canon-host: Include netdb.h instead of getaddrinfo.h.

[gnulib.git] / lib / quotearg.c

diff --git a/lib/quotearg.c b/lib/quotearg.c
index 0ad8da8..75fbc72 100644 (file)
--- a/lib/quotearg.c
+++ b/lib/quotearg.c
@@ -1,12 +1,12 @@
 /* quotearg.c - quote arguments for output
 
 /* quotearg.c - quote arguments for output
 

-   Copyright (C) 1998, 1999, 2000, 2001, 2002, 2004, 2005, 2006 Free
-   Software Foundation, Inc.
+   Copyright (C) 1998, 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007,
+   2008 Free Software Foundation, Inc.

 
 

-   This program is free software; you can redistribute it and/or modify
+   This program is free software: you can redistribute it and/or modify

    it under the terms of the GNU General Public License as published by
    it under the terms of the GNU General Public License as published by

-   the Free Software Foundation; either version 2, or (at your option)
-   any later version.
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.

 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of


@@ -14,8 +14,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License

-   along with this program; if not, write to the Free Software Foundation,
-   Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

 
 /* Written by Paul Eggert <eggert@twinsun.com> */
 
 
 /* Written by Paul Eggert <eggert@twinsun.com> */
 


@@ -31,20 +30,13 @@
 #include <stdbool.h>
 #include <stdlib.h>
 #include <string.h>
 #include <stdbool.h>
 #include <stdlib.h>
 #include <string.h>

+#include <wchar.h>
+#include <wctype.h>

 
 #include "gettext.h"
 #define _(msgid) gettext (msgid)
 #define N_(msgid) msgid
 
 
 #include "gettext.h"
 #define _(msgid) gettext (msgid)
 #define N_(msgid) msgid
 

-#if HAVE_WCHAR_H
-
-/* BSD/OS 4.1 wchar.h requires FILE and struct tm to be declared.  */
-# include <stdio.h>
-# include <time.h>
-
-# include <wchar.h>
-#endif
-

 #if !HAVE_MBRTOWC
 /* Disable multibyte processing entirely.  Since MB_CUR_MAX is 1, the
    other macros are defined only for documentation and to satisfy C
 #if !HAVE_MBRTOWC
 /* Disable multibyte processing entirely.  Since MB_CUR_MAX is 1, the
    other macros are defined only for documentation and to satisfy C


@@ -62,8 +54,6 @@
 # define mbsinit(ps) 1
 #endif
 
 # define mbsinit(ps) 1
 #endif
 

-#include <wctype.h>
-

 #ifndef SIZE_MAX
 # define SIZE_MAX ((size_t) -1)
 #endif
 #ifndef SIZE_MAX
 # define SIZE_MAX ((size_t) -1)
 #endif


@@ -75,6 +65,9 @@ struct quoting_options
   /* Basic quoting style.  */
   enum quoting_style style;
 
   /* Basic quoting style.  */
   enum quoting_style style;
 

+  /* Additional flags.  Bitwise combination of enum quoting_flags.  */
+  int flags;
+

   /* Quote the characters indicated by this bit vector even if the
      quoting style would not normally require them to be quoted.  */
   unsigned int quote_these_too[(UCHAR_MAX / INT_BITS) + 1];
   /* Quote the characters indicated by this bit vector even if the
      quoting style would not normally require them to be quoted.  */
   unsigned int quote_these_too[(UCHAR_MAX / INT_BITS) + 1];


@@ -87,6 +80,7 @@ char const *const quoting_style_args[] =
   "shell",
   "shell-always",
   "c",
   "shell",
   "shell-always",
   "c",

+  "c-maybe",

   "escape",
   "locale",
   "clocale",
   "escape",
   "locale",
   "clocale",


@@ -100,6 +94,7 @@ enum quoting_style const quoting_style_vals[] =
   shell_quoting_style,
   shell_always_quoting_style,
   c_quoting_style,
   shell_quoting_style,
   shell_always_quoting_style,
   c_quoting_style,

+  c_maybe_quoting_style,

   escape_quoting_style,
   locale_quoting_style,
   clocale_quoting_style
   escape_quoting_style,
   locale_quoting_style,
   clocale_quoting_style


