X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=functions%2Fstdio%2Ffreopen.c;h=d647d32033110ee6167158774af94cfad5e9a41f;hp=482b82025d225cf5d5cdbb2b1e9a2e0000177ba0;hb=da0f3f353d417fed71f358a48d5d5394145e460d;hpb=71712a8bb92d6a10218e3356c6d26554dc2633dd

diff --git a/functions/stdio/freopen.c b/functions/stdio/freopen.c
index 482b820..d647d32 100644
--- a/functions/stdio/freopen.c
+++ b/functions/stdio/freopen.c
@@ -1,5 +1,3 @@
-/* $Id$ */
-
 /* freopen( const char *, const char *, FILE * )
 
    This file is part of the Public Domain C Library (PDCLib).
@@ -9,14 +7,23 @@
 #include <stdio.h>
 
 #ifndef REGTEST
-
-#include <_PDCLIB_glue.h>
+#include "_PDCLIB_io.h"
+#include "_PDCLIB_glue.h"
 #include <stdlib.h>
 #include <string.h>
 
-struct _PDCLIB_file_t * freopen( const char * _PDCLIB_restrict filename, const char * _PDCLIB_restrict mode, struct _PDCLIB_file_t * _PDCLIB_restrict stream )
+FILE * freopen( 
+    const char * _PDCLIB_restrict filename, 
+    const char * _PDCLIB_restrict mode, 
+    FILE * _PDCLIB_restrict stream 
+)
 {
-    unsigned int status = stream->status & ( _IONBF | _IOLBF | _IOFBF | _PDCLIB_FREEBUFFER | _PDCLIB_DELONCLOSE );
+    _PDCLIB_flockfile( stream );
+
+    unsigned int status = stream->status & 
+        ( _IONBF | _IOLBF | _IOFBF | _PDCLIB_FREEBUFFER 
+        | _PDCLIB_DELONCLOSE | _PDCLIB_STATIC );
+
     /* TODO: This function can change wide orientation of a stream */
     if ( stream->status & _PDCLIB_FWRITE )
     {
@@ -25,14 +32,16 @@ struct _PDCLIB_file_t * freopen( const char * _PDCLIB_restrict filename, const c
     if ( ( filename == NULL ) && ( stream->filename == NULL ) )
     {
         /* TODO: Special handling for mode changes on std-streams */
+        _PDCLIB_funlockfile( stream );
         return NULL;
     }
-    _PDCLIB_close( stream->handle );
+    stream->ops->close(stream->handle);
+    
     /* TODO: It is not nice to do this on a stream we just closed.
        It does not matter with the current implementation of clearerr(),
        but it might start to matter if someone replaced that implementation.
     */
-    clearerr( stream );
+    _PDCLIB_clearerr_unlocked( stream );
     /* The new filename might not fit the old buffer */
     if ( filename == NULL )
     {
@@ -49,16 +58,19 @@ struct _PDCLIB_file_t * freopen( const char * _PDCLIB_restrict filename, const c
         /* Allocate new buffer */
         if ( ( stream->filename = (char *)malloc( strlen( filename ) ) ) == NULL )
         {
+            _PDCLIB_funlockfile( stream );
             return NULL;
         }
         strcpy( stream->filename, filename );
     }
     if ( ( mode == NULL ) || ( filename[0] == '\0' ) )
     {
+        _PDCLIB_funlockfile( stream );
         return NULL;
     }
     if ( ( stream->status = _PDCLIB_filemode( mode ) ) == 0 )
     {
+        _PDCLIB_funlockfile( stream );
         return NULL;
     }
     /* Re-add the flags we saved above */
@@ -67,21 +79,41 @@ struct _PDCLIB_file_t * freopen( const char * _PDCLIB_restrict filename, const c
     stream->bufend = 0;
     stream->ungetidx = 0;
     /* TODO: Setting mbstate */
-    if ( ( stream->handle = _PDCLIB_open( filename, stream->status ) ) == _PDCLIB_NOHANDLE )
+    if ( ! _PDCLIB_open( &stream->handle, &stream->ops, filename, 
+                         stream->status ) )
     {
+        _PDCLIB_funlockfile( stream );
         return NULL;
     }
+    _PDCLIB_funlockfile( stream );
     return stream;
 }
 
 #endif
 
 #ifdef TEST
-#include <_PDCLIB_test.h>
+#include "_PDCLIB_test.h"
 
 int main( void )
 {
-    TESTCASE( NO_TESTDRIVER );
+    FILE * fin;
+    FILE * fout;
+    TESTCASE( ( fin = fopen( testfile1, "wb+" ) ) != NULL );
+    TESTCASE( fputc( 'x', fin ) == 'x' );
+    TESTCASE( fclose( fin ) == 0 );
+    TESTCASE( ( fin = freopen( testfile1, "rb", stdin ) ) != NULL );
+    TESTCASE( getchar() == 'x' );
+
+    TESTCASE( ( fout = freopen( testfile2, "wb+", stdout ) ) != NULL );
+    TESTCASE( putchar( 'x' ) == 'x' );
+    rewind( fout );
+    TESTCASE( fgetc( fout ) == 'x' );
+
+    TESTCASE( fclose( fin ) == 0 );
+    TESTCASE( fclose( fout ) == 0 );
+    TESTCASE( remove( testfile1 ) == 0 );
+    TESTCASE( remove( testfile2 ) == 0 );
+
     return TEST_RESULTS;
 }