looking-glass/common/src/stringlist.c
2024-02-01 17:16:31 +11:00

98 lines
2.1 KiB
C

/**
* Looking Glass
* Copyright © 2017-2024 The Looking Glass Authors
* https://looking-glass.io
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc., 59
* Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "common/stringlist.h"
#include "common/vector.h"
#include "common/debug.h"
#include <stdlib.h>
struct StringList
{
bool owns_strings;
Vector vector;
};
StringList stringlist_new(bool owns_strings)
{
StringList sl = malloc(sizeof(*sl));
if (!sl)
{
DEBUG_ERROR("out of memory");
return NULL;
}
sl->owns_strings = owns_strings;
if (!vector_create(&sl->vector, sizeof(char *), 32))
{
free(sl);
return NULL;
}
return sl;
}
void stringlist_free(StringList * sl)
{
stringlist_clear(*sl);
vector_destroy(&(*sl)->vector);
free((*sl));
*sl = NULL;
}
int stringlist_push(StringList sl, char * str)
{
int index = vector_size(&sl->vector);
vector_push(&sl->vector, &str);
return index;
}
void stringlist_remove(StringList sl, unsigned int index)
{
vector_remove(&sl->vector, index);
}
unsigned int stringlist_count(StringList sl)
{
return vector_size(&sl->vector);
}
char * stringlist_at(StringList sl, unsigned int index)
{
if (index >= vector_size(&sl->vector))
return NULL;
char * ptr;
vector_at(&sl->vector, index, &ptr);
return ptr;
}
void stringlist_clear(StringList sl)
{
if (sl->owns_strings)
{
char * ptr;
vector_forEach(ptr, &sl->vector)
free(ptr);
}
vector_clear(&sl->vector);
}