Add support for '-h' (help).

https://github.com/PaulStoffregen/teensy_loader_cli/pull/26

---
 teensy_loader_cli.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/teensy_loader_cli.c b/teensy_loader_cli.c
index d4a6cc5..0a06209 100644
--- a/teensy_loader_cli.c
+++ b/teensy_loader_cli.c
@@ -37,7 +37,8 @@ void usage(const char *err)
 {
 	if(err != NULL) fprintf(stderr, "%s\n\n", err);
 	fprintf(stderr,
-		"Usage: teensy_loader_cli --mcu=<MCU> [-w] [-h] [-n] [-b] [-v] <file.hex>\n"
+		"Usage: teensy_loader_cli --mcu=<MCU> [-h] [-w] [-n] [-b] [-v] <file.hex>\n"
+		"\t-h : Print this help message\n"
 		"\t-w : Wait for device to appear\n"
 		"\t-r : Use hard reboot if device not online\n"
 		"\t-s : Use soft reboot if device not online (Teensy3.x only)\n"
@@ -1081,6 +1082,7 @@ void parse_flag(char *arg)
 	int i;
 	for(i=1; arg[i]; i++) {
 		switch(arg[i]) {
+			case 'h': usage(NULL); break;
 			case 'w': wait_for_device_to_appear = 1; break;
 			case 'r': hard_reboot_device = 1; break;
 			case 's': soft_reboot_device = 1; break;
-- 
2.7.4


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<tr><th>author</th><td>Wojtek Kosior &lt;koszko@koszko.org&gt;</td><td class='right'>2024-01-24 17:47:06 +0100</td></tr>
<tr><th>committer</th><td>W. Kosior &lt;koszko@koszko.org&gt;</td><td class='right'>2024-12-24 09:35:55 +0100</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/guix/commit/nix/libutil?id=72fb35018dcf379219b74d10981c1481ef18a33d'>72fb35018dcf379219b74d10981c1481ef18a33d</a> (<a href='/guix/patch/nix/libutil?id=72fb35018dcf379219b74d10981c1481ef18a33d'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/guix/tree/?id=72fb35018dcf379219b74d10981c1481ef18a33d'>fddb81ab5b50a994b9145694b467a94ffed244fd</a> /<a href='/guix/tree/nix/libutil?id=72fb35018dcf379219b74d10981c1481ef18a33d'>nix/libutil</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/guix/commit/nix/libutil?id=6b9f9411b134a845a5247bb33ab3681f302e182e'>6b9f9411b134a845a5247bb33ab3681f302e182e</a> (<a href='/guix/diff/nix/libutil?id=72fb35018dcf379219b74d10981c1481ef18a33d&amp;id2=6b9f9411b134a845a5247bb33ab3681f302e182e'>diff</a>)</td></tr><tr><th>download</th><td colspan='2' class='oid'><a href='/guix/snapshot/guix-72fb35018dcf379219b74d10981c1481ef18a33d.tar.gz'>guix-72fb35018dcf379219b74d10981c1481ef18a33d.tar.gz</a><br/><a href='/guix/snapshot/guix-72fb35018dcf379219b74d10981c1481ef18a33d.zip'>guix-72fb35018dcf379219b74d10981c1481ef18a33d.zip</a><br/></td></tr></table>
<div class='commit-subject'>services: Allow cgit footer text to be passed as a file-like object.</div><div class='commit-msg'>* gnu/services/cgit.scm (cgit-configuration)[footer]: Specify type as
`file-object`.

Change-Id: Id5790bbdb5e09204b653bc54e1b9b60afe5a2ee0
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