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-rw-r--r--exec.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/exec.c b/exec.c
index 7d3eb1adab..ef79d6d29e 100644
--- a/exec.c
+++ b/exec.c
@@ -1491,7 +1491,8 @@ void cpu_set_log(int log_flags)
static char logfile_buf[4096];
setvbuf(logfile, logfile_buf, _IOLBF, sizeof(logfile_buf));
}
-#else
+#elif !defined(_WIN32)
+ /* Win32 doesn't support line-buffering and requires size >= 2 */
setvbuf(logfile, NULL, _IOLBF, 0);
#endif
log_append = 1;