From: Steinar H. Gunderson <sgunderson@bigfoot.com>
Date: Wed, 7 Nov 2018 22:11:31 +0000 (+0100)
Subject: Work around a GCC warning.
X-Git-Tag: 0.7.3~3
X-Git-Url: https://git.sesse.net/?p=bmusb;a=commitdiff_plain;h=8ff7940b54e6006fb9422ce38a23a49611441564

Work around a GCC warning.
---

diff --git a/bmusb.cpp b/bmusb.cpp
index abab109..471c015 100644
--- a/bmusb.cpp
+++ b/bmusb.cpp
@@ -342,7 +342,9 @@ void dump_frame(const char *filename, uint8_t *frame_start, size_t frame_len)
 
 void dump_audio_block(uint8_t *audio_start, size_t audio_len)
 {
-	fwrite(audio_start + AUDIO_HEADER_SIZE, 1, audio_len - AUDIO_HEADER_SIZE, audiofp);
+	if (audiofp != nullptr) {
+		fwrite(audio_start + AUDIO_HEADER_SIZE, 1, audio_len - AUDIO_HEADER_SIZE, audiofp);
+	}
 }
 
 void BMUSBCapture::dequeue_thread_func()