X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=functions%2Fstdio%2Fsetbuf.c;h=46db8e3374c109a92494b705e042635db67347a7;hp=85137af39ff18a8ecf6bd602434c8e785a120aa9;hb=55cf35957bf8dec0a489ba758c02c83303a5eb50;hpb=0a5395faab237ba9008352b0f4bee9659bbd3d5f

diff --git a/functions/stdio/setbuf.c b/functions/stdio/setbuf.c
index 85137af..46db8e3 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( struct _PDCLIB_file_t * _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>
+
+int main( void )
+{
+    /* TODO: Extend testing once setvbuf() is finished. */
+#ifndef REGTEST
+    char buffer[ BUFSIZ + 1 ];
+    FILE * fh;
+    remove( testfile );
+    /* full buffered */
+    TESTCASE( ( fh = fopen( testfile, "w" ) ) != NULL );
+    setbuf( fh, buffer );
+    TESTCASE( fh->buffer == buffer );
+    TESTCASE( fh->bufsize == BUFSIZ );
+    TESTCASE( ( fh->status & ( _IOFBF | _IONBF | _IOLBF ) ) == _IOFBF );
+    TESTCASE( fclose( fh ) == 0 );
+    TESTCASE( remove( testfile ) == 0 );
+    /* not buffered */
+    TESTCASE( ( fh = fopen( testfile, "w" ) ) != NULL );
+    setbuf( fh, NULL );
+    TESTCASE( ( fh->status & ( _IOFBF | _IONBF | _IOLBF ) ) == _IONBF );
+    TESTCASE( fclose( fh ) == 0 );
+    TESTCASE( remove( testfile ) == 0 );
+#else
+    puts( " NOTEST setbuf() test driver is PDCLib-specific." );
+#endif
+    return TEST_RESULTS;
+}
+
+#endif