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;