1 files changed, 42 insertions, 0 deletions
diff --git a/src/stdio/fputc.c b/src/stdio/fputc.c
new file mode 100644
index 00000000..eb249b77
--- /dev/null
+++ b/src/stdio/fputc.c
@@ -0,0 +1,42 @@
+#include <stdio.h>
+#include "nonstd/io.h"
+
+#ifdef _POSIX_SOURCE
+#include "unistd.h"
+#else
+#define write(fd, buf, size) -1
+#endif
+
+/** write a character to a file stream **/
+int fputc(int c, FILE *stream)
+{
+	unsigned char ch = (unsigned char)c;
+	flockfile(stream);
+
+	if (!stream) {
+		return EOF;
+	}
+
+	if (write(stream->fd, &ch, sizeof(ch)) != 1) {
+		/* error */
+		return EOF;
+	}
+
+	funlockfile(stream);
+	/*
+	RETURN_SUCCESS(ARGUMENT(c));
+	RETURN_FAILURE(CONSTANT(EOF));
+	*/
+	return ch;
+}
+
+/***
+writes the character ARGUMENT(c) (converted to an TYPE(unsigned char)) to
+ARGUMENT(stream). The character is written at the current
+file position indicator, which is advanced. If ARGUMENT(stream) does not support
+seeking or was opened in append mode, the character is written to the end of
+the stream.
+***/
+/*
+STDC(1)
+*/