/* quotearg.c - quote arguments for output
- Copyright (C) 1998, 1999, 2000, 2001, 2002, 2004 Free Software
- Foundation, Inc.
+ Copyright (C) 1998, 1999, 2000, 2001, 2002, 2004, 2005, 2006, 2007 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
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
/* Written by Paul Eggert <eggert@twinsun.com> */
-#if HAVE_CONFIG_H
-# include <config.h>
-#endif
+#include <config.h>
#include "quotearg.h"
#include <ctype.h>
#include <errno.h>
#include <limits.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
-#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
syntax. */
# undef MB_CUR_MAX
# define MB_CUR_MAX 1
+# undef mbstate_t
+# define mbstate_t int
# define mbrtowc(pwc, s, n, ps) ((*(pwc) = *(s)) != 0)
# define iswprint(wc) isprint ((unsigned char) (wc))
# undef HAVE_MBSINIT
# define mbsinit(ps) 1
#endif
-#ifndef iswprint
-# if HAVE_WCTYPE_H
-# include <wctype.h>
-# endif
-# if !defined iswprint && !HAVE_ISWPRINT
-# define iswprint(wc) 1
-# endif
-#endif
-
#ifndef SIZE_MAX
# define SIZE_MAX ((size_t) -1)
#endif
/* Quote the characters indicated by this bit vector even if the
quoting style would not normally require them to be quoted. */
- int quote_these_too[(UCHAR_MAX / INT_BITS) + 1];
+ unsigned int quote_these_too[(UCHAR_MAX / INT_BITS) + 1];
};
/* Names of quoting styles. */
clone_quoting_options (struct quoting_options *o)
{
int e = errno;
- struct quoting_options *p = xmalloc (sizeof *p);
- *p = *(o ? o : &default_quoting_options);
+ struct quoting_options *p = xmemdup (o ? o : &default_quoting_options,
+ sizeof *o);
errno = e;
return p;
}
set_char_quoting (struct quoting_options *o, char c, int i)
{
unsigned char uc = c;
- int *p = (o ? o : &default_quoting_options)->quote_these_too + uc / INT_BITS;
+ unsigned int *p =
+ (o ? o : &default_quoting_options)->quote_these_too + uc / INT_BITS;
int shift = uc % INT_BITS;
int r = (*p >> shift) & 1;
*p ^= ((i & 1) ^ r) << shift;
size_t len = 0;
char const *quote_string = 0;
size_t quote_string_len = 0;
- int backslash_escapes = 0;
- int unibyte_locale = MB_CUR_MAX == 1;
+ bool backslash_escapes = false;
+ bool unibyte_locale = MB_CUR_MAX == 1;
#define STORE(c) \
do \
{
case c_quoting_style:
STORE ('"');
- backslash_escapes = 1;
+ backslash_escapes = true;
quote_string = "\"";
quote_string_len = 1;
break;
case escape_quoting_style:
- backslash_escapes = 1;
+ backslash_escapes = true;
break;
case locale_quoting_style:
case clocale_quoting_style:
{
- /* Get translations for open and closing quotation marks.
+ /* TRANSLATORS:
+ Get translations for open and closing quotation marks.
The message catalog should translate "`" to a left
quotation mark suitable for the locale, and similarly for
should translate "'" to U+201D (RIGHT DOUBLE QUOTATION
MARK). A British English Unicode locale should instead
translate these to U+2018 (LEFT SINGLE QUOTATION MARK) and
- U+2019 (RIGHT SINGLE QUOTATION MARK), respectively. */
+ U+2019 (RIGHT SINGLE QUOTATION MARK), respectively.
