From 15ed9f87e3a1f91bd7b4a5291edf268b843e5987 Mon Sep 17 00:00:00 2001
From: Marcel Raad <Marcel.Raad@teamviewer.com>
Date: Mon, 9 Jul 2018 18:52:05 +0200
Subject: curl-compilers: enable -Wimplicit-fallthrough=4 for GCC

This enables level 4 instead of the default level 3, which of the
currently used comments only allows /* FALLTHROUGH */ to silence the
warning.

Closes https://github.com/curl/curl/pull/2747
---
 lib/formdata.c  | 3 ++-
 lib/http_ntlm.c | 2 +-
 lib/ssh.c       | 4 ++--
 lib/telnet.c    | 2 +-
 lib/transfer.c  | 4 ++--
 5 files changed, 8 insertions(+), 7 deletions(-)

(limited to 'lib')

diff --git a/lib/formdata.c b/lib/formdata.c
index 450a0e5d8..202d930c7 100644
--- a/lib/formdata.c
+++ b/lib/formdata.c
@@ -302,7 +302,8 @@ CURLFORMcode FormAdd(struct curl_httppost **httppost,
        * Set the contents property.
        */
     case CURLFORM_PTRCONTENTS:
-      current_form->flags |= HTTPPOST_PTRCONTENTS; /* fall through */
+      current_form->flags |= HTTPPOST_PTRCONTENTS;
+      /* FALLTHROUGH */
     case CURLFORM_COPYCONTENTS:
       if(current_form->value)
         return_value = CURL_FORMADD_OPTION_TWICE;
diff --git a/lib/http_ntlm.c b/lib/http_ntlm.c
index fd5540b5d..a9b33f98e 100644
--- a/lib/http_ntlm.c
+++ b/lib/http_ntlm.c
@@ -228,7 +228,7 @@ CURLcode Curl_output_ntlm(struct connectdata *conn, bool proxy)
     /* connection is already authenticated,
      * don't send a header in future requests */
     ntlm->state = NTLMSTATE_LAST;
-    /* fall-through */
+    /* FALLTHROUGH */
   case NTLMSTATE_LAST:
     Curl_safefree(*allocuserpwd);
     authp->done = TRUE;
diff --git a/lib/ssh.c b/lib/ssh.c
index 98153040b..5d81f649c 100644
--- a/lib/ssh.c
+++ b/lib/ssh.c
@@ -659,7 +659,7 @@ static CURLcode ssh_statemach_act(struct connectdata *conn, bool *block)
       libssh2_session_set_blocking(sshc->ssh_session, 0);
 
       state(conn, SSH_S_STARTUP);
-      /* fall-through */
+      /* FALLTHROUGH */
 
     case SSH_S_STARTUP:
       rc = libssh2_session_startup(sshc->ssh_session, (int)sock);
@@ -675,7 +675,7 @@ static CURLcode ssh_statemach_act(struct connectdata *conn, bool *block)
 
       state(conn, SSH_HOSTKEY);
 
-      /* fall-through */
+      /* FALLTHROUGH */
     case SSH_HOSTKEY:
       /*
        * Before we authenticate we should check the hostkey's fingerprint
diff --git a/lib/telnet.c b/lib/telnet.c
index 031d61f4e..05fe744db 100644
--- a/lib/telnet.c
+++ b/lib/telnet.c
@@ -1606,7 +1606,7 @@ static CURLcode telnet_do(struct connectdata *conn, bool *done)
     case 0:                     /* timeout */
       pfd[0].revents = 0;
       pfd[1].revents = 0;
-      /* fall through */
+      /* FALLTHROUGH */
     default:                    /* read! */
       if(pfd[0].revents & POLLIN) {
         /* read data from network */
diff --git a/lib/transfer.c b/lib/transfer.c
index ab9094adc..298208703 100644
--- a/lib/transfer.c
+++ b/lib/transfer.c
@@ -1519,7 +1519,7 @@ static size_t strlen_url(const char *url, bool relative)
     switch(*ptr) {
     case '?':
       left = FALSE;
-      /* fall through */
+      /* FALLTHROUGH */
     default:
       if(urlchar_needs_escaping(*ptr))
         newlen += 2;
@@ -1564,7 +1564,7 @@ static void strcpy_url(char *output, const char *url, bool relative)
     switch(*iptr) {
     case '?':
       left = FALSE;
-      /* fall through */
+      /* FALLTHROUGH */
     default:
       if(urlchar_needs_escaping(*iptr)) {
         snprintf(optr, 4, "%%%02x", *iptr);
-- 
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