usr/src/lib/libshell/sparc/include/ast/history.h

   1
   2 /* : : generated by proto : : */
   3 /***********************************************************************
   4 *                                                                      *
   5 *               This software is part of the ast package               *
   6 *          Copyright (c) 1982-2010 AT&T Intellectual Property          *
   7 *                      and is licensed under the                       *
   8 *                  Common Public License, Version 1.0                  *
   9 *                    by AT&T Intellectual Property                     *
  10 *                                                                      *
  11 *                A copy of the License is available at                 *
  12 *            http://www.opensource.org/licenses/cpl1.0.txt             *
  13 *         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
  14 *                                                                      *
  15 *              Information and Software Systems Research               *
  16 *                            AT&T Research                             *
  17 *                           Florham Park NJ                            *
  18 *                                                                      *
  19 *                  David Korn <dgk@research.att.com>                   *
  20 *                                                                      *
  21 ***********************************************************************/
  22
  23 #ifndef HIST_VERSION
  24 #if !defined(__PROTO__)
  25 #include <prototyped.h>
  26 #endif
  27 #if !defined(__LINKAGE__)
  28 #define __LINKAGE__             /* 2004-08-11 transition */
  29 #endif
  30
  31 /*
  32  *      Interface for history mechanism
  33  *      written by David Korn
  34  *
  35  */
  36
  37 #include        <ast.h>
  38
  39 #define HIST_CHAR       '!'
  40 #define HIST_VERSION    1               /* history file format version no. */
  41
  42 typedef struct
  43 {
  44         Sfdisc_t        histdisc;       /* discipline for history */
  45         Sfio_t          *histfp;        /* history file stream pointer */
  46         char            *histname;      /* name of history file */
  47         int32_t         histind;        /* current command number index */
  48         int             histsize;       /* number of accessible history lines */
  49 #ifdef _HIST_PRIVATE
  50         _HIST_PRIVATE
  51 #endif /* _HIST_PRIVATE */
  52 } History_t;
  53
  54 typedef struct
  55 {
  56         int hist_command;
  57         int hist_line;
  58         int hist_char;
  59 } Histloc_t;
  60
  61 /* the following are readonly */
  62 extern __MANGLE__ const char    hist_fname[];
  63
  64 extern __MANGLE__ int _Hist;
  65 #define hist_min(hp)    ((_Hist=((int)((hp)->histind-(hp)->histsize)))>=0?_Hist:0)
  66 #define hist_max(hp)    ((int)((hp)->histind))
  67 /* these are the history interface routines */
  68 extern __MANGLE__ int           sh_histinit __PROTO__((__V_ *));
  69 extern __MANGLE__ void          hist_cancel __PROTO__((History_t*));
  70 extern __MANGLE__ void          hist_close __PROTO__((History_t*));
  71 extern __MANGLE__ int           hist_copy __PROTO__((char*, int, int, int));
  72 extern __MANGLE__ void          hist_eof __PROTO__((History_t*));
  73 extern __MANGLE__ Histloc_t     hist_find __PROTO__((History_t*,char*,int, int, int));
  74 extern __MANGLE__ void          hist_flush __PROTO__((History_t*));
  75 extern __MANGLE__ void          hist_list __PROTO__((History_t*,Sfio_t*, off_t, int, char*));
  76 extern __MANGLE__ int           hist_match __PROTO__((History_t*,off_t, char*, int*));
  77 extern __MANGLE__ off_t         hist_tell __PROTO__((History_t*,int));
  78 extern __MANGLE__ off_t         hist_seek __PROTO__((History_t*,int));
  79 extern __MANGLE__ char          *hist_word __PROTO__((char*, int, int));
  80 #if SHOPT_ESH
  81     extern __MANGLE__ Histloc_t hist_locate __PROTO__((History_t*,int, int, int));
  82 #endif  /* SHOPT_ESH */
  83
  84 #endif /* HIST_VERSION */