mirror of
git://sourceware.org/git/glibc.git
synced 2025-03-06 20:58:33 +01:00
596a61cf6b
When an error happens, fwrite is expected to return a value that is less
than nmemb. If this error happens while flushing its internal buffer,
fwrite is in a complex scenario: all the data might have been written to
the buffer, indicating a successful copy, but the buffer is expected to
be flushed and it was not.
POSIX.1-2024 states the following about errors on fwrite:
If an error occurs, the resulting value of the file-position indicator
for the stream is unspecified.
The fwrite() function shall return the number of elements successfully
written, which may be less than nitems if a write error is encountered.
With that in mind, this commit modifies _IO_new_file_write in order to
return the total number of bytes written via the file pointer. It also
modifies fwrite in order to use the new information and return the
correct number of bytes written even when sputn returns EOF.
Add 2 tests:
1. tst-fwrite-bz29459: This test is based on the reproducer attached to
bug 29459. In order to work, it requires to pipe stdout to another
process making it hard to reuse test-driver.c. This code is more
specific to the issue reported.
2. tst-fwrite-pipe: Recreates the issue by creating a pipe that is shared
with a child process. Reuses test-driver.c. Evaluates a more generic
scenario.
Co-authored-by: Florian Weimer <fweimer@redhat.com>
Reviewed-by: DJ Delorie <dj@redhat.com>
707 lines
18 KiB
Makefile
707 lines
18 KiB
Makefile
# Copyright (C) 1991-2025 Free Software Foundation, Inc.
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# Copyright The GNU Toolchain Authors.
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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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# <https://www.gnu.org/licenses/>.
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#
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# Specific makefile for stdio-common.
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#
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subdir := stdio-common
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include ../Makeconfig
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# List of markers for printf family function tests.
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xprintf-funcs := p as d f s sn v vas vd vf vs vsn
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# List of data types and formats for individual per-conversion printf tests.
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fmt-convs := double ldouble
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fmts := E e F f G g
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# List of data types grouping all conversions in single printf tests.
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nonfmt-convs := c char int llong long s short
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nonfmt-convs += uchar uint ullong ulong ushort
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convs := $(sort $(fmt-convs) $(nonfmt-convs))
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xprintf-srcs := \
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$(foreach p,$(xprintf-funcs), \
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$(foreach c,$(convs),tst-printf-format-$(p)-$(c)))
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fmt-xprintf-stems := \
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$(foreach f,$(fmts), \
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$(foreach p,$(xprintf-funcs), \
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$(foreach c,$(fmt-convs), \
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tst-printf-format-$(p)-$(c)-$(f))))
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nonfmt-xprintf-stems := \
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$(foreach p,$(xprintf-funcs), \
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$(foreach c,$(nonfmt-convs),tst-printf-format-$(p)-$(c)))
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xprintf-stems := $(sort $(fmt-xprintf-stems) $(nonfmt-xprintf-stems))
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headers := \
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bits/printf-ldbl.h \
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bits/stdio_lim.h \
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printf.h \
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stdio_ext.h \
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# headers
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routines := \
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_itoa \
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_itowa \
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asprintf \
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ctermid \
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cuserid \
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dprintf \
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flockfile \
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fprintf \
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fscanf \
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ftrylockfile \
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funlockfile \
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gentempfd \
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getline \
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getw \
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grouping_iterator \
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iovfscanf \
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isoc23_fscanf \
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isoc23_scanf \
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isoc23_sscanf \
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isoc23_vfscanf \
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isoc23_vscanf \
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isoc23_vsscanf \
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isoc99_fscanf \
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isoc99_scanf \
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isoc99_sscanf \
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isoc99_vfscanf \
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isoc99_vscanf \
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isoc99_vsscanf \
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itoa-digits \
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itoa-udigits \
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itowa-digits \
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perror \
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printf \
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printf-prs \
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printf_buffer_as_file \
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printf_buffer_done \
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printf_buffer_flush \
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printf_buffer_pad_1 \
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printf_buffer_putc_1 \
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printf_buffer_puts_1 \
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printf_buffer_to_file \
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printf_buffer_write \
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printf_fp \
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printf_fphex \
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printf_function_invoke \
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printf_size \
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psiginfo \
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psignal \
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putw \
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reg-modifier \
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reg-printf \
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reg-type \
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remove \
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rename \
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renameat \
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renameat2 \
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scanf \
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snprintf \
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sprintf \
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sscanf \
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tempnam \
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tempname \
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tmpdir \
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tmpfile \
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tmpfile64 \
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tmpnam \
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tmpnam_r \
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translated_number_width \
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vfprintf \
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vfprintf-internal \
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vfscanf \
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vfscanf-internal \
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vfwprintf \
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vfwprintf-internal \
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vfwscanf \
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vfwscanf-internal \
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vprintf \
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wprintf_buffer_as_file \
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wprintf_buffer_done \
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wprintf_buffer_flush \
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wprintf_buffer_pad_1 \
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wprintf_buffer_putc_1 \
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wprintf_buffer_puts_1 \
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wprintf_buffer_to_file \
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wprintf_buffer_write \
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wprintf_function_invoke \
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# routines
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# Exclude fortified routines from being built with _FORTIFY_SOURCE
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routines_no_fortify += \
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asprintf \
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dprintf \
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fprintf \
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printf \
