Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 29 Mar 2021 08:06:49 GMT
From:      Baptiste Daroussin <bapt@FreeBSD.org>
To:        src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org
Subject:   git: 19318a62d7f8 - main - libedit: vendor import libedit 2021-03-28
Message-ID:  <202103290806.12T86nIw054646@gitrepo.freebsd.org>

next in thread | raw e-mail | index | archive | help
The branch main has been updated by bapt:

URL: https://cgit.FreeBSD.org/src/commit/?id=19318a62d7f8cfe2f0f5c24178fa33e8844ae5d1

commit 19318a62d7f8cfe2f0f5c24178fa33e8844ae5d1
Merge: cb0dd7e122b8 31595a7c3a4a
Author:     Baptiste Daroussin <bapt@FreeBSD.org>
AuthorDate: 2021-03-29 08:05:18 +0000
Commit:     Baptiste Daroussin <bapt@FreeBSD.org>
CommitDate: 2021-03-29 08:05:55 +0000

    libedit: vendor import libedit 2021-03-28
    
    It contains changes pushed by pstef@ when working on improving the
    completion for /bin/sh

 contrib/libedit/filecomplete.c | 47 ++++++++++++++++++++++++++++--------------
 contrib/libedit/filecomplete.h |  8 ++++++-
 2 files changed, 39 insertions(+), 16 deletions(-)

diff --cc contrib/libedit/filecomplete.c
index 61579024926c,000000000000..8279d7ff82b6
mode 100644,000000..100644
--- a/contrib/libedit/filecomplete.c
+++ b/contrib/libedit/filecomplete.c
@@@ -1,840 -1,0 +1,857 @@@
- /*	$NetBSD: filecomplete.c,v 1.64 2020/01/05 07:12:05 abhinav Exp $	*/
++/*	$NetBSD: filecomplete.c,v 1.67 2021/03/28 13:39:39 christos Exp $	*/
 +
 +/*-
 + * Copyright (c) 1997 The NetBSD Foundation, Inc.
 + * All rights reserved.
 + *
 + * This code is derived from software contributed to The NetBSD Foundation
 + * by Jaromir Dolecek.
 + *
 + * Redistribution and use in source and binary forms, with or without
 + * modification, are permitted provided that the following conditions
 + * are met:
 + * 1. Redistributions of source code must retain the above copyright
 + *    notice, this list of conditions and the following disclaimer.
 + * 2. Redistributions in binary form must reproduce the above copyright
 + *    notice, this list of conditions and the following disclaimer in the
 + *    documentation and/or other materials provided with the distribution.
 + *
 + * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 + * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 + * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 + * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 + * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 + * POSSIBILITY OF SUCH DAMAGE.
 + */
 +
 +#include "config.h"
 +#if !defined(lint) && !defined(SCCSID)
- __RCSID("$NetBSD: filecomplete.c,v 1.64 2020/01/05 07:12:05 abhinav Exp $");
++__RCSID("$NetBSD: filecomplete.c,v 1.67 2021/03/28 13:39:39 christos Exp $");
 +#endif /* not lint && not SCCSID */
 +
 +#include <sys/types.h>
 +#include <sys/stat.h>
 +#include <dirent.h>
 +#include <errno.h>
 +#include <fcntl.h>
 +#include <limits.h>
 +#include <pwd.h>
 +#include <stdio.h>
 +#include <stdlib.h>
 +#include <string.h>
 +#include <unistd.h>
 +
 +#include "el.h"
 +#include "filecomplete.h"
 +
 +static const wchar_t break_chars[] = L" \t\n\"\\'`@$><=;|&{(";
 +
 +/********************************/
 +/* completion functions */
 +
 +/*