@@ -153,6 +148,32 @@ set_char_quoting (struct quoting_options *o, char c, int i)
   return r;
 }
 
   return r;
 }
 

+/* In O (or in the default if O is null),
+   set the value of the quoting options flag to I, which can be a
+   bitwise combination of enum quoting_flags, or 0 for default
+   behavior.  Return the old value.  */
+int
+set_quoting_flags (struct quoting_options *o, int i)
+{
+  int r;
+  if (!o)
+    o = &default_quoting_options;
+  r = o->flags;
+  o->flags = i;
+  return r;
+}
+
+/* Return quoting options for STYLE, with no extra quoting.  */
+static struct quoting_options
+quoting_options_from_style (enum quoting_style style)
+{
+  struct quoting_options o;
+  o.style = style;
+  o.flags = 0;
+  memset (o.quote_these_too, 0, sizeof o.quote_these_too);
+  return o;
+}
+

 /* MSGID approximates a quotation mark.  Return its translation if it
    has one; otherwise, return either it or "\"", depending on S.  */
 static char const *
 /* MSGID approximates a quotation mark.  Return its translation if it
    has one; otherwise, return either it or "\"", depending on S.  */
 static char const *


@@ -165,8 +186,8 @@ gettext_quote (char const *msgid, enum quoting_style s)
 }
 
 /* Place into buffer BUFFER (of size BUFFERSIZE) a quoted version of
 }
 
 /* Place into buffer BUFFER (of size BUFFERSIZE) a quoted version of

-   argument ARG (of size ARGSIZE), using QUOTING_STYLE and the
-   non-quoting-style part of O to control quoting.
+   argument ARG (of size ARGSIZE), using QUOTING_STYLE, FLAGS, and
+   QUOTE_THESE_TOO to control quoting.

    Terminate the output with a null character, and return the written
    size of the output, not counting the terminating null.
    If BUFFERSIZE is too small to store the output string, return the
    Terminate the output with a null character, and return the written
    size of the output, not counting the terminating null.
    If BUFFERSIZE is too small to store the output string, return the


@@ -174,14 +195,14 @@ gettext_quote (char const *msgid, enum quoting_style s)
    If ARGSIZE is SIZE_MAX, use the string length of the argument for ARGSIZE.
 
    This function acts like quotearg_buffer (BUFFER, BUFFERSIZE, ARG,
    If ARGSIZE is SIZE_MAX, use the string length of the argument for ARGSIZE.
 
    This function acts like quotearg_buffer (BUFFER, BUFFERSIZE, ARG,

-   ARGSIZE, O), except it uses QUOTING_STYLE instead of the quoting
-   style specified by O, and O may not be null.  */
+   ARGSIZE, O), except it breaks O into its component pieces and is
+   not careful about errno.  */

 
 static size_t
 quotearg_buffer_restyled (char *buffer, size_t buffersize,
                          char const *arg, size_t argsize,
 
 static size_t
 quotearg_buffer_restyled (char *buffer, size_t buffersize,
                          char const *arg, size_t argsize,

-                         enum quoting_style quoting_style,
-                         struct quoting_options const *o)
+                         enum quoting_style quoting_style, int flags,
+                         unsigned int const *quote_these_too)

 {
   size_t i;
   size_t len = 0;
 {
   size_t i;
   size_t len = 0;


@@ -189,6 +210,7 @@ quotearg_buffer_restyled (char *buffer, size_t buffersize,
   size_t quote_string_len = 0;
   bool backslash_escapes = false;
   bool unibyte_locale = MB_CUR_MAX == 1;
   size_t quote_string_len = 0;
   bool backslash_escapes = false;
   bool unibyte_locale = MB_CUR_MAX == 1;

+  bool elide_outer_quotes = (flags & QA_ELIDE_OUTER_QUOTES) != 0;

 
 #define STORE(c) \
     do \
 
 #define STORE(c) \
     do \


@@ -201,8 +223,13 @@ quotearg_buffer_restyled (char *buffer, size_t buffersize,
 
   switch (quoting_style)
     {
 
   switch (quoting_style)
     {

+    case c_maybe_quoting_style:
+      quoting_style = c_quoting_style;
+      elide_outer_quotes = true;
+      /* Fall through.  */

     case c_quoting_style:
     case c_quoting_style:

-      STORE ('"');
+      if (!elide_outer_quotes)
+       STORE ('"');

       backslash_escapes = true;
       quote_string = "\"";
       quote_string_len = 1;
       backslash_escapes = true;
       quote_string = "\"";
       quote_string_len = 1;


