From 0a2618b265c4ae30bd0528718e05cdcea0a9a693 Mon Sep 17 00:00:00 2001
From: Viktor Szakats <commit@vsz.me>
Date: Mon, 17 Nov 2025 22:19:54 +0100
Subject: [PATCH] examples: make functions/data static where missing

Also to avoid compiler warnings on missing declarations.
Missed by CI for these "complicated" examples.

Closes #19579
---
 docs/examples/htmltidy.c          |  5 ++---
 docs/examples/smooth-gtk-thread.c | 18 ++++++++----------
 2 files changed, 10 insertions(+), 13 deletions(-)

diff --git a/docs/examples/htmltidy.c b/docs/examples/htmltidy.c
index 97eff2b45a..de1bd7399e 100644
--- a/docs/examples/htmltidy.c
+++ b/docs/examples/htmltidy.c
@@ -35,7 +35,7 @@
 #include <curl/curl.h>
 
 /* curl write callback, to fill tidy's input buffer...  */
-uint write_cb(char *in, uint size, uint nmemb, TidyBuffer *out)
+static uint write_cb(char *in, uint size, uint nmemb, TidyBuffer *out)
 {
   uint r;
   r = size * nmemb;
@@ -44,7 +44,7 @@ uint write_cb(char *in, uint size, uint nmemb, TidyBuffer *out)
 }
 
 /* Traverse the document tree */
-void dumpNode(TidyDoc doc, TidyNode tnod, int indent)
+static void dumpNode(TidyDoc doc, TidyNode tnod, int indent)
 {
   TidyNode child;
   for(child = tidyGetChild(tnod); child; child = tidyGetNext(child) ) {
@@ -73,7 +73,6 @@ void dumpNode(TidyDoc doc, TidyNode tnod, int indent)
   }
 }
 
-
 int main(int argc, char **argv)
 {
   CURL *curl;
diff --git a/docs/examples/smooth-gtk-thread.c b/docs/examples/smooth-gtk-thread.c
index 0d1438e7d7..2a3cdbc0ef 100644
--- a/docs/examples/smooth-gtk-thread.c
+++ b/docs/examples/smooth-gtk-thread.c
@@ -45,10 +45,10 @@
 
 #define NUMT 4
 
-pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
-int j = 0;
-gint num_urls = 9; /* Just make sure this is less than urls[]*/
-const char * const urls[]= {
+static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER;
+static int j = 0;
+static gint num_urls = 9; /* Just make sure this is less than urls[] */
+static const char * const urls[] = {
   "90022",
   "90023",
   "90024",
@@ -60,7 +60,7 @@ const char * const urls[]= {
   "90030"
 };
 
-size_t write_cb(void *ptr, size_t size, size_t nmemb, FILE *stream)
+static size_t write_cb(void *ptr, size_t size, size_t nmemb, FILE *stream)
 {
   return fwrite(ptr, size, nmemb, stream);
 }
@@ -89,7 +89,7 @@ static void run_one(gchar *http, int j)
   }
 }
 
-void *pull_one_url(void *NaN)
+static void *pull_one_url(void *NaN)
 {
   /* protect the reading and increasing of 'j' with a mutex */
   pthread_mutex_lock(&lock);
@@ -109,7 +109,7 @@ void *pull_one_url(void *NaN)
 }
 
 
-gboolean pulse_bar(gpointer data)
+static gboolean pulse_bar(gpointer data)
 {
   gdk_threads_enter();
   gtk_progress_bar_pulse(GTK_PROGRESS_BAR (data));
@@ -121,7 +121,7 @@ gboolean pulse_bar(gpointer data)
   return TRUE;
 }
 
-void *create_thread(void *progress_bar)
+static void *create_thread(void *progress_bar)
 {
   pthread_t tid[NUMT];
   int i;
@@ -155,9 +155,7 @@ void *create_thread(void *progress_bar)
   /* [Un]Comment this out to kill the program rather than pushing close. */
   /* gtk_main_quit(); */
 
-
   return NULL;
-
 }
 
 static gboolean cb_delete(GtkWidget *window, gpointer data)