X-Git-Url: https://git.piment-noir.org/?p=TP_AL_C.git;a=blobdiff_plain;f=lexer%2Fmain.c;h=f2b6df47660f77bb7c43c49b4752a7ea52582966;hp=a187f8ebb3fd88456aa01653418f00abd66e87c8;hb=f8c1adc17ee4b1e87981568009a92d84bf0f5506;hpb=25696723c6a45c3b7a0c33c8cbe9b2a788928694

diff --git a/lexer/main.c b/lexer/main.c
index a187f8e..f2b6df4 100644
--- a/lexer/main.c
+++ b/lexer/main.c
@@ -91,6 +91,8 @@ int main(int argc, char **argv) {
                 /* invalid option */
                 pr_error("%s: option '-%c' is invalid: ignored\n",
                          argv[0], optopt);
+                /* print the help message for invalid options */
+                hflag = 1;
                 break;
         }
     }
@@ -120,7 +122,7 @@ int main(int argc, char **argv) {
 
     if (hflag) {
         print_usage(argv[0]);
-    } else if (lflag){
+    } else if (lflag) {
         do_lexical_analysis();
     } else {
         do_syntactic_analysis();