(fo,"io.write(%s",WRITE_BEG);
+   do {
+      c = getc(fi);
+      if (c == EOF) {
+         if (ferror(fi)) {
+            fprintf(stderr,"stdin error: %d\n", errno);
+            exit(1);
+         }
+      } else if (c == '\n') {
+         fputc(c,fo);
+         if (lineno % WRITE_BATCH == 0) {
+            fprintf(fo,"%s)\nio.write(%s",WRITE_END,WRITE_BEG);
+         }
+         lineno++;
+      } else {
+         fputc(c,fo);
+      }
+   } while (c != EOF);
+   fprintf(fo,"%s)\n",WRITE_END);
+}
+
+
+int main(int argc, char* argv[]) {
+   lua_State *L = luaL_newstate();
+   luaL_openlibs(L);
+   if (luaL_dofile(L,"config.lua")!=0) {
+      fprintf(stderr,"%s\n",lua_tostring(L,-1));
+      lua_pop(L,1);
+      exit(1);
+   }
+   convert(stdin,stdout);
+   lua_close(L);
+   return(0);
+}
+
-- 
2.11.4.GIT