[PATCH 7/8] os: Ignore log file write failures

[Keith Packard]

There's no place to log the message if writing to the log file fails,
and we surely don't want to crash in that case, so just ignore errors
and keep going.

Signed-off-by: Keith Packard <keithp at keithp.com>
---
 os/log.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/os/log.c b/os/log.c
index 38193ee..a0f2a81 100644
--- a/os/log.c
+++ b/os/log.c
@@ -491,13 +491,14 @@ static void
 LogSWrite(int verb, const char *buf, size_t len, Bool end_line)
 {
     static Bool newline = TRUE;
+    int ret;
 
     if (verb < 0 || logVerbosity >= verb)
-        write(2, buf, len);
+        ret = write(2, buf, len);
 
     if (verb < 0 || logFileVerbosity >= verb) {
         if (inSignalContext && logFileFd >= 0) {
-            write(logFileFd, buf, len);
+            ret = write(logFileFd, buf, len);
 #ifndef WIN32
             if (logFlush && logSync)
                 fsync(logFileFd);
@@ -529,6 +530,11 @@ LogSWrite(int verb, const char *buf, size_t len, Bool end_line)
             bufferPos += len;
         }
     }
+
+    /* There's no place to log an error message if the log write
+     * fails...
+     */
+    (void) ret;
 }
 
 void
-- 
1.9.2