[Asterisk-code-review] res_musiconhold: Avoid spurious warning when 'format' is the empty st... (asterisk[13])

[Sean Bright]

Sean Bright has uploaded this change for review. ( https://gerrit.asterisk.org/c/asterisk/+/13740 )


Change subject: res_musiconhold: Avoid spurious warning when 'format' is the empty string
......................................................................

res_musiconhold: Avoid spurious warning when 'format' is the empty string

The change to res_config_odbc that allowed empty strings to be
returned to realtime consumers¹ causes a warning to be emitted when
loading MoH classes. So we need to treat an empty 'format' as if it
was not specified to avoid the warning.

ASTERISK-28735 #close
Reported by: Ross Beer

[1] https://gerrit.asterisk.org/c/asterisk/+/13722

Change-Id: I9a271d721e1a0973e80ebe7d75b46a0d8fa0e5a5
---
M res/res_musiconhold.c
1 file changed, 2 insertions(+), 2 deletions(-)



  git pull ssh://gerrit.asterisk.org:29418/asterisk refs/changes/40/13740/1

diff --git a/res/res_musiconhold.c b/res/res_musiconhold.c
index f029b16..60682fb 100644
--- a/res/res_musiconhold.c
+++ b/res/res_musiconhold.c
@@ -1517,7 +1517,7 @@
 					ast_set_flag(mohclass, MOH_RANDOMIZE);
 				else if (!strcasecmp(tmp->name, "sort") && !strcasecmp(tmp->value, "alpha"))
 					ast_set_flag(mohclass, MOH_SORTALPHA);
-				else if (!strcasecmp(tmp->name, "format")) {
+				else if (!strcasecmp(tmp->name, "format") && !ast_strlen_zero(tmp->value)) {
 					ao2_cleanup(mohclass->format);
 					mohclass->format = ast_format_cache_get(tmp->value);
 					if (!mohclass->format) {
@@ -1831,7 +1831,7 @@
 				ast_set_flag(class, MOH_RANDOMIZE);
 			} else if (!strcasecmp(var->name, "sort") && !strcasecmp(var->value, "alpha")) {
 				ast_set_flag(class, MOH_SORTALPHA);
-			} else if (!strcasecmp(var->name, "format")) {
+			} else if (!strcasecmp(var->name, "format") && !ast_strlen_zero(var->value)) {
 				ao2_cleanup(class->format);
 				class->format = ast_format_cache_get(var->value);
 				if (!class->format) {

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Gerrit-Project: asterisk
Gerrit-Branch: 13
Gerrit-Change-Id: I9a271d721e1a0973e80ebe7d75b46a0d8fa0e5a5
Gerrit-Change-Number: 13740
Gerrit-PatchSet: 1
Gerrit-Owner: Sean Bright <sean.bright at gmail.com>
Gerrit-MessageType: newchange
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