fix(S_vprintf): vsnprintf length including terminating zero

1 files changed, 1 insertions, 1 deletions

diff --git a/String.c b/String.c
index d5bcb88..c63677b 100644
--- a/String.c
+++ b/String.c
@@ -171,7 +171,7 @@ S_vprintf(BumpArena b, const char* fmt, va_list args) {
     va_end(temp);
 
     String result = S_newlen(b, length);
-    vsnprintf(result, length, fmt, args);
+    vsnprintf(result, length + 1, fmt, args);
 
     return result;
 }