X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=functions%2Fstdio%2Fsetbuf.c;h=f6f6f7016790709cbcdfd469eff24d6cd2eac8e5;hb=HEAD;hp=163f1f550e749def67d7397bee05e6ece986c94c;hpb=c8f799d852e3698468a78954d82588e841cc0b70;p=pdclib.old

diff --git a/functions/stdio/setbuf.c b/functions/stdio/setbuf.c
index 163f1f5..f6f6f70 100644
--- a/functions/stdio/setbuf.c
+++ b/functions/stdio/setbuf.c
@@ -1,24 +1,58 @@
-/* ----------------------------------------------------------------------------
- * $Id$
- * ----------------------------------------------------------------------------
- * Public Domain C Library - http://pdclib.sourceforge.net
- * This code is Public Domain. Use, modify, and redistribute at will.
- * --------------------------------------------------------------------------*/
+/* $Id$ */
 
-void setbuf( FILE * restrict stream, char * restrict buf ) { /* TODO */ };
+/* setbuf( FILE *, char * )
 
-/* PDPC code - unreviewed
-{
-    int ret;
+   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>
 
-    if (buf == NULL)
+#ifndef REGTEST
+
+void setbuf( FILE * _PDCLIB_restrict stream, char * _PDCLIB_restrict buf )
+{
+    if ( buf == NULL )
     {
-        ret = setvbuf(stream, NULL, _IONBF, 0);
+        setvbuf( stream, buf, _IONBF, BUFSIZ );
     }
     else
     {
-        ret = setvbuf(stream, buf, _IOFBF, BUFSIZ);
+        setvbuf( stream, buf, _IOFBF, BUFSIZ );
     }
-    return (ret);
 }
-*/
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+#include <stdlib.h>
+#ifndef REGTEST
+#include <_PDCLIB_io.h>
+#endif
+
+int main( void )
+{
+    /* TODO: Extend testing once setvbuf() is finished. */
+#ifndef REGTEST
+    char buffer[ BUFSIZ + 1 ];
+    FILE * fh;
+    /* full buffered */
+    TESTCASE( ( fh = tmpfile() ) != NULL );
+    setbuf( fh, buffer );
+    TESTCASE( fh->buffer == buffer );
+    TESTCASE( fh->bufsize == BUFSIZ );
+    TESTCASE( ( fh->status & ( _IOFBF | _IONBF | _IOLBF ) ) == _IOFBF );
+    TESTCASE( fclose( fh ) == 0 );
+    /* not buffered */
+    TESTCASE( ( fh = tmpfile() ) != NULL );
+    setbuf( fh, NULL );
+    TESTCASE( ( fh->status & ( _IOFBF | _IONBF | _IOLBF ) ) == _IONBF );
+    TESTCASE( fclose( fh ) == 0 );
+#else
+    puts( " NOTEST setbuf() test driver is PDCLib-specific." );
+#endif
+    return TEST_RESULTS;
+}
+
+#endif