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-rw-r--r--stdio-common/Makefile14
-rw-r--r--stdio-common/bug21.c11
-rw-r--r--stdio-common/fscanf.c5
-rw-r--r--stdio-common/isoc99_sscanf.c1
-rw-r--r--stdio-common/scanf.c5
-rw-r--r--stdio-common/scanf14.c52
-rw-r--r--stdio-common/scanf14a.c143
-rw-r--r--stdio-common/scanf15.c31
-rw-r--r--stdio-common/scanf16.c37
-rw-r--r--stdio-common/scanf16a.c173
-rw-r--r--stdio-common/scanf17.c31
-rw-r--r--stdio-common/sscanf.c6
-rw-r--r--stdio-common/vfscanf.c5
-rw-r--r--stdio-common/vfwscanf.c5
14 files changed, 447 insertions, 72 deletions
diff --git a/stdio-common/Makefile b/stdio-common/Makefile
index 11556f2..c38299c 100644
--- a/stdio-common/Makefile
+++ b/stdio-common/Makefile
@@ -65,6 +65,8 @@ tests := tstscanf test_rdwr test-popen tstgetln test-fseek \
tst-vfprintf-mbs-prec \
tst-scanf-round \
tst-renameat2 tst-bz11319 tst-bz11319-fortify2 \
+ scanf14a scanf16a \
+
test-srcs = tst-unbputc tst-printf tst-printfsz-islongdouble
@@ -146,13 +148,11 @@ CFLAGS-isoc99_scanf.c += -fexceptions
CFLAGS-errlist.c += $(fno-unit-at-a-time)
CFLAGS-siglist.c += $(fno-unit-at-a-time)
-# The following is a hack since we must compile scanf1{5,7}.c without any
-# GNU extension. The latter are needed, though, when internal headers
-# are used. So made sure we see the installed headers first.
-CFLAGS-scanf15.c += -I../libio -I../stdlib -I../wcsmbs -I../time -I../string \
- -I../wctype
-CFLAGS-scanf17.c += -I../libio -I../stdlib -I../wcsmbs -I../time -I../string \
- -I../wctype
+# scanf14a.c and scanf16a.c test a deprecated extension which is no
+# longer visible under most conformance levels; see the source files
+# for more detail.
+CFLAGS-scanf14a.c += -std=gnu89
+CFLAGS-scanf16a.c += -std=gnu89
CFLAGS-bug3.c += -DOBJPFX=\"$(objpfx)\"
CFLAGS-bug4.c += -DOBJPFX=\"$(objpfx)\"
diff --git a/stdio-common/bug21.c b/stdio-common/bug21.c
index 7a8c6a3..1f06c0d 100644
--- a/stdio-common/bug21.c
+++ b/stdio-common/bug21.c
@@ -1,5 +1,4 @@
#include <stdio.h>
-#include <libc-diag.h>
static int
do_test (void)
@@ -7,15 +6,7 @@ do_test (void)
static const char buf[] = " ";
char *str;
- /* GCC in C99 mode treats %a as the C99 format expecting float *,
- but glibc with _GNU_SOURCE treats %as as the GNU allocation
- extension, so resulting in "warning: format '%a' expects argument
- of type 'float *', but argument 3 has type 'char **'". This
- applies to the other %as, %aS and %a[] formats below as well. */
- DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat");
- int r = sscanf (buf, "%as", &str);
- DIAG_POP_NEEDS_COMMENT;
+ int r = sscanf (buf, "%ms", &str);
printf ("%d %p\n", r, str);
return r != -1 || str != NULL;
diff --git a/stdio-common/fscanf.c b/stdio-common/fscanf.c
index 4b8b26a..a210eaf 100644
--- a/stdio-common/fscanf.c
+++ b/stdio-common/fscanf.c
@@ -15,6 +15,11 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+/* This file defines one of the deprecated scanf variants. */
+#include <features.h>
+#undef __GLIBC_USE_DEPRECATED_SCANF
+#define __GLIBC_USE_DEPRECATED_SCANF 1
+
#include <libioP.h>
#include <stdarg.h>
#include <stdio.h>
diff --git a/stdio-common/isoc99_sscanf.c b/stdio-common/isoc99_sscanf.c
index a6bfc66..a70c0c3 100644
--- a/stdio-common/isoc99_sscanf.c
+++ b/stdio-common/isoc99_sscanf.c
@@ -33,3 +33,4 @@ __isoc99_sscanf (const char *s, const char *format, ...)