 + * does tilde expansion of strings of type ``~user/foo''
 + * if ``user'' isn't valid user name or ``txt'' doesn't start
 + * w/ '~', returns pointer to strdup()ed copy of ``txt''
 + *
 + * it's the caller's responsibility to free() the returned string
 + */
 +char *
 +fn_tilde_expand(const char *txt)
 +{
 +#if defined(HAVE_GETPW_R_POSIX) || defined(HAVE_GETPW_R_DRAFT)
 +	struct passwd pwres;
 +	char pwbuf[1024];
 +#endif
 +	struct passwd *pass;
 +	char *temp;
 +	size_t len = 0;
 +
 +	if (txt[0] != '~')
 +		return strdup(txt);
 +
 +	temp = strchr(txt + 1, '/');
 +	if (temp == NULL) {
 +		temp = strdup(txt + 1);
 +		if (temp == NULL)
 +			return NULL;
 +	} else {
 +		/* text until string after slash */
 +		len = (size_t)(temp - txt + 1);
 +		temp = el_calloc(len, sizeof(*temp));
 +		if (temp == NULL)
 +			return NULL;
 +		(void)strlcpy(temp, txt + 1, len - 1);
 +	}
 +	if (temp[0] == 0) {
 +#ifdef HAVE_GETPW_R_POSIX
 +		if (getpwuid_r(getuid(), &pwres, pwbuf, sizeof(pwbuf),
 +		    &pass) != 0)
 +			pass = NULL;
 +#elif HAVE_GETPW_R_DRAFT
 +		pass = getpwuid_r(getuid(), &pwres, pwbuf, sizeof(pwbuf));
 +#else
 +		pass = getpwuid(getuid());
 +#endif
 +	} else {
 +#ifdef HAVE_GETPW_R_POSIX
 +		if (getpwnam_r(temp, &pwres, pwbuf, sizeof(pwbuf), &pass) != 0)
 +			pass = NULL;
 +#elif HAVE_GETPW_R_DRAFT
 +		pass = getpwnam_r(temp, &pwres, pwbuf, sizeof(pwbuf));
 +#else
 +		pass = getpwnam(temp);
 +#endif
 +	}
 +	el_free(temp);		/* value no more needed */
 +	if (pass == NULL)
 +		return strdup(txt);
 +
 +	/* update pointer txt to point at string immedially following */
 +	/* first slash */
 +	txt += len;
 +
 +	len = strlen(pass->pw_dir) + 1 + strlen(txt) + 1;
 +	temp = el_calloc(len, sizeof(*temp));
 +	if (temp == NULL)
 +		return NULL;
 +	(void)snprintf(temp, len, "%s/%s", pass->pw_dir, txt);
 +
 +	return temp;
 +}
 +
 +static int
 +needs_escaping(char c)
 +{
 +	switch (c) {
 +	case '\'':
 +	case '"':
 +	case '(':
 +	case ')':
 +	case '\\':
 +	case '<':
 +	case '>':
 +	case '$':
 +	case '#':
 +	case ' ':
 +	case '\n':
 +	case '\t':
 +	case '?':
 +	case ';':
 +	case '`':
 +	case '@':
 +	case '=':
 +	case '|':
 +	case '{':
 +	case '}':
 +	case '&':
 +	case '*':
 +	case '[':
 +		return 1;
 +	default:
 +		return 0;
 +	}
 +}
 +
 +static int
 +needs_dquote_escaping(char c)
 +{
 +	switch (c) {
 +	case '"':
 +	case '\\':
 +	case '`':
 +	case '$':
 +		return 1;
 +	default:
 +		return 0;
 +	}
 +}
 +
 +
 +static wchar_t *
 +unescape_string(const wchar_t *string, size_t length)
 +{
 +	size_t i;
 +	size_t j = 0;
 +	wchar_t *unescaped = el_calloc(length + 1, sizeof(*string));
 +	if (unescaped == NULL)
 +		return NULL;
 +	for (i = 0; i < length ; i++) {
 +		if (string[i] == '\\')
 +			continue;
 +		unescaped[j++] = string[i];
 +	}
 +	unescaped[j] = 0;
 +	return unescaped;
 +}
 +
 +static char *
 +escape_filename(EditLine * el, const char *filename, int single_match,
 +		const char *(*app_func)(const char *))
 +{
 +	size_t original_len = 0;
 +	size_t escaped_character_count = 0;
 +	size_t offset = 0;
 +	size_t newlen;
 +	const char *s;
 +	char c;
 +	size_t s_quoted = 0;	/* does the input contain a single quote */
 +	size_t d_quoted = 0;	/* does the input contain a double quote */
 +	char *escaped_str;
