2 * $Id: argv.c,v 1.5 2015/05/13 00:34:39 tom Exp $
4 * argv - Reusable functions for argv-parsing.
6 * Copyright 2011-2014,2015 Thomas E. Dickey
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU Lesser General Public License, version 2.1
10 * as published by the Free Software Foundation.
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this program; if not, write to
19 * Free Software Foundation, Inc.
20 * 51 Franklin St., Fifth Floor
21 * Boston, MA 02110, USA.
28 * Convert a string to an argv[], returning a char** index (which must be
29 * freed by the caller). The string is modified (replacing gaps between
33 dlg_string_to_argv(char *blob
)
37 size_t length
= strlen(blob
);
40 DLG_TRACE(("# dlg_string_to_argv:\n#\t%s\n", blob
));
41 for (pass
= 0; pass
< 2; ++pass
) {
47 for (n
= 0; n
< length
; ++n
) {
48 if (quoted
&& blob
[n
] == '"') {
50 } else if (blob
[n
] == '"') {
54 result
[count
] = param
;
58 } else if (!quoted
&& isspace(UCH(blob
[n
]))) {
68 result
[count
] = param
;
72 if (blob
[n
] == '\\') {
74 break; /* The string is terminated by a backslash */
84 result
= dlg_calloc(char *, count
+ 1);
85 assert_ptr(result
, "string_to_argv");
87 break; /* no tokens found */
95 for (n
= 0; result
[n
] != 0; ++n
) {
96 DLG_TRACE(("#\targv[%d] = %s\n", (int) n
, result
[n
]));
104 * Count the entries in an argv list.
107 dlg_count_argv(char **argv
)
112 while (argv
[result
] != 0)
119 dlg_eat_argv(int *argcp
, char ***argvp
, int start
, int count
)
124 for (k
= start
; k
<= *argcp
; k
++)
125 (*argvp
)[k
] = (*argvp
)[k
+ count
];
126 (*argvp
)[*argcp
] = 0;