@@ -210,6 +237,7 @@ quotearg_buffer_restyled (char *buffer, size_t buffersize,
 
     case escape_quoting_style:
       backslash_escapes = true;
 
     case escape_quoting_style:
       backslash_escapes = true;

+      elide_outer_quotes = false;

       break;
 
     case locale_quoting_style:
       break;
 
     case locale_quoting_style:


@@ -237,22 +265,32 @@ quotearg_buffer_restyled (char *buffer, size_t buffersize,
 
        char const *left = gettext_quote (N_("`"), quoting_style);
        char const *right = gettext_quote (N_("'"), quoting_style);
 
        char const *left = gettext_quote (N_("`"), quoting_style);
        char const *right = gettext_quote (N_("'"), quoting_style);

-       for (quote_string = left; *quote_string; quote_string++)
-         STORE (*quote_string);
+       if (!elide_outer_quotes)
+         for (quote_string = left; *quote_string; quote_string++)
+           STORE (*quote_string);

        backslash_escapes = true;
        quote_string = right;
        quote_string_len = strlen (quote_string);
       }
       break;
 
        backslash_escapes = true;
        quote_string = right;
        quote_string_len = strlen (quote_string);
       }
       break;
 

+    case shell_quoting_style:
+      quoting_style = shell_always_quoting_style;
+      elide_outer_quotes = true;
+      /* Fall through.  */

     case shell_always_quoting_style:
     case shell_always_quoting_style:

-      STORE ('\'');
+      if (!elide_outer_quotes)
+       STORE ('\'');

       quote_string = "'";
       quote_string_len = 1;
       break;
 
       quote_string = "'";
       quote_string_len = 1;
       break;
 

-    default:
+    case literal_quoting_style:
+      elide_outer_quotes = false;

       break;
       break;

+
+    default:
+      abort ();

     }
 
   for (i = 0;  ! (argsize == SIZE_MAX ? arg[i] == '\0' : i == argsize);  i++)
     }
 
   for (i = 0;  ! (argsize == SIZE_MAX ? arg[i] == '\0' : i == argsize);  i++)


@@ -264,7 +302,11 @@ quotearg_buffer_restyled (char *buffer, size_t buffersize,
          && quote_string_len
          && i + quote_string_len <= argsize
          && memcmp (arg + i, quote_string, quote_string_len) == 0)
          && quote_string_len
          && i + quote_string_len <= argsize
          && memcmp (arg + i, quote_string, quote_string_len) == 0)

-       STORE ('\\');
+       {
+         if (elide_outer_quotes)
+           goto force_outer_quoting_style;
+         STORE ('\\');
+       }

 
       c = arg[i];
       switch (c)
 
       c = arg[i];
       switch (c)


@@ -272,21 +314,31 @@ quotearg_buffer_restyled (char *buffer, size_t buffersize,
        case '\0':
          if (backslash_escapes)
            {
        case '\0':
          if (backslash_escapes)
            {

+             if (elide_outer_quotes)
+               goto force_outer_quoting_style;

              STORE ('\\');
              STORE ('\\');

-             STORE ('0');
-             STORE ('0');
+             if (i + 1 < argsize && '0' <= arg[i + 1] && arg[i + 1] <= '9')
+               {
+                 STORE ('0');
+                 STORE ('0');
+               }

              c = '0';
            }
              c = '0';
            }

+         else if (flags & QA_ELIDE_NULL_BYTES)
+           continue;

          break;
 
        case '?':
          switch (quoting_style)
            {
          break;
 
        case '?':
          switch (quoting_style)
            {

-           case shell_quoting_style:
-             goto use_shell_always_quoting_style;
+           case shell_always_quoting_style:
+             if (elide_outer_quotes)
+               goto force_outer_quoting_style;
+             break;

 
            case c_quoting_style:
 
            case c_quoting_style:

-             if (i + 2 < argsize && arg[i + 1] == '?')
+             if ((flags & QA_SPLIT_TRIGRAPHS)
+                 && i + 2 < argsize && arg[i + 1] == '?')

                switch (arg[i + 2])
                  {
                  case '!': case '\'':
                switch (arg[i + 2])
                  {
                  case '!': case '\'':


@@ -294,10 +346,13 @@ quotearg_buffer_restyled (char *buffer, size_t buffersize,
                  case '<': case '=': case '>':
                    /* Escape the second '?' in what would otherwise be
                       a trigraph.  */
                  case '<': case '=': case '>':
                    /* Escape the second '?' in what would otherwise be
                       a trigraph.  */

