utils-std

commit: 0e24d6f2175ad96c38899ae8910e877bd1527b1f
parent b59a513ae6363a380f46fcab7360cbe29be71b9e
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date:   Fri, 25 Jul 2025 04:38:53 +0200

cmd/touch: add support for long options

Diffstat:
M
cmd/touch.c
20
++++++++++++++++++++

1 file changed, 20 insertions(+), 0 deletions(-)
diff --git a/cmd/touch.c b/cmd/touch.c
@@ -6,6 +6,7 @@
 #define _XOPEN_SOURCE 700       // strptime (NetBSD)
 #define _POSIX_C_SOURCE 200809L // O_NOFOLLOW, st_atim/st_mtim
 
+#include "../config.h"
 #include "../lib/bitmasks.h"            /* FIELD_* */
 #include "../libutils/datetime_parse.h" /* datetime_parse */
 #include "../libutils/getopt_nolong.h"
@@ -19,6 +20,9 @@
 #include <sys/stat.h> /* futimens, stat, utimensat */
 #include <time.h>     /* mktime */
 #include <unistd.h>   /* getopt, opt*, close */
+#ifdef HAS_GETOPT_LONG
+#include <getopt.h>
+#endif
 
 const char *argv0 = "touch";
 
@@ -126,7 +130,23 @@ main(int argc, char *argv[])
 	int open_flags = O_WRONLY | O_CREAT | O_NOCTTY;
 	int utimensat_flags = 0;
 
+#ifdef HAS_GETOPT_LONG
+	// Strictly for GNUisms compatibility so no long-only options
+	// clang-format off
+	static struct option opts[] = {
+		{"no-create", no_argument, NULL, 'c'},
+		{"date", required_argument, NULL, 'd'},
+		{"no-dereference", no_argument, NULL, 'h'},
+		{"reference", required_argument, NULL, 'r'},
+		{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, "+:acfhmr:t:d:", opts, NULL)) != -1;)
+#else
 	for(int c = -1; (c = getopt_nolong(argc, argv, ":acfhmr:t:d:")) != -1;)
+#endif
 	{
 		const char *errstr = NULL;