followme: delete the right recorded name file

FollowMe with the option a records the name of the caller and plays it
to the callee. However it has failed to clean up that recorded file
as it tried to delete the file name without the '.sln' extension.

ASTERISK-26008 #close

Change-Id: I79d7b1be7d5cde57bf076d9389e2a8a4422776ec
Signed-off-by: Tzafrir Cohen <tzafrir.cohen@xorcom.com>

apps/app_followme.c

@@ -66,6 +66,8 @@ ASTERISK_REGISTER_FILE()
 #include "asterisk/stasis_channels.h"
 #include "asterisk/max_forwards.h"
 
+#define REC_FORMAT "sln"
+
 /*** DOCUMENTATION
 	<application name="FollowMe" language="en_US">
 		<synopsis>
@@ -1421,7 +1423,7 @@ static int app_exec(struct ast_channel *chan, const char *data)
 
 			snprintf(targs->namerecloc, sizeof(targs->namerecloc), "%s/followme.%s",
 				ast_config_AST_SPOOL_DIR, ast_channel_uniqueid(chan));
-			if (ast_play_and_record(chan, "vm-rec-name", targs->namerecloc, 5, "sln", &duration,
+			if (ast_play_and_record(chan, "vm-rec-name", targs->namerecloc, 5, REC_FORMAT, &duration,
 				NULL, ast_dsp_get_threshold_from_settings(THRESHOLD_SILENCE), 0, NULL) < 0) {
 				goto outrun;
 			}
@@ -1522,7 +1524,18 @@ outrun:
 		ast_free(nm);
 	}
 	if (!ast_strlen_zero(targs->namerecloc)) {
-		unlink(targs->namerecloc);
+		int ret;
+		char fn[PATH_MAX];
+
+		snprintf(fn, sizeof(fn), "%s.%s", targs->namerecloc,
+			     REC_FORMAT);
+		ret = unlink(fn);
+		if (ret != 0) {
+			ast_log(LOG_NOTICE, "Failed to delete recorded name file %s: %d (%s)\n",
+					fn, errno, strerror(errno));
+		} else {
+			ast_debug(2, "deleted recorded prompt %s.\n", fn);
+		}
 	}
 	ast_free((char *) targs->predial_callee);
 	ast_party_connected_line_free(&targs->connected_in);