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ee9946ce3c
The NULL check for an array on stack is pointless since it will always be false, so drop it.
140 lines
3.2 KiB
C
140 lines
3.2 KiB
C
/* Copyright (C) 2008-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <wchar.h>
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#if __GLIBC_USE_DEPRECATED_SCANF
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# error "This file should not be compiled with deprecated scanf"
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#endif
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#define FAIL() \
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do { \
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result = 1; \
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printf ("test at line %d failed\n", __LINE__); \
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} while (0)
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static int
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xsscanf (const char *str, const char *fmt, ...)
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{
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va_list ap;
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va_start (ap, fmt);
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int ret = vsscanf (str, fmt, ap);
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va_end (ap);
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return ret;
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}
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static int
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xscanf (const char *fmt, ...)
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{
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va_list ap;
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va_start (ap, fmt);
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int ret = vscanf (fmt, ap);
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va_end (ap);
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return ret;
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}
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static int
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xfscanf (FILE *f, const char *fmt, ...)
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{
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va_list ap;
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va_start (ap, fmt);
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int ret = vfscanf (f, fmt, ap);
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va_end (ap);
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return ret;
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}
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int
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main (void)
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{
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float f;
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double d;
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char c[8];
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int result = 0;
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if (xsscanf (" 0.25s x", "%e%3c", &f, c) != 2)
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FAIL ();
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else if (f != 0.25 || memcmp (c, "s x", 3) != 0)
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FAIL ();
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if (xsscanf (" 1.25s x", "%as%2c", &f, c) != 2)
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FAIL ();
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else if (f != 1.25 || memcmp (c, " x", 2) != 0)
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FAIL ();
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if (xsscanf (" 2.25s x", "%las%2c", &d, c) != 2)
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FAIL ();
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else if (d != 2.25 || memcmp (c, " x", 2) != 0)
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FAIL ();
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if (xsscanf (" 3.25S x", "%4aS%2c", &f, c) != 2)
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FAIL ();
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else if (f != 3.25 || memcmp (c, " x", 2) != 0)
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FAIL ();
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if (xsscanf (" 4.25[0-9.] x", "%a[0-9.]%2c", &f, c) != 2)
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FAIL ();
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else if (f != 4.25 || memcmp (c, " x", 2) != 0)
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FAIL ();
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if (xsscanf (" 5.25[0-9.] x", "%la[0-9.]%2c", &d, c) != 2)
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FAIL ();
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else if (d != 5.25 || memcmp (c, " x", 2) != 0)
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FAIL ();
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const char *tmpdir = getenv ("TMPDIR");
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if (tmpdir == NULL || tmpdir[0] == '\0')
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tmpdir = "/tmp";
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char fname[strlen (tmpdir) + sizeof "/tst-scanf17.XXXXXX"];
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sprintf (fname, "%s/tst-scanf17.XXXXXX", tmpdir);
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/* Create a temporary file. */
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int fd = mkstemp (fname);
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if (fd == -1)
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FAIL ();
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FILE *fp = fdopen (fd, "w+");
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if (fp == NULL)
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FAIL ();
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else
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{
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if (fputs (" 1.25s x", fp) == EOF)
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FAIL ();
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if (fseek (fp, 0, SEEK_SET) != 0)
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FAIL ();
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if (xfscanf (fp, "%as%2c", &f, c) != 2)
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FAIL ();
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else if (f != 1.25 || memcmp (c, " x", 2) != 0)
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FAIL ();
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if (freopen (fname, "r", stdin) == NULL)
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FAIL ();
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else
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{
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if (xscanf ("%as%2c", &f, c) != 2)
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FAIL ();
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else if (f != 1.25 || memcmp (c, " x", 2) != 0)
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FAIL ();
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}
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fclose (fp);
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}
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remove (fname);
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return result;
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}
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