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 */ 85