 +	wchar_t *temp = el->el_line.buffer;
 +	const char *append_char = NULL;
 +
 +	if (filename == NULL)
 +		return NULL;
 +
 +	while (temp != el->el_line.cursor) {
 +		/*
 +		 * If we see a single quote but have not seen a double quote
 +		 * so far set/unset s_quote
 +		 */
 +		if (temp[0] == '\'' && !d_quoted)
 +			s_quoted = !s_quoted;
 +		/*
 +		 * vice versa to the above condition
 +		 */
 +		else if (temp[0] == '"' && !s_quoted)
 +			d_quoted = !d_quoted;
 +		temp++;
 +	}
 +
 +	/* Count number of special characters so that we can calculate
 +	 * number of extra bytes needed in the new string
 +	 */
 +	for (s = filename; *s; s++, original_len++) {
 +		c = *s;
 +		/* Inside a single quote only single quotes need escaping */
 +		if (s_quoted && c == '\'') {
 +			escaped_character_count += 3;
 +			continue;
 +		}
 +		/* Inside double quotes only ", \, ` and $ need escaping */
 +		if (d_quoted && needs_dquote_escaping(c)) {
 +			escaped_character_count++;
 +			continue;
 +		}
 +		if (!s_quoted && !d_quoted && needs_escaping(c))
 +			escaped_character_count++;
 +	}
 +
 +	newlen = original_len + escaped_character_count + 1;
 +	if (s_quoted || d_quoted)
 +		newlen++;
 +
 +	if (single_match && app_func)
 +		newlen++;
 +
 +	if ((escaped_str = el_malloc(newlen)) == NULL)
 +		return NULL;
 +
 +	for (s = filename; *s; s++) {
 +		c = *s;
 +		if (!needs_escaping(c)) {
 +			/* no escaping is required continue as usual */
 +			escaped_str[offset++] = c;
 +			continue;
 +		}
 +
 +		/* single quotes inside single quotes require special handling */
 +		if (c == '\'' && s_quoted) {
 +			escaped_str[offset++] = '\'';
 +			escaped_str[offset++] = '\\';
 +			escaped_str[offset++] = '\'';
 +			escaped_str[offset++] = '\'';
 +			continue;
 +		}
 +
 +		/* Otherwise no escaping needed inside single quotes */
 +		if (s_quoted) {
 +			escaped_str[offset++] = c;
 +			continue;
 +		}
 +
 +		/* No escaping needed inside a double quoted string either
 +		 * unless we see a '$', '\', '`', or '"' (itself)
 +		 */
 +		if (d_quoted && !needs_dquote_escaping(c)) {
 +			escaped_str[offset++] = c;
 +			continue;
 +		}
 +
 +		/* If we reach here that means escaping is actually needed */
 +		escaped_str[offset++] = '\\';
 +		escaped_str[offset++] = c;
 +	}
 +
 +	if (single_match && app_func) {
 +		escaped_str[offset] = 0;
- 		append_char = app_func(escaped_str);
++		append_char = app_func(filename);
 +		/* we want to append space only if we are not inside quotes */
 +		if (append_char[0] == ' ') {
 +			if (!s_quoted && !d_quoted)
 +				escaped_str[offset++] = append_char[0];
 +		} else
 +			escaped_str[offset++] = append_char[0];
 +	}
 +
 +	/* close the quotes if single match and the match is not a directory */
 +	if (single_match && (append_char && append_char[0] == ' ')) { 
 +		if (s_quoted)
 +			escaped_str[offset++] = '\'';
 +		else if (d_quoted)
 +			escaped_str[offset++] = '"';
 +	}
 +
 +	escaped_str[offset] = 0;
 +	return escaped_str;
 +}
 +
 +/*
 + * return first found file name starting by the ``text'' or NULL if no
 + * such file can be found
 + * value of ``state'' is ignored
 + *
 + * it's the caller's responsibility to free the returned string
 + */
 +char *
