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49 lines
1.6 KiB
C
49 lines
1.6 KiB
C
/* Routines for dealing with '\0' separated arg vectors.
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Copyright (C) 1995-2023 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <argz.h>
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#include <string.h>
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#include <stdlib.h>
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/* Add BUF, of length BUF_LEN to the argz vector in ARGZ & ARGZ_LEN. */
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error_t
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__argz_append (char **argz, size_t *argz_len, const char *buf, size_t buf_len)
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{
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size_t new_argz_len = *argz_len + buf_len;
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char *new_argz = realloc (*argz, new_argz_len);
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if (new_argz)
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{
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memcpy (new_argz + *argz_len, buf, buf_len);
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*argz = new_argz;
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*argz_len = new_argz_len;
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return 0;
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}
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else
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return ENOMEM;
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}
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weak_alias (__argz_append, argz_append)
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/* Add STR to the argz vector in ARGZ & ARGZ_LEN. This should be moved into
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argz.c in libshouldbelibc. */
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error_t
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__argz_add (char **argz, size_t *argz_len, const char *str)
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{
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return __argz_append (argz, argz_len, str, strlen (str) + 1);
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}
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weak_alias (__argz_add, argz_add)
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