mirror of https://github.com/vitalif/e2fsprogs
127 lines
3.3 KiB
C
127 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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#ifdef __STDC__
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#define NOARGS void
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#define PROTOTYPE(p) p
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typedef void * pointer;
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#else
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#define NOARGS
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#define const
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#define volatile
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#define PROTOTYPE(p) ()
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typedef char * pointer;
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#endif /* not __STDC__ */
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#include "ss.h"
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#if defined(__GNUC__)
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#define LOCAL_ALLOC(x) __builtin_alloca(x)
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#define LOCAL_FREE(x)
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#else
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#if defined(vax)
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#define LOCAL_ALLOC(x) alloca(x)
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#define LOCAL_FREE(x)
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extern pointer alloca PROTOTYPE((unsigned));
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#else
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#if defined(__HIGHC__) /* Barf! */
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pragma on(alloca);
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#define LOCAL_ALLOC(x) alloca(x)
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#define LOCAL_FREE(x)
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extern pointer alloca PROTOTYPE((unsigned));
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#else
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/* no alloca? */
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#define LOCAL_ALLOC(x) malloc(x)
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#define LOCAL_FREE(x) free(x)
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#endif
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#endif
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#endif /* LOCAL_ALLOC stuff */
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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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/* 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_delete_info_dir PROTOTYPE((int sci_idx, char *info_dir,
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int *code_ptr));
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int ss_execute_line PROTOTYPE((int sci_idx, char *line_ptr));
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char **ss_parse PROTOTYPE((int sci_idx, char *line_ptr, int *argc_ptr));
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ss_abbrev_info *ss_abbrev_initialize PROTOTYPE((char *, int *));
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void ss_page_stdin(NOARGS);
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extern ss_data **_ss_table;
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extern char *ss_et_msgs[];
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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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