 +fn_filename_completion_function(const char *text, int state)
 +{
 +	static DIR *dir = NULL;
 +	static char *filename = NULL, *dirname = NULL, *dirpath = NULL;
 +	static size_t filename_len = 0;
 +	struct dirent *entry;
 +	char *temp;
 +	size_t len;
 +
 +	if (state == 0 || dir == NULL) {
 +		temp = strrchr(text, '/');
 +		if (temp) {
 +			char *nptr;
 +			temp++;
 +			nptr = el_realloc(filename, (strlen(temp) + 1) *
 +			    sizeof(*nptr));
 +			if (nptr == NULL) {
 +				el_free(filename);
 +				filename = NULL;
 +				return NULL;
 +			}
 +			filename = nptr;
 +			(void)strcpy(filename, temp);
 +			len = (size_t)(temp - text);	/* including last slash */
 +
 +			nptr = el_realloc(dirname, (len + 1) *
 +			    sizeof(*nptr));
 +			if (nptr == NULL) {
 +				el_free(dirname);
 +				dirname = NULL;
 +				return NULL;
 +			}
 +			dirname = nptr;
 +			(void)strlcpy(dirname, text, len + 1);
 +		} else {
 +			el_free(filename);
 +			if (*text == 0)
 +				filename = NULL;
 +			else {
 +				filename = strdup(text);
 +				if (filename == NULL)
 +					return NULL;
 +			}
 +			el_free(dirname);
 +			dirname = NULL;
 +		}
 +
 +		if (dir != NULL) {
 +			(void)closedir(dir);
 +			dir = NULL;
 +		}
 +
 +		/* support for ``~user'' syntax */
 +
 +		el_free(dirpath);
 +		dirpath = NULL;
 +		if (dirname == NULL) {
 +			if ((dirname = strdup("")) == NULL)
 +				return NULL;
 +			dirpath = strdup("./");
 +		} else if (*dirname == '~')
 +			dirpath = fn_tilde_expand(dirname);
 +		else
 +			dirpath = strdup(dirname);
 +
 +		if (dirpath == NULL)
 +			return NULL;
 +
 +		dir = opendir(dirpath);
 +		if (!dir)
 +			return NULL;	/* cannot open the directory */
 +
 +		/* will be used in cycle */
 +		filename_len = filename ? strlen(filename) : 0;
 +	}
 +
 +	/* find the match */
 +	while ((entry = readdir(dir)) != NULL) {
 +		/* skip . and .. */
 +		if (entry->d_name[0] == '.' && (!entry->d_name[1]
 +		    || (entry->d_name[1] == '.' && !entry->d_name[2])))
 +			continue;
 +		if (filename_len == 0)
 +			break;
 +		/* otherwise, get first entry where first */
 +		/* filename_len characters are equal	  */
 +		if (entry->d_name[0] == filename[0]
 +#if HAVE_STRUCT_DIRENT_D_NAMLEN
 +		    && entry->d_namlen >= filename_len
 +#else
 +		    && strlen(entry->d_name) >= filename_len
 +#endif
 +		    && strncmp(entry->d_name, filename,
 +			filename_len) == 0)
 +			break;
 +	}
 +
 +	if (entry) {		/* match found */
 +
 +#if HAVE_STRUCT_DIRENT_D_NAMLEN
 +		len = entry->d_namlen;
 +#else
 +		len = strlen(entry->d_name);
 +#endif
 +
 +		len = strlen(dirname) + len + 1;
 +		temp = el_calloc(len, sizeof(*temp));
 +		if (temp == NULL)
 +			return NULL;
 +		(void)snprintf(temp, len, "%s%s", dirname, entry->d_name);
 +	} else {
 +		(void)closedir(dir);
 +		dir = NULL;
 +		temp = NULL;
 +	}
 +
 +	return temp;
 +}
 +
 +
 +static const char *
 +append_char_function(const char *name)
 +{
 +	struct stat stbuf;
 +	char *expname = *name == '~' ? fn_tilde_expand(name) : NULL;
 +	const char *rs = " ";
 +
 +	if (stat(expname ? expname : name, &stbuf) == -1)
 +		goto out;
 +	if (S_ISDIR(stbuf.st_mode))
 +		rs = "/";
 +out:
 +	if (expname)
 +		el_free(expname);
 +	return rs;
 +}
 +/*
 + * returns list of completions for text given
 + * non-static for readline.
