mirror of
https://github.com/droidian/libglibutil
synced 2025-11-07 16:51:36 +08:00
[glibutil] Added gutil_objv module. JB#33786
This commit is contained in:
Slava Monich
1
Makefile
1
Makefile
@@ -69,6 +69,7 @@ SRC = \
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gutil_ring.c \
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gutil_strv.c \
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gutil_timenotify.c \
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gutil_objv.c \
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gutil_version.c \
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gutil_weakref.c
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118
include/gutil_objv.h
Normal file
118
include/gutil_objv.h
Normal file
@@ -0,0 +1,118 @@
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/*
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* Copyright (C) 2023 Slava Monich <slava@monich.com>
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*
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* You may use this file under the terms of BSD license as follows:
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. Neither the names of the copyright holders nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
|
||||
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
|
||||
* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef GUTIL_OBJV_H
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#define GUTIL_OBJV_H
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#include "gutil_types.h"
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#include <glib-object.h>
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/*
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* Operations on NULL-terminated array of references to GObjects.
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*
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* Since 1.0.70
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*/
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G_BEGIN_DECLS
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void
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gutil_objv_free(
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GObject** objv);
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GObject**
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gutil_objv_copy(
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GObject* const* objv)
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G_GNUC_WARN_UNUSED_RESULT;
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GObject**
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gutil_objv_add(
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GObject** objv,
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GObject* obj)
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G_GNUC_WARN_UNUSED_RESULT;
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GObject**
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gutil_objv_remove(
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GObject** objv,
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GObject* obj,
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gboolean all)
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G_GNUC_WARN_UNUSED_RESULT;
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GObject**
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gutil_objv_remove_at(
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GObject** objv,
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gsize pos)
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G_GNUC_WARN_UNUSED_RESULT;
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GObject*
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gutil_objv_at(
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GObject* const* objv,
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gsize pos);
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gboolean
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gutil_objv_equal(
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GObject* const* objv1,
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GObject* const* objv2);
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GObject*
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gutil_objv_first(
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GObject* const* objv);
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GObject*
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gutil_objv_last(
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GObject* const* objv);
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gssize
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gutil_objv_find(
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GObject* const* objv,
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GObject* obj);
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gssize
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gutil_objv_find_last(
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GObject* const* objv,
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GObject* obj);
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gboolean
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gutil_objv_contains(
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GObject* const* objv,
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GObject* obj);
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G_END_DECLS
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#endif /* GUTIL_OBJV_H */
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/*
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* Local Variables:
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* mode: C
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* c-basic-offset: 4
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* indent-tabs-mode: nil
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* End:
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*/
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257
src/gutil_objv.c
Normal file
257
src/gutil_objv.c
Normal file
@@ -0,0 +1,257 @@
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/*
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* Copyright (C) 2023 Slava Monich <slava@monich.com>
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*
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* You may use this file under the terms of BSD license as follows:
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. Neither the names of the copyright holders nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
|
||||
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
|
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "gutil_objv.h"
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#include "gutil_misc.h"
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void
