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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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124
cmd-line-utils/libedit/parse.c
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@ -1,4 +1,4 @@
/* $NetBSD: parse.c,v 1.22 2005/05/29 04:58:15 lukem Exp $ */
/* $NetBSD: parse.c,v 1.26 2011/08/16 16:25:15 christos Exp $ */
/*-
* Copyright (c) 1992, 1993
@ -57,17 +57,17 @@ static char sccsid[] = "@(#)parse.c 8.1 (Berkeley) 6/4/93";
#include <stdlib.h>
private const struct {
const char *name;
int (*func)(EditLine *, int, const char **);
const Char *name;
int (*func)(EditLine *, int, const Char **);
} cmds[] = {
{ "bind", map_bind },
{ "echotc", term_echotc },
{ "edit", el_editmode },
{ "history", hist_command },
{ "telltc", term_telltc },
{ "settc", term_settc },
{ "setty", tty_stty },
{ NULL, NULL }
{ STR("bind"), map_bind },
{ STR("echotc"), terminal_echotc },
{ STR("edit"), el_editmode },
{ STR("history"), hist_command },
{ STR("telltc"), terminal_telltc },
{ STR("settc"), terminal_settc },
{ STR("setty"), tty_stty },
{ NULL, NULL }
};
@ -75,17 +75,17 @@ private const struct {
* Parse a line and dispatch it
*/
protected int
parse_line(EditLine *el, const char *line)
parse_line(EditLine *el, const Char *line)
{
const char **argv;
const Char **argv;
int argc;
Tokenizer *tok;
TYPE(Tokenizer) *tok;
tok = tok_init(NULL);
tok_str(tok, line, &argc, &argv);
argc = el_parse(el, argc, argv);
tok_end(tok);
return (argc);
tok = FUN(tok,init)(NULL);
FUN(tok,str)(tok, line, &argc, &argv);
argc = FUN(el,parse)(el, argc, argv);
FUN(tok,end)(tok);
return argc;
}
@ -93,57 +93,57 @@ parse_line(EditLine *el, const char *line)
* Command dispatcher
*/
public int
el_parse(EditLine *el, int argc, const char *argv[])
FUN(el,parse)(EditLine *el, int argc, const Char *argv[])
{
const char *ptr;
const Char *ptr;
int i;
if (argc < 1)
return (-1);
ptr = strchr(argv[0], ':');
return -1;
ptr = Strchr(argv[0], ':');
if (ptr != NULL) {
char *tprog;
Char *tprog;
size_t l;
if (ptr == argv[0])
return (0);
l = ptr - argv[0] - 1;
tprog = (char *) el_malloc(l + 1);
return 0;
l = (size_t)(ptr - argv[0] - 1);
tprog = el_malloc((l + 1) * sizeof(*tprog));
if (tprog == NULL)
return (0);
(void) strncpy(tprog, argv[0], l);
return 0;
(void) Strncpy(tprog, argv[0], l);
tprog[l] = '\0';
ptr++;
l = el_match(el->el_prog, tprog);
l = (size_t)el_match(el->el_prog, tprog);
el_free(tprog);
if (!l)
return (0);
return 0;
} else
ptr = argv[0];
for (i = 0; cmds[i].name != NULL; i++)
if (strcmp(cmds[i].name, ptr) == 0) {
if (Strcmp(cmds[i].name, ptr) == 0) {
i = (*cmds[i].func) (el, argc, argv);
return (-i);
return -i;
}
return (-1);
return -1;
}
/* parse__escape():
* Parse a string of the form ^<char> \<odigit> \<char> and return
* Parse a string of the form ^<char> \<odigit> \<char> \U+xxxx and return
* the appropriate character or -1 if the escape is not valid
*/
protected int
parse__escape(const char **ptr)
parse__escape(const Char **ptr)
{
const char *p;
int c;
const Char *p;
Int c;
p = *ptr;
if (p[1] == 0)
return (-1);
return -1;
if (*p == '\\') {
p++;
@ -172,6 +172,28 @@ parse__escape(const char **ptr)
case 'e':
c = '\033'; /* Escape */
break;
case 'U': /* Unicode \U+xxxx or \U+xxxxx format */
{
int i;
const Char hex[] = STR("0123456789ABCDEF");
const Char *h;
++p;
if (*p++ != '+')
return -1;
c = 0;
for (i = 0; i < 5; ++i) {
h = Strchr(hex, *p++);
if (!h && i < 4)
return -1;
else if (h)
c = (c << 4) | ((int)(h - hex));
else
--p;
}
if (c > 0x10FFFF) /* outside valid character range */
return -1;
break;
}
case '0':
case '1':
case '2':
@ -191,8 +213,8 @@ parse__escape(const char **ptr)
}
c = (c << 3) | (ch - '0');
}
if ((c & 0xffffff00) != 0)
return (-1);
if ((c & (wint_t)0xffffff00) != (wint_t)0)
return -1;
--p;
break;
}
@ -206,28 +228,28 @@ parse__escape(const char **ptr)
} else
c = *p;
*ptr = ++p;
return (c);
return c;
}
/* parse__string():
* Parse the escapes from in and put the raw string out
*/
protected char *
parse__string(char *out, const char *in)
protected Char *
parse__string(Char *out, const Char *in)
{
char *rv = out;
Char *rv = out;
int n;
for (;;)
switch (*in) {
case '\0':
*out = '\0';
return (rv);
return rv;
case '\\':
case '^':
if ((n = parse__escape(&in)) == -1)
return (NULL);
return NULL;
*out++ = n;
break;
@ -251,12 +273,12 @@ parse__string(char *out, const char *in)
* or -1 if one is not found
*/
protected int
parse_cmd(EditLine *el, const char *cmd)
parse_cmd(EditLine *el, const Char *cmd)
{
el_bindings_t *b;
for (b = el->el_map.help; b->name != NULL; b++)
if (strcmp(b->name, cmd) == 0)
return (b->func);
return (-1);
if (Strcmp(b->name, cmd) == 0)
return b->func;
return -1;
}