mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-09 04:11:27 +08:00
ee9946ce3c
The NULL check for an array on stack is pointless since it will always be false, so drop it.
136 lines
3.2 KiB
C
136 lines
3.2 KiB
C
/* Copyright (C) 2007-2020 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 <stdlib.h>
|
|
#include <string.h>
|
|
#include <wchar.h>
|
|
|
|
#if __GLIBC_USE_DEPRECATED_SCANF
|
|
# error "This file should not be compiled with deprecated scanf"
|
|
#endif
|
|
|
|
#define FAIL() \
|
|
do { \
|
|
result = 1; \
|
|
printf ("test at line %d failed\n", __LINE__); \
|
|
} while (0)
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
wchar_t *lsp;
|
|
char *sp;
|
|
float f;
|
|
double d;
|
|
char c[8];
|
|
int result = 0;
|
|
|
|
if (sscanf (" 0.25s x", "%e%3c", &f, c) != 2)
|
|
FAIL ();
|
|
else if (f != 0.25 || memcmp (c, "s x", 3) != 0)
|
|
FAIL ();
|
|
if (sscanf (" 1.25s x", "%ms%2c", &sp, c) != 2)
|
|
FAIL ();
|
|
else
|
|
{
|
|
if (strcmp (sp, "1.25s") != 0 || memcmp (c, " x", 2) != 0)
|
|
FAIL ();
|
|
memset (sp, 'x', sizeof "1.25s");
|
|
free (sp);
|
|
}
|
|
if (sscanf (" 2.25s x", "%las%2c", &d, c) != 2)
|
|
FAIL ();
|
|
else if (d != 2.25 || memcmp (c, " x", 2) != 0)
|
|
FAIL ();
|
|
if (sscanf (" 3.25S x", "%4mS%3c", &lsp, c) != 2)
|
|
FAIL ();
|
|
else
|
|
{
|
|
if (wcscmp (lsp, L"3.25") != 0 || memcmp (c, "S x", 3) != 0)
|
|
FAIL ();
|
|
memset (lsp, 'x', sizeof L"3.25");
|
|
free (lsp);
|
|
}
|
|
if (sscanf ("4.25[0-9.] x", "%m[0-9.]%8c", &sp, c) != 2)
|
|
FAIL ();
|
|
else
|
|
{
|
|
if (strcmp (sp, "4.25") != 0 || memcmp (c, "[0-9.] x", 8) != 0)
|
|
FAIL ();
|
|
memset (sp, 'x', sizeof "4.25");
|
|
free (sp);
|
|
}
|
|
if (sscanf ("5.25[0-9.] x", "%la[0-9.]%2c", &d, c) != 2)
|
|
FAIL ();
|
|
else if (d != 5.25 || memcmp (c, " x", 2) != 0)
|
|
FAIL ();
|
|
|
|
const char *tmpdir = getenv ("TMPDIR");
|
|
if (tmpdir == NULL || tmpdir[0] == '\0')
|
|
tmpdir = "/tmp";
|
|
|
|
char fname[strlen (tmpdir) + sizeof "/tst-scanf14.XXXXXX"];
|
|
sprintf (fname, "%s/tst-scanf14.XXXXXX", tmpdir);
|
|
|
|
/* Create a temporary file. */
|
|
int fd = mkstemp (fname);
|
|
if (fd == -1)
|
|
FAIL ();
|
|
|
|
FILE *fp = fdopen (fd, "w+");
|
|
if (fp == NULL)
|
|
FAIL ();
|
|
else
|
|
{
|
|
if (fputs (" 1.25s x", fp) == EOF)
|
|
FAIL ();
|
|
if (fseek (fp, 0, SEEK_SET) != 0)
|
|
FAIL ();
|
|
if (fscanf (fp, "%ms%2c", &sp, c) != 2)
|
|
FAIL ();
|
|
else
|
|
{
|
|
if (strcmp (sp, "1.25s") != 0 || memcmp (c, " x", 2) != 0)
|
|
FAIL ();
|
|
memset (sp, 'x', sizeof "1.25s");
|
|
free (sp);
|
|
}
|
|
|
|
if (freopen (fname, "r", stdin) == NULL)
|
|
FAIL ();
|
|
else
|
|
{
|
|
if (scanf ("%ms%2c", &sp, c) != 2)
|
|
FAIL ();
|
|
else
|
|
{
|
|
if (strcmp (sp, "1.25s") != 0 || memcmp (c, " x", 2) != 0)
|
|
FAIL ();
|
|
memset (sp, 'x', sizeof "1.25s");
|
|
free (sp);
|
|
}
|
|
}
|
|
|
|
fclose (fp);
|
|
}
|
|
|
|
remove (fname);
|
|
|
|
return result;
|
|
}
|