From d7f8dce37ecea2fa24883b58a8bbd5f25fb69221 Mon Sep 17 00:00:00 2001 From: Cem Keylan Date: Wed, 14 Jul 2021 17:07:06 +0300 Subject: ed: port to otools --- bin/ed/ed.h | 201 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 201 insertions(+) create mode 100644 bin/ed/ed.h (limited to 'bin/ed/ed.h') diff --git a/bin/ed/ed.h b/bin/ed/ed.h new file mode 100644 index 0000000..12d7e3d --- /dev/null +++ b/bin/ed/ed.h @@ -0,0 +1,201 @@ +/* $OpenBSD: ed.h,v 1.22 2016/03/27 00:43:38 mmcc Exp $ */ +/* $NetBSD: ed.h,v 1.23 1995/03/21 09:04:40 cgd Exp $ */ + +/* ed.h: type and constant definitions for the ed editor. */ +/* + * Copyright (c) 1993 Andrew Moore + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)ed.h,v 1.5 1994/02/01 00:34:39 alm Exp + */ + +#include +#include +#include + +#define ERR (-2) +#define EMOD (-3) +#define FATAL (-4) + +#define MINBUFSZ 512 /* minimum buffer size - must be > 0 */ +#define SE_MAX 30 /* max subexpressions in a regular expression */ +#define LINECHARS INT_MAX /* max chars per line */ + +/* gflags */ +#define GLB 001 /* global command */ +#define GPR 002 /* print after command */ +#define GLS 004 /* list after command */ +#define GNP 010 /* enumerate after command */ +#define GSG 020 /* global substitute */ + +/* Line node */ +typedef struct line { + struct line *q_forw; + struct line *q_back; + off_t seek; /* address of line in scratch buffer */ + int len; /* length of line */ +} line_t; + + +typedef struct undo { + +/* type of undo nodes */ +#define UADD 0 +#define UDEL 1 +#define UMOV 2 +#define VMOV 3 + + int type; /* command type */ + line_t *h; /* head of list */ + line_t *t; /* 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 + +#define INC_MOD(l, k) ((l) + 1 > (k) ? 0 : (l) + 1) +#define DEC_MOD(l, k) ((l) - 1 < 0 ? (k) : (l) - 1) + +/* SPL1: disable some interrupts (requires reliable signals) */ +#define SPL1() mutex++ + +/* SPL0: enable all interrupts; check signal flags (requires reliable signals) */ +#define SPL0() \ + do { \ + if (--mutex == 0) { \ + if (sighup) \ + handle_hup(SIGHUP); \ + if (sigint) \ + handle_int(SIGINT); \ + } \ + } while (0) + +/* STRTOI: convert a string to int */ +#define STRTOI(i, p) { \ + long l = strtol(p, &p, 10); \ + if (l <= INT_MIN || l >= INT_MAX) { \ + seterrmsg("number out of range"); \ + i = 0; \ + return ERR; \ + } else \ + i = (int)l; \ +} + +/* REALLOC: assure at least a minimum size for buffer b */ +#define REALLOC(b,n,i,err) \ +if ((i) > (n)) { \ + int ti = (n); \ + char *ts; \ + SPL1(); \ + if ((ts = realloc((b), ti += max((i), MINBUFSZ))) == NULL) { \ + perror(NULL); \ + seterrmsg("out of memory"); \ + SPL0(); \ + return err; \ + } \ + (n) = ti; \ + (b) = ts; \ + SPL0(); \ +} + +/* REQUE: link pred before succ */ +#define REQUE(pred, succ) (pred)->q_forw = (succ), (succ)->q_back = (pred) + +/* INSQUE: insert elem in circular queue after pred */ +#define INSQUE(elem, pred) \ +{ \ + REQUE((elem), (pred)->q_forw); \ + REQUE((pred), elem); \ +} + +/* remque: remove_lines elem from circular queue */ +#define REMQUE(elem) REQUE((elem)->q_back, (elem)->q_forw); + +/* NUL_TO_NEWLINE: overwrite ASCII NULs with newlines */ +#define NUL_TO_NEWLINE(s, l) translit_text(s, l, '\0', '\n') + +/* NEWLINE_TO_NUL: overwrite newlines with ASCII NULs */ +#define NEWLINE_TO_NUL(s, l) translit_text(s, l, '\n', '\0') + +/* Local Function Declarations */ +void add_line_node(line_t *); +int build_active_list(int); +void clear_active_list(void); +void clear_undo_stack(void); +int close_sbuf(void); +int delete_lines(int, int); +int display_lines(int, int, int); +int exec_command(void); +int exec_global(int, int); +int extract_addr_range(void); +int extract_subst_tail(int *, int *); +line_t *get_addressed_line_node(int); +regex_t *get_compiled_pattern(void); +char *get_extended_line(int *, int); +int get_line_node_addr(line_t *); +char *get_sbuf_line(line_t *); +int get_tty_line(void); +void handle_hup(int); +void handle_int(int); +int has_trailing_escape(char *, char *); +void init_buffers(void); +int open_sbuf(void); +int pop_undo_stack(void); +undo_t *push_undo_stack(int, int, int); +char *put_sbuf_line(char *); +int put_tty_line(char *, int, int, int); +void quit(int); +int read_file(char *, int); +int search_and_replace(regex_t *, int, int); +void seterrmsg(char *); +char *strip_escapes(char *); +char *translit_text(char *, int, int, int); +void unmark_line_node(line_t *); +void unset_active_nodes(line_t *, line_t *); +int write_file(char *, char *, int, int); + +/* global buffers */ +extern char *ibuf; +extern char *ibufp; +extern int ibufsz; + +/* global flags */ +extern int isbinary; +extern int isglobal; +extern int modified; + +extern volatile sig_atomic_t mutex; +extern volatile sig_atomic_t sighup; +extern volatile sig_atomic_t sigint; + +/* global vars */ +extern int addr_last; +extern int current_addr; +extern int first_addr; +extern int lineno; +extern int second_addr; -- cgit v1.2.3