X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=ao-tools%2Flibaltos%2Flibaltos.c;fp=ao-tools%2Flibaltos%2Flibaltos.c;h=00fb2125443bc452b9807f8f106d81b726dd30b9;hp=df0d5b2eba6b21f99ea35e9196bed7771565cd6a;hb=53c279b9e96da8b69837ae84038a78ca5707f2a5;hpb=b8bc9994d8bfde6116c8a509e70ddf45fc4decce

diff --git a/ao-tools/libaltos/libaltos.c b/ao-tools/libaltos/libaltos.c
index df0d5b2e..00fb2125 100644
--- a/ao-tools/libaltos/libaltos.c
+++ b/ao-tools/libaltos/libaltos.c
@@ -567,6 +567,14 @@ void
 altos_close(struct altos_file *file)
 {
 	close(file->fd);
+	file->fd = -1;
+}
+
+void
+altos_free(struct altos_file *file)
+{
+	if (file->fd != -1)
+		close(file->fd);
 	free(file);
 }
 
@@ -592,6 +600,8 @@ altos_flush(struct altos_file *file)
 	while (file->out_used) {
 		int	ret;
 
+		if (file->fd < 0)
+			return -EBADF;
 		ret = write (file->fd, file->out_data, file->out_used);
 		if (ret < 0)
 			return -errno;
@@ -610,6 +620,8 @@ altos_getchar(struct altos_file *file, int timeout)
 		int	ret;
 
 		altos_flush(file);
+		if (file->fd < 0)
+			return -EBADF;
 		ret = read(file->fd, file->in_data, USB_BUF_SIZE);
 		if (ret < 0)
 			return -errno;