return done;
}
+libc_hidden_def (__isoc99_sscanf)
diff --git a/stdio-common/scanf.c b/stdio-common/scanf.c
index 1b69a65..9008d2b 100644
--- a/stdio-common/scanf.c
+++ b/stdio-common/scanf.c
@@ -15,6 +15,11 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+/* This file defines one of the deprecated scanf variants. */
+#include <features.h>
+#undef __GLIBC_USE_DEPRECATED_SCANF
+#define __GLIBC_USE_DEPRECATED_SCANF 1
+
#include <stdarg.h>
#include <stdio.h>
diff --git a/stdio-common/scanf14.c b/stdio-common/scanf14.c
index 2bcd9c9..8b271ae 100644
--- a/stdio-common/scanf14.c
+++ b/stdio-common/scanf14.c
@@ -1,8 +1,28 @@
+/* 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/>. */
+
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wchar.h>
-#include <libc-diag.h>
+
+#if __GLIBC_USE_DEPRECATED_SCANF
+# error "This file should not be compiled with deprecated scanf"
+#endif
#define FAIL() \
do { \
@@ -24,14 +44,7 @@ main (void)
FAIL ();
else if (f != 0.25 || memcmp (c, "s x", 3) != 0)
FAIL ();
- /* GCC in C99 mode treats %a as the C99 format expecting float *,
- but glibc with _GNU_SOURCE treats %as as the GNU allocation
- extension, so resulting in "warning: format '%a' expects argument
- of type 'float *', but argument 3 has type 'char **'". This
- applies to the other %as, %aS and %a[] formats below as well. */
- DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat");
- if (sscanf (" 1.25s x", "%as%2c", &sp, c) != 2)
+ if (sscanf (" 1.25s x", "%ms%2c", &sp, c) != 2)
FAIL ();
else
{
@@ -40,15 +53,11 @@ main (void)
memset (sp, 'x', sizeof "1.25s");
free (sp);
}
- DIAG_POP_NEEDS_COMMENT;
if (sscanf (" 2.25s x", "%las%2c", &d, c) != 2)
FAIL ();
else if (d != 2.25 || memcmp (c, " x", 2) != 0)
FAIL ();
- /* See explanation above. */
- DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat");
- if (sscanf (" 3.25S x", "%4aS%3c", &lsp, c) != 2)
+ if (sscanf (" 3.25S x", "%4mS%3c", &lsp, c) != 2)
FAIL ();
else
{
@@ -57,7 +66,7 @@ main (void)
memset (lsp, 'x', sizeof L"3.25");
free (lsp);
}
- if (sscanf ("4.25[0-9.] x", "%a[0-9.]%8c", &sp, c) != 2)
+ if (sscanf ("4.25[0-9.] x", "%m[0-9.]%8c", &sp, c) != 2)
FAIL ();
else
{
@@ -66,7 +75,6 @@ main (void)
memset (sp, 'x', sizeof "4.25");
free (sp);
}
- DIAG_POP_NEEDS_COMMENT;
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)
@@ -95,10 +103,7 @@ main (void)
FAIL ();
if (fseek (fp, 0, SEEK_SET) != 0)
FAIL ();
- /* See explanation above. */
- DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat");
- if (fscanf (fp, "%as%2c", &sp, c) != 2)
+ if (fscanf (fp, "%ms%2c", &sp, c) != 2)
FAIL ();
else
{
@@ -107,16 +112,12 @@ main (void)
memset (sp, 'x', sizeof "1.25s");
free (sp);
}
- DIAG_POP_NEEDS_COMMENT;
if (freopen (fname, "r", stdin) == NULL)
FAIL ();
else
{
- /* See explanation above. */
- DIAG_PUSH_NEEDS_COMMENT;
- DIAG_IGNORE_NEEDS_COMMENT (4.9, "-Wformat");
- if (scanf ("%as%2c", &sp, c) != 2)
+ if (scanf ("%ms%2c", &sp, c) != 2)
FAIL ();
else
{
@@ -125,7 +126,6 @@ main (void)
memset (sp, 'x', sizeof "1.25s");
free (sp);
}
- DIAG_POP_NEEDS_COMMENT;
}
fclose (fp);
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;
+}
diff --git a/stdio-common/scanf15.c b/stdio-common/scanf15.c
index a3ab15d..e658e42 100644
--- a/stdio-common/scanf15.c
+++ b/stdio-common/scanf15.c
@@ -1,18 +1,29 @@
-#undef _GNU_SOURCE
-#define _XOPEN_SOURCE 600
-#undef _LIBC
-#undef _IO_MTSAFE_IO
-/* The following macro definitions are a hack. They word around disabling
- the GNU extension while still using a few internal headers. */
-#define u_char unsigned char
-#define u_short unsigned short
-#define u_int unsigned int
-#define u_long unsigned long
+/* 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/>. */
+
#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; \
diff --git a/stdio-common/scanf16.c b/stdio-common/scanf16.c
index 3e3cb41..6e6f644 100644
--- a/stdio-common/scanf16.c
+++ b/stdio-common/scanf16.c
@@ -1,16 +1,37 @@
+/* Copyright (C) 2008-2019 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/>. */
+
#include <stdarg.h>
#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)
-static int
+static int __attribute__ ((format (scanf, 2, 3)))
xsscanf (const char *str, const char *fmt, ...)
{
va_list ap;
@@ -20,7 +41,7 @@ xsscanf (const char *str, const char *fmt, ...)
return ret;
}
-static int
+static int __attribute__ ((format (scanf, 1, 2)))
xscanf (const char *fmt, ...)
