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Account for octal marker in %#o format

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This commit is contained in:
Andreas Schwab 2023-01-27 23:25:59 +01:00
parent 90dffec958
commit 2f39e44a84
3 changed files with 56 additions and 0 deletions
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1
stdio-common/Makefile
View File

@ -206,6 +206,7 @@ tests := \
tst-printf-bz25691 \
tst-printf-fp-free \
tst-printf-fp-leak \
tst-printf-oct \
tst-printf-round \
tst-printfsz \
tst-put-error \

49
stdio-common/tst-printf-oct.c Normal file
View File

@ -0,0 +1,49 @@
/* Test printf width padding with octal format
Copyright (C) 2023 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 <stdio.h>
#include <support/check.h>
#include <support/support.h>
static int
do_test (void)
{
char buf[80];
sprintf (buf, "%-7o", 123);
TEST_COMPARE_STRING (buf, "173 ");
sprintf (buf, "%#-7o", 123);
TEST_COMPARE_STRING (buf, "0173 ");
sprintf (buf, "%7o", 123);
TEST_COMPARE_STRING (buf, " 173");
sprintf (buf, "%#7o", 123);
TEST_COMPARE_STRING (buf, " 0173");
sprintf (buf, "%07o", 123);
TEST_COMPARE_STRING (buf, "0000173");
sprintf (buf, "%#07o", 123);
TEST_COMPARE_STRING (buf, "0000173");
return 0;
}
#include <support/test-driver.c>

6
stdio-common/vfprintf-process-arg.c
View File

@ -196,6 +196,9 @@ LABEL (unsigned_number): /* Unsigned number of base BASE. */
/* Account for 0X, 0x, 0B or 0b hex or binary marker. */
width -= 2;
if (octal_marker)
--width;
if (is_negative || showsign || space)
--width;
@ -257,6 +260,9 @@ LABEL (unsigned_number): /* Unsigned number of base BASE. */
width -= 2;
}
if (octal_marker)
--width;
width -= workend - string + prec;
Xprintf_buffer_pad (buf, L_('0'), prec);