From 85d7b872bf6fbe622b559092e1871fc405255402 Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Fri, 1 Jan 1999 17:43:10 +0000 Subject: [PATCH] GNU tar 1.13 --- lib/quotearg.h | 100 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 100 insertions(+) create mode 100644 lib/quotearg.h diff --git a/lib/quotearg.h b/lib/quotearg.h new file mode 100644 index 0000000..d546929 --- /dev/null +++ b/lib/quotearg.h @@ -0,0 +1,100 @@ +/* quotearg.h - quote arguments for output + Copyright (C) 1998, 1999 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 + the Free Software Foundation; either version 2, 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 + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + +/* Written by Paul Eggert */ + +/* 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 */ + }; + +/* 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 + +/* 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)); + +/* 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)); + +/* 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)); + +/* 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)); + +/* Place into buffer BUFFER (of size BUFFERSIZE) a quoted version of + argument ARG (of size ARGSIZE), using O to control quoting. + If O is null, use the default. + 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 + 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)); + +/* 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 ((unsigned int n, char const *arg)); + +/* Equivalent to quotearg_n (0, ARG). */ +char *quotearg PARAMS ((char const *arg)); + +/* Like quotearg (ARG), except also quote any instances of CH. */ +char *quotearg_char PARAMS ((char const *arg, char ch)); + +/* Equivalent to quotearg_char (ARG, ':'). */ +char *quotearg_colon PARAMS ((char const *arg)); -- 2.45.2