Split of store.c

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@1359 ec53bebd-3082-4978-b11e-865c3cabbd6b

lib/krb5/store_fd.c

@@ -0,0 +1,40 @@
+#include "krb5_locl.h"
+
+RCSID("$Id$");
+
+typedef struct fd_storage{
+    int fd;
+}fd_storage;
+
+#define FD(S) (((fd_storage*)(S)->data)->fd)
+
+static size_t
+fd_fetch(krb5_storage *sp, void *data, size_t size)
+{
+    return read(FD(sp), data, size);
+}
+
+static size_t
+fd_store(krb5_storage *sp, void *data, size_t size)
+{
+    return write(FD(sp), data, size);
+}
+
+static off_t
+fd_seek(krb5_storage *sp, off_t offset, int whence)
+{
+    return lseek(FD(sp), offset, whence);
+}
+
+krb5_storage *
+krb5_storage_from_fd(int fd)
+{
+    krb5_storage *sp = malloc(sizeof(krb5_storage));
+    sp->data = malloc(sizeof(fd_storage));
+    FD(sp) = fd;
+    sp->fetch = fd_fetch;
+    sp->store = fd_store;
+    sp->seek = fd_seek;
+    sp->free = NULL;
+    return sp;
+}