1 files changed, 85 insertions, 0 deletions
diff --git a/tools/build/src/engine/pathsys.h b/tools/build/src/engine/pathsys.h
new file mode 100644
index 000000000..9b7a4caf1
--- /dev/null
+++ b/tools/build/src/engine/pathsys.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright 1993-2002 Christopher Seiwald and Perforce Software, Inc.
+ *
+ * This file is part of Jam - see jam.c for Copyright information.
+ */
+
+/*
+ * pathsys.h - PATHNAME struct
+ */
+
+/*
+ * PATHNAME - a name of a file, broken into <grist>dir/base/suffix(member)
+ *
+ * <grist> - salt to distinguish between targets that would otherwise have the
+ * same name - it never appears in the bound name of a target.
+ *
+ * (member) - archive member name: the syntax is arbitrary, but must agree in
+ * path_parse(), path_build() and the Jambase.
+ */
+
+#ifndef PATHSYS_VP_20020211_H
+#define PATHSYS_VP_20020211_H
+
+#include "object.h"
+#include "strings.h"
+
+
+typedef struct _pathpart
+{
+    char const * ptr;
+    int len;
+} PATHPART;
+
+typedef struct _pathname
+{
+    PATHPART part[ 6 ];
+
+#define f_grist   part[ 0 ]
+#define f_root    part[ 1 ]
+#define f_dir     part[ 2 ]
+#define f_base    part[ 3 ]
+#define f_suffix  part[ 4 ]
+#define f_member  part[ 5 ]
+} PATHNAME;
+
+
+void path_build( PATHNAME *, string * file );
+void path_parse( char const * file, PATHNAME * );
+void path_parent( PATHNAME * );
+
+/* Given a path, returns an object containing an equivalent path in canonical
+ * format that can be used as a unique key for that path. Equivalent paths such
+ * as a/b, A\B, and a\B on NT all yield the same key.
+ */
+OBJECT * path_as_key( OBJECT * path );
+
+/* Called as an optimization when we know we have a path that is already in its
+ * canonical/long/key form. Avoids the need for some subsequent path_as_key()
+ * call to do a potentially expensive path conversion requiring access to the
+ * actual underlying file system.
+ */
+void path_register_key( OBJECT * canonic_path );
+
+/* Returns a static pointer to the system dependent path to the temporary
+ * directory. NOTE: Does *not* include a trailing path separator.
+ */
+string const * path_tmpdir( void );
+
+/* Returns a new temporary name. */
+OBJECT * path_tmpnam( void );
+
+/* Returns a new temporary path. */
+OBJECT * path_tmpfile( void );
+
+/* Give the first argument to 'main', return a full path to our executable.
+ * Returns null in the unlikely case it cannot be determined. Caller is
+ * responsible for freeing the string.
+ *
+ * Implemented in jam.c
+ */
+char * executable_path( char const * argv0 );
+
+void path_done( void );
+
+#endif