X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fstdio%2Fopen_wmemstream.c;h=ed1b561d9c92fa0ce787692dbd27d369292dd0a5;hb=957c276323dd26e32c3d460345a99d94ba87678d;hp=7ab2c64364e01d310d0c868b40837537af5800fd;hpb=1b0cdc8700d29ef018bf226d74b2b58b23bce91c;p=musl

diff --git a/src/stdio/open_wmemstream.c b/src/stdio/open_wmemstream.c
index 7ab2c643..ed1b561d 100644
--- a/src/stdio/open_wmemstream.c
+++ b/src/stdio/open_wmemstream.c
@@ -3,6 +3,8 @@
 #include <errno.h>
 #include <limits.h>
 #include <string.h>
+#include <stdlib.h>
+#include "libc.h"
 
 struct cookie {
 	wchar_t **bufp;
@@ -14,6 +16,12 @@ struct cookie {
 	mbstate_t mbs;
 };
 
+struct wms_FILE {
+	FILE f;
+	struct cookie c;
+	unsigned char buf[1];
+};
+
 static off_t wms_seek(FILE *f, off_t off, int whence)
 {
 	ssize_t base;
@@ -59,27 +67,36 @@ static int wms_close(FILE *f)
 
 FILE *open_wmemstream(wchar_t **bufp, size_t *sizep)
 {
-	FILE *f;
-	struct cookie *c;
-	if (!(f=malloc(sizeof *f + sizeof *c))) return 0;
-	memset(f, 0, sizeof *f + sizeof *c);
-	f->cookie = c = (void *)(f+1);
+	struct wms_FILE *f;
+	wchar_t *buf;
+
+	if (!(f=malloc(sizeof *f))) return 0;
+	if (!(buf=malloc(sizeof *buf))) {
+		free(f);
+		return 0;
+	}
+	memset(&f->f, 0, sizeof f->f);
+	memset(&f->c, 0, sizeof f->c);
+	f->f.cookie = &f->c;
+
+	f->c.bufp = bufp;
+	f->c.sizep = sizep;
+	f->c.pos = f->c.len = f->c.space = *sizep = 0;
+	f->c.buf = *bufp = buf;
+	*buf = 0;
 
-	c->bufp = bufp;
-	c->sizep = sizep;
-	c->pos = c->len = c->space = 0;
-	c->buf = 0;
+	f->f.flags = F_NORD;
+	f->f.fd = -1;
+	f->f.buf = f->buf;
+	f->f.buf_size = 0;
+	f->f.lbf = EOF;
+	f->f.write = wms_write;
+	f->f.seek = wms_seek;
+	f->f.close = wms_close;
 
-	f->flags = F_NORD;
-	f->fd = -1;
-	f->buf = (void *)(c+1);
-	f->buf_size = 0;
-	f->lbf = EOF;
-	f->write = wms_write;
-	f->seek = wms_seek;
-	f->close = wms_close;
+	if (!libc.threaded) f->f.lock = -1;
 
-	if (!libc.threaded) f->lock = -1;
+	fwide(&f->f, 1);
 
-	return __ofl_add(f);
+	return __ofl_add(&f->f);
 }