add proper fuxed-based locking for stdio

[musl] / src / stdio / stderr.c

diff --git a/src/stdio/stderr.c b/src/stdio/stderr.c
index 4a79d4e..3fd8f81 100644 (file)
--- a/src/stdio/stderr.c
+++ b/src/stdio/stderr.c
@@ -1,13 +1,16 @@
 #include "stdio_impl.h"
 
-static unsigned char buf[1+UNGET];
+static unsigned char buf[UNGET];
 static FILE f = {
        .buf = buf+UNGET,
-       .buf_size = 1,
+       .buf_size = 0,
        .fd = 2,
        .flags = F_PERM | F_NORD,
+       .lbf = -1,
        .write = __stdio_write,
        .seek = __stdio_seek,
        .close = __stdio_close,
+       .lock = -1,
 };
 FILE *const stderr = &f;
+FILE *const __stderr_used = &f;