+                   if (elide_outer_quotes)
+                     goto force_outer_quoting_style;

                    c = arg[i + 2];
                    i += 2;
                    STORE ('?');
                    c = arg[i + 2];
                    i += 2;
                    STORE ('?');

-                   STORE ('\\');
+                   STORE ('"');
+                   STORE ('"');

                    STORE ('?');
                    break;
 
                    STORE ('?');
                    break;
 


@@ -318,11 +373,17 @@ quotearg_buffer_restyled (char *buffer, size_t buffersize,
        case '\r': esc = 'r'; goto c_and_shell_escape;
        case '\t': esc = 't'; goto c_and_shell_escape;
        case '\v': esc = 'v'; goto c_escape;
        case '\r': esc = 'r'; goto c_and_shell_escape;
        case '\t': esc = 't'; goto c_and_shell_escape;
        case '\v': esc = 'v'; goto c_escape;

-       case '\\': esc = c; goto c_and_shell_escape;
+       case '\\': esc = c;
+         /* No need to escape the escape if we are trying to elide
+            outer quotes and nothing else is problematic.  */
+         if (backslash_escapes && elide_outer_quotes && quote_string_len)
+           goto store_c;

 
        c_and_shell_escape:
 
        c_and_shell_escape:

-         if (quoting_style == shell_quoting_style)
-           goto use_shell_always_quoting_style;
+         if (quoting_style == shell_always_quoting_style
+             && elide_outer_quotes)
+           goto force_outer_quoting_style;
+         /* Fall through.  */

        c_escape:
          if (backslash_escapes)
            {
        c_escape:
          if (backslash_escapes)
            {


@@ -352,24 +413,19 @@ quotearg_buffer_restyled (char *buffer, size_t buffersize,
             be the first bytes of multibyte characters, which means
             we should check them with mbrtowc, but in practice this
             doesn't happen so it's not worth worrying about.  */
             be the first bytes of multibyte characters, which means
             we should check them with mbrtowc, but in practice this
             doesn't happen so it's not worth worrying about.  */

-         if (quoting_style == shell_quoting_style)
-           goto use_shell_always_quoting_style;
+         if (quoting_style == shell_always_quoting_style
+             && elide_outer_quotes)
+           goto force_outer_quoting_style;

          break;
 
        case '\'':
          break;
 
        case '\'':

-         switch (quoting_style)
+         if (quoting_style == shell_always_quoting_style)

            {
            {

-           case shell_quoting_style:
-             goto use_shell_always_quoting_style;
-
-           case shell_always_quoting_style:
+             if (elide_outer_quotes)
+               goto force_outer_quoting_style;

              STORE ('\'');
              STORE ('\\');
              STORE ('\'');
              STORE ('\'');
              STORE ('\\');
              STORE ('\'');

-             break;
-
-           default:
-             break;

            }
          break;
 
            }
          break;
 


@@ -441,7 +497,8 @@ quotearg_buffer_restyled (char *buffer, size_t buffersize,
                           that is really the 2nd byte of a multibyte character.
                           In practice the problem is limited to ASCII
                           chars >= '@' that are shell special chars.  */
                           that is really the 2nd byte of a multibyte character.
                           In practice the problem is limited to ASCII
                           chars >= '@' that are shell special chars.  */

-                       if ('[' == 0x5b && quoting_style == shell_quoting_style)
+                       if ('[' == 0x5b && elide_outer_quotes
+                           && quoting_style == shell_always_quoting_style)

                          {
                            size_t j;
                            for (j = 1; j < bytes; j++)
                          {
                            size_t j;
                            for (j = 1; j < bytes; j++)


@@ -449,7 +506,7 @@ quotearg_buffer_restyled (char *buffer, size_t buffersize,
                                {
                                case '[': case '\\': case '^':
                                case '`': case '|':
                                {
                                case '[': case '\\': case '^':
                                case '`': case '|':

-                                 goto use_shell_always_quoting_style;
+                                 goto force_outer_quoting_style;

 
                                default:
                                  break;
 
                                default:
                                  break;


@@ -474,6 +531,8 @@ quotearg_buffer_restyled (char *buffer, size_t buffersize,
                  {
                    if (backslash_escapes && ! printable)
                      {
                  {
                    if (backslash_escapes && ! printable)
                      {

