3 /*-
25  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
60 	el->el_history.fun = NULL;  in hist_init()
61 	el->el_history.ref = NULL;  in hist_init()
62 	el->el_history.buf = el_calloc(EL_BUFSIZ, sizeof(*el->el_history.buf));  in hist_init()
63 	if (el->el_history.buf == NULL)  in hist_init()
64 		return -1;  in hist_init()
65 	el->el_history.sz  = EL_BUFSIZ;  in hist_init()
66 	el->el_history.last = el->el_history.buf;  in hist_init()
78 	el_free(el->el_history.buf);  in hist_end()
79 	el->el_history.buf = NULL;  in hist_end()
90 	el->el_history.ref = ptr;  in hist_set()
91 	el->el_history.fun = fun;  in hist_set()
107 	if (el->el_history.eventno == 0) {	/* if really the current line */  in hist_get()
108 		(void) wcsncpy(el->el_line.buffer, el->el_history.buf,  in hist_get()
109 		    el->el_history.sz);  in hist_get()
110 		el->el_line.lastchar = el->el_line.buffer +  in hist_get()
111 		    (el->el_history.last - el->el_history.buf);  in hist_get()
114 		if (el->el_map.type == MAP_VI)  in hist_get()
115 			el->el_line.cursor = el->el_line.buffer;  in hist_get()
118 			el->el_line.cursor = el->el_line.lastchar;  in hist_get()
122 	if (el->el_history.ref == NULL)  in hist_get()
130 	for (h = 1; h < el->el_history.eventno; h++)  in hist_get()
135 	blen = (size_t)(el->el_line.limit - el->el_line.buffer);  in hist_get()
139 	memcpy(el->el_line.buffer, hp, hlen * sizeof(*hp));  in hist_get()
140 	el->el_line.lastchar = el->el_line.buffer + hlen - 1;  in hist_get()
142 	if (el->el_line.lastchar > el->el_line.buffer  in hist_get()
143 	    && el->el_line.lastchar[-1] == '\n')  in hist_get()
144 		el->el_line.lastchar--;  in hist_get()
145 	if (el->el_line.lastchar > el->el_line.buffer  in hist_get()
146 	    && el->el_line.lastchar[-1] == ' ')  in hist_get()
147 		el->el_line.lastchar--;  in hist_get()
149 	if (el->el_map.type == MAP_VI)  in hist_get()
150 		el->el_line.cursor = el->el_line.buffer;  in hist_get()
153 		el->el_line.cursor = el->el_line.lastchar;  in hist_get()
157 	el->el_history.eventno = h;  in hist_get()
173 	if (el->el_history.ref == NULL)  in hist_command()
174 		return -1;  in hist_command()
184 			    ct_encode_string(str, &el->el_scratch);  in hist_command()
186 			if (len > 0 && ptr[len - 1] == '\n')   in hist_command()
187 				ptr[--len] = '\0';  in hist_command()
194 					return -1;  in hist_command()
199 			(void) fprintf(el->el_outfile, "%d\t%s\n",  in hist_command()
207 		return -1;  in hist_command()
212 		return history_w(el->el_history.ref, &ev, H_SETSIZE, num);  in hist_command()
215 		return history_w(el->el_history.ref, &ev, H_SETUNIQUE, num);  in hist_command()
217 	return -1;  in hist_command()
230 	newbuf = el_realloc(el->el_history.buf, newsz * sizeof(*newbuf));  in hist_enlargebuf()
234 	(void) memset(&newbuf[oldsz], '\0', (newsz - oldsz) * sizeof(*newbuf));  in hist_enlargebuf()
236 	el->el_history.last = newbuf +  in hist_enlargebuf()
237 				(el->el_history.last - el->el_history.buf);  in hist_enlargebuf()
238 	el->el_history.buf = newbuf;  in hist_enlargebuf()
239 	el->el_history.sz  = newsz;  in hist_enlargebuf()
248 	if ((*(el)->el_history.fun)((el)->el_history.ref, &ev, fn, arg) == -1)  in hist_convert()
251 	    &el->el_scratch);  in hist_convert()