facf0c92e0
Red Bear OS is a full fork. All sources must be available from git clone with zero network access. Removed gitignore rules that excluded fetched source trees under recipes/*/source/, local/recipes/kde/*/source/, local/recipes/qt/*/source/, and vendor source trees. Build artifacts (target/, build/, source.tar, *.o, *.so) remain excluded. 127291 files added — kernel, relibc, base, bootloader, pkgar, all KDE/Qt frameworks, mesa, wayland, DRM drivers, and every other recipe source.
301 lines
7.2 KiB
C
301 lines
7.2 KiB
C
/* GNU gettext - internationalization aids
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Copyright (C) 1995, 1998, 2000-2004, 2006, 2009, 2020 Free Software
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Foundation, Inc.
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This file was written by Peter Miller <millerp@canb.auug.org.au>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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/* Specification. */
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#include "str-list.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "xalloc.h"
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/* Initialize an empty list of strings. */
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void
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string_list_init (string_list_ty *slp)
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{
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slp->item = NULL;
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slp->nitems = 0;
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slp->nitems_max = 0;
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}
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/* Return a fresh, empty list of strings. */
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string_list_ty *
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string_list_alloc ()
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{
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string_list_ty *slp;
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slp = XMALLOC (string_list_ty);
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slp->item = NULL;
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slp->nitems = 0;
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slp->nitems_max = 0;
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return slp;
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}
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/* Append a single string to the end of a list of strings. */
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void
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string_list_append (string_list_ty *slp, const char *s)
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{
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/* Grow the list. */
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if (slp->nitems >= slp->nitems_max)
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{
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size_t nbytes;
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slp->nitems_max = slp->nitems_max * 2 + 4;
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nbytes = slp->nitems_max * sizeof (slp->item[0]);
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slp->item = (const char **) xrealloc (slp->item, nbytes);
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}
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/* Add a copy of the string to the end of the list. */
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slp->item[slp->nitems++] = xstrdup (s);
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}
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/* Append a single string to the end of a list of strings, unless it is
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already contained in the list. */
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void
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string_list_append_unique (string_list_ty *slp, const char *s)
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{
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size_t j;
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/* Do nothing if the string is already in the list. */
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for (j = 0; j < slp->nitems; ++j)
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if (strcmp (slp->item[j], s) == 0)
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return;
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/* Grow the list. */
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if (slp->nitems >= slp->nitems_max)
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{
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slp->nitems_max = slp->nitems_max * 2 + 4;
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slp->item = (const char **) xrealloc (slp->item,
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slp->nitems_max
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* sizeof (slp->item[0]));
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}
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/* Add a copy of the string to the end of the list. */
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slp->item[slp->nitems++] = xstrdup (s);
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}
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/* Likewise with a string descriptor as argument. */
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void
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string_list_append_unique_desc (string_list_ty *slp,
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const char *s, size_t s_len)
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{
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size_t j;
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/* Do nothing if the string is already in the list. */
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for (j = 0; j < slp->nitems; ++j)
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if (strlen (slp->item[j]) == s_len && memcmp (slp->item[j], s, s_len) == 0)
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return;
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/* Grow the list. */
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if (slp->nitems >= slp->nitems_max)
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{
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slp->nitems_max = slp->nitems_max * 2 + 4;
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slp->item = (const char **) xrealloc (slp->item,
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slp->nitems_max
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* sizeof (slp->item[0]));
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}
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/* Add a copy of the string to the end of the list. */
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{
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char *copy = XNMALLOC (s_len + 1, char);
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memcpy (copy, s, s_len);
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copy[s_len] = '\0';
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slp->item[slp->nitems++] = copy;
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}
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}
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/* Destroy a list of strings. */
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void
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string_list_destroy (string_list_ty *slp)
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{
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size_t j;
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for (j = 0; j < slp->nitems; ++j)
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free ((char *) slp->item[j]);
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if (slp->item != NULL)
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free (slp->item);
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}
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/* Free a list of strings. */
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void
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string_list_free (string_list_ty *slp)
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{
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size_t j;
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for (j = 0; j < slp->nitems; ++j)
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free ((char *) slp->item[j]);
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if (slp->item != NULL)
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free (slp->item);
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free (slp);
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}
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/* Return a freshly allocated string obtained by concatenating all the
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strings in the list. */
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char *
