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-rw-r--r--stdio-common/scanf14a.c143
1 files changed, 143 insertions, 0 deletions
diff --git a/stdio-common/scanf14a.c b/stdio-common/scanf14a.c
new file mode 100644
index 0000000..5f95ecb
--- /dev/null
+++ b/stdio-common/scanf14a.c
@@ -0,0 +1,143 @@
+/* Copyright (C) 2007-2019 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
+ <http://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 <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)
+
+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", "%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 (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", "%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 (sscanf ("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 (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);
+ 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 (fscanf (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 (scanf ("%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;
+}