From 7ab521cba681f16fdf6112929e4b3c6ed3185ad0 Mon Sep 17 00:00:00 2001
From: Skye <skye@is-quite.gay>
Date: Fri, 1 May 2026 12:30:31 +0900
Subject: [PATCH] libc: add actual sprintf to sprintf.c

Change-Id: Iba19b587781da3191c7674a6a141c0c4fbf8b344
---
 firmware/libc/sprintf.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/firmware/libc/sprintf.c b/firmware/libc/sprintf.c
index a56f454c34..a78b5ed665 100644
--- a/firmware/libc/sprintf.c
+++ b/firmware/libc/sprintf.c
@@ -109,3 +109,21 @@ overflow:
     errno = EOVERFLOW;
     return -1;
 }
+
+int sprintf(char *buf, const char *fmt, ...)
+{
+    int bytes;
+    struct for_snprintf pr;
+    va_list ap;
+
+    pr.ptr = buf;
+    pr.rem = INT_MAX;
+
+    va_start(ap, fmt);
+    bytes = vuprintf(sprfunc, &pr, fmt, ap);
+    va_end(ap);
+
+    *pr.ptr = '\0';
+
+    return bytes;
+}