Merge pull request #40 from meshtastic/fix-printf

fix crash in printf
meshtastic · Dec 10, 2024 · c1a196f · c1a196f
2 parents 23c32e1 + 3bc17a4
commit c1a196f
Showing 1 changed file with 7 additions and 6 deletions.
diff --git a/cores/portduino/PortduinoPrint.cpp b/cores/portduino/PortduinoPrint.cpp
@@ -6,11 +6,12 @@
 #define MAX_STR_LEN 256
 
 size_t Print::printf(const char *format, ...) {
-  char buf[MAX_STR_LEN]; // FIXME, this burns a lot of stack, but on
+    char buf[MAX_STR_LEN]; // FIXME, this burns a lot of stack, but on
                                 // Linux that is fine, TBD on MyNewt
-  va_list args;
-  va_start(args, format);
-  vsnprintf(buf, sizeof(buf), format, args);
-  write(buf);
-  va_end(args);
+    va_list args;
+    va_start(args, format);
+    size_t n = vsnprintf(buf, sizeof(buf), format, args);
+    write(buf);
+    va_end(args);
+    return n;
 }