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gutil_objv_free(
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GObject** objv)
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{
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if (objv) {
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GObject** ptr = objv;
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while (*ptr) g_object_unref(*ptr++);
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g_free(objv);
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}
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}
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GObject**
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gutil_objv_copy(
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GObject* const* objv)
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{
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if (objv) {
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GObject* const* ptr = objv;
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gsize n = 0;
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/* Count the services and bump references at the same time */
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while (*ptr) {
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g_object_ref(*ptr++);
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n++;
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}
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return gutil_memdup(objv, sizeof(GObject*) * (n + 1));
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}
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return NULL;
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}
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GObject**
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gutil_objv_add(
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GObject** objv,
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GObject* obj)
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{
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if (obj) {
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gsize len = gutil_ptrv_length(objv);
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objv = g_renew(GObject*, objv, len + 2);
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g_object_ref(objv[len++] = obj);
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objv[len] = NULL;
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}
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return objv;
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}
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static
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gssize
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gutil_objv_find_last_impl(
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GObject* const* objv,
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GObject* obj,
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gsize i /* exclisive */)
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{
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while (i > 0) {
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if (objv[--i] == obj) {
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return i;
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}
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}
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return -1;
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}
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static
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GObject**
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gutil_objv_remove_impl(
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GObject** objv,
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gsize pos,
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gsize len)
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{
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g_object_unref(objv[pos]);
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memmove(objv + pos, objv + pos + 1, sizeof(GObject*) * (len - pos));
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return g_realloc(objv, sizeof(GObject*) * len);
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}
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GObject**
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gutil_objv_remove(
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GObject** objv,
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GObject* obj,
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gboolean all)
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{
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if (objv && obj) {
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const gssize pos = gutil_objv_find(objv, obj);
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if (pos >= 0) {
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gsize len = gutil_ptrv_length(objv);
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objv = gutil_objv_remove_impl(objv, pos, len);
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if (all) {
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gssize i, l;
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len--;
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l = len - pos;
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while ((i = gutil_objv_find_last_impl(objv + pos,
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obj, l)) >= 0) {
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objv = gutil_objv_remove_impl(objv, pos + i, len--);
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l = i;
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}
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}
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}
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}
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return objv;
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}
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GObject**
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gutil_objv_remove_at(
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GObject** objv,
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gsize pos)
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{
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if (objv) {
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const gsize len = gutil_ptrv_length(objv);
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if (pos < len) {
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objv = gutil_objv_remove_impl(objv, pos, len);
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}
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}
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return objv;
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}