+
+ If you don't know what to put here, please see
+ <http://en.wikipedia.org/wiki/Quotation_mark#Glyphs>
+ and use glyphs suitable for your language. */
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);
- backslash_escapes = 1;
+ backslash_escapes = true;
quote_string = right;
quote_string_len = strlen (quote_string);
}
STORE ('\\');
STORE ('?');
break;
+
+ default:
+ break;
}
break;
/* Length of multibyte sequence found so far. */
size_t m;
- int printable;
+ bool printable;
if (unibyte_locale)
{
m = 1;
- printable = isprint (c);
+ printable = isprint (c) != 0;
}
else
{
memset (&mbstate, 0, sizeof mbstate);
m = 0;
- printable = 1;
+ printable = true;
if (argsize == SIZE_MAX)
argsize = strlen (arg);
break;
else if (bytes == (size_t) -1)
{
- printable = 0;
+ printable = false;
break;
}
else if (bytes == (size_t) -2)
{
- printable = 0;
+ printable = false;
while (i + m < argsize && arg[i + m])
m++;
break;
case '[': case '\\': case '^':
case '`': case '|':
goto use_shell_always_quoting_style;
+
+ default:
+ break;
}
}
-
+
if (! iswprint (w))
- printable = 0;
+ printable = false;
m += bytes;
}
}
{
int e = errno;
size_t bufsize = quotearg_buffer (0, 0, arg, argsize, o) + 1;
- char *buf = xmalloc (bufsize);
+ char *buf = xcharalloc (bufsize);
quotearg_buffer (buf, bufsize, arg, argsize, o);
errno = e;
return buf;
}
+/* A storage slot with size and pointer to a value. */
+struct slotvec
+{
+ size_t size;
+ char *val;
+};
+
+/* Preallocate a slot 0 buffer, so that the caller can always quote
+ one small component of a "memory exhausted" message in slot 0. */
+static char slot0[256];
+static unsigned int nslots = 1;
+static struct slotvec slotvec0 = {sizeof slot0, slot0};
+static struct slotvec *slotvec = &slotvec0;
+
+void
+quotearg_free (void)
+{
+ struct slotvec *sv = slotvec;
+ unsigned int i;
+ for (i = 1; i < nslots; i++)
+ free (sv[i].val);
+ if (sv[0].val != slot0)
+ {
+ free (sv[0].val);
+ slotvec0.size = sizeof slot0;
+ slotvec0.val = slot0;
+ }
+ if (sv != &slotvec0)
+ {
+ free (sv);
+ slotvec = &slotvec0;
+ }
+ nslots = 1;
+}
+
/* Use storage slot N to return a quoted version of argument ARG.
ARG is of size ARGSIZE, but if that is SIZE_MAX, ARG is a
null-terminated string.
{
int e = errno;
- /* Preallocate a slot 0 buffer, so that the caller can always quote
- one small component of a "memory exhausted" message in slot 0. */
- static char slot0[256];
- static unsigned int nslots = 1;
unsigned int n0 = n;
- struct slotvec
- {
- size_t size;
- char *val;
- };
- static struct slotvec slotvec0 = {sizeof slot0, slot0};
- static struct slotvec *slotvec = &slotvec0;
+ struct slotvec *sv = slotvec;
if (n < 0)
abort ();
if (nslots <= n0)
{
- unsigned int n1 = n0 + 1;
-
- if (xalloc_oversized (n1, sizeof *slotvec))
+ /* FIXME: technically, the type of n1 should be `unsigned int',
+ but that evokes an unsuppressible warning from gcc-4.0.1 and
+ older. If gcc ever provides an option to suppress that warning,
+ revert to the original type, so that the test in xalloc_oversized
+ is once again performed only at compile time. */
+ size_t n1 = n0 + 1;
+ bool preallocated = (sv == &slotvec0);
+
+ if (xalloc_oversized (n1, sizeof *sv))
xalloc_die ();
- if (slotvec == &slotvec0)
- {
- slotvec = xmalloc (sizeof *slotvec);
- *slotvec = slotvec0;
- }
- slotvec = xrealloc (slotvec, n1 * sizeof *slotvec);
- memset (slotvec + nslots, 0, (n1 - nslots) * sizeof *slotvec);
+ slotvec = sv = xrealloc (preallocated ? NULL : sv, n1 * sizeof *sv);
+ if (preallocated)
+ *sv = slotvec0;
+ memset (sv + nslots, 0, (n1 - nslots) * sizeof *sv);
nslots = n1;
}
{
- size_t size = slotvec[n].size;
- char *val = slotvec[n].val;
+ size_t size = sv[n].size;
+ char *val = sv[n].val;
size_t qsize = quotearg_buffer (val, size, arg, argsize, options);
if (size <= qsize)
{
- slotvec[n].size = size = qsize + 1;
+ sv[n].size = size = qsize + 1;
if (val != slot0)
free (val);
- slotvec[n].val = val = xmalloc (size);
+ sv[n].val = val = xcharalloc (size);
quotearg_buffer (val, size, arg, argsize, options);
}