Add usage map

LeotendoDev · Mar 20, 2022 · 6856c4d · 6856c4d
1 parent 43b38a9
commit 6856c4d
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diff --git a/hasm b/hasm
diff --git a/headers/hasm.h b/headers/hasm.h
@@ -2,3 +2,4 @@
 #include <stdint.h>
 
 static uint64_t c_source_letter = 0;
+void usage(int err);
diff --git a/src/hasm.c b/src/hasm.c
@@ -1,9 +1,23 @@
 #include <stdio.h>
+#include <stdlib.h>
 
 #include "file_buffer.h"
 
+void usage(int err) 
+{
+    FILE* dest = err ? stderr : stdout;
+
+    fprintf(dest, "Usage: hasm [option] [file]\n");
+    fprintf(dest, "-I   set default include directory\n");
+    fprintf(dest, "-v   shows you your version of HASM\n");
+    fprintf(dest, "-h   shows you this helpmap\n");
+
+    exit(err ? -1 : 0);
+}
+
 int main(int argc, char** argv) 
 {
     read_filesrc("examples/test.hasm");
+    usage(1);
     return 0;
 }
Original file line number	Diff line number	Diff line change
Expand Up		@@ -2,3 +2,4 @@
		#include <stdint.h>

		static uint64_t c_source_letter = 0;
		void usage(int err);