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snprintf \
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sprintf \
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vfprintf \
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vfwprintf \
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vprintf \
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# routines_no_fortify
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aux := \
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errlist \
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errlist-data \
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errname \
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fxprintf \
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printf-parsemb \
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printf-parsewc \
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siglist \
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# aux
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tests := \
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bug-vfprintf-nargs \
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bug1 \
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bug3 \
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bug4 \
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bug5 \
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bug6 \
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bug7 \
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bug8 \
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bug9 \
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bug10 \
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bug11 \
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bug12 \
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bug13 \
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bug14 \
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bug16 \
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bug17 \
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bug18 \
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bug18a \
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bug19 \
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bug19a \
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bug2 \
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bug20 \
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bug21 \
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bug22 \
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bug23 \
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bug24 \
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bug25 \
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bug26 \
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bug27 \
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bug29 \
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errnobug \
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scanf1 \
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scanf2 \
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scanf3 \
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scanf4 \
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scanf5 \
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scanf7 \
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scanf8 \
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scanf9 \
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scanf10 \
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scanf11 \
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scanf12 \
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scanf13 \
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scanf14 \
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scanf15 \
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scanf16 \
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scanf17 \
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scanf18 \
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scanf19 \
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temptest \
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test-fseek \
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test-fwrite \
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test-popen \
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test-strerr \
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test-vfprintf \
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test_rdwr \
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tfformat \
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tiformat \
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tllformat \
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tst-bz11319 \
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tst-bz11319-fortify2 \
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tst-cookie \
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tst-dprintf-length \
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tst-fdopen \
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tst-fdopen2 \
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tst-ferror \
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tst-fgets \
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tst-fgets2 \
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tst-fileno \
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tst-fmemopen \
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tst-fmemopen2 \
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tst-fmemopen3 \
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tst-fmemopen4 \
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tst-fopen \
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tst-fphex \
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tst-fphex-wide \
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tst-fread \
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tst-freopen2 \
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tst-freopen3 \
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tst-freopen4 \
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tst-freopen5 \
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tst-freopen6 \
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tst-freopen64-2 \
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tst-freopen64-3 \
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tst-freopen64-4 \
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tst-freopen64-6 \
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tst-freopen64-7 \
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tst-freopen7 \
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tst-fseek \
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tst-fwrite \
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tst-fwrite-memstrm \
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tst-fwrite-overflow \
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tst-fwrite-pipe \
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tst-fwrite-ro \
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tst-getline \
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tst-getline-enomem \
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tst-gets \
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tst-grouping \
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tst-grouping2 \
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tst-grouping3 \
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tst-long-dbl-fphex \
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tst-memstream-string \
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tst-obprintf \
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tst-perror \
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tst-popen \
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tst-popen2 \
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tst-printf-binary \
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tst-printf-intn \
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tst-printf-oct \
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tst-printf-round \
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tst-printfsz \
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tst-put-error \
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tst-renameat2 \
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tst-rndseek \
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tst-scanf-binary-c11 \
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tst-scanf-binary-c23 \
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tst-scanf-binary-gnu11 \
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tst-scanf-binary-gnu89 \
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tst-scanf-bz27650 \
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tst-scanf-intn \
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tst-scanf-nan \
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tst-scanf-round \
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tst-scanf-to_inpunct \
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tst-setvbuf1 \
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tst-sprintf \
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tst-sprintf-errno \
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tst-sprintf2 \
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tst-sprintf3 \
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tst-sscanf \
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tst-swprintf \
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tst-swscanf \
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tst-tmpnam \
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tst-ungetc \
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tst-ungetc-leak \
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tst-ungetc-nomem \
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tst-unlockedio \
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tst-vfprintf-mbs-prec \
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tst-vfprintf-user-type \
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tst-vfprintf-width-i18n \
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tst-vfprintf-width-prec-alloc \
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tst-wc-printf \
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tstdiomisc \
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tstgetln \
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tstscanf \
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xbug \
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# tests
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# Clang 19 takes a very long time, it ran more than 27 minutes on Intel
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# Core i7-1195G7 before the process was killed, to compile bug28.c.