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GObject*
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gutil_objv_at(
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GObject* const* objv,
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gsize pos)
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{
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if (objv) {
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guint i = 0;
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while (objv[i] && i < pos) i++;
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if (i == pos) {
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/* We also end up here if i == len but that's OK */
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return objv[pos];
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}
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}
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return NULL;
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}
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gboolean
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gutil_objv_equal(
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GObject* const* v1,
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GObject* const* v2)
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{
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if (v1 == v2) {
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return TRUE;
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} else if (!v1) {
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return !v2[0];
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} else if (!v2) {
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return !v1[0];
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} else {
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gsize len = 0;
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while (v1[len] && v1[len] == v2[len]) len++;
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return !v1[len] && !v2[len];
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}
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}
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GObject*
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gutil_objv_first(
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GObject* const* objv)
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{
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return objv ? objv[0] : NULL;
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}
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GObject*
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gutil_objv_last(
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GObject* const* objv)
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{
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if (objv && objv[0]) {
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GObject* const* ptr = objv;
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while (ptr[1]) ptr++;
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return *ptr;
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}
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return NULL;
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}
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gssize
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gutil_objv_find(
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GObject* const* objv,
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GObject* obj)
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{
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if (objv && obj) {
|
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GObject* const* ptr;
|
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|
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for (ptr = objv; *ptr; ptr++) {
|
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if (*ptr == obj) {
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return ptr - objv;
|
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}
|
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}
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
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gssize
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gutil_objv_find_last(
|
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GObject* const* objv,
|
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GObject* obj)
|
||||
{
|
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return (objv && obj) ?
|
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gutil_objv_find_last_impl(objv, obj, gutil_ptrv_length(objv)) :
|
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-1;
|
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}
|
||||
|
||||
gboolean
|
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gutil_objv_contains(
|
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GObject* const* objv,
|
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GObject* obj)
|
||||
{
|
||||
if (objv && obj) {
|
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GObject* const* ptr;
|
||||
|
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for (ptr = objv; *ptr; ptr++) {
|
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if (*ptr == obj) {
|
||||
return TRUE;
|
||||
}
|
||||
}
|
||||
}
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
/*
|
||||
* Local Variables:
|
||||
* mode: C
|
||||
* c-basic-offset: 4
|
||||
* indent-tabs-mode: nil
|
||||
* End:
|
||||
*/
|
||||
@@ -11,6 +11,7 @@ all:
|
||||
@$(MAKE) -C test_ints $*
|
||||
@$(MAKE) -C test_log $*
|
||||
@$(MAKE) -C test_misc $*
|
||||
@$(MAKE) -C test_objv $*
|
||||
@$(MAKE) -C test_ring $*
|
||||
@$(MAKE) -C test_strv $*
|
||||
@$(MAKE) -C test_weakref $*
|
||||
|
||||
@@ -13,6 +13,7 @@ test_intarray \
|
||||
test_ints \
|
||||
test_log \
|
||||
test_misc \
|
||||
test_objv \
|
||||
test_ring \
|
||||
test_strv \
|
||||
test_weakref"
|
||||
|
||||
5
test/test_objv/Makefile
Normal file
5
test/test_objv/Makefile
Normal file
@@ -0,0 +1,5 @@
|
||||
# -*- Mode: makefile-gmake -*-
|
||||
|
||||
EXE = test_objv
|
||||
|
||||
include ../common/Makefile
|
||||
232
test/test_objv/test_objv.c
Normal file
232
test/test_objv/test_objv.c
Normal file
@@ -0,0 +1,232 @@
|
||||
/*
|
||||
* Copyright (C) 2023 Slava Monich <slava@monich.com>
|
||||
*
|
||||
* You may use this file under the terms of BSD license as follows:
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
* 3. Neither the names of the copyright holders nor the names of its
|
||||
* contributors may be used to endorse or promote products derived
|
||||
* from this software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
||||
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
|
||||
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
||||
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
||||
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
