From 1ea6a5c1487a38a0bb04227a57573021caeee41f Mon Sep 17 00:00:00 2001
From: David Carlier <devnexen@gmail.com>
Date: Sat, 7 Jan 2023 08:34:56 +0000
Subject: [PATCH] posix adding posix_fpathconf.

follow-up on GH-10238 but with the file descriptor flavor.
---
 ext/posix/posix.c                    | 32 ++++++++++++++++++++++++++++
 ext/posix/posix.stub.php             |  2 ++
 ext/posix/posix_arginfo.h            |  9 +++++++-
 ext/posix/tests/posix_fpathconf.phpt | 22 +++++++++++++++++++
 4 files changed, 64 insertions(+), 1 deletion(-)
 create mode 100644 ext/posix/tests/posix_fpathconf.phpt

diff --git a/ext/posix/posix.c b/ext/posix/posix.c
index f521fffb2b66..295a60a32cd1 100644
--- a/ext/posix/posix.c
+++ b/ext/posix/posix.c
@@ -1225,3 +1225,35 @@ PHP_FUNCTION(posix_pathconf)
 
 	RETURN_LONG(ret);
 }
+
+PHP_FUNCTION(posix_fpathconf)
+{
+	zend_long name, ret, fd;
+	zval *z_fd;
+
+	ZEND_PARSE_PARAMETERS_START(2, 2)
+		Z_PARAM_ZVAL(z_fd)
+		Z_PARAM_LONG(name);
+	ZEND_PARSE_PARAMETERS_END();
+
+	if (Z_TYPE_P(z_fd) == IS_RESOURCE) {
+		if (!php_posix_stream_get_fd(z_fd, &fd)) {
+			RETURN_FALSE;
+		}
+	} else {
+		if (!zend_parse_arg_long(z_fd, &fd, /* is_null */ false, /* check_null */ false, /* arg_num */ 1)) {
+			zend_argument_type_error(1, "must be of type int|resource, %s given",
+				zend_zval_type_name(z_fd));
+			RETURN_THROWS();
+		}
+	}
+
+	ret = fpathconf(fd, name);
+
+	if (ret < 0 && errno != 0) {
+		POSIX_G(last_error) = errno;
+		RETURN_FALSE;
+	}
+
+	RETURN_LONG(ret);
+}
diff --git a/ext/posix/posix.stub.php b/ext/posix/posix.stub.php
index 94caf3cc261e..16f19e91490e 100644
--- a/ext/posix/posix.stub.php
+++ b/ext/posix/posix.stub.php
@@ -429,3 +429,5 @@ function posix_initgroups(string $username, int $group_id): bool {}
 function posix_sysconf(int $conf_id): int {}
 
 function posix_pathconf(string $path, int $name): int|false {}
+/** @param resource|int $file_descriptor */
+function posix_fpathconf($file_descriptor, int $name): int|false {}
diff --git a/ext/posix/posix_arginfo.h b/ext/posix/posix_arginfo.h
index 6bbf4ca25dce..74bc0021676c 100644
--- a/ext/posix/posix_arginfo.h
+++ b/ext/posix/posix_arginfo.h
@@ -1,5 +1,5 @@
 /* This is a generated file, edit the .stub.php file instead.
- * Stub hash: 68daa5f0b270b307501a785ca6a197ea161a2ded */
+ * Stub hash: b0c74c2ad41d4ae6a624f73109815fc9fe47fd1f */
 
 ZEND_BEGIN_ARG_WITH_RETURN_TYPE_INFO_EX(arginfo_posix_kill, 0, 2, _IS_BOOL, 0)
 	ZEND_ARG_TYPE_INFO(0, process_id, IS_LONG, 0)
@@ -169,6 +169,11 @@ ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(arginfo_posix_pathconf, 0, 2, MAY_BE_LON
 	ZEND_ARG_TYPE_INFO(0, name, IS_LONG, 0)
 ZEND_END_ARG_INFO()
 
+ZEND_BEGIN_ARG_WITH_RETURN_TYPE_MASK_EX(arginfo_posix_fpathconf, 0, 2, MAY_BE_LONG|MAY_BE_FALSE)
+	ZEND_ARG_INFO(0, file_descriptor)
+	ZEND_ARG_TYPE_INFO(0, name, IS_LONG, 0)
+ZEND_END_ARG_INFO()
+
 
 ZEND_FUNCTION(posix_kill);
 ZEND_FUNCTION(posix_getpid);
@@ -234,6 +239,7 @@ ZEND_FUNCTION(posix_initgroups);
 #endif
 ZEND_FUNCTION(posix_sysconf);
 ZEND_FUNCTION(posix_pathconf);
+ZEND_FUNCTION(posix_fpathconf);
 
 
 static const zend_function_entry ext_functions[] = {
@@ -302,6 +308,7 @@ static const zend_function_entry ext_functions[] = {
 #endif
 	ZEND_FE(posix_sysconf, arginfo_posix_sysconf)
 	ZEND_FE(posix_pathconf, arginfo_posix_pathconf)
+	ZEND_FE(posix_fpathconf, arginfo_posix_fpathconf)
 	ZEND_FE_END
 };
 
diff --git a/ext/posix/tests/posix_fpathconf.phpt b/ext/posix/tests/posix_fpathconf.phpt
new file mode 100644
index 000000000000..a809066e7822
--- /dev/null
+++ b/ext/posix/tests/posix_fpathconf.phpt
@@ -0,0 +1,22 @@
+--TEST--
+Test posix_fpathconf
+--EXTENSIONS--
+posix
+--FILE--
+<?php
+var_dump(posix_fpathconf(-1, POSIX_PC_PATH_MAX));
+var_dump(posix_errno() != 0);
+try {
+	posix_fpathconf("string arg", POSIX_PC_PATH_MAX);
+} catch (\TypeError $e) {
+	echo $e->getMessage() . "\n";
+}
+$fd = fopen(sys_get_temp_dir(), "r");
+var_dump(posix_fpathconf($fd, POSIX_PC_PATH_MAX));
+fclose($fd);
+?>
+--EXPECTF--
+bool(false)
+bool(true)
+posix_fpathconf(): Argument #1 ($file_descriptor) must be of type int|resource, string given
+int(%d)