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(HOST_DB_LOOKUP): Ensure sufficient alignment of buffer and tmp_buffer.
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@ -1,5 +1,6 @@
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/* Hosts file parser in nss_files module.
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Copyright (C) 1996-2001, 2003, 2004, 2006 Free Software Foundation, Inc.
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Copyright (C) 1996-2001, 2003, 2004, 2006, 2007
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Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -102,6 +103,10 @@ _nss_files_get##name##_r (proto, \
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{ \
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enum nss_status status; \
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\
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uintptr_t pad = -(uintptr_t) buffer % __alignof__ (struct hostent_data); \
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buffer += pad; \
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buflen = buflen > pad ? buflen - pad : 0; \
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\
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__libc_lock_lock (lock); \
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\
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/* Reset file pointer to beginning or open file. */ \
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@ -122,7 +127,8 @@ _nss_files_get##name##_r (proto, \
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{ \
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/* We have to get all host entries from the file. */ \
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const size_t tmp_buflen = MIN (buflen, 4096); \
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char tmp_buffer[tmp_buflen]; \
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char tmp_buffer[tmp_buflen] \
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__attribute__ ((__aligned__ (__alignof__ (struct hostent_data))));\
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struct hostent tmp_result_buf; \
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int naddrs = 1; \
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int naliases = 0; \
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