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dff8da6b | 1 | /* Copyright (C) 1996-2024 Free Software Foundation, Inc. |
e4cf5070 | 2 | This file is part of the GNU C Library. |
7a12c6bb | 3 | |
e4cf5070 | 4 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
7a12c6bb | 8 | |
e4cf5070 UD |
9 | The GNU C Library is distributed in the hope that it will be useful, |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
7a12c6bb | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
7a12c6bb RM |
17 | |
18 | #include <argz.h> | |
19 | #include <errno.h> | |
20 | #include <stdlib.h> | |
21 | #include <string.h> | |
22 | ||
23 | ||
24 | error_t | |
25 | __argz_create_sep (const char *string, int delim, char **argz, size_t *len) | |
26 | { | |
27 | size_t nlen = strlen (string) + 1; | |
28 | ||
e4cf5070 | 29 | if (nlen > 1) |
7a12c6bb RM |
30 | { |
31 | const char *rp; | |
32 | char *wp; | |
e4cf5070 | 33 | |
7a12c6bb RM |
34 | *argz = (char *) malloc (nlen); |
35 | if (*argz == NULL) | |
36 | return ENOMEM; | |
37 | ||
38 | rp = string; | |
39 | wp = *argz; | |
40 | do | |
41 | if (*rp == delim) | |
42 | { | |
43 | if (wp > *argz && wp[-1] != '\0') | |
44 | *wp++ = '\0'; | |
45 | else | |
46 | --nlen; | |
47 | } | |
48 | else | |
49 | *wp++ = *rp; | |
50 | while (*rp++ != '\0'); | |
e4cf5070 UD |
51 | |
52 | if (nlen == 0) | |
53 | { | |
54 | free (*argz); | |
55 | *argz = NULL; | |
56 | *len = 0; | |
57 | } | |
00de59a6 UD |
58 | |
59 | *len = nlen; | |
e4cf5070 UD |
60 | } |
61 | else | |
62 | { | |
63 | *argz = NULL; | |
64 | *len = 0; | |
7a12c6bb | 65 | } |
7a12c6bb RM |
66 | |
67 | return 0; | |
68 | } | |
69 | weak_alias (__argz_create_sep, argz_create_sep) |