root/maint/gnulib/lib/sh-quote.h

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INCLUDED FROM


   1 /* Shell quoting.
   2    Copyright (C) 2001-2002, 2004, 2009-2021 Free Software Foundation, Inc.
   3    Written by Bruno Haible <haible@clisp.cons.org>, 2001.
   4 
   5    This program is free software: you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9 
  10    This program is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13    GNU General Public License for more details.
  14 
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  17 
  18 #ifndef _SH_QUOTE_H
  19 #define _SH_QUOTE_H
  20 
  21 /* When passing a command to a shell, we must quote the program name and
  22    arguments, since Unix shells interpret characters like " ", "'", "<", ">",
  23    "$", '*', '?' etc. in a special way.  */
  24 
  25 #include <stdlib.h>
  26 
  27 #ifdef __cplusplus
  28 extern "C" {
  29 #endif
  30 
  31 /* Returns the number of bytes needed for the quoted string.  */
  32 extern size_t shell_quote_length (const char *string);
  33 
  34 /* Copies the quoted string to p and returns the incremented p.
  35    There must be room for shell_quote_length (string) + 1 bytes at p.  */
  36 extern char * shell_quote_copy (char *restrict p, const char *string);
  37 
  38 /* Returns the freshly allocated quoted string.  */
  39 extern char * shell_quote (const char *string)
  40   _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC_FREE
  41   _GL_ATTRIBUTE_RETURNS_NONNULL;
  42 
  43 /* Returns a freshly allocated string containing all argument strings, quoted,
  44    separated through spaces.  */
  45 extern char * shell_quote_argv (const char * const *argv)
  46   _GL_ATTRIBUTE_MALLOC _GL_ATTRIBUTE_DEALLOC_FREE
  47   _GL_ATTRIBUTE_RETURNS_NONNULL;
  48 
  49 #ifdef __cplusplus
  50 }
  51 #endif
  52 
  53 #endif /* _SH_QUOTE_H */

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