fix printf regression with alt-form octal, zero flag, and field width

[musl] / src / stdio / open_wmemstream.c

diff --git a/src/stdio/open_wmemstream.c b/src/stdio/open_wmemstream.c
index 3537030..4d90cd9 100644 (file)
--- a/src/stdio/open_wmemstream.c
+++ b/src/stdio/open_wmemstream.c
@@ -61,14 +61,21 @@ FILE *open_wmemstream(wchar_t **bufp, size_t *sizep)
 {
        FILE *f;
        struct cookie *c;
+       wchar_t *buf;
+
        if (!(f=malloc(sizeof *f + sizeof *c))) return 0;
+       if (!(buf=malloc(sizeof *buf))) {
+               free(f);
+               return 0;
+       }
        memset(f, 0, sizeof *f + sizeof *c);
        f->cookie = c = (void *)(f+1);
 
        c->bufp = bufp;
        c->sizep = sizep;
-       c->pos = c->len = c->space = 0;
-       c->buf = 0;
+       c->pos = c->len = c->space = *sizep = 0;
+       c->buf = *bufp = buf;
+       *buf = 0;
 
        f->flags = F_NORD;
        f->fd = -1;
@@ -81,11 +88,5 @@ FILE *open_wmemstream(wchar_t **bufp, size_t *sizep)
 
        if (!libc.threaded) f->lock = -1;
 
-       OFLLOCK();
-       f->next = libc.ofl_head;
-       if (libc.ofl_head) libc.ofl_head->prev = f;
-       libc.ofl_head = f;
-       OFLUNLOCK();
-
-       return f;
+       return __ofl_add(f);
 }