From: Ulrich Drepper <drepper@redhat.com>
Date: Wed, 12 Aug 1998 12:29:06 +0000 (+0000)
Subject: (_nss_db_getXXX): If buffer is too small decrement `entidx' to allow
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c93547c090e69ba81d06fd78df9b9a6feae35121;p=thirdparty%2Fglibc.git

(_nss_db_getXXX): If buffer is too small decrement `entidx' to allow
retrieving the same entry again.
---

diff --git a/nss/nss_db/db-XXX.c b/nss/nss_db/db-XXX.c
index 0d9fe5af89d..bb14a686e09 100644
--- a/nss/nss_db/db-XXX.c
+++ b/nss/nss_db/db-XXX.c
@@ -272,6 +272,14 @@ CONCAT(_nss_db_get,ENTNAME_r) (struct STRUCTURE *result,
     {
       key.size = snprintf (key.data = buf, sizeof buf, "0%u", entidx++);
       status = lookup (&key, result, buffer, buflen H_ERRNO_ARG);
+      if (status == NSS_STATUS_TRYAGAIN
+#ifdef NEED_H_ERRNO
+	  && *herrnop == NETDB_INTERNAL
+#endif
+	  && errno == ERANGE)
+	/* Give the user a chance to get the same entry with a larger
+	   buffer.  */
+	--entidx;
     }
   while (status == NSS_STATUS_RETURN);
   __libc_lock_unlock (lock);