Added some functions.

[pdclib] / functions / stdio / fputs.c

diff --git a/functions/stdio/fputs.c b/functions/stdio/fputs.c
index 86abe11188058dd4566cac1c4775b0f07f9da256..716fef838b5ebddaba629c760c52e777f268eadb 100644 (file)
--- a/functions/stdio/fputs.c
+++ b/functions/stdio/fputs.c
@@ -1,8 +1,48 @@
-// ----------------------------------------------------------------------------
-// $Id$
-// ----------------------------------------------------------------------------
-// Public Domain C Library - http://pdclib.sourceforge.net
-// This code is Public Domain. Use, modify, and redistribute at will.
-// ----------------------------------------------------------------------------
-
-int fputs( const char * restrict s, FILE * restrict stream ) { /* TODO */ };
+/* $Id$ */
+
+/* fputs( const char *, FILE * )
+
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#include <stdio.h>
+
+#ifndef REGTEST
+
+int fputs( const char * _PDCLIB_restrict s, struct _PDCLIB_file_t * _PDCLIB_restrict stream )
+{
+    /* FIXME: This is devoid of any error checking (file writeable? r/w
+       constraints honored?)
+    */
+    /* FIXME: Proper buffering handling. */
+    while ( stream->bufidx < stream->bufsize )
+    {
+        if ( ( stream->buffer[stream->bufidx++] = *(s++) ) == '\0' )
+        {
+            break;
+        }
+    }
+    fflush( stream );
+    if ( *(s-1) != '\0' )
+    {
+        return fputs( s, stream );
+    }
+    else
+    {
+        return 1;
+    }
+}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+    TESTCASE( NO_TESTDRIVER );
+    return TEST_RESULTS;
+}
+
+#endif