 + */
 +char ** completion_matches(const char *, char *(*)(const char *, int));
 +char **
 +completion_matches(const char *text, char *(*genfunc)(const char *, int))
 +{
 +	char **match_list = NULL, *retstr, *prevstr;
 +	size_t match_list_len, max_equal, which, i;
 +	size_t matches;
 +
 +	matches = 0;
 +	match_list_len = 1;
 +	while ((retstr = (*genfunc) (text, (int)matches)) != NULL) {
 +		/* allow for list terminator here */
 +		if (matches + 3 >= match_list_len) {
 +			char **nmatch_list;
 +			while (matches + 3 >= match_list_len)
 +				match_list_len <<= 1;
 +			nmatch_list = el_realloc(match_list,
 +			    match_list_len * sizeof(*nmatch_list));
 +			if (nmatch_list == NULL) {
 +				el_free(match_list);
 +				return NULL;
 +			}
 +			match_list = nmatch_list;
 +
 +		}
 +		match_list[++matches] = retstr;
 +	}
 +
 +	if (!match_list)
 +		return NULL;	/* nothing found */
 +
 +	/* find least denominator and insert it to match_list[0] */
 +	which = 2;
 +	prevstr = match_list[1];
 +	max_equal = strlen(prevstr);
 +	for (; which <= matches; which++) {
 +		for (i = 0; i < max_equal &&
 +		    prevstr[i] == match_list[which][i]; i++)
 +			continue;
 +		max_equal = i;
 +	}
 +
 +	retstr = el_calloc(max_equal + 1, sizeof(*retstr));
 +	if (retstr == NULL) {
 +		el_free(match_list);
 +		return NULL;
 +	}
 +	(void)strlcpy(retstr, match_list[1], max_equal + 1);
 +	match_list[0] = retstr;
 +
 +	/* add NULL as last pointer to the array */
 +	match_list[matches + 1] = NULL;
 +
 +	return match_list;
 +}
 +
 +/*
 + * Sort function for qsort(). Just wrapper around strcasecmp().
 + */
 +static int
 +_fn_qsort_string_compare(const void *i1, const void *i2)
 +{
 +	const char *s1 = ((const char * const *)i1)[0];
 +	const char *s2 = ((const char * const *)i2)[0];
 +
 +	return strcasecmp(s1, s2);
 +}
 +
 +/*
 + * Display list of strings in columnar format on readline's output stream.
 + * 'matches' is list of strings, 'num' is number of strings in 'matches',
 + * 'width' is maximum length of string in 'matches'.
 + *
 + * matches[0] is not one of the match strings, but it is counted in
 + * num, so the strings are matches[1] *through* matches[num-1].