||||
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
||||
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
||||
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
|
||||
* THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include "test_common.h"
|
||||
|
||||
#include "gutil_objv.h"
|
||||
#include "gutil_misc.h"
|
||||
|
||||
static TestOpt test_opt;
|
||||
|
||||
/*==========================================================================*
|
||||
* null
|
||||
*==========================================================================*/
|
||||
|
||||
static
|
||||
void
|
||||
test_null(
|
||||
void)
|
||||
{
|
||||
g_assert(!gutil_objv_copy(NULL));
|
||||
g_assert(!gutil_objv_add(NULL, NULL));
|
||||
g_assert(!gutil_objv_remove(NULL, NULL, FALSE));
|
||||
g_assert(!gutil_objv_remove_at(NULL, 0));
|
||||
g_assert(!gutil_objv_at(NULL, 0));
|
||||
g_assert(!gutil_objv_first(NULL));
|
||||
g_assert(!gutil_objv_last(NULL));
|
||||
g_assert(!gutil_objv_contains(NULL, NULL));
|
||||
g_assert_cmpint(gutil_objv_find(NULL, NULL), < ,0);
|
||||
g_assert_cmpint(gutil_objv_find_last(NULL, NULL), < ,0);
|
||||
g_assert(gutil_objv_equal(NULL, NULL));
|
||||
gutil_objv_free(NULL);
|
||||
}
|
||||
|
||||
/*==========================================================================*
|
||||
* basic
|
||||
*==========================================================================*/
|
||||
|
||||
static
|
||||
void
|
||||
test_basic(
|
||||
void)
|
||||
{
|
||||
GObject* o1 = g_object_new(TEST_OBJECT_TYPE, NULL);
|
||||
GObject* o2 = g_object_new(TEST_OBJECT_TYPE, NULL);
|
||||
GObject** v = gutil_objv_add(NULL, o1);
|
||||
GWeakRef r1, r2;
|
||||
|
||||
g_weak_ref_init(&r1, o1);
|
||||
g_weak_ref_init(&r2, o2);
|
||||
|
||||
/* v keeps references to both objects */
|
||||
g_object_unref(o1);
|
||||
g_assert(g_weak_ref_get(&r1) == o1);
|
||||
g_object_unref(o1);
|
||||
|
||||
g_assert(gutil_objv_contains(v, o1));
|
||||
g_assert(!gutil_objv_contains(v, o2));
|
||||
|
||||
g_assert_cmpuint(gutil_ptrv_length(v), == ,1);
|
||||
v = gutil_objv_add(v, o2);
|
||||
g_assert_cmpuint(gutil_ptrv_length(v), == ,2);
|
||||
g_assert(gutil_objv_contains(v, o2));
|
||||
|
||||
g_assert(gutil_objv_at(v, 0) == o1);
|
||||
g_assert(gutil_objv_at(v, 1) == o2);
|
||||
g_assert(!gutil_objv_at(v, 2));
|
||||
g_assert(!gutil_objv_at(v, 3));
|
||||
|
||||
g_assert(gutil_objv_first(v) == o1);
|
||||
g_assert(gutil_objv_last(v) == o2);
|
||||
g_assert_cmpint(gutil_objv_find(v, o1), == ,0);
|
||||
g_assert_cmpint(gutil_objv_find_last(v, o1), == ,0);
|
||||
|
||||
v = gutil_objv_remove(v, o1, FALSE);
|
||||
g_assert_cmpuint(gutil_ptrv_length(v), == ,1);
|
||||
g_assert(!gutil_objv_at(v, 1));
|
||||
g_assert(gutil_objv_remove(v, o1, FALSE) == v);
|
||||
g_assert(gutil_objv_remove(v, NULL, FALSE) == v);
|
||||
g_assert_cmpuint(gutil_ptrv_length(v), == ,1);
|
||||
g_assert(!g_weak_ref_get(&r1));
|
||||
|
||||
g_object_unref(o2);
|
||||
gutil_objv_free(v);
|
||||
g_assert(!g_weak_ref_get(&r2));
|
||||
}
|
||||
|
||||
/*==========================================================================*
|
||||
* copy
|
||||
*==========================================================================*/
|
||||
|
||||
static
|
||||
void
|
||||
test_copy(
|
||||
void)
|
||||
{
|
||||
GObject* o1 = g_object_new(TEST_OBJECT_TYPE, NULL);
|
||||
GObject* o2 = g_object_new(TEST_OBJECT_TYPE, NULL);
|
||||
GObject** v1;
|
||||
GObject** v2;
|
||||
GWeakRef r1, r2;
|
||||
|
||||
g_weak_ref_init(&r1, o1);
|
||||
g_weak_ref_init(&r2, o2);
|
||||
|
||||
v1 = gutil_objv_add(gutil_objv_add(NULL, o1), o2);
|
||||
v2 = gutil_objv_copy(v1);
|
||||
|
||||
/* Don't need these references anymore */
|
||||
g_object_unref(o1);
|
||||
g_object_unref(o2);
|
||||
|
||||
g_assert_cmpuint(gutil_ptrv_length(v1), == ,2);
|
||||
g_assert_cmpuint(gutil_ptrv_length(v2), == ,2);
|
||||
g_assert(gutil_objv_equal(v1, v2));
|
||||
g_assert(gutil_objv_equal(v2, v1));
|
||||
g_assert(gutil_objv_equal(v1, v1));
|
||||
|
||||
v1 = gutil_objv_remove_at(v1, 1);
|
||||
g_assert(!gutil_objv_equal(v1, v2));
|
||||
g_assert(!gutil_objv_equal(v2, v1));
|
||||
g_assert(!gutil_objv_equal(v1, NULL));
|
||||
g_assert(!gutil_objv_equal(NULL, v1));
|
||||
|
||||
v2 = gutil_objv_remove_at(v2, 0);
|
||||
g_assert(!gutil_objv_equal(v1, v2));
|
||||
g_assert(!gutil_objv_equal(v2, v1));
|
||||
|
||||
v1 = gutil_objv_remove_at(v1, 0);
|
||||
g_assert(gutil_objv_remove_at(v1, 0) == v1);
|
||||
g_assert(gutil_objv_equal(v1, NULL));
|
||||
g_assert(gutil_objv_equal(NULL, v1));
|
||||
g_assert(!gutil_objv_first(v1));
|
||||
g_assert(!gutil_objv_last(v1));
|
||||
|
||||
g_assert_cmpint(gutil_objv_find(v1, NULL), < ,0);
|
||||
g_assert_cmpint(gutil_objv_find_last(v1, NULL), < ,0);
|
||||
g_assert_cmpint(gutil_objv_find(v1, o1), < ,0);
|
||||
g_assert_cmpint(gutil_objv_find_last(v1, o1), < ,0);
|
||||
g_assert(!gutil_objv_contains(v1, NULL));
|
||||
g_assert(!gutil_objv_contains(v1, o1));
|
||||
|
||||
gutil_objv_free(v1);
|
||||
gutil_objv_free(v2);
|
||||
|
||||
g_assert(!g_weak_ref_get(&r1));
|
||||
g_assert(!g_weak_ref_get(&r2));
|
||||
}
|
||||
|
||||
/*==========================================================================*
|
||||
* remove
|
||||
*==========================================================================*/
|
||||
|
||||
static
|
||||
void
|
||||
test_remove(
|
||||
void)
|
||||
{
|
||||
GObject* o1 = g_object_new(TEST_OBJECT_TYPE, NULL);
|
||||
GObject* o2 = g_object_new(TEST_OBJECT_TYPE, NULL);
|
||||
GObject** v;
|
||||
GWeakRef r1, r2;
|
||||
|
||||
g_weak_ref_init(&r1, o1);
|
||||
g_weak_ref_init(&r2, o2);
|
||||
v = gutil_objv_add(gutil_objv_add(gutil_objv_add(NULL, o1), o2), o1);
|
||||
g_assert_cmpint(gutil_objv_find(v, o1), == ,0);
|
||||
g_assert_cmpint(gutil_objv_find_last(v, o1), == ,2);
|
||||
v = gutil_objv_remove(v, o1, TRUE);
|
||||
g_assert_cmpuint(gutil_ptrv_length(v), == ,1);
|
||||
g_assert(!gutil_objv_contains(v, o1));
|
||||
gutil_objv_free(v);
|
||||
|
||||
g_object_unref(o1);
|
||||
g_object_unref(o2);
|
||||
|
||||
g_assert(!g_weak_ref_get(&r1));
|
||||
g_assert(!g_weak_ref_get(&r2));
|
||||
}
|
||||
|
||||
/*==========================================================================*
|
||||
* Common
|
||||
*==========================================================================*/
|
||||
|
||||
#define TEST_(t) "/objv/" t
|
||||
|
||||
int main(int argc, char* argv[])
|
||||
{
|
||||
g_type_init();
|
||||
g_test_init(&argc, &argv, NULL);
|
||||
g_test_add_func(TEST_("null"), test_null);
|
||||
g_test_add_func(TEST_("basic"), test_basic);
|
||||
g_test_add_func(TEST_("copy"), test_copy);
|
||||
g_test_add_func(TEST_("remove"), test_remove);
|
||||
test_init(&test_opt, argc, argv);
|
||||
return g_test_run();
|
||||
}
|
||||
|
||||
/*
|
||||
* Local Variables:
|
||||
* mode: C
|
||||
* c-basic-offset: 4
|
||||
* indent-tabs-mode: nil
|
||||
* End:
|
||||
*/
|
||||
Reference in New Issue
Block a user