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string_list_concat (const string_list_ty *slp)
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{
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size_t len;
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size_t j;
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char *result;
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size_t pos;
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len = 1;
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for (j = 0; j < slp->nitems; ++j)
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len += strlen (slp->item[j]);
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result = XNMALLOC (len, char);
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pos = 0;
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for (j = 0; j < slp->nitems; ++j)
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{
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len = strlen (slp->item[j]);
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memcpy (result + pos, slp->item[j], len);
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pos += len;
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}
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result[pos] = '\0';
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return result;
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}
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/* Return a freshly allocated string obtained by concatenating all the
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strings in the list, and destroy the list. */
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char *
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string_list_concat_destroy (string_list_ty *slp)
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{
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char *result;
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/* Optimize the most frequent case. */
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if (slp->nitems == 1)
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{
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result = (char *) slp->item[0];
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free (slp->item);
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}
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else
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{
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result = string_list_concat (slp);
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string_list_destroy (slp);
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}
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return result;
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}
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/* Return a freshly allocated string obtained by concatenating all the
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strings in the list, separated by the separator string, terminated
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by the terminator character. The terminator character is not added if
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drop_redundant_terminator is true and the last string already ends with
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the terminator. */
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char *
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string_list_join (const string_list_ty *slp, const char *separator,
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char terminator, bool drop_redundant_terminator)
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{
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size_t separator_len = strlen (separator);
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size_t len;
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size_t j;
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char *result;
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size_t pos;
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len = 1;
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for (j = 0; j < slp->nitems; ++j)
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{
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if (j > 0)
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len += separator_len;
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len += strlen (slp->item[j]);
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}
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if (terminator)
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++len;
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result = XNMALLOC (len, char);
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pos = 0;
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for (j = 0; j < slp->nitems; ++j)
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{
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if (j > 0)
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{
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memcpy (result + pos, separator, separator_len);
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pos += separator_len;
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}
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len = strlen (slp->item[j]);
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memcpy (result + pos, slp->item[j], len);
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pos += len;
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}
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if (terminator
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&& !(drop_redundant_terminator
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&& slp->nitems > 0
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&& (len = strlen (slp->item[slp->nitems - 1])) > 0
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&& slp->item[slp->nitems - 1][len - 1] == terminator))
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result[pos++] = terminator;
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result[pos] = '\0';
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return result;
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}
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/* Return 1 if s is contained in the list of strings, 0 otherwise. */
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bool
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string_list_member (const string_list_ty *slp, const char *s)
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{
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size_t j;
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for (j = 0; j < slp->nitems; ++j)
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if (strcmp (slp->item[j], s) == 0)
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return true;
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return false;
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}
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/* Likewise with a string descriptor as argument. */
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bool
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string_list_member_desc (const string_list_ty *slp, const char *s, size_t s_len)
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{
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size_t j;
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for (j = 0; j < slp->nitems; ++j)
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if (strlen (slp->item[j]) == s_len && memcmp (slp->item[j], s, s_len) == 0)
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return true;
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return false;
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}
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/* Remove s from the list of strings. Return the removed string or NULL. */
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const char *
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string_list_remove (string_list_ty *slp, const char *s)
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{
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size_t j;
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for (j = 0; j < slp->nitems; ++j)
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if (strcmp (slp->item[j], s) == 0)
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{
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const char *found = slp->item[j];
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slp->nitems--;
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if (slp->nitems > j)
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memmove (&slp->item[j + 1], &slp->item[j],
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(slp->nitems - j) * sizeof (const char *));
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return found;
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}
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return NULL;
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}
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