 + */
 +void
 +fn_display_match_list(EditLine * el, char **matches, size_t num, size_t width,
 +    const char *(*app_func) (const char *))
 +{
 +	size_t line, lines, col, cols, thisguy;
 +	int screenwidth = el->el_terminal.t_size.h;
 +	if (app_func == NULL)
 +		app_func = append_char_function;
 +
 +	/* Ignore matches[0]. Avoid 1-based array logic below. */
 +	matches++;
 +	num--;
 +
 +	/*
 +	 * Find out how many entries can be put on one line; count
 +	 * with one space between strings the same way it's printed.
 +	 */
 +	cols = (size_t)screenwidth / (width + 2);
 +	if (cols == 0)
 +		cols = 1;
 +
 +	/* how many lines of output, rounded up */
 +	lines = (num + cols - 1) / cols;
 +
 +	/* Sort the items. */
 +	qsort(matches, num, sizeof(char *), _fn_qsort_string_compare);
 +
 +	/*
 +	 * On the ith line print elements i, i+lines, i+lines*2, etc.
 +	 */
 +	for (line = 0; line < lines; line++) {
 +		for (col = 0; col < cols; col++) {
 +			thisguy = line + col * lines;
 +			if (thisguy >= num)
 +				break;
 +			(void)fprintf(el->el_outfile, "%s%s%s",
 +			    col == 0 ? "" : " ", matches[thisguy],
 +				(*app_func)(matches[thisguy]));
 +			(void)fprintf(el->el_outfile, "%-*s",
 +				(int) (width - strlen(matches[thisguy])), "");
 +		}
 +		(void)fprintf(el->el_outfile, "\n");
 +	}
 +}
 +
 +static wchar_t *
 +find_word_to_complete(const wchar_t * cursor, const wchar_t * buffer,
 +    const wchar_t * word_break, const wchar_t * special_prefixes, size_t * length,
 +	int do_unescape)
 +{
 +	/* We now look backwards for the start of a filename/variable word */
 +	const wchar_t *ctemp = cursor;
 +	wchar_t *temp;
 +	size_t len;
 +
 +	/* if the cursor is placed at a slash or a quote, we need to find the
 +	 * word before it
 +	 */
 +	if (ctemp > buffer) {
 +		switch (ctemp[-1]) {
 +		case '\\':
 +		case '\'':
 +		case '"':
 +			ctemp--;
 +			break;
 +		default:
 +			break;
 +		}
 +	}
 +
 +	for (;;) {
 +		if (ctemp <= buffer)
 +			break;
 +		if (wcschr(word_break, ctemp[-1])) {
 +			if (ctemp - buffer >= 2 && ctemp[-2] == '\\') {
 +				ctemp -= 2;
 +				continue;
 +			}
 +			break;
 +		}
 +		if (special_prefixes && wcschr(special_prefixes, ctemp[-1]))
 +			break;
 +		ctemp--;
 +	}
 +
 +	len = (size_t) (cursor - ctemp);
 +	if (len == 1 && (ctemp[0] == '\'' || ctemp[0] == '"')) {
 +		len = 0;
 +		ctemp++;
 +	}
 +	*length = len;
 +	if (do_unescape) {
 +		wchar_t *unescaped_word = unescape_string(ctemp, len);
 +		if (unescaped_word == NULL)
 +			return NULL;
 +		return unescaped_word;
 +	}
 +	temp = el_malloc((len + 1) * sizeof(*temp));
 +	(void) wcsncpy(temp, ctemp, len);
 +	temp[len] = '\0';
 +	return temp;
 +}
 +
 +/*
 + * Complete the word at or before point,
 + * 'what_to_do' says what to do with the completion.
 + * \t   means do standard completion.
 + * `?' means list the possible completions.
 + * `*' means insert all of the possible completions.
 + * `!' means to do standard completion, and list all possible completions if
 + * there is more than one.
