/* quotearg.h - quote arguments for output
- Copyright (C) 1998 Free Software Foundation, Inc.
+
+ Copyright (C) 1998, 1999, 2000, 2001, 2002, 2004 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
/* Written by Paul Eggert <eggert@twinsun.com> */
+#ifndef QUOTEARG_H_
+# define QUOTEARG_H_ 1
+
+# include <stddef.h>
+
/* Basic quoting styles. */
enum quoting_style
{
- literal_quoting_style, /* --quoting-style=literal */
- shell_quoting_style, /* --quoting-style=shell */
- shell_always_quoting_style, /* --quoting-style=shell-always */
- c_quoting_style, /* --quoting-style=c */
- escape_quoting_style /* --quoting-style=escape */
+ /* Output names as-is (ls --quoting-style=literal). */
+ literal_quoting_style,
+
+ /* Quote names for the shell if they contain shell metacharacters
+ or would cause ambiguous output (ls --quoting-style=shell). */
+ shell_quoting_style,
+
+ /* Quote names for the shell, even if they would normally not
+ require quoting (ls --quoting-style=shell-always). */
+ shell_always_quoting_style,
+
+ /* Quote names as for a C language string (ls --quoting-style=c). */
+ c_quoting_style,
+
+ /* Like c_quoting_style except omit the surrounding double-quote
+ characters (ls --quoting-style=escape). */
+ escape_quoting_style,
+
+ /* Like clocale_quoting_style, but quote `like this' instead of
+ "like this" in the default C locale (ls --quoting-style=locale). */
+ locale_quoting_style,
+
+ /* Like c_quoting_style except use quotation marks appropriate for
+ the locale (ls --quoting-style=clocale). */
+ clocale_quoting_style
};
-/* For now, --quoting-style=literal is the default, but
- this is planned to change to --quoting-style=shell in the future. */
-#ifndef DEFAULT_QUOTING_STYLE
-# define DEFAULT_QUOTING_STYLE literal_quoting_style
-#endif
+/* For now, --quoting-style=literal is the default, but this may change. */
+# ifndef DEFAULT_QUOTING_STYLE
+# define DEFAULT_QUOTING_STYLE literal_quoting_style
+# endif
-/* Names of quoting styles. */
+/* Names of quoting styles and their corresponding values. */
extern char const *const quoting_style_args[];
+extern enum quoting_style const quoting_style_vals[];
struct quoting_options;
-#ifndef PARAMS
-# if defined PROTOTYPES || defined __STDC__
-# define PARAMS(Args) Args
-# else
-# define PARAMS(Args) ()
-# endif
-#endif
-
/* The functions listed below set and use a hidden variable
that contains the default quoting style options. */
/* Allocate a new set of quoting options, with contents initially identical
to O if O is not null, or to the default if O is null.
It is the caller's responsibility to free the result. */
-struct quoting_options *clone_quoting_options
- PARAMS ((struct quoting_options *o));
+struct quoting_options *clone_quoting_options (struct quoting_options *o);
/* Get the value of O's quoting style. If O is null, use the default. */
-enum quoting_style get_quoting_style PARAMS ((struct quoting_options *o));
+enum quoting_style get_quoting_style (struct quoting_options *o);
/* In O (or in the default if O is null),
set the value of the quoting style to S. */
-void set_quoting_style PARAMS ((struct quoting_options *o,
- enum quoting_style s));
+void set_quoting_style (struct quoting_options *o, enum quoting_style s);
/* In O (or in the default if O is null),
set the value of the quoting options for character C to I.
Return the old value. Currently, the only values defined for I are
0 (the default) and 1 (which means to quote the character even if
it would not otherwise be quoted). */
-int set_char_quoting PARAMS ((struct quoting_options *o, char c, int i));
+int set_char_quoting (struct quoting_options *o, char c, int i);
/* Place into buffer BUFFER (of size BUFFERSIZE) a quoted version of
argument ARG (of size ARGSIZE), using O to control quoting.
If BUFFERSIZE is too small to store the output string, return the
value that would have been returned had BUFFERSIZE been large enough.
If ARGSIZE is -1, use the string length of the argument for ARGSIZE. */
-size_t quotearg_buffer PARAMS ((char *buffer, size_t buffersize,
- char const *arg, size_t argsize,
- struct quoting_options const *o));
+size_t quotearg_buffer (char *buffer, size_t buffersize,
+ char const *arg, size_t argsize,
+ struct quoting_options const *o);
+
+/* Like quotearg_buffer, except return the result in a newly allocated
+ buffer. It is the caller's responsibility to free the result. */
+char *quotearg_alloc (char const *arg, size_t argsize,
+ struct quoting_options const *o);
/* Use storage slot N to return a quoted version of the string ARG.
Use the default 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. */
-char *quotearg_n PARAMS ((int n, char const *arg));
+char *quotearg_n (int n, char const *arg);
+
+/* Equivalent to quotearg_n (0, ARG). */
+char *quotearg (char const *arg);
+
+/* Use style S and storage slot N to return a quoted version of the string ARG.
+ This is like quotearg_n (N, ARG), except that it uses S with no other
+ options to specify the quoting method. */
+char *quotearg_n_style (int n, enum quoting_style s, char const *arg);
-/* Equivalent to quotearg_n (ARG, 0). */
-char *quotearg PARAMS ((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 (int n, enum quoting_style s,
+ char const *arg, size_t argsize);
+
+/* Equivalent to quotearg_n_style (0, S, ARG). */
+char *quotearg_style (enum quoting_style s, char const *arg);
/* Like quotearg (ARG), except also quote any instances of CH. */
-char *quotearg_char PARAMS ((char const *arg, char ch));
+char *quotearg_char (char const *arg, char ch);
/* Equivalent to quotearg_char (ARG, ':'). */
-char *quotearg_colon PARAMS ((char const *arg));
+char *quotearg_colon (char const *arg);
+
+#endif /* !QUOTEARG_H_ */