| 1 | /* Routines for dealing with '\0' separated arg vectors. |
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| 2 | Copyright (C) 1995-2022 Free Software Foundation, Inc. |
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| 3 | This file is part of the GNU C Library. |
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| 4 | |
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| 5 | The GNU C Library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Lesser General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2.1 of the License, or (at your option) any later version. |
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| 9 | |
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| 10 | The GNU C Library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Lesser General Public License for more details. |
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| 14 | |
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| 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 |
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| 17 | <https://www.gnu.org/licenses/>. */ |
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| 18 | |
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| 19 | #include <argz.h> |
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| 20 | #include <string.h> |
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| 21 | #include <stdlib.h> |
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| 22 | |
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| 23 | /* Add BUF, of length BUF_LEN to the argz vector in ARGZ & ARGZ_LEN. */ |
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| 24 | error_t |
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| 25 | __argz_append (char **argz, size_t *argz_len, const char *buf, size_t buf_len) |
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| 26 | { |
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| 27 | size_t new_argz_len = *argz_len + buf_len; |
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| 28 | char *new_argz = realloc (ptr: *argz, size: new_argz_len); |
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| 29 | if (new_argz) |
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| 30 | { |
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| 31 | memcpy (new_argz + *argz_len, buf, buf_len); |
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| 32 | *argz = new_argz; |
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| 33 | *argz_len = new_argz_len; |
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| 34 | return 0; |
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| 35 | } |
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| 36 | else |
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| 37 | return ENOMEM; |
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| 38 | } |
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| 39 | weak_alias (__argz_append, argz_append) |
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| 40 | |
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| 41 | /* Add STR to the argz vector in ARGZ & ARGZ_LEN. This should be moved into |
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| 42 | argz.c in libshouldbelibc. */ |
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| 43 | error_t |
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| 44 | __argz_add (char **argz, size_t *argz_len, const char *str) |
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| 45 | { |
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| 46 | return __argz_append (argz, argz_len, buf: str, buf_len: strlen (str) + 1); |
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| 47 | } |
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| 48 | weak_alias (__argz_add, argz_add) |
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| 49 | |
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