From: Michael Jeanson <mjeanson@efficios.com>
Date: Wed, 15 Jun 2016 21:18:02 +0000 (-0400)
Subject: Fix: snapshot del-output with name on musl
X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=commitdiff_plain;h=07f5023712313d73ab3feac62390a2d50457b7aa

Fix: snapshot del-output with name on musl

Some implementations of strtol(), like the one in musl, will
return EINVAL in errno when no valid number was found in
the string.

Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
---

diff --git a/src/bin/lttng/commands/snapshot.c b/src/bin/lttng/commands/snapshot.c
index d948226ae..00aa5b790 100644
--- a/src/bin/lttng/commands/snapshot.c
+++ b/src/bin/lttng/commands/snapshot.c
@@ -350,7 +350,7 @@ static int cmd_del_output(int argc, const char **argv)
 
 	errno = 0;
 	id = strtol(argv[1], &name, 10);
-	if (id == 0 && errno == 0) {
+	if (id == 0 && (errno == 0 || errno == EINVAL)) {
 		ret = del_output(UINT32_MAX, name);
 	} else if (errno == 0 && *name == '\0') {
 		ret = del_output(id, NULL);