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# The issue was fixed in upstream but check if clang has the version that has the fix:
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# https://github.com/llvm/llvm-project/commit/99dddef340e566e9d303010f1219f7d7d6d37a11
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ifneq ($(have-test-clang-19-or-less),yes)
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tests += \
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bug28 \
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# tests
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endif
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ifeq ($(run-built-tests),yes)
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ifeq (yes,$(build-shared))
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ifneq ($(PERL),no)
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tests += \
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tst-printf-bz18872 \
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tst-printf-bz25691 \
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tst-printf-fp-free \
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tst-printf-fp-leak \
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tst-vfprintf-width-prec \
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# tests
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endif
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endif
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endif
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tests-container += \
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tst-popen3
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# tests-container
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generated += \
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errlist-data-aux-shared.S \
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errlist-data-aux.S \
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siglist-aux-shared.S \
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siglist-aux.S \
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# generated
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tests-internal = \
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tst-grouping_iterator \
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# tests-internal
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test-srcs = \
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$(xprintf-srcs) \
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tst-fwrite-bz29459 \
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tst-printf \
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tst-printfsz-islongdouble \
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tst-unbputc \
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# test-srcs
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ifeq ($(run-built-tests),yes)
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tests-special += \
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$(foreach f,$(xprintf-stems),$(objpfx)$(f).out) \
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$(objpfx)tst-fwrite-bz29459.out \
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$(objpfx)tst-printf.out \
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$(objpfx)tst-printfsz-islongdouble.out \
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$(objpfx)tst-setvbuf1-cmp.out \
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$(objpfx)tst-unbputc.out \
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# tests-special
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ifeq (yes,$(build-shared))
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ifneq ($(PERL),no)
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tests-special += \
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$(foreach f,$(xprintf-stems),$(objpfx)$(f)-mem.out) \
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$(objpfx)tst-freopen2-mem.out \
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$(objpfx)tst-freopen3-mem.out \
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$(objpfx)tst-freopen4-mem.out \
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$(objpfx)tst-freopen5-mem.out \
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$(objpfx)tst-freopen6-mem.out \
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$(objpfx)tst-freopen64-2-mem.out \
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$(objpfx)tst-freopen64-3-mem.out \
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$(objpfx)tst-freopen64-4-mem.out \
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$(objpfx)tst-freopen64-6-mem.out \
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$(objpfx)tst-getline-enomem-mem.out \
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$(objpfx)tst-getline-mem.out \
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$(objpfx)tst-printf-bz18872-mem.out \
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$(objpfx)tst-printf-bz25691-mem.out \
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$(objpfx)tst-printf-fp-free-mem.out \
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$(objpfx)tst-printf-fp-leak-mem.out \
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$(objpfx)tst-ungetc-leak-mem.out \
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$(objpfx)tst-vfprintf-width-prec-mem.out \
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# tests-special
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generated += \
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$(foreach f,$(xprintf-stems),$(f)-mem.out) \
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$(foreach f,$(xprintf-stems),$(f).mtrace) \
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tst-freopen2-mem.out \
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tst-freopen2.mtrace \
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tst-freopen3-mem.out \
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tst-freopen3.mtrace \
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tst-freopen4-mem.out \
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tst-freopen4.mtrace \
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tst-freopen5-mem.out \
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tst-freopen5.mtrace \
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tst-freopen6-mem.out \
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tst-freopen6.mtrace \
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tst-freopen64-2-mem.out \
