From ffc14c05b5260166050397cfa50bb88299febea0 Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Wed, 24 Feb 2021 23:05:00 +0100
Subject: Added default HANDLER argument

---
 Makefile |  2 ++
 main.c   | 14 ++++++++------
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/Makefile b/Makefile
index 26bb34c..226323a 100644
--- a/Makefile
+++ b/Makefile
@@ -4,9 +4,11 @@ LDLIBS+=-llua5.3
 
 PREFIX?=/usr/local
 SHARE?=$(PREFIX)/share
+PLOP_DEFAULT_HANDLER?=$(SHARE)/plop/default.lua
 
 plop: connection.o main.o plop.o stream.o response.o
 
+main.o: CFLAGS+=-DPLOP_DEFAULT_HANDLER=\"$(PLOP_DEFAULT_HANDLER)\"
 main.o: plop.h
 plop.o: connection.h plop.h stream.h
 connection.o: connection.h
diff --git a/main.c b/main.c
index 1f932fc..3587c56 100644
--- a/main.c
+++ b/main.c
@@ -11,8 +11,9 @@
 static void usage(const char * const name)
 {
 	dprintf(2,
-		"Usage: %s [-p PORT] HANDLER\n"
-		"Starts plop server listening on PORT and serving HANDLER.\n\n"
+		"Usage: %s [-p PORT] [HANDLER]\n"
+		"Starts plop server listening on PORT and serving HANDLER.\n"
+		"HANDLER defaults to '" PLOP_DEFAULT_HANDLER "'.\n\n"
 		"  -p\tstart listening on PORT (default: 8080)\n",
 		name);
 }
@@ -43,10 +44,11 @@ int main(int argc, char ** argv)
 		}
 	}
 
-	if (optind >= argc)
+	const char * handler_path = PLOP_DEFAULT_HANDLER;
+
+	if (optind < argc)
 	{
-		usage(argv[0]);
-		return 8;
+		handler_path = argv[optind];
 	}
 
 	lua_State * L = plop_initialize_lua();
@@ -56,7 +58,7 @@ int main(int argc, char ** argv)
 		return 9;
 	}
 
-	if (LUA_OK != plop_load_handler(L, argv[optind]))
+	if (LUA_OK != plop_load_handler(L, handler_path))
 	{
 		return 2;
 	}
-- 
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