ldbl-opt: Add error and error_at_line (bug 23984)
On platforms where long double may have the same format as double (-mlong-double-64), error and error_at_line do not take that into account and might produce wrong output if a long double conversion is requested by the format string ('%Lf'). This patch adds compatibility functions for this situation and redirects calls via header magic. Tested for powerpc, powerpc64 and powerpc64le.
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ChangeLog
29
ChangeLog
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@ -1,3 +1,32 @@
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2019-03-01 Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
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[BZ #23984]
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* include/bits/error-ldbl.h: New file.
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* include/error.h: Include stdarg.h. Declare internal functions
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__error_internal and __error_at_line_internal.
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* misc/Makefile (headers): Add bits/error-ldbl.h.
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* misc/bits/error-ldbl.h: New file.
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* misc/error.h [__LDBL_COMPAT]: Include bits/error-ldbl.h and
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avoid the inclusion of bits/error.h.
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* sysdeps/ieee754/ldbl-opt/Versions (libc): Add __nldbl_error,
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and __nldbl_error_at_line.
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* sysdeps/ieee754/ldbl-opt/nldbl-compat.c: Include error.h.
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(__nldbl_error, __ndlbl_error_at_line): New functions.
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* sysdeps/ieee754/ldbl-opt/nldbl-compat.h: Include error.h.
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Redirect error and error_at_line.
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* sysdeps/unix/sysv/linux/alpha/libc.abilist: Update.
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* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libc.abilist:
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Likewise.
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* sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libc.abilist:
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Likewise.
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* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc-le.abilist:
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Likewise.
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* sysdeps/unix/sysv/linux/powerpc/powerpc64/libc.abilist:
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Likewise.
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* sysdeps/unix/sysv/linux/s390/s390-32/libc.abilist: Likewise.
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* sysdeps/unix/sysv/linux/s390/s390-64/libc.abilist: Likewise.
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* sysdeps/unix/sysv/linux/sparc/sparc32/libc.abilist: Likewise.
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2019-03-01 Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
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2019-03-01 Gabriel F. T. Gomes <gabriel@inconstante.eti.br>
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[BZ #23984]
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[BZ #23984]
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@ -0,0 +1 @@
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#include <misc/bits/error-ldbl.h>
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@ -1 +1,15 @@
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#ifndef _ERROR_H
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#include <misc/error.h>
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#include <misc/error.h>
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#include <stdarg.h>
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void
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__error_internal (int status, int errnum, const char *message,
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va_list args, unsigned int mode_flags);
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void
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__error_at_line_internal (int status, int errnum, const char *file_name,
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unsigned int line_number, const char *message,
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va_list args, unsigned int mode_flags);
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#endif
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@ -37,7 +37,7 @@ headers := sys/uio.h bits/uio-ext.h bits/uio_lim.h \
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bits/syslog.h bits/syslog-ldbl.h bits/syslog-path.h bits/error.h \
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bits/syslog.h bits/syslog-ldbl.h bits/syslog-path.h bits/error.h \
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bits/select2.h bits/hwcap.h sys/auxv.h \
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bits/select2.h bits/hwcap.h sys/auxv.h \
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sys/sysmacros.h bits/sysmacros.h bits/types/struct_iovec.h \
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sys/sysmacros.h bits/sysmacros.h bits/types/struct_iovec.h \
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bits/err-ldbl.h
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bits/err-ldbl.h bits/error-ldbl.h
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routines := brk sbrk sstk ioctl \
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routines := brk sbrk sstk ioctl \
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readv writev preadv preadv64 pwritev pwritev64 \
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readv writev preadv preadv64 pwritev pwritev64 \
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@ -0,0 +1,24 @@
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/* Redirections for error.h functions for -mlong-double-64.
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Copyright (C) 2019 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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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _ERROR_H
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# error "Never include <bits/error-ldbl.h> directly; use <error.h> instead."
