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2b778ceb | 1 | /* Copyright (C) 1996-2021 Free Software Foundation, Inc. |
e4cf5070 UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1996. | |
7a12c6bb | 4 | |
e4cf5070 | 5 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
7a12c6bb | 9 | |
e4cf5070 UD |
10 | The GNU C Library 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 GNU | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
7a12c6bb | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
7a12c6bb RM |
18 | |
19 | #include <argz.h> | |
20 | #include <errno.h> | |
21 | #include <stdlib.h> | |
22 | #include <string.h> | |
23 | ||
24 | ||
25 | error_t | |
26 | __argz_create_sep (const char *string, int delim, char **argz, size_t *len) | |
27 | { | |
28 | size_t nlen = strlen (string) + 1; | |
29 | ||
e4cf5070 | 30 | if (nlen > 1) |
7a12c6bb RM |
31 | { |
32 | const char *rp; | |
33 | char *wp; | |
e4cf5070 | 34 | |
7a12c6bb RM |
35 | *argz = (char *) malloc (nlen); |
36 | if (*argz == NULL) | |
37 | return ENOMEM; | |
38 | ||
39 | rp = string; | |
40 | wp = *argz; | |
41 | do | |
42 | if (*rp == delim) | |
43 | { | |
44 | if (wp > *argz && wp[-1] != '\0') | |
45 | *wp++ = '\0'; | |
46 | else | |
47 | --nlen; | |
48 | } | |
49 | else | |
50 | *wp++ = *rp; | |
51 | while (*rp++ != '\0'); | |
e4cf5070 UD |
52 | |
53 | if (nlen == 0) | |
54 | { | |
55 | free (*argz); | |
56 | *argz = NULL; | |
57 | *len = 0; | |
58 | } | |
00de59a6 UD |
59 | |
60 | *len = nlen; | |
e4cf5070 UD |
61 | } |
62 | else | |
63 | { | |
64 | *argz = NULL; | |
65 | *len = 0; | |
7a12c6bb | 66 | } |
7a12c6bb RM |
67 | |
68 | return 0; | |
69 | } | |
70 | weak_alias (__argz_create_sep, argz_create_sep) |