From a5b0c4eb3360e22fa66af2c039c69a63c09df04d Mon Sep 17 00:00:00 2001
From: Japin Li <japinli@hotmail.com>
Date: Wed, 22 Jul 2026 11:55:36 +0800
Subject: [PATCH v2 1/2] Add a binary to test getopt_long()

---
 src/bin/Makefile                            |  1 +
 src/bin/getopt_long_test/Makefile           | 26 +++++++++++++++++++++
 src/bin/getopt_long_test/getopt_long_test.c | 25 ++++++++++++++++++++
 3 files changed, 52 insertions(+)
 create mode 100644 src/bin/getopt_long_test/Makefile
 create mode 100644 src/bin/getopt_long_test/getopt_long_test.c

diff --git a/src/bin/Makefile b/src/bin/Makefile
index 538af88a523..b25305f9db5 100644
--- a/src/bin/Makefile
+++ b/src/bin/Makefile
@@ -14,6 +14,7 @@ top_builddir = ../..
 include $(top_builddir)/src/Makefile.global
 
 SUBDIRS = \
+	getopt_long_test \
 	initdb \
 	pg_amcheck \
 	pg_archivecleanup \
diff --git a/src/bin/getopt_long_test/Makefile b/src/bin/getopt_long_test/Makefile
new file mode 100644
index 00000000000..f7de6ef872c
--- /dev/null
+++ b/src/bin/getopt_long_test/Makefile
@@ -0,0 +1,26 @@
+PGFILEDESC = "getopt_long_test - test PostgreSQL getopt_long() function"
+PGAPPICON = win32
+
+subdir = src/bin/getopt_long_test
+top_builddir = ../../..
+include $(top_builddir)/src/Makefile.global
+
+PG_CPPFLAGS += -I$(top_srcdir)/src/port
+
+OBJS = \
+	$(WIN32RES) \
+	getopt_long.o \
+	getopt_long_test.o
+
+all: getopt_long_test
+
+getopt_long_test: $(OBJS)
+	$(CC) $(CFLAGS) $(OBJS) $(LDFLAGS) $(LDFLAGS_EX) $(LIBS) -o $@$(X)
+
+getopt_long_test.o: getopt_long_test.c $(top_builddir)/src/Makefile.global
+
+getopt_long.c:
+	ln -s $(top_srcdir)/src/port/getopt_long.c .
+
+clean distclean:
+	rm -f getopt_long_test$(X) $(OBJS) getopt_long.c
diff --git a/src/bin/getopt_long_test/getopt_long_test.c b/src/bin/getopt_long_test/getopt_long_test.c
new file mode 100644
index 00000000000..4abd042bbaa
--- /dev/null
+++ b/src/bin/getopt_long_test/getopt_long_test.c
@@ -0,0 +1,25 @@
+
+#include "postgres.h"
+
+#include "getopt_long.h"
+
+int
+main(int argc, char **argv)
+{
+	int c;
+	const char		*shortopts = ":f:";
+	struct option	 longopts[] = {
+		{"log-filename", required_argument, NULL, 'f'},
+		{NULL, 0, NULL, 0},
+	};
+
+	while ((c = getopt_long(argc, argv, shortopts, longopts, NULL)) != -1)
+	{
+		if (c == ':')
+			fprintf(stderr, "option '%s' requires an argument\n", argv[optind - 1]);
+		else if (c == '?')
+			fprintf(stderr, "unrecognized option '%s'\n", argv[optind - 1]);
+	}
+
+	return 0;
+}
-- 
2.53.0