Remove 'gshadow' and merge into 'nss'

The majority of gshadow routines are entry points for nss functionality.
This commit removes the 'gshadow' subdirectory and moves all
functionality and tests to 'nss'.  References to gshadow/ are
accordingly changed.
Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>

1 files changed, 0 insertions, 77 deletions

diff --git a/gshadow/sgetsgent.c b/gshadow/sgetsgent.c
deleted file mode 100644
index 92302f7..0000000
--- a/gshadow/sgetsgent.c
+++ /dev/null
@@ -1,77 +0,0 @@
-/* Copyright (C) 2009-2023 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <https://www.gnu.org/licenses/>.  */
-
-#include <errno.h>
-#include <libc-lock.h>
-#include <gshadow.h>
-#include <stdlib.h>
-
-
-/* A reasonable size for a buffer to start with.  */
-#define BUFLEN_SPWD 1024
-
-/* We need to protect the dynamic buffer handling.  */
-__libc_lock_define_initialized (static, lock);
-
-/* Read one shadow entry from the given stream.  */
-struct sgrp *
-sgetsgent (const char *string)
-{
-  static char *buffer;
-  static size_t buffer_size;
-  static struct sgrp resbuf;
-  struct sgrp *result;
-  int save;
-
-  /* Get lock.  */
-  __libc_lock_lock (lock);
-
-  /* Allocate buffer if not yet available.  */
-  if (buffer == NULL)
-    {
-      buffer_size = BUFLEN_SPWD;
-      buffer = malloc (buffer_size);
-    }
-
-  while (buffer != NULL
-	 && __sgetsgent_r (string, &resbuf, buffer, buffer_size, &result) != 0
-	 && errno == ERANGE)
-    {
-      char *new_buf;
-      buffer_size += BUFLEN_SPWD;
-      new_buf = realloc (buffer, buffer_size);
-      if (new_buf == NULL)
-	{
-	  /* We are out of memory.  Free the current buffer so that the
-	     process gets a chance for a normal termination.  */
-	  save = errno;
-	  free (buffer);
-	  __set_errno (save);
-	}
-      buffer = new_buf;
-    }
-
-  if (buffer == NULL)
-    result = NULL;
-
-  /* Release lock.  Preserve error value.  */
-  save = errno;
-  __libc_lock_unlock (lock);
-  __set_errno (save);
-
-  return result;
-}