Sync with GNU tar.

diff --git a/lib/argmatch.c b/lib/argmatch.c
index 964270650c2b72150ba8f1375c8857378dd5be16..3fc4bff271b705583cd3ed6b12b855b0caebe789 100644 (file)
--- a/lib/argmatch.c
+++ b/lib/argmatch.c
@@ -1,5 +1,5 @@
 /* argmatch.c -- find a match for a string in an array
-   Copyright (C) 1990, 1998, 1999 Free Software Foundation, Inc.
+   Copyright (C) 1990, 1998, 1999, 2001 Free Software Foundation, Inc.
 
    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
@@ -22,6 +22,7 @@
 
 #include <stdio.h>
 #ifdef STDC_HEADERS
+# include <stdlib.h>
 # include <string.h>
 #endif
 
@@ -38,6 +39,7 @@
 
 #include "error.h"
 #include "quotearg.h"
+#include "quote.h"
 
 /* When reporting an invalid argument, show nonprinting characters
    by using the quoting style ARGMATCH_QUOTING_STYLE.  Do not use
@@ -156,10 +158,11 @@ void
 argmatch_invalid (const char *context, const char *value, int problem)
 {
   char const *format = (problem == -1
-                       ? _("invalid argument %s for `%s'")
-                       : _("ambiguous argument %s for `%s'"));
+                       ? _("invalid argument %s for %s")
+                       : _("ambiguous argument %s for %s"));
 
-  error (0, 0, format, quotearg_style (ARGMATCH_QUOTING_STYLE, value), context);
+  error (0, 0, format, quotearg_n_style (0, ARGMATCH_QUOTING_STYLE, value),
+        quote_n (1, context));
 }
 
 /* List the valid arguments for argmatch.

diff --git a/lib/quotearg.c b/lib/quotearg.c
index a32bf533120b6c72545290fe085f843932c5118f..79929e7c9a86ba29c2cda8d6a27b0d82aae97221 100644 (file)
--- a/lib/quotearg.c
+++ b/lib/quotearg.c
@@ -1,5 +1,5 @@
 /* quotearg.c - quote arguments for output
-   Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+   Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
 
    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
@@ -305,6 +305,16 @@ quotearg_buffer_restyled (char *buffer, size_t buffersize,
       c = arg[i];
       switch (c)
        {
+       case '\0':
+         if (backslash_escapes)
+           {
+             STORE ('\\');
+             STORE ('0');
+             STORE ('0');
+             c = '0';
+           }
+         break;
+
        case '?':
          switch (quoting_style)
            {
@@ -531,14 +541,15 @@ quotearg_buffer (char *buffer, size_t buffersize,
                                   p->style, p);
 }
 
-/* Use storage slot N to return a quoted version of the string ARG.
+/* Use storage slot N to return a quoted version of argument ARG.
+   ARG is of size ARGSIZE, but if that is -1, ARG is a null-terminated string.
    OPTIONS specifies the quoting options.
    The returned value points to static storage that can be
    reused by the next call to this function with the same value of N.
    N must be nonnegative.  N is deliberately declared with type "int"
    to allow for future extensions (using negative values).  */
 static char *
-quotearg_n_options (int n, char const *arg,
+quotearg_n_options (int n, char const *arg, size_t argsize,
                    struct quoting_options const *options)
 {
   /* Preallocate a slot 0 buffer, so that the caller can always quote
@@ -579,13 +590,13 @@ quotearg_n_options (int n, char const *arg,
   {
     size_t size = slotvec[n].size;
     char *val = slotvec[n].val;
-    size_t qsize = quotearg_buffer (val, size, arg, (size_t) -1, options);
+    size_t qsize = quotearg_buffer (val, size, arg, argsize, options);
 
     if (size <= qsize)
       {
        slotvec[n].size = size = qsize + 1;
        slotvec[n].val = val = xrealloc (val == slot0 ? 0 : val, size);
-       quotearg_buffer (val, size, arg, (size_t) -1, options);
+       quotearg_buffer (val, size, arg, argsize, options);
       }
 
     return val;
@@ -595,7 +606,7 @@ quotearg_n_options (int n, char const *arg,
 char *
 quotearg_n (int n, char const *arg)
 {
-  return quotearg_n_options (n, arg, &default_quoting_options);
+  return quotearg_n_options (n, arg, (size_t) -1, &default_quoting_options);
 }
 
 char *
@@ -604,13 +615,29 @@ quotearg (char const *arg)
   return quotearg_n (0, arg);
 }
 
-char *
-quotearg_n_style (int n, enum quoting_style s, char const *arg)
+/* 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 = s;
+  o.style = style;
   memset (o.quote_these_too, 0, sizeof o.quote_these_too);
-  return quotearg_n_options (n, arg, &o);
+  return o;
+}
+
+char *
+quotearg_n_style (int n, enum quoting_style s, char const *arg)
+{
+  struct quoting_options const o = quoting_options_from_style (s);
+  return quotearg_n_options (n, arg, (size_t) -1, &o);
+}
+
+char *
+quotearg_n_style_mem (int n, enum quoting_style s,
+                     char const *arg, size_t argsize)
+{
+  struct quoting_options const o = quoting_options_from_style (s);
+  return quotearg_n_options (n, arg, argsize, &o);
 }
 
 char *
@@ -625,7 +652,7 @@ quotearg_char (char const *arg, char ch)
   struct quoting_options options;
   options = default_quoting_options;
   set_char_quoting (&options, ch, 1);
-  return quotearg_n_options (0, arg, &options);
+  return quotearg_n_options (0, arg, (size_t) -1, &options);
 }
 
 char *

diff --git a/lib/quotearg.h b/lib/quotearg.h
index 8d1be4a97fb11d0562ad17cb9452df3936fe65fd..a664ece837f2c3d06e4dbd58cb30443277c15c30 100644 (file)
--- a/lib/quotearg.h
+++ b/lib/quotearg.h
@@ -104,6 +104,12 @@ char *quotearg PARAMS ((char const *arg));
    options to specify the quoting method.  */
 char *quotearg_n_style PARAMS ((int n, enum quoting_style s, char const *arg));
 
+/* Use style S and storage slot N to return a quoted version of the
+   argument ARG of size ARGSIZE.  This is like quotearg_n_style
+   (N, S, ARG), except it can quote null bytes.  */
+char *quotearg_n_style_mem PARAMS ((int n, enum quoting_style s,
+                                   char const *arg, size_t argsize));
+
 /* Equivalent to quotearg_n_style (0, S, ARG).  */
 char *quotearg_style PARAMS ((enum quoting_style s, char const *arg));