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 <[email protected]>
AuthorDate: 2021-03-29 08:05:18 +0000
Commit:     Baptiste Daroussin <[email protected]>
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);
 +}
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