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tst-freopen64-2.mtrace \
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tst-freopen64-3-mem.out \
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tst-freopen64-3.mtrace \
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tst-freopen64-4-mem.out \
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tst-freopen64-4.mtrace \
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tst-freopen64-6-mem.out \
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tst-freopen64-6.mtrace \
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tst-getline-enomem-mem.out \
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tst-getline-enomem.mtrace \
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tst-getline-mem.out \
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tst-getline.mtrace \
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tst-printf-bz18872-mem.out \
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tst-printf-bz18872.c \
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tst-printf-bz18872.mtrace \
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tst-printf-bz25691-mem.out \
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tst-printf-bz25691.mtrace \
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tst-printf-fp-free-mem.out \
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tst-printf-fp-free.mtrace \
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tst-printf-fp-leak-mem.out \
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tst-printf-fp-leak.mtrace \
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tst-scanf-bz27650.mtrace \
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tst-ungetc-leak-mem.out \
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tst-ungetc-leak.mtrace \
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tst-vfprintf-width-prec-mem.out \
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tst-vfprintf-width-prec.mtrace \
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# generated
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endif
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endif
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endif # $(run-built-tests)
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tests-special += $(objpfx)tst-errno-manual.out
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include ../Rules
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# The errlist.c is built in two phases because compiler might reorder the
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# compat_symbol directive prior the object itself and on binutils older
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# than 2.29 it might generate object sizes different than the expected ones.
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$(objpfx)errlist-data-aux-shared.S: errlist-data-gen.c
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$(make-target-directory)
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$(compile-command.c) $(pic-cppflags) $(pic-ccflag) $(no-stack-protector) -S
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$(objpfx)errlist-data-aux.S: errlist-data-gen.c
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$(make-target-directory)
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$(compile-command.c) $(pie-default) $(no-stack-protector) -S
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ifndef no_deps
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-include $(objpfx)errlist-data-aux.S.d $(objpfx)errlist-data-aux-shared.S.d
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endif
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$(objpfx)errlist-data.os: $(objpfx)errlist-data-aux-shared.S
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$(addprefix $(objpfx)errlist-data, $(object-suffixes-noshared)): \
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$(objpfx)errlist-data-aux.S
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$(objpfx)siglist-aux-shared.S: siglist-gen.c
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$(make-target-directory)
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$(compile-command.c) $(pic-cppflags) $(pic-ccflag) $(no-stack-protector) -S
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$(objpfx)siglist-aux.S: siglist-gen.c
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$(make-target-directory)
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$(compile-command.c) $(pie-default) $(no-stack-protector) -S
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ifndef no_deps
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-include $(objpfx)siglist-aux.S.d $(objpfx)siglist-aux-shared.S.d
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endif
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$(objpfx)siglist.os: $(objpfx)siglist-aux-shared.S
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$(addprefix $(objpfx)siglist, $(object-suffixes-noshared)): \
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$(objpfx)siglist-aux.S
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ifeq ($(run-built-tests),yes)
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LOCALES := \
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bn_BD.UTF-8 \
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de_DE.ISO-8859-1 \
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de_DE.UTF-8 \
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en_US.ISO-8859-1 \
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fa_IR.UTF-8 \
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hi_IN.UTF-8 \
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ja_JP.EUC-JP \
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ps_AF.UTF-8 \
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rw_RW.UTF-8 \
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tg_TJ.UTF-8 \
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unm_US.UTF-8 \
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# LOCALES
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include ../gen-locales.mk
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$(objpfx)bug14.out: $(gen-locales)
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$(objpfx)scanf13.out: $(gen-locales)
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$(objpfx)test-vfprintf.out: $(gen-locales)
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$(objpfx)tst-grouping.out: $(gen-locales)
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$(objpfx)tst-grouping2.out: $(gen-locales)
