utils-std

commit: c4bdb59e7aa11fa552b117a30f8f6cec15cc4005
parent c792c0b615b830983b56bc8c2cc8245dc976c1fa
Author: Haelwenn (lanodan) Monnier <contact@hacktivis.me>
Date:   Fri, 25 Jul 2025 04:13:24 +0200

cmd/seq: add support for long options

Diffstat:
M
cmd/seq.c
18
++++++++++++++++++

1 file changed, 18 insertions(+), 0 deletions(-)
diff --git a/cmd/seq.c b/cmd/seq.c
@@ -3,6 +3,7 @@
 // SPDX-License-Identifier: MPL-2.0
 
 #define _POSIX_C_SOURCE 200809L
+#include "../config.h"
 #include "../libutils/getopt_nolong.h"
 
 #include <ctype.h>   // isdigit
@@ -13,6 +14,9 @@
 #include <stdlib.h>  // exit, strtod
 #include <string.h>  // strerror
 #include <unistd.h>  // getopt, optarg, optind
+#ifdef HAS_GETOPT_LONG
+#include <getopt.h>
+#endif
 
 const char *argv0 = "seq";
 const char *sep = "\n";
@@ -81,7 +85,21 @@ usage(void)
 int
 main(int argc, char *argv[])
 {
+#ifdef HAS_GETOPT_LONG
+	// Strictly for GNUisms compatibility so no long-only options
+	// clang-format off
+	static struct option opts[] = {
+		{"equal-width", no_argument, NULL, 'w'},
+		{"separator", 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, "+:ws:t:", opts, NULL)) != -1;)
+#else
 	for(int c = -1; (c = getopt_nolong(argc, argv, ":ws:t:")) != -1;)
+#endif
 	{
 		switch(c)
 		{