lib/libedit/hist.c

46 #include "el.h"
52 hist_init(EditLine *el)
55 	el->el_history.fun = NULL;
56 	el->el_history.ref = NULL;
57 	el->el_history.buf = (char *) el_malloc(EL_BUFSIZ);
58 	el->el_history.sz  = EL_BUFSIZ;
59 	if (el->el_history.buf == NULL)
61 	el->el_history.last = el->el_history.buf;
70 hist_end(EditLine *el)
73 	el_free((ptr_t) el->el_history.buf);
74 	el->el_history.buf = NULL;
82 hist_set(EditLine *el, hist_fun_t fun, ptr_t ptr)
85 	el->el_history.ref = ptr;
86 	el->el_history.fun = fun;
96 hist_get(EditLine *el)
101 	if (el->el_history.eventno == 0) {	/* if really the current line */
102 		(void) strncpy(el->el_line.buffer, el->el_history.buf,
103 		    el->el_history.sz);
104 		el->el_line.lastchar = el->el_line.buffer +
105 		    (el->el_history.last - el->el_history.buf);
108 		if (el->el_map.type == MAP_VI)
109 			el->el_line.cursor = el->el_line.buffer;
112 			el->el_line.cursor = el->el_line.lastchar;
116 	if (el->el_history.ref == NULL)
119 	hp = HIST_FIRST(el);
124 	for (h = 1; h < el->el_history.eventno; h++)
125 		if ((hp = HIST_NEXT(el)) == NULL) {
126 			el->el_history.eventno = h;
129 	(void) strlcpy(el->el_line.buffer, hp,
130 			(size_t)(el->el_line.limit - el->el_line.buffer));
131 	el->el_line.lastchar = el->el_line.buffer + strlen(el->el_line.buffer);
133 	if (el->el_line.lastchar > el->el_line.buffer
134 	    && el->el_line.lastchar[-1] == '\n')
135 		el->el_line.lastchar--;
136 	if (el->el_line.lastchar > el->el_line.buffer
137 	    && el->el_line.lastchar[-1] == ' ')
138 		el->el_line.lastchar--;
140 	if (el->el_map.type == MAP_VI)
141 		el->el_line.cursor = el->el_line.buffer;
144 		el->el_line.cursor = el->el_line.lastchar;
154 hist_command(EditLine *el, int argc, const char **argv)
160 	if (el->el_history.ref == NULL)
166 		for (str = HIST_LAST(el); str != NULL; str = HIST_PREV(el))
167 			(void) fprintf(el->el_outfile, "%d %s",
168 			    el->el_history.ev.num, str);
178 		return history(el->el_history.ref, &ev, H_SETSIZE, num);
181 		return history(el->el_history.ref, &ev, H_SETUNIQUE, num);
192 hist_enlargebuf(EditLine *el, size_t oldsz, size_t newsz)
196 	newbuf = realloc(el->el_history.buf, newsz);
202 	el->el_history.last = newbuf +
203 				(el->el_history.last - el->el_history.buf);
204 	el->el_history.buf = newbuf;
205 	el->el_history.sz  = newsz;