X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=functions%2Fstdio%2Fputs.c;h=f0c5a7bbfd9297bc6b4d3f2a0216c0036c08a969;hp=40c9727643fa3ad424cd33032b59e75f9950e2f3;hb=da0f3f353d417fed71f358a48d5d5394145e460d;hpb=e5112b619d1aae8ffc439389cfcbd3b2b4bd2454

diff --git a/functions/stdio/puts.c b/functions/stdio/puts.c
index 40c9727..f0c5a7b 100644
--- a/functions/stdio/puts.c
+++ b/functions/stdio/puts.c
@@ -1,5 +1,3 @@
-/* $Id$ */
-
 /* puts( const char * )
 
    This file is part of the Public Domain C Library (PDCLib).
@@ -9,22 +7,68 @@
 #include <stdio.h>
 
 #ifndef REGTEST
+#include "_PDCLIB_io.h"
+
+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 0;
+    }
+}
 
 int puts( const char * s )
 {
-    /* TODO: Implement. */
-    return 0;
+    _PDCLIB_flockfile( stdout );
+    int r = _PDCLIB_puts_unlocked( s );
+    _PDCLIB_funlockfile( stdout );
+    return r;
 }
 
 #endif
 
 #ifdef TEST
-#include <_PDCLIB_test.h>
+#include "_PDCLIB_test.h"
 
 int main( void )
 {
-    TESTCASE( NO_TESTDRIVER );
+    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
+