Beispiel #1
0
mempool_t *create_mempool(size_t alloc_size, size_t pool_size) {
#ifdef DIAGNOSTICS
    printf("creating mempool alloc size %lu pool size %lu\n", alloc_size, pool_size);
#endif
    mempool_t *pool = malloc(sizeof(mempool_t));
    if (!pool)
        err_oom("mempool_create");
    pool->next = NULL;
    pool->alloc_size = alloc_size;
    pool->pool_size = pool_size;
    pool->mem_start = calloc(alloc_size, pool_size);
    if (!pool->mem_start)
        err_oom("mempool_create");
    pool->mem_end = pool->mem_start + alloc_size*pool_size;
    pool->alloc_ptr = pool->mem_start;
    pool->free_spots_size = 0;
    pool->free_spots_res = 128;
    pool->free_spots = calloc(sizeof(void*), pool->free_spots_res);
    if (!pool->free_spots)
        err_oom("mempool_create");
    return pool;
}
Beispiel #2
0
static void add_structured_data_param(struct list_head *ls, const char *param)
{
	struct structured_data *sd;

	if (list_empty(ls))
		errx(EXIT_FAILURE, _("--sd-id was not specified for --sd-param %s"), param);

	assert(param);

	sd = list_last_entry(ls, struct structured_data, sds);

	if (strv_extend(&sd->params,  param))
		err_oom();
}
Beispiel #3
0
int main(int argc, char *argv[])
{
	struct libscols_table *tb;
	struct libscols_symbols *sy;
	struct libscols_cell *title;

	setlocale(LC_ALL, "");	/* just to have enable UTF8 chars */

	scols_init_debug(0);

	tb = scols_new_table();
	if (!tb)
		err(EXIT_FAILURE, "failed to create output table");

	scols_table_enable_colors(tb, isatty(STDOUT_FILENO));
	setup_columns(tb);
	add_line(tb, "foo", "bla bla bla");
	add_line(tb, "bar", "alb alb alb");

	title = scols_table_get_title(tb);

	/* right */
	scols_cell_set_data(title, "This is right title");
	scols_cell_set_color(title, "red");
	scols_cell_set_flags(title, SCOLS_CELL_FL_RIGHT);
	scols_print_table(tb);

	/* center */
	sy = scols_new_symbols();
	if (!sy)
		err_oom();
	scols_table_set_symbols(tb, sy);

	scols_symbols_set_title_padding(sy, "=");
	scols_cell_set_data(title, "This is center title (with padding)");
	scols_cell_set_color(title, "green");
	scols_cell_set_flags(title, SCOLS_CELL_FL_CENTER);
	scols_print_table(tb);

	/* left */
	scols_symbols_set_title_padding(sy, "-");
	scols_cell_set_data(title, "This is left title (with padding)");
	scols_cell_set_color(title, "blue");
	scols_cell_set_flags(title, SCOLS_CELL_FL_LEFT);
	scols_print_table(tb);

	scols_unref_table(tb);
	return EXIT_SUCCESS;
}
Beispiel #4
0
static void add_structured_data_paramf(struct list_head *ls, const char *fmt, ...)
{
	struct structured_data *sd;
	va_list ap;
	int x;

	assert(!list_empty(ls));
	assert(fmt);

	sd = list_last_entry(ls, struct structured_data, sds);
	va_start(ap, fmt);
	x = strv_extendv(&sd->params, fmt, ap);
	va_end(ap);

	if (x)
		err_oom();
}
Beispiel #5
0
void mempool_free(mempool_t *pool, void *ptr) {
    /* Check if the pointer is in this pool */
    if (pool->mem_start <= (char*)ptr && (char*)ptr <= pool->mem_end) {
        if (pool->free_spots_size == pool->free_spots_res) {
            size_t new_size = 2*sizeof(char*)*pool->free_spots_res;
            char **new_arr = realloc(pool->free_spots, new_size);
            if (!new_arr)
                err_oom("mempool_free");
            pool->free_spots = new_arr;
            pool->free_spots_res *= 2;
        }
        pool->free_spots[pool->free_spots_size] = ptr;
        pool->free_spots_size++;
        return;
    } else if (pool->next) {
        mempool_free(pool->next, ptr);
        return;
    } else {
        fprintf(stderr, "tried to mempool_free a pointer not in the memory pool!\n");
        exit(EXIT_FAILURE);
    }
}
Beispiel #6
0
int main(int argc, char *argv[])
{
	struct libscols_table *tb;
	struct libscols_symbols *sy;
	struct libscols_cell *title;
	int c;

	static const struct option longopts[] = {
		{ "maxout", 0, NULL, 'm' },
		{ "width",  1, NULL, 'w' },
		{ NULL, 0, NULL, 0 },
	};

	setlocale(LC_ALL, "");	/* just to have enable UTF8 chars */

	scols_init_debug(0);

	tb = scols_new_table();
	if (!tb)
		err(EXIT_FAILURE, "failed to create output table");

	while((c = getopt_long(argc, argv, "mw:", longopts, NULL)) != -1) {
		switch(c) {
		case 'm':
			scols_table_enable_maxout(tb, TRUE);
			break;
		case 'w':
			scols_table_set_termforce(tb, SCOLS_TERMFORCE_ALWAYS);
			scols_table_set_termwidth(tb, strtou32_or_err(optarg, "failed to parse terminal width"));
			break;
		}
	}

	scols_table_enable_colors(tb, isatty(STDOUT_FILENO));
	setup_columns(tb);
	add_line(tb, "foo", "bla bla bla");
	add_line(tb, "bar", "alb alb alb");

	title = scols_table_get_title(tb);

	/* right */
	scols_cell_set_data(title, "This is right title");
	scols_cell_set_color(title, "red");
	scols_cell_set_flags(title, SCOLS_CELL_FL_RIGHT);
	scols_print_table(tb);

	/* center */
	sy = scols_new_symbols();
	if (!sy)
		err_oom();
	scols_table_set_symbols(tb, sy);

	scols_symbols_set_title_padding(sy, "=");
	scols_cell_set_data(title, "This is center title (with padding)");
	scols_cell_set_color(title, "green");
	scols_cell_set_flags(title, SCOLS_CELL_FL_CENTER);
	scols_print_table(tb);

	/* left */
	scols_symbols_set_title_padding(sy, "-");
	scols_cell_set_data(title, "This is left title (with padding)");
	scols_cell_set_color(title, "blue");
	scols_cell_set_flags(title, SCOLS_CELL_FL_LEFT);
	scols_print_table(tb);

	scols_unref_table(tb);
	return EXIT_SUCCESS;
}