Don't store notes that are just one space on the Uemis

Sometimes the Uemis appears to return " " as notes instead of no notes.
This patch filters this out (otherwise redownloading divecomputers can
cause silly things like notes that say "(existing note) or ( )" )

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/uemis-downloader.c b/uemis-downloader.c
index 90f3d2317..465437aa6 100644
--- a/uemis-downloader.c
+++ b/uemis-downloader.c
@@ -109,7 +109,9 @@ static void uemis_get_index(char *buffer, int *idx)
 /* space separated */
 static void uemis_add_string(char *buffer, char **text)
 {
-	if (!buffer || !*buffer)
+	/* do nothing if this is an empty buffer (Uemis sometimes returns a single
+	 * space for empty buffers) */
+	if (!buffer || !*buffer || (*buffer == ' ' && *(buffer + 1) == '\0'))
 		return;
 	if (!*text) {
 		*text = strdup(buffer);