16 files changed, 345 insertions, 1 deletions
diff --git a/stdio-common/Makefile b/stdio-common/Makefile
index 71657e6..7352ebf 100644
--- a/stdio-common/Makefile
+++ b/stdio-common/Makefile
@@ -52,7 +52,7 @@ nonfmt-xprintf-stems := \
 xprintf-stems := $(sort $(fmt-xprintf-stems) $(nonfmt-xprintf-stems))
 
 # List of markers for scanf family function tests.
-xscanf-funcs := s f ss
+xscanf-funcs := s f ss v
 
 # List of data types and formats for individual per-conversion scanf tests.
 # Further conversions are provided by sysdeps.
diff --git a/stdio-common/tst-scanf-format-v-c.c b/stdio-common/tst-scanf-format-v-c.c
new file mode 100644
index 0000000..0e2c000
--- /dev/null
+++ b/stdio-common/tst-scanf-format-v-c.c
@@ -0,0 +1,22 @@
+/* Test for formatted 'vscanf' input for the character conversions.
+   Copyright (C) 2025 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 "tst-scanf-format-skeleton.h"
+#include "tst-scanf-format-v.h"
+#include "tst-scanf-format-character.h"
+#include "tst-scanf-format-skeleton-c.c"
diff --git a/stdio-common/tst-scanf-format-v-char.c b/stdio-common/tst-scanf-format-v-char.c
new file mode 100644
index 0000000..be3a56c
--- /dev/null
+++ b/stdio-common/tst-scanf-format-v-char.c
@@ -0,0 +1,22 @@
+/* Test for formatted 'vscanf' input for signed char conversions.
+   Copyright (C) 2025 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 "tst-scanf-format-skeleton.h"
+#include "tst-scanf-format-v.h"
+#include "tst-scanf-format-integer.h"
+#include "tst-scanf-format-skeleton-char.c"
diff --git a/stdio-common/tst-scanf-format-v-double.c b/stdio-common/tst-scanf-format-v-double.c
new file mode 100644
index 0000000..9188631
--- /dev/null
+++ b/stdio-common/tst-scanf-format-v-double.c
@@ -0,0 +1,22 @@
+/* Test for formatted 'vscanf' input for double conversions.
+   Copyright (C) 2025 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 "tst-scanf-format-skeleton.h"
+#include "tst-scanf-format-v.h"
+#include "tst-scanf-format-real.h"
+#include "tst-scanf-format-skeleton-double.c"
diff --git a/stdio-common/tst-scanf-format-v-float.c b/stdio-common/tst-scanf-format-v-float.c
new file mode 100644
index 0000000..5d289d3
--- /dev/null
+++ b/stdio-common/tst-scanf-format-v-float.c
@@ -0,0 +1,22 @@
+/* Test for formatted 'vscanf' input for float conversions.
+   Copyright (C) 2025 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 "tst-scanf-format-skeleton.h"
+#include "tst-scanf-format-v.h"
+#include "tst-scanf-format-real.h"
+#include "tst-scanf-format-skeleton-float.c"
diff --git a/stdio-common/tst-scanf-format-v-int.c b/stdio-common/tst-scanf-format-v-int.c
new file mode 100644
index 0000000..770a686
--- /dev/null
+++ b/stdio-common/tst-scanf-format-v-int.c
@@ -0,0 +1,22 @@
+/* Test for formatted 'vscanf' input for int conversions.
+   Copyright (C) 2025 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 "tst-scanf-format-skeleton.h"
+#include "tst-scanf-format-v.h"
+#include "tst-scanf-format-integer.h"
+#include "tst-scanf-format-skeleton-int.c"
diff --git a/stdio-common/tst-scanf-format-v-ldouble.c b/stdio-common/tst-scanf-format-v-ldouble.c
new file mode 100644
index 0000000..8215ea7
--- /dev/null
+++ b/stdio-common/tst-scanf-format-v-ldouble.c
@@ -0,0 +1,22 @@
+/* Test for formatted 'vscanf' input for long double conversions.
+   Copyright (C) 2025 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 "tst-scanf-format-skeleton.h"
+#include "tst-scanf-format-v.h"
+#include "tst-scanf-format-real.h"
+#include "tst-scanf-format-skeleton-ldouble.c"
diff --git a/stdio-common/tst-scanf-format-v-llong.c b/stdio-common/tst-scanf-format-v-llong.c
new file mode 100644
index 0000000..2a1ef02
--- /dev/null
+++ b/stdio-common/tst-scanf-format-v-llong.c
@@ -0,0 +1,22 @@
+/* Test for formatted 'vscanf' input for long long conversions.
+   Copyright (C) 2025 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 "tst-scanf-format-skeleton.h"
+#include "tst-scanf-format-v.h"
+#include "tst-scanf-format-integer.h"
+#include "tst-scanf-format-skeleton-llong.c"
diff --git a/stdio-common/tst-scanf-format-v-long.c b/stdio-common/tst-scanf-format-v-long.c
new file mode 100644
index 0000000..8376032
--- /dev/null
+++ b/stdio-common/tst-scanf-format-v-long.c
@@ -0,0 +1,22 @@
+/* Test for formatted 'vscanf' input for long conversions.
