--- a/lwlink/trunk/src/Makefile.am	Sat Jan 17 20:54:20 2009 +0000
+++ b/lwlink/trunk/src/Makefile.am	Sat Jan 17 20:54:58 2009 +0000
@@ -1,3 +1,3 @@
 bin_PROGRAMS = lwlink
-lwlink_SOURCES = main.c lwlink.c
-EXTRA_DIST = lwlink.h
+lwlink_SOURCES = main.c lwlink.c util.c
+EXTRA_DIST = lwlink.h util.h

--- a/lwlink/trunk/src/lwlink.c	Sat Jan 17 20:54:20 2009 +0000
+++ b/lwlink/trunk/src/lwlink.c	Sat Jan 17 20:54:58 2009 +0000
@@ -33,8 +33,18 @@
 #include <stdlib.h>
 
 #include "lwlink.h"
+#include "util.h"
 
 int debug_level = 0;
 int outformat = OUTPUT_DECB;
 char *outfile = NULL;
 
+char **inputfiles = NULL;
+int ninputfiles = 0;
+
+void add_input_file(char *fn)
+{
+	inputfiles = lw_realloc(inputfiles, sizeof(char *) * (ninputfiles + 1));
+	inputfiles[ninputfiles++] = lw_strdup(fn);
+}
+

--- a/lwlink/trunk/src/lwlink.h	Sat Jan 17 20:54:20 2009 +0000
+++ b/lwlink/trunk/src/lwlink.h	Sat Jan 17 20:54:58 2009 +0000
@@ -32,7 +32,15 @@
 extern int debug_level;
 extern int outformat;
 extern char *outfile;
+extern int ninputfiles;
+extern char **inputfiles;
 
+#define __lwlink_E__ extern
+#else
+#define __lwlink_E__
 #endif // __lwlink_c_seen__
 
+__lwlink_E__ void add_input_file(char *fn);
+
+#undef __lwlink_E__
 #endif //__lwlink_h_seen__

--- a/lwlink/trunk/src/main.c	Sat Jan 17 20:54:20 2009 +0000
+++ b/lwlink/trunk/src/main.c	Sat Jan 17 20:54:58 2009 +0000
@@ -43,9 +43,6 @@
 	{
 	case 'o':
 		// output
-		if (outfile)
-		{
-		}
 		outfile = arg;
 		break;
 	
@@ -83,7 +80,7 @@
 		break;
 	
 	case ARGP_KEY_ARG:
-		// FIXME: input files!
+		add_input_file(arg);
 		break;
 		
 	default:
@@ -120,6 +117,11 @@
 int main(int argc, char **argv)
 {
 	argp_parse(&argp, argc, argv, 0, 0, NULL);
-
+	if (ninputfiles == 0)
+	{
+		fprintf(stderr, "No input files\n");
+		exit(1);
+	}
+	
 	exit(0);
 }

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lwlink/trunk/src/util.c	Sat Jan 17 20:54:58 2009 +0000
@@ -0,0 +1,84 @@
+/*
+util.c
+Copyright © 2008 William Astle
+
+This file is part of LWLINK.
+
+LWLINK is free software: you can redistribute it and/or modify it under the
+terms of the GNU General Public License as published by the Free Software
+Foundation, either version 3 of the License, or (at your option) any later
+version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+more details.
+
+You should have received a copy of the GNU General Public License along with
+this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*
+Utility functions
+*/
+
+#define __util_c_seen__
+
+#include <malloc.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "util.h"
+
+void *lw_malloc(int size)
+{
+	void *ptr;
+	
+	ptr = malloc(size);
+	if (!ptr)
+	{
+		// bail out; memory allocation error
+		fprintf(stderr, "lw_malloc(): Memory allocation error\n");
+		exit(1);
+	}
+	return ptr;
+}
+
+void *lw_realloc(void *optr, int size)
+{
+	void *ptr;
+	
+	if (size == 0)
+	{
+		lw_free(optr);
+		return;
+	}
+	
+	ptr = realloc(optr, size);
+	if (!ptr)
+	{
+		fprintf(stderr, "lw_realloc(): memory allocation error\n");
+		exit(1);
+	}
+}
+
+void lw_free(void *ptr)
+{
+	if (ptr)
+		free(ptr);
+}
+
+char *lw_strdup(const char *s)
+{
+	char *d;
+	
+	d = strdup(s);
+	if (!d)
+	{
+		fprintf(stderr, "lw_strdup(): memory allocation error\n");
+		exit(1);
+	}
+	
+	return d;
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lwlink/trunk/src/util.h	Sat Jan 17 20:54:58 2009 +0000
@@ -0,0 +1,44 @@
+/*
+util.h
+Copyright © 2008 William Astle
+
+This file is part of LWLINK.
+
+LWLINK is free software: you can redistribute it and/or modify it under the
+terms of the GNU General Public License as published by the Free Software
+Foundation, either version 3 of the License, or (at your option) any later
+version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+more details.
+
+You should have received a copy of the GNU General Public License along with
+this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*
+Utility functions
+*/
+
+#ifndef __util_h_seen__
+#define __util_h_seen__
+
+#ifndef __util_c_seen__
+#define __util_E__ extern
+#else
+#define __util_E__
+#endif
+
+// allocate memory
+__util_E__ void *lw_malloc(int size);
+__util_E__ void lw_free(void *ptr);
+__util_E__ void *lw_realloc(void *optr, int size);
+
+// string stuff
+__util_E__ char *lw_strdup(const char *s);
+
+#undef __util_E__
+
+#endif // __util_h_seen__