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Rename __LONG_DOUBLE_USES_FLOAT128 to __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI

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Improve the commentary to aid future developers who will stumble
upon this novel, yet not always perfect, mechanism to support
alternative formats for long double.

Likewise, rename __LONG_DOUBLE_USES_FLOAT128 to
__LDOUBLE_REDIRECTS_TO_FLOAT128_ABI now that development work
has settled down.  The command used was

git grep -l __LONG_DOUBLE_USES_FLOAT128 ':!./ChangeLog*' | \
  xargs sed -i 's/__LONG_DOUBLE_USES_FLOAT128/__LDOUBLE_REDIRECTS_TO_FLOAT128_ABI/g'

Reviewed-by: Tulio Magno Quites Machado Filho <tuliom@linux.ibm.com>
This commit is contained in:
Paul E. Murphy
2020-02-14 16:41:11 -06:00
parent 86005fdbf4
commit e2239af353
37 changed files with 74 additions and 64 deletions
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8
libio/stdio.h
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@@ -401,11 +401,11 @@ extern int sscanf (const char *__restrict __s,
/* For historical reasons, the C99-compliant versions of the scanf
functions are at alternative names. When __LDBL_COMPAT or
__LONG_DOUBLE_USES_FLOAT128 are in effect, this is handled in
__LDOUBLE_REDIRECTS_TO_FLOAT128_ABI are in effect, this is handled in
bits/stdio-ldbl.h. */
#include <bits/floatn.h>
#if !__GLIBC_USE (DEPRECATED_SCANF) && !defined __LDBL_COMPAT \
&& __LONG_DOUBLE_USES_FLOAT128 == 0
&& __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 0
# ifdef __REDIRECT
extern int __REDIRECT (fscanf, (FILE *__restrict __stream,
const char *__restrict __format, ...),
@@ -451,7 +451,7 @@ extern int vsscanf (const char *__restrict __s,
/* Same redirection as above for the v*scanf family. */
# if !__GLIBC_USE (DEPRECATED_SCANF)
# if defined __REDIRECT && !defined __LDBL_COMPAT \
&& __LONG_DOUBLE_USES_FLOAT128 == 0
&& __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 0
extern int __REDIRECT (vfscanf,
(FILE *__restrict __s,
const char *__restrict __format, __gnuc_va_list __arg),
@@ -872,7 +872,7 @@ extern int __overflow (FILE *, int);
#endif
#include <bits/floatn.h>
#if defined __LDBL_COMPAT || __LONG_DOUBLE_USES_FLOAT128 == 1
#if defined __LDBL_COMPAT || __LDOUBLE_REDIRECTS_TO_FLOAT128_ABI == 1
# include <bits/stdio-ldbl.h>
#endif