 + *
 + * Note: '*' support is not implemented
 + *       '!' could never be invoked
 + */
 +int
- fn_complete(EditLine *el,
- 	char *(*complet_func)(const char *, int),
- 	char **(*attempted_completion_function)(const char *, int, int),
- 	const wchar_t *word_break, const wchar_t *special_prefixes,
- 	const char *(*app_func)(const char *), size_t query_items,
- 	int *completion_type, int *over, int *point, int *end)
++fn_complete2(EditLine *el,
++    char *(*complete_func)(const char *, int),
++    char **(*attempted_completion_function)(const char *, int, int),
++    const wchar_t *word_break, const wchar_t *special_prefixes,
++    const char *(*app_func)(const char *), size_t query_items,
++    int *completion_type, int *over, int *point, int *end,
++    unsigned int flags)
 +{
 +	const LineInfoW *li;
 +	wchar_t *temp;
 +	char **matches;
 +	char *completion;
 +	size_t len;
 +	int what_to_do = '\t';
 +	int retval = CC_NORM;
- 	int do_unescape = attempted_completion_function == NULL? 1: 0;
++	int do_unescape = flags & FN_QUOTE_MATCH;
 +
 +	if (el->el_state.lastcmd == el->el_state.thiscmd)
 +		what_to_do = '?';
 +
 +	/* readline's rl_complete() has to be told what we did... */
 +	if (completion_type != NULL)
 +		*completion_type = what_to_do;
 +
- 	if (!complet_func)
- 		complet_func = fn_filename_completion_function;
++	if (!complete_func)
++		complete_func = fn_filename_completion_function;
 +	if (!app_func)
 +		app_func = append_char_function;
 +
 +	li = el_wline(el);
 +	temp = find_word_to_complete(li->cursor,
 +	    li->buffer, word_break, special_prefixes, &len, do_unescape);
 +	if (temp == NULL)
 +		goto out;
 +
 +	/* these can be used by function called in completion_matches() */
 +	/* or (*attempted_completion_function)() */
 +	if (point != NULL)
 +		*point = (int)(li->cursor - li->buffer);
 +	if (end != NULL)
 +		*end = (int)(li->lastchar - li->buffer);
 +
 +	if (attempted_completion_function) {
 +		int cur_off = (int)(li->cursor - li->buffer);
 +		matches = (*attempted_completion_function)(
 +		    ct_encode_string(temp, &el->el_scratch),
 +		    cur_off - (int)len, cur_off);
 +	} else
 +		matches = NULL;
 +	if (!attempted_completion_function ||
 +	    (over != NULL && !*over && !matches))
 +		matches = completion_matches(
- 		    ct_encode_string(temp, &el->el_scratch), complet_func);
++		    ct_encode_string(temp, &el->el_scratch), complete_func);
 +
 +	if (over != NULL)
 +		*over = 0;
 +
 +	if (matches == NULL) {
 +		goto out;
 +	}
 +	int i;
 +	size_t matches_num, maxlen, match_len, match_display=1;
 +	int single_match = matches[2] == NULL &&
 +		(matches[1] == NULL || strcmp(matches[0], matches[1]) == 0);
 +
 +	retval = CC_REFRESH;
 +
 +	if (matches[0][0] != '\0') {
 +		el_deletestr(el, (int)len);
- 		if (!attempted_completion_function)
++		if (flags & FN_QUOTE_MATCH)
 +			completion = escape_filename(el, matches[0],
 +			    single_match, app_func);
 +		else
 +			completion = strdup(matches[0]);
 +		if (completion == NULL)
 +			goto out;
 +
 +		/*
 +		 * Replace the completed string with the common part of
 +		 * all possible matches if there is a possible completion.
