108 lines
3.3 KiB
C
108 lines
3.3 KiB
C
/*
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* Copyright 1987, 1988 by MIT Student Information Processing Board
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*
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* Permission to use, copy, modify, and distribute this software and
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* its documentation for any purpose is hereby granted, provided that
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* the names of M.I.T. and the M.I.T. S.I.P.B. not be used in
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* advertising or publicity pertaining to distribution of the software
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* without specific, written prior permission. M.I.T. and the
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* M.I.T. S.I.P.B. make no representations about the suitability of
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* this software for any purpose. It is provided "as is" without
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* express or implied warranty.
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*/
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#ifndef _ss_ss_internal_h
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#define _ss_ss_internal_h __FILE__
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#define PROTOTYPE(p) p
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typedef void * pointer;
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#include "ss.h"
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typedef char BOOL;
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typedef struct _ss_abbrev_entry {
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char *name; /* abbrev name */
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char **abbrev; /* new tokens to insert */
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unsigned int beginning_of_line : 1;
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} ss_abbrev_entry;
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typedef struct _ss_abbrev_list {
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int n_abbrevs;
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ss_abbrev_entry *first_abbrev;
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} ss_abbrev_list;
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typedef struct {
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/* char *path; */
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ss_abbrev_list abbrevs[127];
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} ss_abbrev_info;
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typedef struct _ss_data { /* init values */
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/* this subsystem */
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const char *subsystem_name;
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const char *subsystem_version;
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/* current request info */
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int argc;
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char **argv; /* arg list */
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char const *current_request; /* primary name */
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/* info directory for 'help' */
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char **info_dirs;
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/* to be extracted by subroutines */
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pointer info_ptr; /* (void *) NULL */
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/* for ss_listen processing */
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char *prompt;
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ss_request_table **rqt_tables;
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ss_abbrev_info *abbrev_info;
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struct {
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unsigned int escape_disabled : 1,
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abbrevs_disabled : 1;
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} flags;
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/*
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* Dynamic usage of readline library if present
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*/
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void *readline_handle;
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void (*readline_shutdown)(struct _ss_data *info);
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char *(*readline)(const char *);
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void (*add_history)(const char *);
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void (*redisplay)(void);
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char **(*rl_completion_matches)(const char *,
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char *(*completer)(const char *, int));
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/* to get out */
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int abort; /* exit subsystem */
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int exit_status;
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} ss_data;
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#define CURRENT_SS_VERSION 1
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#define ss_info(sci_idx) (_ss_table[sci_idx])
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#define ss_current_request(sci_idx,code_ptr) \
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(*code_ptr=0,ss_info(sci_idx)->current_request)
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void ss_add_info_dir (int sci_idx, char *info_dir, int *code_ptr);
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void ss_delete_info_dir (int sci_idx, char *info_dir, int *code_ptr);
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int ss_execute_line(int sci_idx, char *line_ptr);
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char **ss_parse(int sci_idx, char *line_ptr, int *argc_ptr);
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ss_abbrev_info *ss_abbrev_initialize(char *, int *);
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void ss_page_stdin(void);
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void ss_list_requests(int, char const * const *, int, pointer);
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int ss_execute_command(int sci_idx, char *argv[]);
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int ss_pager_create(void);
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char *ss_safe_getenv(const char *arg);
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char **ss_rl_completion(const char *text, int start, int end);
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extern ss_data **_ss_table;
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extern char *ss_et_msgs[];
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extern char *_ss_pager_name;
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#ifdef USE_SIGPROCMASK
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/* fake sigmask, sigblock, sigsetmask */
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#include <signal.h>
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#define sigmask(x) (1L<<(x)-1)
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#define sigsetmask(x) sigprocmask(SIG_SETMASK,&x,NULL)
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static int _fake_sigstore;
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#define sigblock(x) (_fake_sigstore=x,sigprocmask(SIG_BLOCK,&_fake_sigstore,0))
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#endif
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#endif /* _ss_internal_h */
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