Merge ~vpa1977/ubuntu/+source/sniffit:ubuntu/devel into ubuntu/+source/sniffit:ubuntu/devel

[Vladimir Petko]

Changes:
 - cherry-pick upstream patch

PPA: ppa:vpa1977/october-21[1]

Testing:
 - ppa build [1]

[1] https://launchpad.net/~vpa1977/+archive/ubuntu/october-21/+sourcepub/15931250/+listing-archive-extra

diff --git a/debian/changelog b/debian/changelog
index ee2b554..15bfd63 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,10 @@
+sniffit (0.5-3ubuntu1) noble; urgency=medium
+
+  * d/p/implicit-declaration.patch: cherry-pick upstream patch
+    to resolve -Werror=implicit-function-declaration (LP: #2061033).
+
+ -- Vladimir Petko <[e-mail]>  Mon, 15 Apr 2024 10:10:17 +1200
+
 sniffit (0.5-3build2) noble; urgency=medium
 
   * No-change rebuild for CVE-2024-3094
diff --git a/debian/patches/implicit-declaration.patch b/debian/patches/implicit-declaration.patch
new file mode 100644
index 0000000..4b41023
--- /dev/null
+++ b/debian/patches/implicit-declaration.patch
@@ -0,0 +1,79 @@
+From: Sam James <[e-mail]>
+Date: Thu, 28 Jul 2022 12:14:44 +0100
+Subject: [PATCH 2/2] Fix -Wimplicit-function-declaration (Clang 16)
+
+Clang 16 will make -Wimplicit-function-declaration error by default.
+
+For more information, see LWN.net [0] or LLVM's Discourse [1], gentoo-dev@ [2],
+or the (new) c-std-porting mailing list [3].
+
+[0] https://lwn.net/Articles/913505/
+[1] https://discourse.llvm.org/t/configure-script-breakage-with-the-new-werror-implicit-function-declaration/65213
+[2] https://archives.gentoo.org/gentoo-dev/message/dd9f2d3082b8b6f8dfbccb0639e6e240
+[3] hosted at lists.linux.dev.
+
+Signed-off-by: Sam James <[e-mail]>
+Origin: upstream, https://github.com/resurrecting-open-source-projects/sniffit/commit/df0221e95527e9f935b583da5d922c4d3e63d749
+Bug-Debian: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1066536
+Bug-Ubuntu: https://bugs.launchpad.net/debian/+source/sniffit/+bug/2061033
+Forwarded: not-needed
+
+---
+ src/sn_cfgfile.c    | 1 +
+ src/sn_generation.c | 2 ++
+ src/sn_interface.c  | 1 +
+ src/sniffit.c       | 1 +
+ 4 files changed, 5 insertions(+)
+
+diff --git a/src/sn_cfgfile.c b/src/sn_cfgfile.c
+index 4ea5d39..b27ac7d 100644
+--- a/src/sn_cfgfile.c
++++ b/src/sn_cfgfile.c
+@@ -2,6 +2,7 @@
+ /*   - by          : Brecht Claerhout                                     */
+ /*   - improvements: Shudoh Kazuyuki                                      */
+
++#include <ctype.h>
+ #include <stdlib.h>
+ #include <stdio.h>
+ #include <string.h>
+diff --git a/src/sn_generation.c b/src/sn_generation.c
+index e08741e..030075a 100644
+--- a/src/sn_generation.c
++++ b/src/sn_generation.c
+@@ -13,7 +13,9 @@
+ #include "sn_curses.h"
+ #include "sn_defines.h"
+ #include "sn_structs.h"
++#include "sn_packets.h"
+ #include "sn_generation.h"
++#include "sn_interface.h"
+
+ extern volatile int screen_busy;
+
+diff --git a/src/sn_interface.c b/src/sn_interface.c
+index 4842974..f8434d9 100644
+--- a/src/sn_interface.c
++++ b/src/sn_interface.c
+@@ -4,6 +4,7 @@
+ #include "sn_config.h"
+
+ #ifdef INCLUDE_INTERFACE
++#include <ctype.h>
+ #include <signal.h>
+ #include <termios.h>
+ #include <stdlib.h>
+diff --git a/src/sniffit.c b/src/sniffit.c
+index 7ab88a1..4adbe69 100644
+--- a/src/sniffit.c
++++ b/src/sniffit.c
+@@ -3,6 +3,7 @@
+
+ #include "sn_config.h"		/* Config header file */
+
++#include <ctype.h>
+ #include <unistd.h>
+ #include <signal.h>
+ #include <stdlib.h>
+--
+2.40.1
diff --git a/debian/patches/series b/debian/patches/series
new file mode 100644
index 0000000..ebe797f
--- /dev/null
+++ b/debian/patches/series
@@ -0,0 +1 @@
+implicit-declaration.patch