gdbreplay: Use getopt_long to parse command line arguments

Approved-By: Tom Tromey <tom@tromey.com>

diff --git a/gdbserver/gdbreplay.cc b/gdbserver/gdbreplay.cc
index c2359e4ab436a237ecfa8904acc4745e91125895..7ef52b82d0bfaf325555185178e2b63325c265d5 100644 (file)
--- a/gdbserver/gdbreplay.cc
+++ b/gdbserver/gdbreplay.cc
@@ -57,6 +57,8 @@
 #include "gdbsupport/netstuff.h"
 #include "gdbsupport/rsp-low.h"
 
+#include "getopt.h"
+
 #ifndef HAVE_SOCKLEN_T
 typedef int socklen_t;
 #endif
@@ -425,30 +427,39 @@ gdbreplay_usage (FILE *stream)
 captured_main (int argc, char *argv[])
 {
   FILE *fp;
-  int ch;
-
-  if (argc >= 2 && strcmp (argv[1], "--version") == 0)
+  int ch, optc;
+  enum opts { OPT_VERSION = 1, OPT_HELP };
+  static struct option longopts[] =
     {
-      gdbreplay_version ();
-      exit (0);
-    }
-  if (argc >= 2 && strcmp (argv[1], "--help") == 0)
+       {"version", no_argument, nullptr, OPT_VERSION},
+       {"help", no_argument, nullptr, OPT_HELP},
+       {nullptr, no_argument, nullptr, 0}
+    };
+
+  while ((optc = getopt_long (argc, argv, "", longopts, nullptr)) != -1)
     {
-      gdbreplay_usage (stdout);
-      exit (0);
+      switch (optc)
+       {
+       case OPT_VERSION:
+         gdbreplay_version ();
+         exit (0);
+       case OPT_HELP:
+         gdbreplay_usage (stdout);
+         exit (0);
+       }
     }
 
-  if (argc < 3)
+  if (optind + 2 != argc)
     {
       gdbreplay_usage (stderr);
       exit (1);
     }
-  fp = fopen (argv[1], "r");
+  fp = fopen (argv[optind], "r");
   if (fp == NULL)
     {
-      perror_with_name (argv[1]);
+      perror_with_name (argv[optind]);
     }
-  remote_open (argv[2]);
+  remote_open (argv[optind + 1]);
   while ((ch = logchar (fp)) != EOF)
     {
       switch (ch)