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Avinal Kumar 04e8698fcc stdio-common: Fix scanf parsing for NaN types [BZ #30647] 
The scanf family of functions like sscanf and fscanf currently
ignore nan() and nan(n-char-sequence).  This happens because
__vfscanf_internal only checks for 'nan'.

This commit adds support for all valid nan types i.e.  nan, nan()
and nan(n-char-sequence), where n-char-sequence can be
[a-zA-Z0-9_]+, thus fixing the bug 30647.  Any other representation
of NaN should result in conversion error.

New tests are also added to verify the correct parsing of NaN types for
float, double and long double formats.

Signed-off-by: Avinal Kumar <avinal.xlvii@gmail.com>
Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
 		2024-10-25 15:05:06 -03:00
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bits
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Depend
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Makefile stdio-common: Fix scanf parsing for NaN types [BZ #30647] 2024-10-25 15:05:06 -03:00
Versions
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Xprintf_buffer_done.c
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Xprintf_buffer_flush.c
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Xprintf_buffer_pad_1.c
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Xprintf_buffer_putc_1.c
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Xprintf_buffer_puts_1.c
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Xprintf_buffer_write.c
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Xprintf_function_invoke.c
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_i18n_number.h
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_itoa.c
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_itowa.c
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_itowa.h
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asprintf.c
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bug-vfprintf-nargs.c
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bug1.c
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bug1.input
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bug2.c
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bug3.c
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bug4.c
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bug5.c
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bug6.c
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bug6.input
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bug7.c
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bug8.c
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bug10.c
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bug11.c
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bug12.c
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bug13.c
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bug14.c
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bug16.c
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bug17.c
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bug18.c
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bug18a.c
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bug19.c
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bug19a.c
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bug20.c
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bug21.c
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bug22.c
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bug23.c
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bug24.c
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bug25.c
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bug26.c
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bug27.c
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bug28.c
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bug29.c
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ctermid.c
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cuserid.c
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dprintf.c
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err_map.h
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errlist-compat-data.h
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errlist-data-gen.c
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errlist-data.S
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errlist.c
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errname.c
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errnobug.c
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flockfile.c
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fprintf.c
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fscanf.c
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ftrylockfile.c
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funlockfile.c
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fxprintf.c
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gentempfd.c
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getline.c
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getw.c
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grouping_iterator.c
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grouping_iterator.h
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iovfscanf.c
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isoc23_fscanf.c
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isoc23_scanf.c
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isoc23_sscanf.c
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isoc23_vfscanf.c
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isoc23_vscanf.c
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isoc23_vsscanf.c
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isoc99_fscanf.c
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isoc99_scanf.c
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isoc99_sscanf.c
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isoc99_vfscanf.c
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isoc99_vscanf.c
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isoc99_vsscanf.c
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itoa-digits.c
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itoa-udigits.c
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itowa-digits.c
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perror.c
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printf-parse.h
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printf-parsemb.c
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printf-parsewc.c
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printf-prs.c
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printf.c
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printf.h
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printf_buffer-char.h
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printf_buffer-wchar_t.h
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printf_buffer_as_file.c
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printf_buffer_as_file.h
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printf_buffer_done.c
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printf_buffer_flush.c
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printf_buffer_pad_1.c
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printf_buffer_putc_1.c
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printf_buffer_puts_1.c
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printf_buffer_to_file.c
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printf_buffer_to_file.h
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printf_buffer_write.c
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printf_fp.c
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printf_fphex.c
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printf_function_invoke.c
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printf_size.c
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psiginfo-data.h
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psiginfo-define.h
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psiginfo.c
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psignal.c
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putw.c
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reg-modifier.c
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reg-printf.c
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reg-type.c
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remove.c
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rename.c
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renameat.c
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renameat2.c
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scanf.c
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scanf1.c
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scanf2.c
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scanf3.c
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scanf4.c
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scanf5.c
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scanf7.c
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scanf8.c
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scanf9.c
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scanf10.c
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scanf11.c
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scanf12.c
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scanf12.input
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scanf13.c
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scanf14.c
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scanf15.c
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scanf16.c
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scanf17.c
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scanf18.c
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scanf19.c
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siglist-gen.c
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siglist.S
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snprintf.c
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sprintf.c
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sscanf.c
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stdio_ext.h
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tempnam.c
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tempname.c
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temptest.c
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test-fseek.c
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test-fwrite.c
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test-popen.c
