14887Schin 24887Schin /* : : generated by proto : : */ 34887Schin /*********************************************************************** 44887Schin * * 54887Schin * This software is part of the ast package * 6*12068SRoger.Faulkner@Oracle.COM * Copyright (c) 1982-2010 AT&T Intellectual Property * 74887Schin * and is licensed under the * 84887Schin * Common Public License, Version 1.0 * 98462SApril.Chin@Sun.COM * by AT&T Intellectual Property * 104887Schin * * 114887Schin * A copy of the License is available at * 124887Schin * http://www.opensource.org/licenses/cpl1.0.txt * 134887Schin * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 144887Schin * * 154887Schin * Information and Software Systems Research * 164887Schin * AT&T Research * 174887Schin * Florham Park NJ * 184887Schin * * 194887Schin * David Korn <dgk@research.att.com> * 204887Schin * * 214887Schin ***********************************************************************/ 224887Schin 234887Schin #ifndef HIST_VERSION 244887Schin #if !defined(__PROTO__) 254887Schin #include <prototyped.h> 264887Schin #endif 274887Schin #if !defined(__LINKAGE__) 284887Schin #define __LINKAGE__ /* 2004-08-11 transition */ 294887Schin #endif 304887Schin 314887Schin /* 324887Schin * Interface for history mechanism 334887Schin * written by David Korn 344887Schin * 354887Schin */ 364887Schin 374887Schin #include <ast.h> 384887Schin 394887Schin #define HIST_CHAR '!' 404887Schin #define HIST_VERSION 1 /* history file format version no. */ 414887Schin 424887Schin typedef struct 434887Schin { 444887Schin Sfdisc_t histdisc; /* discipline for history */ 454887Schin Sfio_t *histfp; /* history file stream pointer */ 464887Schin char *histname; /* name of history file */ 474887Schin int32_t histind; /* current command number index */ 484887Schin int histsize; /* number of accessible history lines */ 494887Schin #ifdef _HIST_PRIVATE 504887Schin _HIST_PRIVATE 514887Schin #endif /* _HIST_PRIVATE */ 524887Schin } History_t; 534887Schin 544887Schin typedef struct 554887Schin { 564887Schin int hist_command; 574887Schin int hist_line; 584887Schin int hist_char; 594887Schin } Histloc_t; 604887Schin 614887Schin /* the following are readonly */ 624887Schin extern __MANGLE__ const char hist_fname[]; 634887Schin 644887Schin extern __MANGLE__ int _Hist; 654887Schin #define hist_min(hp) ((_Hist=((int)((hp)->histind-(hp)->histsize)))>=0?_Hist:0) 664887Schin #define hist_max(hp) ((int)((hp)->histind)) 674887Schin /* these are the history interface routines */ 688462SApril.Chin@Sun.COM extern __MANGLE__ int sh_histinit __PROTO__((__V_ *)); 694887Schin extern __MANGLE__ void hist_cancel __PROTO__((History_t*)); 704887Schin extern __MANGLE__ void hist_close __PROTO__((History_t*)); 714887Schin extern __MANGLE__ int hist_copy __PROTO__((char*, int, int, int)); 724887Schin extern __MANGLE__ void hist_eof __PROTO__((History_t*)); 734887Schin extern __MANGLE__ Histloc_t hist_find __PROTO__((History_t*,char*,int, int, int)); 744887Schin extern __MANGLE__ void hist_flush __PROTO__((History_t*)); 754887Schin extern __MANGLE__ void hist_list __PROTO__((History_t*,Sfio_t*, off_t, int, char*)); 764887Schin extern __MANGLE__ int hist_match __PROTO__((History_t*,off_t, char*, int*)); 774887Schin extern __MANGLE__ off_t hist_tell __PROTO__((History_t*,int)); 784887Schin extern __MANGLE__ off_t hist_seek __PROTO__((History_t*,int)); 794887Schin extern __MANGLE__ char *hist_word __PROTO__((char*, int, int)); 804887Schin #if SHOPT_ESH 814887Schin extern __MANGLE__ Histloc_t hist_locate __PROTO__((History_t*,int, int, int)); 824887Schin #endif /* SHOPT_ESH */ 834887Schin 844887Schin #endif /* HIST_VERSION */ 85