+                       if (elide_outer_quotes)
+                         goto force_outer_quoting_style;

                        STORE ('\\');
                        STORE ('0' + (c >> 6));
                        STORE ('0' + ((c >> 3) & 7));
                        STORE ('\\');
                        STORE ('0' + (c >> 6));
                        STORE ('0' + ((c >> 3) & 7));


@@ -490,21 +549,25 @@ quotearg_buffer_restyled (char *buffer, size_t buffersize,
          }
        }
 
          }
        }
 

-      if (! (backslash_escapes
-            && o->quote_these_too[c / INT_BITS] & (1 << (c % INT_BITS))))
+      if (! ((backslash_escapes || elide_outer_quotes)
+            && quote_these_too
+            && quote_these_too[c / INT_BITS] & (1 << (c % INT_BITS))))

        goto store_c;
 
     store_escape:
        goto store_c;
 
     store_escape:

+      if (elide_outer_quotes)
+       goto force_outer_quoting_style;

       STORE ('\\');
 
     store_c:
       STORE (c);
     }
 
       STORE ('\\');
 
     store_c:
       STORE (c);
     }
 

-  if (i == 0 && quoting_style == shell_quoting_style)
-    goto use_shell_always_quoting_style;
+  if (len == 0 && quoting_style == shell_always_quoting_style
+      && elide_outer_quotes)
+    goto force_outer_quoting_style;

 
 

-  if (quote_string)
+  if (quote_string && !elide_outer_quotes)

     for (; *quote_string; quote_string++)
       STORE (*quote_string);
 
     for (; *quote_string; quote_string++)
       STORE (*quote_string);
 


@@ -512,9 +575,12 @@ quotearg_buffer_restyled (char *buffer, size_t buffersize,
     buffer[len] = '\0';
   return len;
 
     buffer[len] = '\0';
   return len;
 

- use_shell_always_quoting_style:
+ force_outer_quoting_style:
+  /* Don't reuse quote_these_too, since the addition of outer quotes
+     sufficiently quotes the specified characters.  */

   return quotearg_buffer_restyled (buffer, buffersize, arg, argsize,
   return quotearg_buffer_restyled (buffer, buffersize, arg, argsize,

-                                  shell_always_quoting_style, o);
+                                  quoting_style,
+                                  flags & ~QA_ELIDE_OUTER_QUOTES, NULL);

 }
 
 /* Place into buffer BUFFER (of size BUFFERSIZE) a quoted version of
 }
 
 /* Place into buffer BUFFER (of size BUFFERSIZE) a quoted version of


@@ -534,22 +600,41 @@ quotearg_buffer (char *buffer, size_t buffersize,
   struct quoting_options const *p = o ? o : &default_quoting_options;
   int e = errno;
   size_t r = quotearg_buffer_restyled (buffer, buffersize, arg, argsize,
   struct quoting_options const *p = o ? o : &default_quoting_options;
   int e = errno;
   size_t r = quotearg_buffer_restyled (buffer, buffersize, arg, argsize,

-                                      p->style, p);
+                                      p->style, p->flags, p->quote_these_too);

   errno = e;
   return r;
 }
 
   errno = e;
   return r;
 }
 

-/* Like quotearg_buffer (..., ARG, ARGSIZE, O), except return newly
-   allocated storage containing the quoted string.  */
+/* Equivalent to quotearg_alloc (ARG, ARGSIZE, NULL, O).  */

 char *
 quotearg_alloc (char const *arg, size_t argsize,
                struct quoting_options const *o)
 {
 char *
 quotearg_alloc (char const *arg, size_t argsize,
                struct quoting_options const *o)
 {

+  return quotearg_alloc_mem (arg, argsize, NULL, o);
+}
+
+/* Like quotearg_buffer (..., ARG, ARGSIZE, O), except return newly
+   allocated storage containing the quoted string, and store the
+   resulting size into *SIZE, if non-NULL.  The result can contain
+   embedded null bytes only if ARGSIZE is not SIZE_MAX, SIZE is not
+   NULL, and set_quoting_flags has not set the null byte elision
+   flag.  */
+char *
+quotearg_alloc_mem (char const *arg, size_t argsize, size_t *size,
+                   struct quoting_options const *o)
+{
+  struct quoting_options const *p = o ? o : &default_quoting_options;

   int e = errno;
   int e = errno;

