utils-std

commit: 0178310640f9a9744669523772b6c107074e7fa1
parent adf2daed82463c9c46aa7ce4ee1123dbe4b53ddd
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date:   Fri, 25 Jul 2025 04:48:02 +0200

cmd/truncate: add support for long options

Diffstat:
M
cmd/truncate.c
19
+++++++++++++++++++

1 file changed, 19 insertions(+), 0 deletions(-)
diff --git a/cmd/truncate.c b/cmd/truncate.c
@@ -4,6 +4,7 @@
 
 #define _POSIX_C_SOURCE 200809L
 
+#include "../config.h"
 #include "../lib/bitmasks.h" // FIELD_CLR
 #include "../libutils/getopt_nolong.h"
 #include "../libutils/truncation.h" // parse_size
@@ -16,6 +17,9 @@
 #include <string.h> // strerror
 #include <sys/stat.h>
 #include <unistd.h> // getopt
+#ifdef HAS_GETOPT_LONG
+#include <getopt.h>
+#endif
 
 const char *argv0 = "truncate";
 
@@ -37,7 +41,22 @@ main(int argc, char *argv[])
 	};
 	char *ref_file = NULL;
 
+#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'},
+		{"reference", required_argument, NULL, 'r'},
+		{"size", required_argument, NULL, 's'},
+		{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, "+:cr:s:", opts, NULL)) != -1;)
+#else
 	for(int c = -1; (c = getopt_nolong(argc, argv, ":cr:s:")) != -1;)
+#endif
 	{
 		switch(c)
 		{