+   Copyright (C) 2025 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 "tst-scanf-format-skeleton.h"
+#include "tst-scanf-format-v.h"
+#include "tst-scanf-format-integer.h"
+#include "tst-scanf-format-skeleton-long.c"
diff --git a/stdio-common/tst-scanf-format-v-short.c b/stdio-common/tst-scanf-format-v-short.c
new file mode 100644
index 0000000..23b9c56
--- /dev/null
+++ b/stdio-common/tst-scanf-format-v-short.c
@@ -0,0 +1,22 @@
+/* Test for formatted 'vscanf' input for short int conversions.
+   Copyright (C) 2025 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 "tst-scanf-format-skeleton.h"
+#include "tst-scanf-format-v.h"
+#include "tst-scanf-format-integer.h"
+#include "tst-scanf-format-skeleton-short.c"
diff --git a/stdio-common/tst-scanf-format-v-uchar.c b/stdio-common/tst-scanf-format-v-uchar.c
new file mode 100644
index 0000000..861db22
--- /dev/null
+++ b/stdio-common/tst-scanf-format-v-uchar.c
@@ -0,0 +1,22 @@
+/* Test for formatted 'vscanf' input for unsigned char conversions.
+   Copyright (C) 2025 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 "tst-scanf-format-skeleton.h"
+#include "tst-scanf-format-v.h"
+#include "tst-scanf-format-integer.h"
+#include "tst-scanf-format-skeleton-uchar.c"
diff --git a/stdio-common/tst-scanf-format-v-uint.c b/stdio-common/tst-scanf-format-v-uint.c
new file mode 100644
index 0000000..30e58c5
--- /dev/null
+++ b/stdio-common/tst-scanf-format-v-uint.c
@@ -0,0 +1,22 @@
+/* Test for formatted 'vscanf' input for unsigned int conversions.
+   Copyright (C) 2025 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 "tst-scanf-format-skeleton.h"
+#include "tst-scanf-format-v.h"
+#include "tst-scanf-format-integer.h"
+#include "tst-scanf-format-skeleton-uint.c"
diff --git a/stdio-common/tst-scanf-format-v-ullong.c b/stdio-common/tst-scanf-format-v-ullong.c
new file mode 100644
index 0000000..ee2914d
--- /dev/null
+++ b/stdio-common/tst-scanf-format-v-ullong.c
@@ -0,0 +1,22 @@
+/* Test for formatted 'vscanf' input for unsigned long long int conversions.
+   Copyright (C) 2025 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 "tst-scanf-format-skeleton.h"
+#include "tst-scanf-format-v.h"
+#include "tst-scanf-format-integer.h"
+#include "tst-scanf-format-skeleton-ullong.c"
diff --git a/stdio-common/tst-scanf-format-v-ulong.c b/stdio-common/tst-scanf-format-v-ulong.c
new file mode 100644
index 0000000..f7864dd
--- /dev/null
+++ b/stdio-common/tst-scanf-format-v-ulong.c
@@ -0,0 +1,22 @@
+/* Test for formatted 'vscanf' input for unsigned long int conversions.
+   Copyright (C) 2025 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 "tst-scanf-format-skeleton.h"
+#include "tst-scanf-format-v.h"
+#include "tst-scanf-format-integer.h"
+#include "tst-scanf-format-skeleton-ulong.c"
diff --git a/stdio-common/tst-scanf-format-v-ushort.c b/stdio-common/tst-scanf-format-v-ushort.c
new file mode 100644
index 0000000..79ca16b
--- /dev/null
+++ b/stdio-common/tst-scanf-format-v-ushort.c
@@ -0,0 +1,22 @@
+/* Test for formatted 'vscanf' input for unsigned short int conversions.
+   Copyright (C) 2025 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 "tst-scanf-format-skeleton.h"
+#include "tst-scanf-format-v.h"
+#include "tst-scanf-format-integer.h"
+#include "tst-scanf-format-skeleton-ushort.c"
diff --git a/stdio-common/tst-scanf-format-v.h b/stdio-common/tst-scanf-format-v.h
new file mode 100644
index 0000000..bf19877
--- /dev/null
+++ b/stdio-common/tst-scanf-format-v.h
@@ -0,0 +1,36 @@
+/* Test feature wrapper for formatted 'vscanf' input.
+   Copyright (C) 2025 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 <stdarg.h>
+#include <stdio.h>
+
+static int
+scanf_under_test (const char *restrict fmt, ...)
+{
+  va_list ap;
+  int result;
+
+  va_start (ap, fmt);
+  result = vscanf (fmt, ap);
+  va_end (ap);
+  if (ferror (stdin))
+    result = INPUT_ERROR;
+  else if (result == EOF)
+    result = INPUT_EOF;
+  return result;
+}