X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2Ffputc.c;h=360abc459e32bec9ab94b22d4166211c817c5cb8;hb=b5b6c4a890795ea76f9b92b817b0a83c6bb4862c;hp=d17c936c365e35d1757ba91befdffd7835127e0a;hpb=c8f799d852e3698468a78954d82588e841cc0b70;p=pdclib.old

diff --git a/functions/stdio/fputc.c b/functions/stdio/fputc.c
index d17c936..360abc4 100644
--- a/functions/stdio/fputc.c
+++ b/functions/stdio/fputc.c
@@ -1,58 +1,55 @@
-/* ----------------------------------------------------------------------------
- * $Id$
- * ----------------------------------------------------------------------------
- * Public Domain C Library - http://pdclib.sourceforge.net
- * This code is Public Domain. Use, modify, and redistribute at will.
- * --------------------------------------------------------------------------*/
+/* $Id$ */
 
-int fputc( int c, FILE * stream ) { /* TODO */ };
+/* fputc( int, FILE * )
 
-/* PDPC code - unreviewed
-{
-    char buf[1];
+   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 __MVS__
-    stream->quickBin = 0;
-    if ((stream->upto < (stream->endbuf - 2))
-        && (stream->bufTech != _IONBF))
+#ifndef REGTEST
+#include <_PDCLIB_io.h>
+
+/* Write the value c (cast to unsigned char) to the given stream.
+   Returns c if successful, EOF otherwise.
+   If a write error occurs, the error indicator of the stream is set.
+*/
+int _PDCLIB_fputc_unlocked( int c, FILE * stream )
+{
+    if ( _PDCLIB_prepwrite( stream ) == EOF )
     {
-        if (stream->textMode)
-        {
-            if (c == '\n')
-            {
-                if (stream->bufTech == _IOFBF)
-                {
-                    *stream->upto++ = '\r';
-                    *stream->upto++ = '\n';
-                }
-                else
-                {
-                    buf[0] = (char)c;
-                    if (fwrite(buf, 1, 1, stream) != 1)
-                    {
-                        return (EOF);
-                    }
-                }
-            }
-            else
-            {
-                *stream->upto++ = (char)c;
-            }
-        }
-        else
-        {
-            *stream->upto++ = (char)c;
-        }
+        return EOF;
     }
-    else
-#endif
+    stream->buffer[stream->bufidx++] = (char)c;
+    if ( ( stream->bufidx == stream->bufsize )                   /* _IOFBF */
+           || ( ( stream->status & _IOLBF ) && ( (char)c == '\n' ) ) /* _IOLBF */
+           || ( stream->status & _IONBF )                        /* _IONBF */
+    )
     {
-        buf[0] = (char)c;
-        if (fwrite(buf, 1, 1, stream) != 1)
-        {
-            return (EOF);
-        }
+        /* buffer filled, unbuffered stream, or end-of-line. */
+        return ( _PDCLIB_flushbuffer( stream ) == 0 ) ? c : EOF;
     }
-    return (c);
+    return c;
 }
-*/
+
+int fputc( int c, FILE * stream )
+{
+    _PDCLIB_flockfile( stream );
+    int r = _PDCLIB_fputc_unlocked( c, stream );
+    _PDCLIB_funlockfile( stream );
+    return r;
+}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+    /* Testing covered by ftell.c */
+    return TEST_RESULTS;
+}
+
+#endif