Mercurial > hg > octave-kai > gnulib-hg
annotate lib/sh-quote.c @ 11527:4fe203c3f828
Replace wcrtomb, wcsrtombs, wcsnrtombs if mbstate_t has to be replaced.
| author | Bruno Haible <bruno@clisp.org> |
|---|---|
| date | Fri, 01 May 2009 18:01:52 +0200 |
| parents | bbbbbf4cd1c5 |
| children | e8d2c6fc33ad |
| rev | line source |
|---|---|
| 5598 | 1 /* Shell quoting. |
|
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1c4ed7637c24
Include <config.h> unconditionally.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
2 Copyright (C) 2001-2004, 2006 Free Software Foundation, Inc. |
| 5598 | 3 Written by Bruno Haible <haible@clisp.cons.org>, 2001. |
| 4 | |
|
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bbbbbf4cd1c5
Change copyright notice from GPLv2+ to GPLv3+.
Bruno Haible <bruno@clisp.org>
parents:
7603
diff
changeset
|
5 This program is free software: you can redistribute it and/or modify |
| 5598 | 6 it under the terms of the GNU General Public License as published by |
|
9309
bbbbbf4cd1c5
Change copyright notice from GPLv2+ to GPLv3+.
Bruno Haible <bruno@clisp.org>
parents:
7603
diff
changeset
|
7 the Free Software Foundation; either version 3 of the License, or |
|
bbbbbf4cd1c5
Change copyright notice from GPLv2+ to GPLv3+.
Bruno Haible <bruno@clisp.org>
parents:
7603
diff
changeset
|
8 (at your option) any later version. |
| 5598 | 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 | |
|
9309
bbbbbf4cd1c5
Change copyright notice from GPLv2+ to GPLv3+.
Bruno Haible <bruno@clisp.org>
parents:
7603
diff
changeset
|
16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 5598 | 17 |
|
7304
1c4ed7637c24
Include <config.h> unconditionally.
Bruno Haible <bruno@clisp.org>
parents:
5848
diff
changeset
|
18 #include <config.h> |
| 5598 | 19 |
| 20 /* Specification. */ | |
| 21 #include "sh-quote.h" | |
| 22 | |
| 23 #include <string.h> | |
| 24 | |
| 25 #include "quotearg.h" | |
| 26 #include "xalloc.h" | |
| 27 | |
| 28 /* Describes quoting for sh compatible shells. */ | |
| 29 static struct quoting_options *sh_quoting_options; | |
| 30 | |
| 31 /* Initializes the sh_quoting_options variable. */ | |
| 32 static void | |
| 33 init_sh_quoting_options () | |
| 34 { | |
| 35 sh_quoting_options = clone_quoting_options (NULL); | |
| 36 set_quoting_style (sh_quoting_options, shell_quoting_style); | |
| 37 } | |
| 38 | |
| 39 /* Returns the number of bytes needed for the quoted string. */ | |
| 40 size_t | |
| 41 shell_quote_length (const char *string) | |
| 42 { | |
| 43 if (sh_quoting_options == NULL) | |
| 44 init_sh_quoting_options (); | |
| 45 return quotearg_buffer (NULL, 0, string, strlen (string), | |
| 46 sh_quoting_options); | |
| 47 } | |
| 48 | |
| 49 /* Copies the quoted string to p and returns the incremented p. | |
| 50 There must be room for shell_quote_length (string) + 1 bytes at p. */ | |
| 51 char * | |
| 52 shell_quote_copy (char *p, const char *string) | |
| 53 { | |
| 54 if (sh_quoting_options == NULL) | |
| 55 init_sh_quoting_options (); | |
| 56 return p + quotearg_buffer (p, (size_t)(-1), string, strlen (string), | |
| 57 sh_quoting_options); | |
| 58 } | |
| 59 | |
| 60 /* Returns the freshly allocated quoted string. */ | |
| 61 char * | |
| 62 shell_quote (const char *string) | |
| 63 { | |
| 64 if (sh_quoting_options == NULL) | |
| 65 init_sh_quoting_options (); | |
| 66 return quotearg_alloc (string, strlen (string), sh_quoting_options); | |
| 67 } | |
| 68 | |
| 69 /* Returns a freshly allocated string containing all argument strings, quoted, | |
| 70 separated through spaces. */ | |
| 71 char * | |
| 72 shell_quote_argv (char **argv) | |
| 73 { | |
| 74 if (*argv != NULL) | |
| 75 { | |
| 76 char **argp; | |
| 77 size_t length; | |
| 78 char *command; | |
| 79 char *p; | |
| 80 | |
| 81 length = 0; | |
| 82 for (argp = argv; ; ) | |
| 83 { | |
| 84 length += shell_quote_length (*argp) + 1; | |
| 85 argp++; | |
| 86 if (*argp == NULL) | |
| 87 break; | |
| 88 } | |
| 89 | |
|
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Simplify xmalloc expressions. Add overflow check in xmalloc arguments.
Bruno Haible <bruno@clisp.org>
parents:
7304
diff
changeset
|
90 command = XNMALLOC (length, char); |
| 5598 | 91 |
| 92 p = command; | |
| 93 for (argp = argv; ; ) | |
| 94 { | |
| 95 p = shell_quote_copy (p, *argp); | |
| 96 argp++; | |
| 97 if (*argp == NULL) | |
| 98 break; | |
| 99 *p++ = ' '; | |
| 100 } | |
| 101 *p = '\0'; | |
| 102 | |
| 103 return command; | |
| 104 } | |
| 105 else | |
| 106 return xstrdup (""); | |
| 107 } |