1 files changed, 23 insertions, 4 deletions

diff --git a/src/program/program.c b/src/program/program.c
index 51757a2..09650ec 100644
--- a/src/program/program.c
+++ b/src/program/program.c
@@ -10,9 +10,15 @@ struct Source* extract_source(char *src_name)
 	
 	file=fopen(src_name,"r");
 	if(file==NULL)
-		return NULL;
+	{
+		fprintf(stderr,"Could not open source file. ");
+		exit(1);
+	}
 	if(fseek(file,0L,SEEK_END)!=0)
-		return NULL;
+	{
+		fprintf(stderr,"Could not open source file. ");
+		exit(1);
+	}
 
 	ret=malloc(sizeof(struct Source));
 	ret->src_size=ftell(file);
@@ -42,6 +48,9 @@ struct Options* parse_command_line(int argc,char **argv)
 	ret->src_name=NULL;
 	ret->output_name=NULL;
 	ret->is_quiet=0;
+	ret->providing_own_queue_implementation=0;
+	ret->providing_own_buffer_implementation=0;
+	ret->has_mutex=0;
 
 	for(i=0;i<argc;++i)
 	{
@@ -51,6 +60,12 @@ struct Options* parse_command_line(int argc,char **argv)
 			ret->target=OPTION_TARGET_AST;
 		else if(!strncmp(argv[i],"--print-c",sizeof("--print-c")))
 			ret->target=OPTION_TARGET_C;
+		else if(!strncmp(argv[i],"--extern-queue",sizeof("--extern-queue")))
+			ret->providing_own_queue_implementation=1;
+		else if(!strncmp(argv[i],"--extern-buffer",sizeof("--extern-buffer")))
+			ret->providing_own_buffer_implementation=1;
+		else if(!strncmp(argv[i],"--extern-mutex",sizeof("--extern-mutex")))
+			ret->has_mutex=1;
 		else if(!strncmp(argv[i],"-o",sizeof("-o")) || !strncmp(argv[i],"--output",sizeof("--output")))
 		{
 			if(++i<argc)
@@ -59,19 +74,23 @@ struct Options* parse_command_line(int argc,char **argv)
 					ret->output_name=argv[i];
 				else if(!ret->is_quiet)
 				{
-					fprintf(stderr,"Error: Output filename is too long");
+					fprintf(stderr,"Error: Output filename is too long\n");
 					exit(1);
 				}else
 				{
 					exit(1);
 				}
 			}
+		}else if(argv[i][0]=='-')
+		{
+			fprintf(stderr,"Error: Invalid command line option %s\n",argv[i]);
+			exit(1);
 		}else if(strnlen(argv[i],101)<100)
 		{
 			ret->src_name=argv[i];	
 		}else if(!ret->is_quiet)
 		{
-			fprintf(stderr,"Error: Input filename is too long");
+			fprintf(stderr,"Error: Input filename is too long\n");
 			exit(1);
 		}else
 		{