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Updated libedit to NetBSD upstream

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Note: This unconditionally assumes wchar_t support.  May need revision
if some platforms prove problematic.
This commit is contained in:
Viktor Dukhovni
2016-11-13 15:49:16 +11:00
parent e1c1cdb1b6
commit 77ff7185d7
55 changed files with 6113 additions and 4536 deletions
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107
lib/libedit/src/tokenizer.c
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@@ -1,4 +1,4 @@
/* $NetBSD: tokenizer.c,v 1.18 2010/01/03 18:27:10 christos Exp $ */
/* $NetBSD: tokenizer.c,v 1.28 2016/04/11 18:56:31 christos Exp $ */
/*-
* Copyright (c) 1992, 1993
@@ -32,15 +32,12 @@
* SUCH DAMAGE.
*/
#ifndef NARROWCHAR
#include "config.h"
#endif
#if !defined(lint) && !defined(SCCSID)
#if 0
static char sccsid[] = "@(#)tokenizer.c 8.1 (Berkeley) 6/4/93";
#else
__RCSID("$NetBSD: tokenizer.c,v 1.18 2010/01/03 18:27:10 christos Exp $");
__RCSID("$NetBSD: tokenizer.c,v 1.28 2016/04/11 18:56:31 christos Exp $");
#endif
#endif /* not lint && not SCCSID */
@@ -48,10 +45,10 @@ __RCSID("$NetBSD: tokenizer.c,v 1.18 2010/01/03 18:27:10 christos Exp $");
/*
* tokenize.c: Bourne shell like tokenizer
*/
#include <string.h>
#include <stdlib.h>
#include <string.h>
#include "histedit.h"
#include "chartype.h"
typedef enum {
Q_none, Q_single, Q_double, Q_one, Q_doubleone
@@ -68,12 +65,26 @@ typedef enum {
#define tok_malloc(a) malloc(a)
#define tok_free(a) free(a)
#define tok_realloc(a, b) realloc(a, b)
#define tok_strdup(a) Strdup(a)
#ifdef NARROWCHAR
#define Char char
#define FUN(prefix, rest) prefix ## _ ## rest
#define TYPE(type) type
#define STR(x) x
#define Strchr(s, c) strchr(s, c)
#define tok_strdup(s) strdup(s)
#else
#define Char wchar_t
#define FUN(prefix, rest) prefix ## _w ## rest
#define TYPE(type) type ## W
#define STR(x) L ## x
#define Strchr(s, c) wcschr(s, c)
#define tok_strdup(s) wcsdup(s)
#endif
struct TYPE(tokenizer) {
Char *ifs; /* In field separator */
int argc, amax; /* Current and maximum number of args */
size_t argc, amax; /* Current and maximum number of args */
Char **argv; /* Argument list */
Char *wptr, *wmax; /* Space and limit on the word buffer */
Char *wstart; /* Beginning of next word */
@@ -83,13 +94,13 @@ struct TYPE(tokenizer) {
};
private void FUN(tok,finish)(TYPE(Tokenizer) *);
static void FUN(tok,finish)(TYPE(Tokenizer) *);
/* FUN(tok,finish)():
* Finish a word in the tokenizer.
*/
private void
static void
FUN(tok,finish)(TYPE(Tokenizer) *tok)
{
@@ -106,32 +117,32 @@ FUN(tok,finish)(TYPE(Tokenizer) *tok)
/* FUN(tok,init)():
* Initialize the tokenizer
*/
public TYPE(Tokenizer) *
TYPE(Tokenizer) *
FUN(tok,init)(const Char *ifs)
{
TYPE(Tokenizer) *tok = tok_malloc(sizeof(TYPE(Tokenizer)));
TYPE(Tokenizer) *tok = tok_malloc(sizeof(*tok));
if (tok == NULL)
return NULL;
tok->ifs = tok_strdup(ifs ? ifs : IFS);
if (tok->ifs == NULL) {
tok_free((ptr_t)tok);
tok_free(tok);
return NULL;
}
tok->argc = 0;
tok->amax = AINCR;
tok->argv = tok_malloc(sizeof(*tok->argv) * tok->amax);
if (tok->argv == NULL) {
tok_free((ptr_t)tok->ifs);
tok_free((ptr_t)tok);
tok_free(tok->ifs);
tok_free(tok);
return NULL;
}
tok->argv[0] = NULL;
tok->wspace = tok_malloc(WINCR * sizeof(*tok->wspace));
if (tok->wspace == NULL) {
tok_free((ptr_t)tok->argv);
tok_free((ptr_t)tok->ifs);
tok_free((ptr_t)tok);
tok_free(tok->argv);
tok_free(tok->ifs);
tok_free(tok);
return NULL;
}
tok->wmax = tok->wspace + WINCR;
@@ -140,14 +151,14 @@ FUN(tok,init)(const Char *ifs)
tok->flags = 0;
tok->quote = Q_none;
return (tok);
return tok;
