From: Richard Kettlewell <rjk@greenend.org.uk>
Date: Fri, 17 Jun 2011 19:49:50 +0000 (+0100)
Subject: Rearrange argc/argv for more idiomatic access to positional arguments.
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=commitdiff_plain;h=7085c816276541ef46f89f52dcce4b8ca12f71f6;p=vbig.git

Rearrange argc/argv for more idiomatic access to positional arguments.
---

diff --git a/vbig.cc b/vbig.cc
index 0051394..c656508 100644
--- a/vbig.cc
+++ b/vbig.cc
@@ -119,23 +119,25 @@ int main(int argc, char **argv) {
       fatal(0, "unknown option");
     }
   }
+  argc -= optind;
+  argv += optind;
   if(mode == NONE) {
     fatal(0, "must specify one of --verify or --create");
     exit(1);
   }
-  if(optind + 2 != argc) {
+  if(argc != 2) {
     fatal(0, "must specify a path and size");
     exit(1);
   }
-  const char *path = argv[optind];
+  const char *path = argv[0];
   errno = 0;
   char *end;
-  long long size = strtoll(argv[optind + 1], &end, 10);
+  long long size = strtoll(argv[1], &end, 10);
   if(errno) {
     fatal(errno, "invalid size");
     exit(1);
   }
-  if(end == argv[optind + 1]) {
+  if(end == argv[1]) {
     fatal(0, "invalid size");
     exit(1);
   }