 +		 */
 +		el_winsertstr(el,
 +		    ct_decode_string(completion, &el->el_scratch));
 +
- 		if (single_match && attempted_completion_function) {
++		if (single_match && attempted_completion_function &&
++		    !(flags & FN_QUOTE_MATCH))
++		{
 +			/*
 +			 * We found an exact match. Add a space after
 +			 * it, unless we do filename completion and the
 +			 * object is a directory. Also do necessary
 +			 * escape quoting
 +			 */
 +			el_winsertstr(el, ct_decode_string(
 +			    (*app_func)(completion), &el->el_scratch));
 +		}
 +		free(completion);
 +	}
 +
 +
 +	if (!single_match && (what_to_do == '!' || what_to_do == '?')) {
 +		/*
 +		 * More than one match and requested to list possible
 +		 * matches.
 +		 */
 +
 +		for(i = 1, maxlen = 0; matches[i]; i++) {
 +			match_len = strlen(matches[i]);
 +			if (match_len > maxlen)
 +				maxlen = match_len;
 +		}
 +		/* matches[1] through matches[i-1] are available */
 +		matches_num = (size_t)(i - 1);
 +
 +		/* newline to get on next line from command line */
 +		(void)fprintf(el->el_outfile, "\n");
 +
 +		/*
 +		 * If there are too many items, ask user for display
 +		 * confirmation.
 +		 */
 +		if (matches_num > query_items) {
 +			(void)fprintf(el->el_outfile,
 +			    "Display all %zu possibilities? (y or n) ",
 +			    matches_num);
 +			(void)fflush(el->el_outfile);
 +			if (getc(stdin) != 'y')
 +				match_display = 0;
 +			(void)fprintf(el->el_outfile, "\n");
 +		}
 +
 +		if (match_display) {
 +			/*
 +			 * Interface of this function requires the
 +			 * strings be matches[1..num-1] for compat.
 +			 * We have matches_num strings not counting
 +			 * the prefix in matches[0], so we need to
 +			 * add 1 to matches_num for the call.
 +			 */
 +			fn_display_match_list(el, matches,
 +			    matches_num+1, maxlen, app_func);
 +		}
 +		retval = CC_REDISPLAY;
 +	} else if (matches[0][0]) {
 +		/*
 +		 * There was some common match, but the name was
 +		 * not complete enough. Next tab will print possible
 +		 * completions.
 +		 */
 +		el_beep(el);
 +	} else {
 +		/* lcd is not a valid object - further specification */
 +		/* is needed */
 +		el_beep(el);
 +		retval = CC_NORM;
 +	}
 +
 +	/* free elements of array and the array itself */
 +	for (i = 0; matches[i]; i++)
 +		el_free(matches[i]);
 +	el_free(matches);
 +	matches = NULL;
 +
 +out:
 +	el_free(temp);
 +	return retval;
 +}
 +
++int
++fn_complete(EditLine *el,
++    char *(*complete_func)(const char *, int),
++    char **(*attempted_completion_function)(const char *, int, int),
++    const wchar_t *word_break, const wchar_t *special_prefixes,
++    const char *(*app_func)(const char *), size_t query_items,
++    int *completion_type, int *over, int *point, int *end)
++{
++	return fn_complete2(el, complete_func, attempted_completion_function,
++	    word_break, special_prefixes, app_func, query_items,
++	    completion_type, over, point, end,
++	    attempted_completion_function ? 0 : FN_QUOTE_MATCH);
++}
++
 +/*
 + * el-compatible wrapper around rl_complete; needed for key binding
 + */
 +/* ARGSUSED */
 +unsigned char
 +_el_fn_complete(EditLine *el, int ch __attribute__((__unused__)))
 +{
 +	return (unsigned char)fn_complete(el, NULL, NULL,
 +	    break_chars, NULL, NULL, (size_t)100,
 +	    NULL, NULL, NULL, NULL);
 +}
 +
 +/*
 + * el-compatible wrapper around rl_complete; needed for key binding
 + */
 +/* ARGSUSED */
 +unsigned char
 +_el_fn_sh_complete(EditLine *el, int ch)
 +{
 +	return _el_fn_complete(el, ch);
 +}



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?202103290806.12T86nIw054646>