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WL#5945 : Improve libedit library

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Updated libedit library.
This commit is contained in:
Nirbhay Choubey
2011-10-14 01:03:25 +05:30
parent 41b97529d0
commit 05a38e7bf3
52 changed files with 5379 additions and 3000 deletions
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83
cmd-line-utils/libedit/prompt.c
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@ -1,4 +1,4 @@
/* $NetBSD: prompt.c,v 1.11 2003/08/07 16:44:32 agc Exp $ */
/* $NetBSD: prompt.c,v 1.20 2011/07/29 15:16:33 christos Exp $ */
/*-
* Copyright (c) 1992, 1993
@ -46,54 +46,66 @@ static char sccsid[] = "@(#)prompt.c 8.1 (Berkeley) 6/4/93";
#include <stdio.h>
#include "el.h"
private char *prompt_default(EditLine *);
private char *prompt_default_r(EditLine *);
private Char *prompt_default(EditLine *);
private Char *prompt_default_r(EditLine *);
/* prompt_default():
* Just a default prompt, in case the user did not provide one
*/
private char *
private Char *
/*ARGSUSED*/
prompt_default(EditLine *el __attribute__((__unused__)))
{
static char a[3] = {'?', ' ', '\0'};
static Char a[3] = {'?', ' ', '\0'};
return (a);
return a;
}
/* prompt_default_r():
* Just a default rprompt, in case the user did not provide one
*/
private char *
private Char *
/*ARGSUSED*/
prompt_default_r(EditLine *el __attribute__((__unused__)))
{
static char a[1] = {'\0'};
static Char a[1] = {'\0'};
return (a);
return a;
}
/* prompt_print():
* Print the prompt and update the prompt position.
* We use an array of integers in case we want to pass
* literal escape sequences in the prompt and we want a
* bit to flag them
*/
protected void
prompt_print(EditLine *el, int op)
{
el_prompt_t *elp;
char *p;
Char *p;
int ignore = 0;
if (op == EL_PROMPT)
elp = &el->el_prompt;
else
elp = &el->el_rprompt;
p = (elp->p_func) (el);
while (*p)
re_putc(el, *p++, 1);
if (elp->p_wide)
p = (*elp->p_func)(el);
else
p = ct_decode_string((char *)(void *)(*elp->p_func)(el),
&el->el_scratch);
for (; *p; p++) {
if (elp->p_ignore == *p) {
ignore = !ignore;
continue;
}
if (ignore)
terminal__putc(el, *p);
else
re_putc(el, *p, 1);
}
elp->p_pos.v = el->el_refresh.r_cursor.v;
elp->p_pos.h = el->el_refresh.r_cursor.h;
@ -110,10 +122,12 @@ prompt_init(EditLine *el)
el->el_prompt.p_func = prompt_default;
el->el_prompt.p_pos.v = 0;
el->el_prompt.p_pos.h = 0;
el->el_prompt.p_ignore = '\0';
el->el_rprompt.p_func = prompt_default_r;
el->el_rprompt.p_pos.v = 0;
el->el_rprompt.p_pos.h = 0;
return (0);
el->el_rprompt.p_ignore = '\0';
return 0;
}
@ -131,24 +145,31 @@ prompt_end(EditLine *el __attribute__((__unused__)))
* Install a prompt printing function
*/
protected int
prompt_set(EditLine *el, el_pfunc_t prf, int op)
prompt_set(EditLine *el, el_pfunc_t prf, Char c, int op, int wide)
{
el_prompt_t *p;
if (op == EL_PROMPT)
if (op == EL_PROMPT || op == EL_PROMPT_ESC)
p = &el->el_prompt;
else
p = &el->el_rprompt;
if (prf == NULL) {
if (op == EL_PROMPT)
if (op == EL_PROMPT || op == EL_PROMPT_ESC)
p->p_func = prompt_default;
else
p->p_func = prompt_default_r;
} else
} else {
p->p_func = prf;
}
p->p_ignore = c;
p->p_pos.v = 0;
p->p_pos.h = 0;
return (0);
p->p_wide = wide;
return 0;
}
@ -156,14 +177,22 @@ prompt_set(EditLine *el, el_pfunc_t prf, int op)
* Retrieve the prompt printing function
*/
protected int
prompt_get(EditLine *el, el_pfunc_t *prf, int op)
prompt_get(EditLine *el, el_pfunc_t *prf, Char *c, int op)
{
el_prompt_t *p;
if (prf == NULL)
return (-1);
return -1;
if (op == EL_PROMPT)
*prf = el->el_prompt.p_func;
p = &el->el_prompt;
else
*prf = el->el_rprompt.p_func;
return (0);
p = &el->el_rprompt;
if (prf)
*prf = p->p_func;
if (c)
*c = p->p_ignore;
return 0;
}