utils-std

commit: ffcd08e7834f1fe635ce8caec6481f9c8656a9f3
parent a7c8206ff7ca98fc956e2d6763f6cbcbb8bbe070
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date:   Fri, 25 Jul 2025 04:28:35 +0200

cmd/sync: add support for long options

Diffstat:
M
cmd/sync.c
17
+++++++++++++++++

1 file changed, 17 insertions(+), 0 deletions(-)
diff --git a/cmd/sync.c b/cmd/sync.c
@@ -16,6 +16,9 @@
 #include <stdlib.h> // abort
 #include <string.h> // strerror
 #include <unistd.h> // fsync, sync, getopt, syncfs
+#ifdef HAS_GETOPT_LONG
+#include <getopt.h>
+#endif
 
 const char *argv0 = "sync";
 
@@ -25,7 +28,21 @@ main(int argc, char *argv[])
 	int err = 0;
 	int (*sync_func)(int) = fsync;
 
+#ifdef HAS_GETOPT_LONG
+	// Strictly for GNUisms compatibility so no long-only options
+	// clang-format off
+	static struct option opts[] = {
+		{"data", no_argument, NULL, 'd'},
+		{"file-system", no_argument, NULL, 'f'},
+		{0, 0, 0, 0},
+	};
+	// clang-format on
+
+	// Need + as first character to get POSIX-style option parsing
+	for(int c = -1; (c = getopt_long(argc, argv, "+:df", opts, NULL)) != -1;)
+#else
 	for(int c = -1; (c = getopt_nolong(argc, argv, ":df")) != -1;)
+#endif
 	{
 		switch(c)
 		{