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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2014-12-01 20:43:19 -0500
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2014-12-09 21:36:08 -0500
commit553acb7b6b8d4f16a4747b1f978e8b7888fbfb2c (patch)
treeb9a473c853c616b256ed3ea1dc5f8e9c7838b289 /src/libsystemd-terminal
parentcb01aedc3b4ba70859267159fe716253e3551ec6 (diff)
treewide: sanitize loop_write
loop_write() didn't follow the usual systemd rules and returned status partially in errno and required extensive checks from callers. Some of the callers dealt with this properly, but many did not, treating partial writes as successful. Simplify things by conforming to usual rules.
Diffstat (limited to 'src/libsystemd-terminal')
-rw-r--r--src/libsystemd-terminal/subterm.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/libsystemd-terminal/subterm.c b/src/libsystemd-terminal/subterm.c
index 75a25e5590..78efc9d7c0 100644
--- a/src/libsystemd-terminal/subterm.c
+++ b/src/libsystemd-terminal/subterm.c
@@ -117,14 +117,14 @@ static int output_winch(Output *o) {
}
static int output_flush(Output *o) {
- ssize_t len;
+ int r;
if (o->n_obuf < 1)
return 0;
- len = loop_write(o->fd, o->obuf, o->n_obuf, false);
- if (len < 0)
- return log_error_errno(len, "error: cannot write to TTY (%zd): %m", len);
+ r = loop_write(o->fd, o->obuf, o->n_obuf, false);
+ if (r < 0)
+ return log_error_errno(r, "error: cannot write to TTY: %m");
o->n_obuf = 0;