Imported Upstream version 1.6upstream/1.6

1 files changed, 153 insertions, 0 deletions

diff --git a/ed.h b/ed.h
new file mode 100644
index 0000000..9c16cee
--- /dev/null
+++ b/ed.h
@@ -0,0 +1,153 @@
+/*  Global declarations for the ed editor.  */
+/*  GNU ed - The GNU line editor.
+    Copyright (C) 1993, 1994 Andrew Moore, Talke Studio
+    Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012
+    Free Software Foundation, Inc.
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __cplusplus
+enum Bool { false = 0, true = 1 };
+typedef enum Bool bool;
+#endif
+
+enum Gflags
+  {
+  GLB = 0x01,			/* global command */
+  GLS = 0x02,			/* list after command */
+  GNP = 0x04,			/* enumerate after command */
+  GPR = 0x08,			/* print after command */
+  GSG = 0x10			/* global substitute */
+  };
+
+
+typedef struct line		/* Line node */
+  {
+  struct line * q_forw;
+  struct line * q_back;
+  long pos;			/* position of text in scratch buffer */
+  int len;			/* length of line */
+  }
+line_t;
+
+
+typedef struct
+  {
+  enum { UADD = 0, UDEL = 1, UMOV = 2, VMOV = 3 } type;
+  line_t * head;			/* head of list */
+  line_t * tail;			/* tail of list */
+  }
+undo_t;
+
+#ifndef max
+#define max( a,b ) ( (( a ) > ( b )) ? ( a ) : ( b ) )
+#endif
+#ifndef min
+#define min( a,b ) ( (( a ) < ( b )) ? ( a ) : ( b ) )
+#endif
+
+
+/* defined in buffer.c */
+bool append_lines( const char ** const ibufpp, const int addr,
+                   const bool isglobal );
+bool close_sbuf( void );
+bool copy_lines( const int first_addr, const int second_addr, const int addr );
+int current_addr( void );
+int dec_addr( int addr );
+bool delete_lines( const int from, const int to, const bool isglobal );
+int get_line_node_addr( const line_t * const lp );
+char * get_sbuf_line( const line_t * const lp );
+int inc_addr( int addr );
+int inc_current_addr( void );
+bool init_buffers( void );
+bool isbinary( void );
+bool join_lines( const int from, const int to, const bool isglobal );
+int last_addr( void );
+bool modified( void );
+bool move_lines( const int first_addr, const int second_addr, const int addr,
+                 const bool isglobal );
+bool newline_added( void );
+bool open_sbuf( void );
+int path_max( const char * filename );
+bool put_lines( const int addr );
+const char * put_sbuf_line( const char * const buf, const int size,
+                            const int addr );
+line_t * search_line_node( const int addr );
+void set_binary( void );
+void set_current_addr( const int addr );
+void set_modified( const bool m );
+void set_newline_added( void );
+bool yank_lines( const int from, const int to );
+void clear_undo_stack( void );
+undo_t * push_undo_atom( const int type, const int from, const int to );
+void reset_undo_state( void );
+bool undo( const bool isglobal );
+
+/* defined in global.c */
+void clear_active_list( void );
+const line_t * next_active_node( void );
+bool set_active_node( const line_t * const lp );
+void unset_active_nodes( const line_t * bp, const line_t * const ep );
+
+/* defined in io.c */
+bool display_lines( int from, const int to, const int gflags );
+bool get_extended_line( const char ** const ibufpp, int * const lenp,
+                        const bool strip_escaped_newlines );
+const char * get_tty_line( int * const sizep );
+int read_file( const char * const filename, const int addr );
+int write_file( const char * const filename, const char * const mode,
+                const int from, const int to );
+
+/* defined in main.c */
+bool is_regular_file( const int fd );
+bool may_access_filename( const char * const name );
+bool restricted( void );
+bool scripted( void );
+void show_strerror( const char * const filename, const int errcode );
+bool traditional( void );
+
+/* defined in main_loop.c */
+int main_loop( const bool loose );
+void set_def_filename( const char * const s );
+void set_error_msg( const char * msg );
+void set_prompt( const char * const s );
+void set_verbose( void );
+void unmark_line_node( const line_t * const lp );
+
+/* defined in regex.c */
+bool build_active_list( const char ** const ibufpp, const int first_addr,
+                        const int second_addr, const bool match );
+bool extract_subst_tail( const char ** const ibufpp, int * const gflagsp,
+                         int * const snump, const bool isglobal );
+int next_matching_node_addr( const char ** const ibufpp, const bool forward );
+bool new_compiled_pattern( const char ** const ibufpp );
+bool prev_pattern( void );
+bool search_and_replace( const int first_addr, const int second_addr,
+                         const int gflags, const int snum, const bool isglobal );
+
+/* defined in signal.c */
+void disable_interrupts( void );
+void enable_interrupts( void );
+bool parse_int( int * const i, const char * const str, const char ** const tail );
+bool resize_buffer( char ** const buf, int * const size, const int min_size );
+bool resize_line_buffer( const line_t *** const buf, int * const size,
+                         const int min_size );
+bool resize_undo_buffer( undo_t ** const buf, int * const size,
+                         const int min_size );
+void set_signals( void );
+void set_window_lines( const int lines );
+const char * strip_escapes( const char * p );
+int window_columns( void );
+int window_lines( void );