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$(objpfx)tst-grouping_iterator.out: $(gen-locales)
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$(objpfx)tst-sprintf.out: $(gen-locales)
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$(objpfx)tst-sscanf.out: $(gen-locales)
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$(objpfx)tst-swprintf.out: $(gen-locales)
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$(objpfx)tst-vfprintf-mbs-prec.out: $(gen-locales)
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$(objpfx)tst-vfprintf-width-i18n.out: $(gen-locales)
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$(objpfx)tst-grouping3.out: $(gen-locales)
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$(objpfx)tst-scanf-to_inpunct.out: $(gen-locales)
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endif
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tst-printf-bz18872-ENV = MALLOC_TRACE=$(objpfx)tst-printf-bz18872.mtrace \
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LD_PRELOAD=$(common-objpfx)/malloc/libc_malloc_debug.so
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tst-vfprintf-width-prec-ENV = \
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MALLOC_TRACE=$(objpfx)tst-vfprintf-width-prec.mtrace \
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LD_PRELOAD=$(common-objpfx)/malloc/libc_malloc_debug.so
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tst-printf-bz25691-ENV = \
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MALLOC_TRACE=$(objpfx)tst-printf-bz25691.mtrace \
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LD_PRELOAD=$(common-objpfx)/malloc/libc_malloc_debug.so
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tst-printf-fp-free-ENV = \
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MALLOC_TRACE=$(objpfx)tst-printf-fp-free.mtrace \
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LD_PRELOAD=$(common-objpfx)/malloc/libc_malloc_debug.so
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tst-printf-fp-leak-ENV = \
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MALLOC_TRACE=$(objpfx)tst-printf-fp-leak.mtrace \
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LD_PRELOAD=$(common-objpfx)/malloc/libc_malloc_debug.so
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tst-scanf-bz27650-ENV = \
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MALLOC_TRACE=$(objpfx)tst-scanf-bz27650.mtrace \
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LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so
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tst-ungetc-leak-ENV = \
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MALLOC_TRACE=$(objpfx)tst-ungetc-leak.mtrace \
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LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so
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tst-getline-ENV = \
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MALLOC_TRACE=$(objpfx)tst-getline.mtrace \
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LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so
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tst-getline-enomem-ENV = \
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MALLOC_TRACE=$(objpfx)tst-getline-enomem.mtrace \
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LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so
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tst-freopen2-ENV = \
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MALLOC_TRACE=$(objpfx)tst-freopen2.mtrace \
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LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so
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tst-freopen64-2-ENV = \
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MALLOC_TRACE=$(objpfx)tst-freopen64-2.mtrace \
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LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so
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tst-freopen3-ENV = \
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MALLOC_TRACE=$(objpfx)tst-freopen3.mtrace \
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LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so
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tst-freopen64-3-ENV = \
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MALLOC_TRACE=$(objpfx)tst-freopen64-3.mtrace \
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LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so
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|
tst-freopen4-ENV = \
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MALLOC_TRACE=$(objpfx)tst-freopen4.mtrace \
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LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so
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tst-freopen64-4-ENV = \
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MALLOC_TRACE=$(objpfx)tst-freopen64-4.mtrace \
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LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so
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|
tst-freopen5-ENV = \
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MALLOC_TRACE=$(objpfx)tst-freopen5.mtrace \
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|
LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so
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|
tst-freopen6-ENV = \
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|
MALLOC_TRACE=$(objpfx)tst-freopen6.mtrace \
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|
LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so
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|
tst-freopen64-6-ENV = \
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|
MALLOC_TRACE=$(objpfx)tst-freopen64-6.mtrace \
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|
LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so
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|
|
|
$(objpfx)tst-fwrite-bz29459.out: tst-fwrite-bz29459.sh $(objpfx)tst-fwrite-bz29459
|
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$(SHELL) $< $(common-objpfx) '$(test-program-prefix)'; \
|
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$(evaluate-test)
|
|
|
|
$(objpfx)tst-unbputc.out: tst-unbputc.sh $(objpfx)tst-unbputc
|
|
$(SHELL) $< $(common-objpfx) '$(test-program-prefix)'; \
|
|
$(evaluate-test)
|
|
|
|
$(objpfx)tst-printf.out: tst-printf.sh $(objpfx)tst-printf
|
|
$(SHELL) $< $(common-objpfx) '$(test-program-prefix)'; \
|
|
$(evaluate-test)
