Add prc front-end

1 files changed, 6 insertions, 3 deletions

diff --git a/src/prc1/prc1.c b/src/prc1/prc1.c
index 69165ba..6378907 100644
--- a/src/prc1/prc1.c
+++ b/src/prc1/prc1.c
@@ -14,16 +14,19 @@ int main(int argc, char *argv[])
     FILE *f = stdin;
     int opened = 0, ret = EXIT_FAILURE;
 
-    if (argc != 2)
+    for (int i = 1; i < argc; i++)
+        fprintf(stderr, "[%d]=%s\n", i, argv[i]);
+
+    if (argc < 2)
     {
-        fprintf(stderr, "%s: error: missing input file\n", *argv);
+        fprintf(stderr, "%s [options ...] file\n", *argv);
         goto end;
     }
     else if (strcmp(argv[1], "-"))
     {
         if (!(f = fopen(argv[1], "rb")))
         {
-            fprintf(stderr, "failed to open %s: %s\n", argv[1],
+            fprintf(stderr, "%s: failed to open %s: %s\n", *argv, argv[1],
                 strerror(errno));
             goto end;
         }