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authorJakob Kaivo <jkk@ung.org>2019-02-08 18:42:39 -0500
committerJakob Kaivo <jkk@ung.org>2019-02-08 18:42:39 -0500
commit7ef8a7379f7f7d09e71ccae2a0b688c3cd80423f (patch)
tree092ab0aed1769117fd7b28b8592f6f96b0e0d5af /src/stdio/fflush.c
parent6acf19370e8adff79cd83b257d3f04aeaf2a59dd (diff)
merge sources into single tree
Diffstat (limited to 'src/stdio/fflush.c')
-rw-r--r--src/stdio/fflush.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/src/stdio/fflush.c b/src/stdio/fflush.c
new file mode 100644
index 00000000..c7514d10
--- /dev/null
+++ b/src/stdio/fflush.c
@@ -0,0 +1,44 @@
+#include <stdio.h>
+#include "nonstd/io.h"
+#include "nonstd/internal.h"
+
+/** flush buffered writes **/
+int fflush(FILE *stream)
+{
+ flockfile(stream);
+ if (stream == NULL) {
+ FILE *p;
+ for (p = __libc(FILE_TAIL); p != NULL; p = p->prev) {
+ fflush(p);
+ }
+ }
+
+ /*
+ if (fsync(stream->fd) != 0) {
+ stream->err = 1;
+ return EOF;
+ }
+ */
+
+ funlockfile(stream);
+ /*
+ RETURN_SUCCESS(0);
+ RETURN_FAILURE(CONSTANT(EOF));
+ */
+ return 0;
+}
+
+/***
+function flushes any buffered write operations on ARGUMENT(stream) to
+the underlying file.
+
+If ARGUMENT(stream) is CONSTANT(NULL), THIS() will flush all open streams.
+***/
+
+/*
+UNDEFINED(ARGUMENT(stream) is not an output stream)
+UNDEFINED(ARGUMENT(stream) is an update stream in which the most recent operation was input)
+*/
+/*
+STDC(1)
+*/