|
|
|
|
# We can't split a quoted recipe line, so do it via an auxiliary variable.
|
|
make-tst-printf-format-out = \
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|
AWK='$(AWK)' BASH='$(BASH)' \
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|
$(BASH) $< $@ $(common-objpfx) \
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|
'$(run-program-prefix-before-env) \
|
|
$(run-program-env) \
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|
MALLOC_TRACE=$(@:.out=.mtrace) \
|
|
LD_PRELOAD=$(common-objpfx)malloc/libc_malloc_debug.so \
|
|
$(run-program-prefix-after-env)'
|
|
$(objpfx)tst-printf-format-%.out: \
|
|
tst-printf-format.sh $(foreach c,$(convs),tst-printf-format-$(c).sh) \
|
|
$(foreach f,$(xprintf-srcs),$(objpfx)$(f)) tst-printf-format.awk
|
|
$(make-tst-printf-format-out) > $@; \
|
|
$(evaluate-test)
|
|
|
|
$(objpfx)tst-printfsz-islongdouble.out: \
|
|
tst-printfsz-islongdouble.sh $(objpfx)tst-printfsz-islongdouble
|
|
$(SHELL) $^ '$(test-program-prefix)' $@; \
|
|
$(evaluate-test)
|
|
|
|
# We generate this source because it requires a printf invocation with
|
|
# 10K arguments.
|
|
$(objpfx)tst-printf-bz18872.c: tst-printf-bz18872.sh
|
|
rm -f $@ && $(BASH) $^ > $@.new && mv $@.new $@
|
|
|
|
$(objpfx)tst-%-mem.out: $(objpfx)tst-%.out
|
|
$(common-objpfx)malloc/mtrace $(objpfx)tst-$*.mtrace > $@; \
|
|
$(evaluate-test)
|
|
$(objpfx)tst-printf-format-%-mem.out: $(objpfx)tst-printf-format-%.out
|
|
{ test -r $(objpfx)tst-printf-format-$*.mtrace \
|
|
|| ( echo "$(objpfx)tst-printf-format-$*.mtrace does not exist"; \
|
|
exit 77; ) \
|
|
&& $(common-objpfx)malloc/mtrace \
|
|
$(objpfx)tst-printf-format-$*.mtrace; } > $@; \
|
|
$(evaluate-test)
|
|
|
|
errlist-h = $(firstword $(wildcard $(addsuffix /errlist.h,$(sysdirs) .)))
|
|
|
|
$(objpfx)tst-errno-manual.out: tst-errno-manual.py \
|
|
$(errlist-h) \
|
|
$(..)manual/errno.texi
|
|
$(PYTHON) tst-errno-manual.py -m $(..)manual/errno.texi \
|
|
-e $(errlist-h) > $@; \
|
|
$(evaluate-test)
|
|
|
|
CFLAGS-vfprintf.c += -Wno-uninitialized
|
|
CFLAGS-vfwprintf.c += -Wno-uninitialized
|
|
|
|
CFLAGS-tmpfile.c += -fexceptions
|
|
CFLAGS-tmpfile64.c += -fexceptions
|
|
CFLAGS-tempname.c += -fexceptions
|
|
CFLAGS-psignal.c += -fexceptions
|
|
CFLAGS-vprintf.c += -fexceptions
|
|
CFLAGS-cuserid.c += -fexceptions
|
|
|
|
CFLAGS-vfprintf.c += -fexceptions
|
|
CFLAGS-fprintf.c += -fexceptions
|
|
CFLAGS-printf.c += -fexceptions
|
|
CFLAGS-vfwprintf.c += -fexceptions
|
|
CFLAGS-vfscanf.c += -fexceptions
|
|
CFLAGS-vfwscanf.c += -fexceptions
|
|
CFLAGS-fscanf.c += -fexceptions
|
|
CFLAGS-scanf.c += -fexceptions
|
|
CFLAGS-isoc99_vfscanf.c += -fexceptions
|
|
CFLAGS-isoc99_vscanf.c += -fexceptions
|
|
CFLAGS-isoc99_fscanf.c += -fexceptions
|
|
CFLAGS-isoc99_scanf.c += -fexceptions
|
|
CFLAGS-isoc23_vfscanf.c += -fexceptions
|
|
CFLAGS-isoc23_vscanf.c += -fexceptions
|
|
CFLAGS-isoc23_fscanf.c += -fexceptions
|
|
CFLAGS-isoc23_scanf.c += -fexceptions
|
|
|
|
CFLAGS-dprintf.c += $(config-cflags-wno-ignored-attributes)
