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/* Copyright (C) 2008-2020 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/>. */
/* This test exercises the deprecated GNU %as, %aS, and %a[...] scanf
modifiers, which are not available to programs compiled as C99
anymore; therefore, this file is compiled with -std=gnu89 and C99
syntax must not be used. */
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
#if !__GLIBC_USE_DEPRECATED_SCANF
# error "This file should be compiled with deprecated scanf"
#endif
#define FAIL() \
do { \
result = 1; \
printf ("test at line %d failed\n", __LINE__); \
} while (0)
static int __attribute__ ((format (scanf, 2, 3)))
xsscanf (const char *str, const char *fmt, ...)
{
va_list ap;
va_start (ap, fmt);
int ret = vsscanf (str, fmt, ap);
va_end (ap);
return ret;
}
static int __attribute__ ((format (scanf, 1, 2)))
xscanf (const char *fmt, ...)
{
va_list ap;
va_start (ap, fmt);
int ret = vscanf (fmt, ap);
va_end (ap);
return ret;
}
static int __attribute__ ((format (scanf, 2, 3)))
xfscanf (FILE *f, const char *fmt, ...)
{
va_list ap;
va_start (ap, fmt);
int ret = vfscanf (f, fmt, ap);
va_end (ap);
return ret;
}
int
main (void)
{
wchar_t *lsp;
char *sp;
float f;
double d;
char c[8];
int result = 0;
if (xsscanf (" 0.25s x", "%e%3c", &f, c) != 2)
FAIL ();
else if (f != 0.25 || memcmp (c, "s x", 3) != 0)
FAIL ();
if (xsscanf (" 1.25s x", "%as%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 (xsscanf (" 2.25s x", "%las%2c", &d, c) != 2)
FAIL ();
else if (d != 2.25 || memcmp (c, " x", 2) != 0)
FAIL ();
if (xsscanf (" 3.25S x", "%4aS%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 (xsscanf ("4.25[0-9.] x", "%a[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 (xsscanf ("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-scanf16.XXXXXX"];
sprintf (fname, "%s/tst-scanf16.XXXXXX", tmpdir);
if (fname == NULL)
FAIL ();
/* 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 (xfscanf (fp, "%as%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 (xscanf ("%as%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;
}
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