From 2ffd4e4f1af16b17a286ff354603a717f5d828a5 Mon Sep 17 00:00:00 2001
From: ManoloFLTK <41016272+ManoloFLTK@users.noreply.github.com>
Date: Mon, 26 Sep 2022 16:12:18 +0200
Subject: Replace all calls to sprintf() by calls to snprintf().

---
 src/drivers/Xlib/Fl_Xlib_Graphics_Driver_font_x.cxx   | 2 +-
 src/drivers/Xlib/Fl_Xlib_Graphics_Driver_font_xft.cxx | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/drivers/Xlib')

diff --git a/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_font_x.cxx b/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_font_x.cxx
index da2d2b303..a4b8672ce 100644
--- a/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_font_x.cxx
+++ b/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_font_x.cxx
@@ -457,7 +457,7 @@ static const char *find_best_font(const char *fname, int size) {
       // whoa!  A scalable font!  Use unless exact match found:
       int l = c-thisname;
       memcpy(namebuffer,thisname,l);
-      l += sprintf(namebuffer+l,"%d",size);
+      l += snprintf(namebuffer+l, 1024-l,"%d",size);
       while (*c == '0') c++;
       strcpy(namebuffer+l,c);
       name = namebuffer;
diff --git a/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_font_xft.cxx b/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_font_xft.cxx
index 3a4817b7f..d2fb52d40 100644
--- a/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_font_xft.cxx
+++ b/src/drivers/Xlib/Fl_Xlib_Graphics_Driver_font_xft.cxx
@@ -1352,7 +1352,7 @@ Fl_Font Fl_Xlib_Graphics_Driver::set_fonts(const char* pattern_name)
       // build the font's FLTK name
       l += strlen(p) + 2;
       char *q = new char[l];
-      sprintf(q, "%s %s", fam_name, p);
+      snprintf(q, l, "%s %s", fam_name, p);
       Fl::set_font((Fl_Font)(count++ + FL_FREE_FONT), q);
     }
     /*g_*/free(faces); // glib source code shows that g_free is equivalent to free
-- 
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