lib9p: Use fmt_vsnprintf instead of plain vsnprintf

1 files changed, 3 insertions, 2 deletions

diff --git a/lib9p/9p.c b/lib9p/9p.c
index e90ef30..4ef4e03 100644
--- a/lib9p/9p.c
+++ b/lib9p/9p.c
@@ -6,9 +6,10 @@
 
 #include <inttypes.h> /* for PRIu{n} */
 #include <stdarg.h>   /* for va_* */
-#include <stdio.h>    /* for vsnprintf() */
 #include <string.h>   /* for strncpy() */
 
+#include <pico/fmt_printf.h> /* for fmt_vsnprintf() */
+
 #include <lib9p/9p.h>
 
 /* strings ********************************************************************/
@@ -79,7 +80,7 @@ int lib9p_errorf(struct lib9p_ctx *ctx, lib9p_errno_t linux_errno, char const *f
 	if (lib9p_ctx_has_error(ctx))
 		return -1;
 	va_start(args, fmt);
-	n = vsnprintf(ctx->err_msg, sizeof(ctx->err_msg), fmt, args);
+	n = fmt_vsnprintf(ctx->err_msg, sizeof(ctx->err_msg), fmt, args);
 	va_end(args);
 	if ((size_t)(n+1) < sizeof(ctx->err_msg))
 		memset(&ctx->err_msg[n+1], 0, sizeof(ctx->err_msg)-(n+1));