meta-openembedded/meta-oe/recipes-multimedia/v4l2apps/v4l-utils/0001-ir-ctl-Define-TEMP_FAILURE_RETRY-if-undefined.patch

From b2efcc20617d6317f74c4acb2a6af5b765f20b34 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Fri, 14 Jul 2017 13:11:25 -0700
Subject: [PATCH] ir-ctl: Define TEMP_FAILURE_RETRY if undefined

use strndup() instead of strndupa() which is not
universally available in C libraries

Taken from AlpineLinux

Signed-off-by: Khem Raj <raj.khem@gmail.com>

---
 utils/ir-ctl/ir-ctl.c | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/utils/ir-ctl/ir-ctl.c b/utils/ir-ctl/ir-ctl.c
index bc58cee..1a44011 100644
--- a/utils/ir-ctl/ir-ctl.c
+++ b/utils/ir-ctl/ir-ctl.c
@@ -42,6 +42,16 @@
 # define _(string) string
 #endif
 
+/* taken from glibc unistd.h */
+#ifndef TEMP_FAILURE_RETRY
+#define TEMP_FAILURE_RETRY(expression) \
+  (__extension__                                                              \
+    ({ long int __result;                                                     \
+       do __result = (long int) (expression);                                 \
+       while (__result == -1L && errno == EINTR);                             \
+       __result; }))
+#endif
+
 # define N_(string) string
 
 
@@ -344,12 +354,14 @@ static struct file *read_scancode(const char *name)
 		return NULL;
 	}
 
-	pstr = strndupa(name, p - name);
+	pstr = strndup(name, p - name);
 
 	if (!protocol_match(pstr, &proto)) {
 		fprintf(stderr, _("error: protocol '%s' not found\n"), pstr);
+		free(pstr);
 		return NULL;
 	}
+	free(pstr);
 
 	if (!strtoscancode(p + 1, &scancode)) {
 		fprintf(stderr, _("error: invalid scancode '%s'\n"), p + 1);