From d4e69fcebd776233c42ef044230ce3b5b83e61de Mon Sep 17 00:00:00 2001
From: Michael Drake <tlsa@netsurf-browser.org>
Date: Sun, 1 Jan 2023 17:59:55 +0000
Subject: test: Add --help option to nsgif utility

---
 test/nsgif.c | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git a/test/nsgif.c b/test/nsgif.c
index 53c6a68..f873bab 100644
--- a/test/nsgif.c
+++ b/test/nsgif.c
@@ -29,15 +29,17 @@ static struct nsgif_options {
 	uint64_t loops;
 	bool palette;
 	bool info;
+	bool help;
 } nsgif_options;
 
 static const struct cli_table_entry cli_entries[] = {
 	{
-		.s = 'm',
-		.l = "ppm",
-		.t = CLI_STRING,
-		.v.s = &nsgif_options.ppm,
-		.d = "Convert frames to PPM image at given path."
+		.s = 'h',
+		.l = "help",
+		.t = CLI_BOOL,
+		.no_pos = true,
+		.v.b = &nsgif_options.help,
+		.d = "Print this text.",
 	},
 	{
 		.s = 'i',
@@ -54,6 +56,13 @@ static const struct cli_table_entry cli_entries[] = {
 		.d = "Loop through decoding all frames N times. "
 		     "The default is 1."
 	},
+	{
+		.s = 'm',
+		.l = "ppm",
+		.t = CLI_STRING,
+		.v.s = &nsgif_options.ppm,
+		.d = "Convert frames to PPM image at given path."
+	},
 	{
 		.s = 'p',
 		.l = "palette",
@@ -358,6 +367,11 @@ int main(int argc, char *argv[])
 		return EXIT_FAILURE;
 	}
 
+	if (nsgif_options.help) {
+		cli_help(&cli, argv[0]);
+		return EXIT_SUCCESS;
+	}
+
 	if (nsgif_options.ppm != NULL) {
 		ppm = fopen(nsgif_options.ppm, "w+");
 		if (ppm == NULL) {
-- 
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