Small boot cleanup (#1475)

1 files changed, 30 insertions, 0 deletions

diff --git a/src/boot/O2/sprintf.c b/src/boot/O2/sprintf.c
new file mode 100644
index 000000000..773b982ff
--- /dev/null
+++ b/src/boot/O2/sprintf.c
@@ -0,0 +1,30 @@
+#include "ultra64.h"
+#include "libc/stdlib.h"
+#include "libc/string.h"
+
+void* proutSprintf(void* dst, const char* fmt, size_t size) {
+    return (void*)((uintptr_t)memcpy(dst, fmt, size) + size);
+}
+
+int vsprintf(char* dst, char* fmt, va_list args) {
+    int ans = _Printf(proutSprintf, dst, fmt, args);
+    if (ans > -1) {
+        dst[ans] = 0;
+    }
+    return ans;
+}
+
+int sprintf(char* dst, const char* fmt, ...) {
+    int ans;
+    va_list args;
+    va_start(args, fmt);
+
+    ans = _Printf(&proutSprintf, dst, fmt, args);
+    if (ans > -1) {
+        dst[ans] = 0;
+    }
+
+    va_end(args);
+
+    return ans;
+}