X-Git-Url: http://www.dolda2000.com/gitweb/?a=blobdiff_plain;f=lib%2Futils.c;h=ad28086eaf41b1c2dfb379714479192dbe9354e9;hb=fd0303c3260c6397b33912312af67e7a99523926;hp=e2c85a93d2470bb4965b0c14a07d9c6b39cf1378;hpb=35737971905d2247746bc81e0da851744cc49902;p=ashd.git

diff --git a/lib/utils.c b/lib/utils.c
index e2c85a9..ad28086 100644
--- a/lib/utils.c
+++ b/lib/utils.c
@@ -495,8 +495,22 @@ static ssize_t wrapread(void *pdata, char *buf, size_t len)
 static ssize_t wrapwrite(void *pdata, const char *buf, size_t len)
 {
     struct stdif *nf = pdata;
+    size_t off;
+    ssize_t ret;
     
-    return(nf->write(nf->pdata, buf, len));
+    /*
+     * XXX? In seeming violation of its own manual, glibc requires the
+     * cookie-write function to complete writing the entire buffer,
+     * rather than working like write(2).
+     */
+    off = 0;
+    while(off < len) {
+	ret = nf->write(nf->pdata, buf + off, len - off);
+	if(ret < 0)
+	    return(off);
+	off += ret;
+    }
+    return(off);
 }
 
 static int wrapseek(void *pdata, off_t *pos, int whence)