From: mjeanson@efficios.com Michael Jeanson
Date: Wed, 15 Jun 2016 17:18:02 -0400
Subject: [lttng-dev] [PATCH] Fix: snapshot del-output with name on musl

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

Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
[Philippe: grabbed from the mailing list:
    https://lists.lttng.org/pipermail/lttng-dev/2016-June/026192.html
 and adapted to 2.8.2.]
Signed-off-by: Philippe Proulx <eeppeliteloop@gmail.com>
---
 src/bin/lttng/commands/snapshot.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/bin/lttng/commands/snapshot.c b/src/bin/lttng/commands/snapshot.c
index d948226..00aa5b7 100644
--- a/src/bin/lttng/commands/snapshot.c
+++ b/src/bin/lttng/commands/snapshot.c
@@ -447,7 +447,7 @@ 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)) {
 		if (lttng_opt_mi) {
 			ret = mi_del_output(UINT32_MAX, name);
 		} else {
--
2.7.4