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688903eb | 1 | /* Copyright (C) 1996-2018 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. | |
4 | ||
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. | |
e4cf5070 UD |
9 | |
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. |
e4cf5070 | 14 | |
41bdb6e2 | 15 | You should have received a copy of the GNU Lesser General Public |
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16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
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18 | |
19 | #include <argz.h> | |
20 | #include <errno.h> | |
21 | #include <stdlib.h> | |
22 | #include <string.h> | |
23 | ||
24 | ||
25 | error_t | |
26 | __argz_add_sep (char **argz, size_t *argz_len, const char *string, int delim) | |
27 | { | |
28 | size_t nlen = strlen (string) + 1; | |
29 | ||
30 | if (nlen > 1) | |
31 | { | |
32 | const char *rp; | |
33 | char *wp; | |
34 | ||
35 | *argz = (char *) realloc (*argz, *argz_len + nlen); | |
36 | if (*argz == NULL) | |
37 | return ENOMEM; | |
38 | ||
39 | wp = *argz + *argz_len; | |
40 | rp = string; | |
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'); | |
52 | ||
53 | *argz_len += nlen; | |
54 | } | |
55 | ||
56 | return 0; | |
57 | } | |
714a562f | 58 | weak_alias (__argz_add_sep, argz_add_sep) |