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commit b1b8f5d89d06a994773e22ad4b7fe1036b37f8ab
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Author: Stefan Liebler <stli@linux.vnet.ibm.com>
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Date:   Thu Apr 14 12:21:53 2016 +0200
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    Fix strfmon_l: Use specified locale for number formatting [BZ #19633]
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    The commit 985fc132f23dbb83de76c5af9e783ef1b5900148
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    "strfmon_l: Use specified locale for number formatting [BZ #19633]"
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    introduced an elf/check-abi-libc testfailure due to __printf_fp_l
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    on architectures which use sysdeps/ieee754/ldbl-opt/math_ldbl_opt.h.
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    This patch uses libc_hidden_def instead of ldbl_hidden_def.
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    The ldbl_strong_alias is removed due to the rename of ___printf_fp_l
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    to __printf_fp_l.
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    ChangeLog:
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            * stdio-common/printf_fp.c (__printf_fp_l):
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            Rename ___printf_fp_l to __printf_fp_l and
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            remove strong alias. Use libc_hidden_def instead
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            of ldbl_hidden_def macro.
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Index: b/stdio-common/printf_fp.c
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===================================================================
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--- a/stdio-common/printf_fp.c
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+++ b/stdio-common/printf_fp.c
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@@ -153,9 +153,9 @@ static wchar_t *group_number (wchar_t *b
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 int
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-___printf_fp_l (FILE *fp, locale_t loc,
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-		const struct printf_info *info,
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-		const void *const *args)
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+__printf_fp_l (FILE *fp, locale_t loc,
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+	       const struct printf_info *info,
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+	       const void *const *args)
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 {
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   /* The floating-point value to output.  */
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   union
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@@ -1247,14 +1247,13 @@ ___printf_fp_l (FILE *fp, locale_t loc,
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   }
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   return done;
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 }
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-ldbl_hidden_def (___printf_fp_l, __printf_fp_l)
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-ldbl_strong_alias (___printf_fp_l, __printf_fp_l)
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+libc_hidden_def (__printf_fp_l)
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 int
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 ___printf_fp (FILE *fp, const struct printf_info *info,
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 	      const void *const *args)
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 {
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-  return ___printf_fp_l (fp, _NL_CURRENT_LOCALE, info, args);
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+  return __printf_fp_l (fp, _NL_CURRENT_LOCALE, info, args);
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 }
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 ldbl_hidden_def (___printf_fp, __printf_fp)
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 ldbl_strong_alias (___printf_fp, __printf_fp)