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| author | Andreas Schwab <schwab@suse.de> | 2022-08-29 15:05:40 +0200 |
|---|---|---|
| committer | Andreas Schwab <schwab@suse.de> | 2022-08-29 17:05:36 +0200 |
| commit | ca6466e8be32369a658035d69542d47603e58a99 (patch) | |
| tree | ebcdd48458bd430a2d87afb56eec5e78bff65adc /stdio-common | |
| parent | 51231c469b49fb3837590f40a93f88db9a20bb86 (diff) | |
| download | glibc-ca6466e8be32369a658035d69542d47603e58a99.zip glibc-ca6466e8be32369a658035d69542d47603e58a99.tar.gz glibc-ca6466e8be32369a658035d69542d47603e58a99.tar.bz2 | |
Add test for bug 29530
This tests for a bug that was introduced in commit edc1686af0 ("vfprintf:
Reuse work_buffer in group_number") and fixed as a side effect of commit
6caddd34bd ("Remove most vfprintf width/precision-dependent allocations
(bug 14231, bug 26211).").
Diffstat (limited to 'stdio-common')
| -rw-r--r-- | stdio-common/Makefile | 2 | ||||
| -rw-r--r-- | stdio-common/tst-grouping2.c | 39 |
2 files changed, 41 insertions, 0 deletions
diff --git a/stdio-common/Makefile b/stdio-common/Makefile index b1e9144..e11aaed 100644 --- a/stdio-common/Makefile +++ b/stdio-common/Makefile @@ -174,6 +174,7 @@ tests := \ tst-fwrite \ tst-gets \ tst-grouping \ + tst-grouping2 \ tst-long-dbl-fphex \ tst-memstream-string \ tst-obprintf \ @@ -295,6 +296,7 @@ $(objpfx)bug14.out: $(gen-locales) $(objpfx)scanf13.out: $(gen-locales) $(objpfx)test-vfprintf.out: $(gen-locales) $(objpfx)tst-grouping.out: $(gen-locales) +$(objpfx)tst-grouping2.out: $(gen-locales) $(objpfx)tst-sprintf.out: $(gen-locales) $(objpfx)tst-sscanf.out: $(gen-locales) $(objpfx)tst-swprintf.out: $(gen-locales) diff --git a/stdio-common/tst-grouping2.c b/stdio-common/tst-grouping2.c new file mode 100644 index 0000000..3024c94 --- /dev/null +++ b/stdio-common/tst-grouping2.c @@ -0,0 +1,39 @@ +/* Test printf with grouping and large width (bug 29530) + Copyright (C) 2022 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <locale.h> +#include <stdio.h> +#include <support/check.h> +#include <support/support.h> + +static int +do_test (void) +{ + const int field_width = 1000; + char buf[field_width + 1]; + + xsetlocale (LC_NUMERIC, "de_DE.UTF-8"); + + /* This used to crash in group_number. */ + TEST_COMPARE (sprintf (buf, "%'*d", field_width, 1000), field_width); + TEST_COMPARE_STRING (buf + field_width - 6, " 1.000"); + + return 0; +} + +#include <support/test-driver.c> |