{
va_list ap;
@@ -30,7 +51,7 @@ xscanf (const char *fmt, ...)
return ret;
}
-static int
+static int __attribute__ ((format (scanf, 2, 3)))
xfscanf (FILE *f, const char *fmt, ...)
{
va_list ap;
@@ -54,7 +75,7 @@ main (void)
FAIL ();
else if (f != 0.25 || memcmp (c, "s x", 3) != 0)
FAIL ();
- if (xsscanf (" 1.25s x", "%as%2c", &sp, c) != 2)
+ if (xsscanf (" 1.25s x", "%ms%2c", &sp, c) != 2)
FAIL ();
else
{
@@ -67,7 +88,7 @@ main (void)
FAIL ();
else if (d != 2.25 || memcmp (c, " x", 2) != 0)
FAIL ();
- if (xsscanf (" 3.25S x", "%4aS%3c", &lsp, c) != 2)
+ if (xsscanf (" 3.25S x", "%4mS%3c", &lsp, c) != 2)
FAIL ();
else
{
@@ -76,7 +97,7 @@ main (void)
memset (lsp, 'x', sizeof L"3.25");
free (lsp);
}
- if (xsscanf ("4.25[0-9.] x", "%a[0-9.]%8c", &sp, c) != 2)
+ if (xsscanf ("4.25[0-9.] x", "%m[0-9.]%8c", &sp, c) != 2)
FAIL ();
else
{
@@ -113,7 +134,7 @@ main (void)
FAIL ();
if (fseek (fp, 0, SEEK_SET) != 0)
FAIL ();
- if (xfscanf (fp, "%as%2c", &sp, c) != 2)
+ if (xfscanf (fp, "%ms%2c", &sp, c) != 2)
FAIL ();
else
{
@@ -127,7 +148,7 @@ main (void)
FAIL ();
else
{
- if (xscanf ("%as%2c", &sp, c) != 2)
+ if (xscanf ("%ms%2c", &sp, c) != 2)
FAIL ();
else
{
diff --git a/stdio-common/scanf16a.c b/stdio-common/scanf16a.c
new file mode 100644
index 0000000..09dc658
--- /dev/null
+++ b/stdio-common/scanf16a.c
@@ -0,0 +1,173 @@
+/* Copyright (C) 2008-2019 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 <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;
+}
diff --git a/stdio-common/scanf17.c b/stdio-common/scanf17.c
index b6c0e63..c17c1da 100644
--- a/stdio-common/scanf17.c
+++ b/stdio-common/scanf17.c
@@ -1,19 +1,30 @@
-#undef _GNU_SOURCE
-#define _XOPEN_SOURCE 600
-#undef _LIBC
-#undef _IO_MTSAFE_IO
-/* The following macro definitions are a hack. They word around disabling
- the GNU extension while still using a few internal headers. */
-#define u_char unsigned char
-#define u_short unsigned short
-#define u_int unsigned int
-#define u_long unsigned long
+/* Copyright (C) 2008-2019 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/>. */
+
#include <stdarg.h>
#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; \
diff --git a/stdio-common/sscanf.c b/stdio-common/sscanf.c
index a630fba..59caf8d 100644
--- a/stdio-common/sscanf.c
+++ b/stdio-common/sscanf.c
@@ -15,6 +15,11 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+/* This file defines one of the deprecated scanf variants. */
+#include <features.h>
+#undef __GLIBC_USE_DEPRECATED_SCANF
+#define __GLIBC_USE_DEPRECATED_SCANF 1
+
#include <stdarg.h>
#include <libio/strfile.h>
@@ -34,6 +39,5 @@ __sscanf (const char *s, const char *format, ...)
return done;
}
-ldbl_hidden_def (__sscanf, sscanf)
ldbl_strong_alias (__sscanf, sscanf)
ldbl_strong_alias (__sscanf, _IO_sscanf)
diff --git a/stdio-common/vfscanf.c b/stdio-common/vfscanf.c
index f479909..b1ef0fc 100644
--- a/stdio-common/vfscanf.c
+++ b/stdio-common/vfscanf.c
@@ -15,6 +15,11 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+/* This file defines one of the deprecated scanf variants. */
+#include <features.h>
+#undef __GLIBC_USE_DEPRECATED_SCANF
+#define __GLIBC_USE_DEPRECATED_SCANF 1
+
#include <libioP.h>
int
diff --git a/stdio-common/vfwscanf.c b/stdio-common/vfwscanf.c
index f8cfd81..e75aafe 100644
--- a/stdio-common/vfwscanf.c
+++ b/stdio-common/vfwscanf.c
@@ -16,6 +16,11 @@
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
+/* This file defines one of the deprecated scanf variants. */
+#include <features.h>
+#undef __GLIBC_USE_DEPRECATED_SCANF
+#define __GLIBC_USE_DEPRECATED_SCANF 1
+
#include <libioP.h>
int
generated by cgit v1.1 at 2024-12-24 15:28:14 +0000