[PATCH 5/6] chcli: fix error handling for write()

[Akinobu Mita <akinobu.mita@xxxxxxxxx>]

The number of bytes written may be less than the count bytes
specified by write(2) call.

Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
---
 tools/chcli.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/tools/chcli.c b/tools/chcli.c
index 51ec697..2c9ac23 100644
--- a/tools/chcli.c
+++ b/tools/chcli.c
@@ -595,6 +595,7 @@ static int cmd_get(void)
 
 	while (get_len > 0) {
 		size_t need_len;
+		ssize_t rc;
 
 		need_len = MIN(GET_BUFSZ, get_len);
 
@@ -603,14 +604,15 @@ static int cmd_get(void)
 			return 1;
 		}
 
-		if (write(wfd, get_buf, need_len) != need_len) {
+		rc = write(wfd, get_buf, need_len);
+		if (rc < 0) {
 			fprintf(stderr, "GET write to output failed: %s\n",
 				strerror(errno));
 			unlink(output_fn);
 			return 1;
 		}
 
-		get_len -= need_len;
+		get_len -= rc;
 	}
 
 	if (wfd != STDOUT_FILENO)
-- 
1.6.0.6

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