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#endif
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__LDBL_REDIR_DECL (error)
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__LDBL_REDIR_DECL (error_at_line)
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12
misc/error.h
12
misc/error.h
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@ -47,9 +47,15 @@ extern unsigned int error_message_count;
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variable controls whether this mode is selected or not. */
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variable controls whether this mode is selected or not. */
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extern int error_one_per_line;
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extern int error_one_per_line;
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#ifdef __LDBL_COMPAT
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#if defined __extern_always_inline && defined __va_arg_pack
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# include <bits/error-ldbl.h>
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# include <bits/error.h>
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#else
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/* Do not inline error and error_at_line when long double has the same
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size of double, because that would invalidate the redirections to the
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compatibility functions. */
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# if defined __extern_always_inline && defined __va_arg_pack
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# include <bits/error.h>
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# endif
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#endif
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#endif
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__END_DECLS
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__END_DECLS
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@ -82,6 +82,7 @@ libc {
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__nldbl_argp_error; __nldbl_argp_failure;
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__nldbl_argp_error; __nldbl_argp_failure;
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__nldbl_warn; __nldbl_vwarn; __nldbl_warnx; __nldbl_vwarnx;
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__nldbl_warn; __nldbl_vwarn; __nldbl_warnx; __nldbl_vwarnx;
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__nldbl_err; __nldbl_verr; __nldbl_errx; __nldbl_verrx;
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__nldbl_err; __nldbl_verr; __nldbl_errx; __nldbl_verrx;
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__nldbl_error; __nldbl_error_at_line;
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}
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}
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}
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}
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libm {
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libm {
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@ -24,6 +24,7 @@
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#include <argp.h>
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#include <argp.h>
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#include <err.h>
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#include <err.h>
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#include <error.h>
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#include <stdarg.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdio.h>
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#include <libio/strfile.h>
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#include <libio/strfile.h>
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__vwarnx_internal (format, ap, PRINTF_LDBL_IS_DBL);
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__vwarnx_internal (format, ap, PRINTF_LDBL_IS_DBL);
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}
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}
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void
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__nldbl_error (int status, int errnum, const char *message, ...)
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{
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va_list ap;
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va_start (ap, message);
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__error_internal (status, errnum, message, ap, PRINTF_LDBL_IS_DBL);
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va_end (ap);
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}
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void
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__nldbl_error_at_line (int status, int errnum, const char *file_name,
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unsigned int line_number, const char *message,
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...)
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{
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va_list ap;
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va_start (ap, message);
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__error_at_line_internal (status, errnum, file_name, line_number,
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message, ap, PRINTF_LDBL_IS_DBL);
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va_end (ap);
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}
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#if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
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#if LONG_DOUBLE_COMPAT(libc, GLIBC_2_0)
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compat_symbol (libc, __nldbl__IO_printf, _IO_printf, GLIBC_2_0);
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compat_symbol (libc, __nldbl__IO_printf, _IO_printf, GLIBC_2_0);
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compat_symbol (libc, __nldbl__IO_sprintf, _IO_sprintf, GLIBC_2_0);
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compat_symbol (libc, __nldbl__IO_sprintf, _IO_sprintf, GLIBC_2_0);
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#define __NO_LONG_DOUBLE_MATH 1
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#define __NO_LONG_DOUBLE_MATH 1
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#include <argp.h>
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#include <argp.h>
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#include <err.h>
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#include <err.h>
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#include <error.h>
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#include <stdarg.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <stdint.h>
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NLDBL_DECL (verr);
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NLDBL_DECL (verr);
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NLDBL_DECL (errx);
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NLDBL_DECL (errx);
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NLDBL_DECL (verrx);
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NLDBL_DECL (verrx);
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NLDBL_DECL (error);
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NLDBL_DECL (error_at_line);
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/* These do not exist in the normal interface, but must exist in the
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/* These do not exist in the normal interface, but must exist in the
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__nldbl interface so that they can be called from libnldbl. */
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__nldbl interface so that they can be called from libnldbl. */
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@ -2207,6 +2207,8 @@ GLIBC_2.3.4 xdr_u_quad_t F
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GLIBC_2.30 __nldbl_argp_error F
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GLIBC_2.30 __nldbl_argp_error F
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GLIBC_2.30 __nldbl_argp_failure F
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GLIBC_2.30 __nldbl_argp_failure F
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GLIBC_2.30 __nldbl_err F
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GLIBC_2.30 __nldbl_err F
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GLIBC_2.30 __nldbl_error F
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GLIBC_2.30 __nldbl_error_at_line F
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GLIBC_2.30 __nldbl_errx F
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GLIBC_2.30 __nldbl_errx F