}
/* FUN(tok,reset)():
* Reset the tokenizer
*/
public void
void
FUN(tok,reset)(TYPE(Tokenizer) *tok)
{
@@ -162,14 +173,14 @@ FUN(tok,reset)(TYPE(Tokenizer) *tok)
/* FUN(tok,end)():
* Clean up
*/
public void
void
FUN(tok,end)(TYPE(Tokenizer) *tok)
{
tok_free((ptr_t) tok->ifs);
tok_free((ptr_t) tok->wspace);
tok_free((ptr_t) tok->argv);
tok_free((ptr_t) tok);
tok_free(tok->ifs);
tok_free(tok->wspace);
tok_free(tok->argv);
tok_free(tok);
}
@@ -191,7 +202,7 @@ FUN(tok,end)(TYPE(Tokenizer) *tok)
* cursorc if !NULL, argv element containing cursor
* cursorv if !NULL, offset in argv[cursorc] of cursor
*/
public int
int
FUN(tok,line)(TYPE(Tokenizer) *tok, const TYPE(LineInfo) *line,
int *argc, const Char ***argv, int *cursorc, int *cursoro)
{
@@ -204,7 +215,7 @@ FUN(tok,line)(TYPE(Tokenizer) *tok, const TYPE(LineInfo) *line,
if (ptr >= line->lastchar)
ptr = STR("");
if (ptr == line->cursor) {
cc = tok->argc;
cc = (int)tok->argc;
co = (int)(tok->wptr - tok->wstart);
}
switch (*ptr) {
@@ -236,7 +247,7 @@ FUN(tok,line)(TYPE(Tokenizer) *tok, const TYPE(LineInfo) *line,
break;
default:
return (-1);
return -1;
}
break;
@@ -267,7 +278,7 @@ FUN(tok,line)(TYPE(Tokenizer) *tok, const TYPE(LineInfo) *line,
break;
default:
return (-1);
return -1;
}
break;
@@ -298,7 +309,7 @@ FUN(tok,line)(TYPE(Tokenizer) *tok, const TYPE(LineInfo) *line,
break;
default:
return (-1);
return -1;
}
break;
@@ -324,7 +335,7 @@ FUN(tok,line)(TYPE(Tokenizer) *tok, const TYPE(LineInfo) *line,
break;
default:
return (0);
return 0;
}
break;
@@ -334,15 +345,15 @@ FUN(tok,line)(TYPE(Tokenizer) *tok, const TYPE(LineInfo) *line,
/* Finish word and return */
if (tok->flags & TOK_EAT) {
tok->flags &= ~TOK_EAT;
return (3);
return 3;
}
goto tok_line_outok;
case Q_single:
return (1);
return 1;
case Q_double:
return (2);
return 2;
case Q_doubleone:
tok->quote = Q_double;
@@ -355,7 +366,7 @@ FUN(tok,line)(TYPE(Tokenizer) *tok, const TYPE(LineInfo) *line,
break;
default:
return (-1);
return -1;
}
break;
@@ -387,21 +398,21 @@ FUN(tok,line)(TYPE(Tokenizer) *tok, const TYPE(LineInfo) *line,
break;
default:
return (-1);
return -1;
}
break;
}
if (tok->wptr >= tok->wmax - 4) {
size_t size = tok->wmax - tok->wspace + WINCR;
size_t size = (size_t)(tok->wmax - tok->wspace + WINCR);
Char *s = tok_realloc(tok->wspace,
size * sizeof(*s));
if (s == NULL)
return (-1);
return -1;
if (s != tok->wspace) {
int i;
size_t i;
for (i = 0; i < tok->argc; i++) {
tok->argv[i] =
(tok->argv[i] - tok->wspace) + s;
@@ -416,14 +427,16 @@ FUN(tok,line)(TYPE(Tokenizer) *tok, const TYPE(LineInfo) *line,
Char **p;
tok->amax += AINCR;
p = tok_realloc(tok->argv, tok->amax * sizeof(*p));
if (p == NULL)
return (-1);
if (p == NULL) {
tok->amax -= AINCR;
return -1;
}
tok->argv = p;
}
}
tok_line_outok:
if (cc == -1 && co == -1) {
cc = tok->argc;
cc = (int)tok->argc;
co = (int)(tok->wptr - tok->wstart);
}
if (cursorc != NULL)
@@ -432,15 +445,15 @@ FUN(tok,line)(TYPE(Tokenizer) *tok, const TYPE(LineInfo) *line,
*cursoro = co;
FUN(tok,finish)(tok);
*argv = (const Char **)tok->argv;
*argc = tok->argc;
return (0);
*argc = (int)tok->argc;
return 0;
}
/* FUN(tok,str)():
* Simpler version of tok_line, taking a NUL terminated line
* and splitting into words, ignoring cursor state.
*/
public int
int
FUN(tok,str)(TYPE(Tokenizer) *tok, const Char *line, int *argc,
const Char ***argv)
{
@@ -449,5 +462,5 @@ FUN(tok,str)(TYPE(Tokenizer) *tok, const Char *line, int *argc,
memset(&li, 0, sizeof(li));
li.buffer = line;
li.cursor = li.lastchar = Strchr(line, '\0');
return (FUN(tok,line)(tok, &li, argc, argv, NULL, NULL));
return FUN(tok,line)(tok, &li, argc, argv, NULL, NULL);
}