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-rw-r--r--src/libfmt/fmtfdflush.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/src/libfmt/fmtfdflush.c b/src/libfmt/fmtfdflush.c
new file mode 100644
index 00000000..796feab2
--- /dev/null
+++ b/src/libfmt/fmtfdflush.c
@@ -0,0 +1,33 @@
+/*
+ * The authors of this software are Rob Pike and Ken Thompson.
+ * Copyright (c) 2002 by Lucent Technologies.
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose without fee is hereby granted, provided that this entire notice
+ * is included in all copies of any software which is or includes a copy
+ * or modification of this software and in all copies of the supporting
+ * documentation for such software.
+ * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY
+ * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
+ * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
+ */
+#include <stdarg.h>
+#include <unistd.h>
+#include "fmt.h"
+#include "fmtdef.h"
+
+/*
+ * generic routine for flushing a formatting buffer
+ * to a file descriptor
+ */
+int
+__fmtFdFlush(Fmt *f)
+{
+ int n;
+
+ n = (char*)f->to - (char*)f->start;
+ if(n && write((int)f->farg, f->start, n) != n)
+ return 0;
+ f->to = f->start;
+ return 1;
+}