summaryrefslogtreecommitdiff
path: root/bin/ed/ed.h
diff options
context:
space:
mode:
Diffstat (limited to 'bin/ed/ed.h')
-rw-r--r--bin/ed/ed.h297
1 files changed, 297 insertions, 0 deletions
diff --git a/bin/ed/ed.h b/bin/ed/ed.h
new file mode 100644
index 00000000000..6ae2ed2d398
--- /dev/null
+++ b/bin/ed/ed.h
@@ -0,0 +1,297 @@
+/* $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 <sys/types.h>
+#if defined(BSD) && BSD >= 199103 || defined(__386BSD__)
+# include <sys/param.h> /* for MAXPATHLEN */
+#endif
+#include <errno.h>
+#if defined(sun) || defined(__NetBSD__)
+# include <limits.h>
+#endif
+#include <regex.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#define ERR (-2)
+#define EMOD (-3)
+#define FATAL (-4)
+
+#ifndef MAXPATHLEN
+# define MAXPATHLEN 255 /* _POSIX_PATH_MAX */
+#endif
+
+#define MINBUFSZ 512 /* minimum buffer size - must be > 0 */
+#define SE_MAX 30 /* max subexpressions in a regular expression */
+#ifdef INT_MAX
+# define LINECHARS INT_MAX /* max chars per line */
+#else
+# define LINECHARS MAXINT /* max chars per line */
+#endif
+
+/* 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 */
+
+typedef regex_t pattern_t;
+
+/* 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 sigflags (requires reliable signals) */
+#define SPL0() \
+if (--mutex == 0) { \
+ if (sigflags & (1 << (SIGHUP - 1))) handle_hup(SIGHUP); \
+ if (sigflags & (1 << (SIGINT - 1))) handle_int(SIGINT); \
+}
+
+/* STRTOL: convert a string to long */
+#define STRTOL(i, p) { \
+ if (((i = strtol(p, &p, 10)) == LONG_MIN || i == LONG_MAX) && \
+ errno == ERANGE) { \
+ sprintf(errmsg, "number out of range"); \
+ i = 0; \
+ return ERR; \
+ } \
+}
+
+#if defined(sun) || defined(NO_REALLOC_NULL)
+/* 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 ((b) != NULL) { \
+ if ((ts = (char *) realloc((b), ti += max((i), MINBUFSZ))) == NULL) { \
+ fprintf(stderr, "%s\n", strerror(errno)); \
+ sprintf(errmsg, "out of memory"); \
+ SPL0(); \
+ return err; \
+ } \
+ } else { \
+ if ((ts = (char *) malloc(ti += max((i), MINBUFSZ))) == NULL) { \
+ fprintf(stderr, "%s\n", strerror(errno)); \
+ sprintf(errmsg, "out of memory"); \
+ SPL0(); \
+ return err; \
+ } \
+ } \
+ (n) = ti; \
+ (b) = ts; \
+ SPL0(); \
+}
+#else /* NO_REALLOC_NULL */
+/* 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 = (char *) realloc((b), ti += max((i), MINBUFSZ))) == NULL) { \
+ fprintf(stderr, "%s\n", strerror(errno)); \
+ sprintf(errmsg, "out of memory"); \
+ SPL0(); \
+ return err; \
+ } \
+ (n) = ti; \
+ (b) = ts; \
+ SPL0(); \
+}
+#endif /* NO_REALLOC_NULL */
+
+/* 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')
+
+#ifdef sun
+# define strerror(n) sys_errlist[n]
+#endif
+
+#ifndef __P
+# ifndef __STDC__
+# define __P(proto) ()
+# else
+# define __P(proto) proto
+# endif
+#endif
+
+/* Local Function Declarations */
+void add_line_node __P((line_t *));
+int append_lines __P((long));
+int apply_subst_template __P((char *, regmatch_t *, int, int));
+int build_active_list __P((int));
+int cbc_decode __P((char *, FILE *));
+int cbc_encode __P((char *, int, FILE *));
+int check_addr_range __P((long, long));
+void clear_active_list __P((void));
+void clear_undo_stack __P((void));
+int close_sbuf __P((void));
+int copy_lines __P((long));
+int delete_lines __P((long, long));
+void des_error __P((char *));
+int display_lines __P((long, long, int));
+line_t *dup_line_node __P((line_t *));
+int exec_command __P((void));
+long exec_global __P((int, int));
+void expand_des_key __P((char *, char *));
+int extract_addr_range __P((void));
+char *extract_pattern __P((int));
+int extract_subst_tail __P((int *, long *));
+char *extract_subst_template __P((void));
+int filter_lines __P((long, long, char *));
+int flush_des_file __P((FILE *));
+line_t *get_addressed_line_node __P((long));
+pattern_t *get_compiled_pattern __P((void));
+int get_des_char __P((FILE *));
+char *get_extended_line __P((int *, int));
+char *get_filename __P((void));
+int get_keyword __P((void));
+long get_line_node_addr __P((line_t *));
+long get_matching_node_addr __P((pattern_t *, int));
+long get_marked_node_addr __P((int));
+char *get_sbuf_line __P((line_t *));
+int get_shell_command __P((void));
+int get_stream_line __P((FILE *));
+int get_tty_line __P((void));
+void handle_hup __P((int));
+void handle_int __P((int));
+void handle_winch __P((int));
+int has_trailing_escape __P((char *, char *));
+int hex_to_binary __P((int, int));
+void init_buffers __P((void));
+void init_des_cipher __P((void));
+int is_legal_filename __P((char *));
+int join_lines __P((long, long));
+int mark_line_node __P((line_t *, int));
+int move_lines __P((long));
+line_t *next_active_node __P(());
+long next_addr __P((void));
+int open_sbuf __P((void));
+char *parse_char_class __P((char *));
+int pop_undo_stack __P((void));
+undo_t *push_undo_stack __P((int, long, long));
+int put_des_char __P((int, FILE *));
+char *put_sbuf_line __P((char *));
+int put_stream_line __P((FILE *, char *, int));
+int put_tty_line __P((char *, int, long, int));
+void quit __P((int));
+long read_file __P((char *, long));
+long read_stream __P((FILE *, long));
+int search_and_replace __P((pattern_t *, int, int));
+int set_active_node __P((line_t *));
+void set_des_key __P((char *));
+void signal_hup __P((int));
+void signal_int __P((int));
+char *strip_escapes __P((char *));
+int substitute_matching_text __P((pattern_t *, line_t *, int, int));
+char *translit_text __P((char *, int, int, int));
+void unmark_line_node __P((line_t *));
+void unset_active_nodes __P((line_t *, line_t *));
+long write_file __P((char *, char *, long, long));
+long write_stream __P((FILE *, long, long));
+
+/* global buffers */
+extern char stdinbuf[];
+extern char *ibuf;
+extern char *ibufp;
+extern int ibufsz;
+
+/* global flags */
+extern int isbinary;
+extern int isglobal;
+extern int modified;
+extern int mutex;
+extern int sigflags;
+
+/* global vars */
+extern long addr_last;
+extern long current_addr;
+extern char errmsg[];
+extern long first_addr;
+extern int lineno;
+extern long second_addr;
+#ifdef sun
+extern char *sys_errlist[];
+#endif