|
|
|
|
# Called during static library initialization, so turn stack-protection
|
|
# off for non-shared builds.
|
|
CFLAGS-_itoa.o = $(no-stack-protector)
|
|
CFLAGS-_itoa.op = $(no-stack-protector)
|
|
|
|
CFLAGS-scanf13.c += $(test-config-cflags-wno-fortify-source)
|
|
|
|
# scanf18.c and scanf19.c test a deprecated extension which is no
|
|
# longer visible under most conformance levels; see the source files
|
|
# for more detail.
|
|
CFLAGS-scanf18.c += -std=gnu89
|
|
CFLAGS-scanf19.c += -std=gnu89
|
|
|
|
CFLAGS-bug3.c += -DOBJPFX=\"$(objpfx)\"
|
|
CFLAGS-bug4.c += -DOBJPFX=\"$(objpfx)\"
|
|
CFLAGS-bug5.c += -DOBJPFX=\"$(objpfx)\"
|
|
CFLAGS-test-fseek.c += -DOBJPFX=\"$(objpfx)\"
|
|
CFLAGS-test-popen.c += -DOBJPFX=\"$(objpfx)\"
|
|
CFLAGS-test_rdwr.c += -DOBJPFX=\"$(objpfx)\"
|
|
|
|
# tst-gets.c tests a deprecated function.
|
|
CFLAGS-tst-gets.c += -Wno-deprecated-declarations
|
|
|
|
# BZ #11319 was first fixed for regular vdprintf, then reopened because
|
|
# the fortified version had the same bug.
|
|
CFLAGS-tst-bz11319-fortify2.c += $(no-fortify-source) -D_FORTIFY_SOURCE=2
|
|
|
|
CFLAGS-tst-memstream-string.c += -fno-builtin-fprintf
|
|
|
|
# Some versions of GCC supported for building glibc do not support -std=c23
|
|
# (added in GCC 14), or the older name -std=c2x (added in GCC 9), so
|
|
# the test for that version uses -std=c11 and then _ISOC23_SOURCE is defined in
|
|
# the test as needed.
|
|
CFLAGS-tst-scanf-binary-c11.c += -std=c11 -DOBJPFX=\"$(objpfx)\"
|
|
CFLAGS-tst-scanf-binary-c23.c += -std=c11 -DOBJPFX=\"$(objpfx)\"
|
|
CFLAGS-tst-scanf-binary-gnu11.c += -std=gnu11 -DOBJPFX=\"$(objpfx)\"
|
|
CFLAGS-tst-scanf-binary-gnu89.c += -std=gnu89 -DOBJPFX=\"$(objpfx)\"
|
|
|
|
CPPFLAGS += $(libio-mtsafe)
|
|
|
|
$(objpfx)tst-setvbuf1.out: /dev/null $(objpfx)tst-setvbuf1
|
|
$(test-program-cmd) > $@ 2>&1; \
|
|
$(evaluate-test)
|
|
|
|
$(objpfx)tst-setvbuf1-cmp.out: tst-setvbuf1.expect $(objpfx)tst-setvbuf1.out
|
|
cmp $^ > $@; \
|
|
$(evaluate-test)
|
|
|
|
$(objpfx)tst-printf-round: $(libm)
|
|
$(objpfx)tst-scanf-round: $(libm)
|
|
|
|
$(objpfx)tst-freopen7: $(shared-thread-library)
|
|
$(objpfx)tst-freopen64-7: $(shared-thread-library)
|