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test-strerr.c
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test-vfprintf.c
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test_rdwr.c
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tfformat.c
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tiformat.c
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tllformat.c
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tmpdir.c
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tmpdir.h
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tmpfile.c
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tmpfile64.c
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tmpnam.c
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tmpnam_r.c
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translated_number_width.c
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tst-bz11319-fortify2.c
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tst-bz11319.c
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tst-cookie.c
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tst-dprintf-length.c
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tst-errno-manual.py
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tst-fdopen.c
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tst-fdopen2.c stdio-common: Add new test for fdopen 2024-09-26 15:33:03 +02:00
tst-ferror.c
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tst-ferror.input
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tst-fgets.c
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tst-fgets2.c fgets: more tests 2024-09-04 16:24:12 -04:00
tst-fileno.c
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tst-fmemopen.c
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tst-fmemopen2.c
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tst-fmemopen3.c
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tst-fmemopen4.c
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tst-fphex-wide.c
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tst-fphex.c
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tst-fread.c Add tests of fread 2024-09-24 14:06:22 +00:00
tst-freopen2-main.c Fix freopen handling of ,ccs= (bug 23675) 2024-09-05 20:08:10 +00:00
tst-freopen2.c Add more thorough tests of freopen 2024-09-04 16:32:21 +00:00
tst-freopen3-main.c Fix memory leak on freopen error return (bug 32140) 2024-09-05 11:16:59 +00:00
tst-freopen3.c Add more thorough tests of freopen 2024-09-04 16:32:21 +00:00
tst-freopen4-main.c stdio-common: Fix memory leak in tst-freopen4* tests on UNSUPPORTED 2024-09-28 21:06:11 +02:00
tst-freopen4.c Add freopen special-case tests: chroot, EFBIG, stdin/stdout/stderr 2024-09-20 23:26:31 +00:00
tst-freopen5.c Add freopen special-case tests: chroot, EFBIG, stdin/stdout/stderr 2024-09-20 23:26:31 +00:00
tst-freopen6-main.c Add freopen special-case tests: chroot, EFBIG, stdin/stdout/stderr 2024-09-20 23:26:31 +00:00
tst-freopen6.c Add freopen special-case tests: chroot, EFBIG, stdin/stdout/stderr 2024-09-20 23:26:31 +00:00
tst-freopen7-main.c Add freopen special-case tests: thread cancellation 2024-10-07 19:44:25 +00:00
tst-freopen7.c Add freopen special-case tests: thread cancellation 2024-10-07 19:44:25 +00:00
tst-freopen64-2.c Add more thorough tests of freopen 2024-09-04 16:32:21 +00:00
tst-freopen64-3.c Add more thorough tests of freopen 2024-09-04 16:32:21 +00:00
tst-freopen64-4.c Add freopen special-case tests: chroot, EFBIG, stdin/stdout/stderr 2024-09-20 23:26:31 +00:00
tst-freopen64-6.c Add freopen special-case tests: chroot, EFBIG, stdin/stdout/stderr 2024-09-20 23:26:31 +00:00
tst-freopen64-7.c Add freopen special-case tests: thread cancellation 2024-10-07 19:44:25 +00:00
tst-fseek.c
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tst-fwrite-memstrm.c Add a new fwrite test for memory streams 2024-09-09 15:58:07 -03:00
tst-fwrite-overflow.c Add a new fwrite test that exercises buffer overflow 2024-09-30 15:57:12 -03:00
tst-fwrite-ro.c Add a new fwrite test for read-only streams 2024-09-09 14:32:20 -03:00
tst-fwrite.c
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tst-getline-enomem.c Add more tests of getline 2024-08-21 19:58:14 +00:00
tst-getline.c Add more tests of getline 2024-08-21 19:58:14 +00:00
tst-gets.c
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tst-gets.input
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tst-grouping.c
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tst-grouping2.c
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tst-grouping3.c
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tst-grouping_iterator.c
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tst-long-dbl-fphex.c
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tst-memstream-string.c
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tst-obprintf.c
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tst-perror.c
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tst-popen.c
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tst-popen2.c
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tst-popen3.c
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tst-printf-binary-main.c
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tst-printf-binary.c
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tst-printf-bz18872.sh
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tst-printf-bz25691.c
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tst-printf-fp-free.c
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tst-printf-fp-leak.c
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tst-printf-intn-main.c
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tst-printf-intn.c
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tst-printf-oct.c
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tst-printf-round.c
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tst-printf.c
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tst-printf.sh
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tst-printfsz-islongdouble.c
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tst-printfsz-islongdouble.sh
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tst-printfsz.c
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tst-put-error.c
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tst-renameat2.c support: Use macros for *stat wrappers 2024-08-16 16:05:20 +02:00
tst-rndseek.c
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tst-scanf-binary-c11.c
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tst-scanf-binary-c23.c
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tst-scanf-binary-gnu11.c
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tst-scanf-binary-gnu89.c
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tst-scanf-binary-main.c
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tst-scanf-bz27650.c
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tst-scanf-intn-main.c
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tst-scanf-intn.c
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tst-scanf-nan.c stdio-common: Fix scanf parsing for NaN types [BZ #30647] 2024-10-25 15:05:06 -03:00
tst-scanf-round.c
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tst-scanf-to_inpunct.c
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tst-setvbuf1.c
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tst-setvbuf1.expect
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tst-sprintf-errno.c
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tst-sprintf.c
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tst-sprintf2.c
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tst-sprintf3.c
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tst-sscanf.c
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tst-swprintf.c
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tst-swscanf.c
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tst-tmpnam.c
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tst-unbputc.c
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tst-unbputc.sh
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tst-ungetc-leak.c ungetc: Fix backup buffer leak on program exit [BZ #27821] 2024-08-15 13:56:13 -04:00
tst-ungetc.c ungetc: Fix uninitialized read when putting into unused streams [BZ #27821] 2024-08-15 13:55:07 -04:00
tst-unlockedio.c
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tst-vfprintf-mbs-prec.c
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tst-vfprintf-user-type.c
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tst-vfprintf-width-i18n.c
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tst-vfprintf-width-prec-alloc.c
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tst-vfprintf-width-prec.c
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tst-wc-printf.c
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tstdiomisc.c
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tstgetln.c
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tstgetln.input
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tstscanf.c
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tstscanf.input
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vfprintf-internal.c
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vfprintf-process-arg.c
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vfprintf.c
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vfscanf-internal.c stdio-common: Fix scanf parsing for NaN types [BZ #30647] 2024-10-25 15:05:06 -03:00
vfscanf.c
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vfwprintf-internal.c
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vfwprintf.c
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vfwscanf-internal.c
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vfwscanf.c
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vprintf.c
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wprintf_buffer_as_file.c
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wprintf_buffer_done.c
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wprintf_buffer_flush.c
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wprintf_buffer_pad_1.c
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wprintf_buffer_putc_1.c
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wprintf_buffer_puts_1.c
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wprintf_buffer_to_file.c
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wprintf_buffer_write.c
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wprintf_function_invoke.c
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xbug.c
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