usr/src/lib/krb5/ss/ss_internal.h

   1 /*
   2  * Copyright 1987, 1988 by MIT Student Information Processing Board
   3  *
   4  * For copyright information, see copyright.h.
   5  */
   6
   7 /*
   8  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
   9  * Use is subject to license terms.
  10  */
  11
  12
  13 #ifndef _ss_ss_internal_h
  14 #define _ss_ss_internal_h __FILE__
  15 #include <stdio.h>
  16 #include <string.h>
  17 #include <unistd.h>
  18 #ifdef HAVE_STDLIB_H
  19 #include <stdlib.h>
  20 #endif
  21
  22 typedef void * pointer;
  23
  24 #include <ss/ss.h>
  25
  26 #if defined(__GNUC__)
  27 #define LOCAL_ALLOC(x) __builtin_alloca(x)
  28 #define LOCAL_FREE(x)
  29 #else
  30 #if defined(vax)
  31 #define LOCAL_ALLOC(x) alloca(x)
  32 #define LOCAL_FREE(x)
  33 extern pointer alloca (unsigned);
  34 #else
  35 #if defined(__HIGHC__)  /* Barf! */
  36 pragma on(alloca);
  37 #define LOCAL_ALLOC(x) alloca(x)
  38 #define LOCAL_FREE(x)
  39 extern pointer alloca (unsigned);
  40 #else
  41 /* no alloca? */
  42 #define LOCAL_ALLOC(x) malloc(x)
  43 #define LOCAL_FREE(x) free(x)
  44 #endif
  45 #endif
  46 #endif                          /* LOCAL_ALLOC stuff */
  47
  48 typedef char BOOL;
  49
  50 typedef struct _ss_abbrev_entry {
  51     char *name;                 /* abbrev name */
  52     char **abbrev;              /* new tokens to insert */
  53     unsigned int beginning_of_line : 1;
  54 } ss_abbrev_entry;
  55
  56 typedef struct _ss_abbrev_list {
  57     int n_abbrevs;
  58     ss_abbrev_entry *first_abbrev;
  59 } ss_abbrev_list;
  60
  61 typedef struct {
  62 /*    char *path; */
  63     ss_abbrev_list abbrevs[127];
  64 } ss_abbrev_info;
  65
  66 typedef struct _ss_data {       /* init values */
  67     /* this subsystem */
  68     char *subsystem_name;
  69     char *subsystem_version;
  70     /* current request info */
  71     int argc;
  72     char **argv;                /* arg list */
  73     char const *current_request; /* primary name */
  74     /* info directory for 'help' */
  75     char **info_dirs;
  76     /* to be extracted by subroutines */
  77     pointer info_ptr;           /* NULL */
  78     /* for ss_listen processing */
  79     char *prompt;
  80     ss_request_table **rqt_tables;
  81     ss_abbrev_info *abbrev_info;
  82     struct {
  83         unsigned int  escape_disabled : 1,
  84                       abbrevs_disabled : 1;
  85     } flags;
  86     /* to get out */
  87     int abort;                  /* exit subsystem */
  88     int exit_status;
  89 } ss_data;
  90
  91 #define CURRENT_SS_VERSION 1
  92
  93 #define ss_info(sci_idx)        (_ss_table[sci_idx])
  94 #define ss_current_request(sci_idx,code_ptr)    \
  95      (*code_ptr=0,ss_info(sci_idx)->current_request)
  96 void ss_unknown_function();
  97 void ss_delete_info_dir();
  98 /* Solaris Kerberos */
  99 int ss_parse (int, char *, int *, char ***, int);
 100 ss_abbrev_info *ss_abbrev_initialize (char *, int *);
 101 void ss_page_stdin (void);
 102 int ss_pager_create (void);
 103 void ss_self_identify __SS_PROTO;
 104 void ss_subsystem_name __SS_PROTO;
 105 void ss_subsystem_version __SS_PROTO;
 106 void ss_unimplemented __SS_PROTO;
 107
 108 extern ss_data **_ss_table;
 109 extern char *ss_et_msgs[];
 110
 111 #ifndef HAVE_STDLIB_H
 112 extern pointer malloc (unsigned);
 113 extern pointer realloc (pointer, unsigned);
 114 extern pointer calloc (unsigned, unsigned);
 115 #endif
 116
 117 #if defined(USE_SIGPROCMASK) && !defined(POSIX_SIGNALS)
 118 /* fake sigmask, sigblock, sigsetmask */
 119 #include <signal.h>
 120 #ifdef sigmask
 121 #undef sigmask
 122 #endif
 123 #define sigmask(x) (1L<<(x)-1)
 124 #define sigsetmask(x) sigprocmask(SIG_SETMASK,&x,NULL)
 125 static int _fake_sigstore;
 126 #define sigblock(x) (_fake_sigstore=x,sigprocmask(SIG_BLOCK,&_fake_sigstore,0))
 127 #endif
 128 #endif /* _ss_internal_h */