* platform/example is now a "stub" platform - it should compile anywhere, but

[pdclib] / platform / posix / functions / stdio / remove.c

diff --git a/platform/posix/functions/stdio/remove.c b/platform/posix/functions/stdio/remove.c
new file mode 100644 (file)
index 0000000..389df30
--- /dev/null
+++ b/platform/posix/functions/stdio/remove.c
@@ -0,0 +1,77 @@
+/* $Id$ */
+
+/* remove( const char * )
+
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+/* This is an example implementation of remove() fit for use with POSIX kernels.
+*/
+
+#include <stdio.h>
+
+#ifndef REGTEST
+
+#include <string.h>
+
+#include "/usr/include/errno.h"
+
+extern struct _PDCLIB_file_t * _PDCLIB_filelist;
+
+extern int unlink( const char * pathname );
+
+int remove( const char * pathname )
+{
+    int rc;
+    struct _PDCLIB_file_t * current = _PDCLIB_filelist;
+    while ( current != NULL )
+    {
+        if ( ( current->filename != NULL ) && ( strcmp( current->filename, pathname ) == 0 ) )
+        {
+            return EOF;
+        }
+        current = current->next;
+    }
+    if ( ( rc = unlink( pathname ) ) == -1 )
+    {
+        switch ( errno )
+        {
+            /* See the comments on implementation-defined errno values in
+               <_PDCLIB_config.h>.
+            */
+            case EACCES:
+            case EFAULT:
+            case EIO:
+            case EISDIR:
+            case ELOOP:
+            case ENAMETOOLONG:
+            case ENOENT:
+            case ENOMEM:
+            case ENOTDIR:
+            case EPERM:
+            case EROFS:
+                _PDCLIB_errno = _PDCLIB_ERROR;
+                break;
+            default:
+                /* This should be something like EUNKNOWN. */
+                _PDCLIB_errno = _PDCLIB_ERROR;
+                break;
+        }
+    }
+    return rc;
+}
+
+#endif
+
+#ifdef TEST
+#include <_PDCLIB_test.h>
+
+int main( void )
+{
+    /* Testing covered by ftell.c (and several others) */
+    return TEST_RESULTS;
+}
+
+#endif
+