[vala/tintou/posix-pathconf] posix: Add pathconf and fpathconf bindings

[Corentin Noël <corentinnoel src gnome org>]

commit d7f25351e02d2105702d3994d4a55e6ea457a86a
Author: Corentin Noël <corentin elementary io>
Date:   Tue Mar 17 12:19:22 2020 +0100

    posix: Add pathconf and fpathconf bindings
    
    Also bind the named constants to use them.

 vapi/posix.vapi | 125 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 125 insertions(+)
---
diff --git a/vapi/posix.vapi b/vapi/posix.vapi
index 63eab169e..d4c762983 100644
--- a/vapi/posix.vapi
+++ b/vapi/posix.vapi
@@ -2674,6 +2674,69 @@ namespace Posix {
        [CCode (cheader_filename = "unistd.h", feature_test_macro = "_GNU_SOURCE")]
        public int faccessat (int dirfd, string pathname, int mode, int flags);
 
+       /**
+        * Gets a value for the configuration option name for the open file
+        * descriptor fd.
+        */
+       [CCode (cheader_filename = "unistd.h")]
+       public long fpathconf (int fd, Posix.PathConfName name);
+
+       /**
+        * Gets a value for the configuration option name for the filename path.
+        */
+       [CCode (cheader_filename = "unistd.h")]
+       public long pathconf (string path, Posix.PathConfName name);
+
+       [CCode (cname = "int", cprefix = "_PC_", has_type_id = false, cheader_filename = "unistd.h")]
+       public enum PathConfName {
+               /**
+                * Returns the maximum number of links to the file. If fd or path refer
+                * to a directory, then the value applies to the whole directory.
+                */
+               LINK_MAX,
+               /**
+                * Returns the maximum length of a formatted input line, where fd or
+                * path must refer to a terminal.
+                */
+               MAX_CANON,
+               /**
+                * Returns the maximum length of an input line, where fd or path must
+                * refer to a terminal.
+                */
+               MAX_INPUT,
+               /**
+                * Returns the maximum length of a filename in the directory path or fd
+                * that the process is allowed to create.
+                */
+               NAME_MAX,
+               /**
+                * Returns the maximum length of a relative pathname when path or fd is
+                * the current working directory.
+                */
+               PATH_MAX,
+               /**
+                * Returns the size of the pipe buffer, where fd must refer to a pipe or
+                * FIFO and path must refer to a FIFO.
+                */
+               PIPE_BUF,
+               /**
+                * Returns nonzero if the chown call may not be used on this file. If fd
+                * or path refer to a directory, then this applies to all files in that
+                * directory.
+                */
+               CHOWN_RESTRICTED,
+               /**
+                * Returns nonzero if accessing filenames longer than
+                * #Posix.PathConfName.NAME_MAX generates an error.
+                */
+               NO_TRUNC,
+               /**
+                * Returns nonzero if special character processing can be disabled,
+                * where fd or path must refer to a terminal.
+                */
+               VDISABLE
+       }
+
        [CCode (cheader_filename = "unistd.h")]
        public uint alarm (uint seconds);
        [CCode (cheader_filename = "unistd.h")]
@@ -2745,6 +2808,68 @@ namespace Posix {
        [CCode (cheader_filename = "unistd.h")]
        public int nice (int inc);
 
+
+       [CCode (cheader_filename = "langinfo.h", cname = "nl_item", cprefix = "", has_type_id = false)]
+       public enum NLItem {
+               ABDAY_1,
+               ABDAY_2,
+               ABDAY_3,
+               ABDAY_4,
+               ABDAY_5,
+               ABDAY_6,
+               ABDAY_7,
+               DAY_1,
+               DAY_2,
+               DAY_3,
+               DAY_4,
+               DAY_5,
+               DAY_6,
+               DAY_7,
+               ABMON_1,
+               ABMON_2,
+               ABMON_3,
+               ABMON_4,
+               ABMON_5,
+               ABMON_6,
+               ABMON_7,
+               ABMON_8,
+               ABMON_9,
+               ABMON_10,
+               ABMON_11,
+               ABMON_12,
+               MON_1,
+               MON_2,
+               MON_3,
+               MON_4,
+               MON_5,
+               MON_6,
+               MON_7,
+               MON_8,
+               MON_9,
+               MON_10,
+               MON_11,
+               MON_12,
+               AM_STR,
+               PM_STR,
+               D_T_FMT,
+               D_FMT,
+               T_FMT,
+               T_FMT_AMPM,
+               ERA,
+               ERA_D_FMT,
+               ALT_DIGITS,
+               ERA_D_T_FMT,
+               ERA_T_FMT,
+               CODESET,
+               CRNCYSTR,
+               RADIXCHAR,
+               THOUSEP,
+               YESEXPR,
+               NOEXPR;
+               [CCode (cheader_filename = "langinfo.h", cname = "nl_langinfo")]
+               public unowned string to_string ();
+       }
+
        [SimpleType]
        [CCode (cname = "cc_t", cheader_filename = "termios.h", has_type_id = false)]
        [IntegerType (rank = 3, min = 0, max = 255)]