From c867cc0854fa0cba6d30fd82dad6b6f09a10c1fd Mon Sep 17 00:00:00 2001
From: "Chris (ChrisJr404)" <11917633+ChrisJr404@users.noreply.github.com>
Date: Sat, 2 May 2026 10:27:08 -0400
Subject: [PATCH] Accept --sleep <ms> in addition to --sleep=<ms>

Issue #357: --sleep is the only common rate-limiting flag in sslscan
and the manual arg parser only matched the strncmp("--sleep=", ...)
form. The space-separated form --sleep <ms> silently fell through to
the next else-if (and was eventually treated as an unrecognized
argument or as a hostname), so users who tried --sleep 100 saw it
appear to have no effect.

Add a parallel branch that handles --sleep <ms>: it advances argLoop
to consume the value, atoi-parses it, and sets options->sleep using
the same >=0 guard as the existing branch. If the user passes --sleep
with no following argument, print a friendly error pointing at both
working forms and exit.

End-to-end timing against example.com confirms both forms now sleep
identically:

  --no-sleep:        0.26s
  --sleep=200:       2.49s   (existing)
  --sleep 200:       2.51s   (was broken; now fixed)

Closes #357
---
 sslscan.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/sslscan.c b/sslscan.c
index abe3d69..13b1b57 100644
--- a/sslscan.c
+++ b/sslscan.c
@@ -3997,7 +3997,8 @@ int main(int argc, char *argv[])
         else if (strncmp("--connect-timeout=", argv[argLoop], 18) == 0)
             options->connect_timeout = atoi(argv[argLoop] + 18);
 
-        // Sleep between requests (ms)
+        // Sleep between requests (ms). Accept both `--sleep=<ms>` and
+        // `--sleep <ms>` (issue #357 — the latter form silently did nothing).
         else if (strncmp("--sleep=", argv[argLoop], 8) == 0)
         {
             msec = atoi(argv[argLoop] + 8);
@@ -4005,6 +4006,19 @@ int main(int argc, char *argv[])
                 options->sleep = msec;
             }
         }
+        else if (strcmp("--sleep", argv[argLoop]) == 0)
+        {
+            if (argLoop + 1 >= argc)
+            {
+                printf("%s--sleep%s requires a value in milliseconds (e.g. --sleep 100 or --sleep=100)\n", COL_RED, RESET);
+                exit(1);
+            }
+            argLoop++;
+            msec = atoi(argv[argLoop]);
+            if (msec >= 0) {
+                options->sleep = msec;
+            }
+        }
 
         // RDP Preamble...
         else if (strcmp("--rdp", argv[argLoop]) == 0)