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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/ferror.c
parent6acf19370e8adff79cd83b257d3f04aeaf2a59dd (diff)
merge sources into single tree
Diffstat (limited to 'src/stdio/ferror.c')
-rw-r--r--src/stdio/ferror.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/stdio/ferror.c b/src/stdio/ferror.c
new file mode 100644
index 00000000..609f7640
--- /dev/null
+++ b/src/stdio/ferror.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+#include "nonstd/assert.h"
+#include "nonstd/io.h"
+
+/** tests the file stream error indicator **/
+int ferror(FILE *stream)
+{
+ ASSERT_NONNULL(stream);
+ /*
+ RETURN(0, the error indicator is not set);
+ RETURN(NONZERO, the error indicator is set);
+ */
+ return stream->err;
+}
+
+/***
+tests the error indicator of ARGUMENT(stream).
+***/
+/*
+STDC(1)
+*/