-  size_t bufsize = quotearg_buffer (0, 0, arg, argsize, o) + 1;
+  /* Elide embedded null bytes if we can't return a size.  */
+  int flags = p->flags | (size ? 0 : QA_ELIDE_NULL_BYTES);
+  size_t bufsize = quotearg_buffer_restyled (0, 0, arg, argsize, p->style,
+                                            flags, p->quote_these_too) + 1;

   char *buf = xcharalloc (bufsize);
   char *buf = xcharalloc (bufsize);

-  quotearg_buffer (buf, bufsize, arg, argsize, o);
+  quotearg_buffer_restyled (buf, bufsize, arg, argsize, p->style, flags,
+                           p->quote_these_too);

   errno = e;
   errno = e;

+  if (size)
+    *size = bufsize - 1;

   return buf;
 }
 
   return buf;
 }
 


@@ -631,7 +716,11 @@ quotearg_n_options (int n, char const *arg, size_t argsize,
   {
     size_t size = sv[n].size;
     char *val = sv[n].val;
   {
     size_t size = sv[n].size;
     char *val = sv[n].val;

-    size_t qsize = quotearg_buffer (val, size, arg, argsize, options);
+    /* Elide embedded null bytes since we don't return a size.  */
+    int flags = options->flags | QA_ELIDE_NULL_BYTES;
+    size_t qsize = quotearg_buffer_restyled (val, size, arg, argsize,
+                                            options->style, flags,
+                                            options->quote_these_too);

 
     if (size <= qsize)
       {
 
     if (size <= qsize)
       {


@@ -639,7 +728,8 @@ quotearg_n_options (int n, char const *arg, size_t argsize,
        if (val != slot0)
          free (val);
        sv[n].val = val = xcharalloc (size);
        if (val != slot0)
          free (val);
        sv[n].val = val = xcharalloc (size);

-       quotearg_buffer (val, size, arg, argsize, options);
+       quotearg_buffer_restyled (val, size, arg, argsize, options->style,
+                                 flags, options->quote_these_too);

       }
 
     errno = e;
       }
 
     errno = e;


@@ -654,19 +744,21 @@ quotearg_n (int n, char const *arg)
 }
 
 char *
 }
 
 char *

+quotearg_n_mem (int n, char const *arg, size_t argsize)
+{
+  return quotearg_n_options (n, arg, argsize, &default_quoting_options);
+}
+
+char *

 quotearg (char const *arg)
 {
   return quotearg_n (0, arg);
 }
 
 quotearg (char const *arg)
 {
   return quotearg_n (0, arg);
 }
 

-/* Return quoting options for STYLE, with no extra quoting.  */
-static struct quoting_options
-quoting_options_from_style (enum quoting_style style)
+char *
+quotearg_mem (char const *arg, size_t argsize)

 {
 {

-  struct quoting_options o;
-  o.style = style;
-  memset (o.quote_these_too, 0, sizeof o.quote_these_too);
-  return o;
+  return quotearg_n_mem (0, arg, argsize);

 }
 
 char *
 }
 
 char *


@@ -691,12 +783,24 @@ quotearg_style (enum quoting_style s, char const *arg)
 }
 
 char *
 }
 
 char *

-quotearg_char (char const *arg, char ch)
+quotearg_style_mem (enum quoting_style s, char const *arg, size_t argsize)
+{
+  return quotearg_n_style_mem (0, s, arg, argsize);
+}
+
+char *
+quotearg_char_mem (char const *arg, size_t argsize, char ch)

 {
   struct quoting_options options;
   options = default_quoting_options;
   set_char_quoting (&options, ch, 1);
 {
   struct quoting_options options;
   options = default_quoting_options;
   set_char_quoting (&options, ch, 1);

-  return quotearg_n_options (0, arg, SIZE_MAX, &options);
+  return quotearg_n_options (0, arg, argsize, &options);
+}
+
+char *
+quotearg_char (char const *arg, char ch)
+{
+  return quotearg_char_mem (arg, SIZE_MAX, ch);

 }
 
 char *
 }
 
 char *


@@ -704,3 +808,9 @@ quotearg_colon (char const *arg)
 {
   return quotearg_char (arg, ':');
 }
 {
   return quotearg_char (arg, ':');
 }

+
+char *
+quotearg_colon_mem (char const *arg, size_t argsize)
+{
+  return quotearg_char_mem (arg, argsize, ':');
+}