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GLIBC_2.30 __nldbl_verr F
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GLIBC_2.30 __nldbl_verr F
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GLIBC_2.30 __nldbl_verrx F
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GLIBC_2.30 __nldbl_verrx F
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@ -2167,6 +2167,8 @@ GLIBC_2.3.4 xdr_u_quad_t F
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GLIBC_2.30 __nldbl_argp_error F
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GLIBC_2.30 __nldbl_argp_error F
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GLIBC_2.30 __nldbl_argp_failure F
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GLIBC_2.30 __nldbl_argp_failure F
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GLIBC_2.30 __nldbl_err F
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GLIBC_2.30 __nldbl_err F
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GLIBC_2.30 __nldbl_error F
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GLIBC_2.30 __nldbl_error_at_line F
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GLIBC_2.30 __nldbl_errx F
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GLIBC_2.30 __nldbl_errx F
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GLIBC_2.30 __nldbl_verr F
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GLIBC_2.30 __nldbl_verr F
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GLIBC_2.30 __nldbl_verrx F
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GLIBC_2.30 __nldbl_verrx F
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@ -2200,6 +2200,8 @@ GLIBC_2.3.4 xdr_u_quad_t F
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GLIBC_2.30 __nldbl_argp_error F
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GLIBC_2.30 __nldbl_argp_error F
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GLIBC_2.30 __nldbl_argp_failure F
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GLIBC_2.30 __nldbl_argp_failure F
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GLIBC_2.30 __nldbl_err F
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GLIBC_2.30 __nldbl_err F
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GLIBC_2.30 __nldbl_error F
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GLIBC_2.30 __nldbl_error_at_line F
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GLIBC_2.30 __nldbl_errx F
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GLIBC_2.30 __nldbl_errx F
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GLIBC_2.30 __nldbl_verr F
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GLIBC_2.30 __nldbl_verr F
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GLIBC_2.30 __nldbl_verrx F
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GLIBC_2.30 __nldbl_verrx F
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@ -2030,6 +2030,8 @@ GLIBC_2.3.4 xdr_u_quad_t F
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GLIBC_2.30 __nldbl_argp_error F
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GLIBC_2.30 __nldbl_argp_error F
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GLIBC_2.30 __nldbl_argp_failure F
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GLIBC_2.30 __nldbl_argp_failure F
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GLIBC_2.30 __nldbl_err F
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GLIBC_2.30 __nldbl_err F
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GLIBC_2.30 __nldbl_error F
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GLIBC_2.30 __nldbl_error_at_line F
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GLIBC_2.30 __nldbl_errx F
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GLIBC_2.30 __nldbl_errx F
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GLIBC_2.30 __nldbl_verr F
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GLIBC_2.30 __nldbl_verr F
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GLIBC_2.30 __nldbl_verrx F
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GLIBC_2.30 __nldbl_verrx F
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@ -2234,6 +2234,8 @@ GLIBC_2.29 posix_spawn_file_actions_addfchdir_np F
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GLIBC_2.30 __nldbl_argp_error F
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GLIBC_2.30 __nldbl_argp_error F
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GLIBC_2.30 __nldbl_argp_failure F
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GLIBC_2.30 __nldbl_argp_failure F
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GLIBC_2.30 __nldbl_err F
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GLIBC_2.30 __nldbl_err F
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GLIBC_2.30 __nldbl_error F
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GLIBC_2.30 __nldbl_error_at_line F
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GLIBC_2.30 __nldbl_errx F
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GLIBC_2.30 __nldbl_errx F
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GLIBC_2.30 __nldbl_verr F
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GLIBC_2.30 __nldbl_verr F
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GLIBC_2.30 __nldbl_verrx F
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GLIBC_2.30 __nldbl_verrx F
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@ -2162,6 +2162,8 @@ GLIBC_2.3.4 xdr_u_quad_t F
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GLIBC_2.30 __nldbl_argp_error F
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GLIBC_2.30 __nldbl_argp_error F
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GLIBC_2.30 __nldbl_argp_failure F
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GLIBC_2.30 __nldbl_argp_failure F
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GLIBC_2.30 __nldbl_err F
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GLIBC_2.30 __nldbl_err F
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GLIBC_2.30 __nldbl_error F
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GLIBC_2.30 __nldbl_error_at_line F
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GLIBC_2.30 __nldbl_errx F
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GLIBC_2.30 __nldbl_errx F
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GLIBC_2.30 __nldbl_verr F
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GLIBC_2.30 __nldbl_verr F
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GLIBC_2.30 __nldbl_verrx F
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GLIBC_2.30 __nldbl_verrx F
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GLIBC_2.30 __nldbl_argp_error F
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GLIBC_2.30 __nldbl_argp_error F
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GLIBC_2.30 __nldbl_argp_failure F
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GLIBC_2.30 __nldbl_argp_failure F
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GLIBC_2.30 __nldbl_err F
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GLIBC_2.30 __nldbl_err F
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GLIBC_2.30 __nldbl_error F
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GLIBC_2.30 __nldbl_error_at_line F
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GLIBC_2.30 __nldbl_errx F
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GLIBC_2.30 __nldbl_errx F
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GLIBC_2.30 __nldbl_verr F
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GLIBC_2.30 __nldbl_verr F
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GLIBC_2.30 __nldbl_verrx F
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GLIBC_2.30 __nldbl_verrx F
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@ -2156,6 +2156,8 @@ GLIBC_2.3.4 xdr_u_quad_t F
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GLIBC_2.30 __nldbl_argp_error F
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GLIBC_2.30 __nldbl_argp_error F
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GLIBC_2.30 __nldbl_argp_failure F
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GLIBC_2.30 __nldbl_argp_failure F
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GLIBC_2.30 __nldbl_err F
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GLIBC_2.30 __nldbl_err F
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GLIBC_2.30 __nldbl_error F
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GLIBC_2.30 __nldbl_error_at_line F
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GLIBC_2.30 __nldbl_errx F
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GLIBC_2.30 __nldbl_errx F
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GLIBC_2.30 __nldbl_verr F
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GLIBC_2.30 __nldbl_verr F
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GLIBC_2.30 __nldbl_verrx F
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GLIBC_2.30 __nldbl_verrx F
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