X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=functions%2Fstdio%2Fputs.c;h=f0c5a7bbfd9297bc6b4d3f2a0216c0036c08a969;hp=3c819dd5a89d3c768439ed0e7946706241a064cd;hb=da0f3f353d417fed71f358a48d5d5394145e460d;hpb=1d9d92ba957a0b8307c9a65c35867fde68e6533b

diff --git a/functions/stdio/puts.c b/functions/stdio/puts.c
index 3c819dd..f0c5a7b 100644
--- a/functions/stdio/puts.c
+++ b/functions/stdio/puts.c
@@ -1,21 +1,74 @@
-/* ----------------------------------------------------------------------------
- * $Id$
- * ----------------------------------------------------------------------------
- * Public Domain C Library - http://pdclib.sourceforge.net
- * This code is Public Domain. Use, modify, and redistribute at will.
- * --------------------------------------------------------------------------*/
+/* puts( const char * )
 
-int puts( const char * s ) { /* TODO */ };
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
 
-/* PDPC code - unreviewed
-{
-    int ret;
+#include <stdio.h>
+
+#ifndef REGTEST
+#include "_PDCLIB_io.h"
 
-    ret = fputs(s, stdout);
-    if (ret == EOF)
+extern char * _PDCLIB_eol;
+
+int _PDCLIB_puts_unlocked( const char * s )
+{
+    if ( _PDCLIB_prepwrite( stdout ) == EOF )
+    {
+        return EOF;
+    }
+    while ( *s != '\0' )
+    {
+        stdout->buffer[ stdout->bufidx++ ] = *s++;
+        if ( stdout->bufidx == stdout->bufsize )
+        {
+            if ( _PDCLIB_flushbuffer( stdout ) == EOF )
+            {
+                return EOF;
+            }
+        }
+    }
+    stdout->buffer[ stdout->bufidx++ ] = '\n';
+    if ( ( stdout->bufidx == stdout->bufsize ) ||
+         ( stdout->status & ( _IOLBF | _IONBF ) ) )
+    {
+        return _PDCLIB_flushbuffer( stdout );
+    }
+    else
     {
-        return (ret);
+        return 0;
     }
-    return (putc('\n', stdout));
 }
-*/
+
+int puts( const char * s )
+{
+    _PDCLIB_flockfile( stdout );
+    int r = _PDCLIB_puts_unlocked( s );
+    _PDCLIB_funlockfile( stdout );
+    return r;
+}
+
+#endif
+
+#ifdef TEST
+#include "_PDCLIB_test.h"
+
+int main( void )
+{
+    FILE * fh;
+    char const * message = "SUCCESS testing puts()";
+    char buffer[23];
+    buffer[22] = 'x';
+    TESTCASE( ( fh = freopen( testfile, "wb+", stdout ) ) != NULL );
+    TESTCASE( puts( message ) >= 0 );
+    rewind( fh );
+    TESTCASE( fread( buffer, 1, 22, fh ) == 22 );
+    TESTCASE( memcmp( buffer, message, 22 ) == 0 );
+    TESTCASE( buffer[22] == 'x' );
+    TESTCASE( fclose( fh ) == 0 );
+    TESTCASE( remove( testfile ) == 0 );
+    return TEST_RESULTS;
+}
+
+#endif
+