Beispiel #1
0
void
sf_push (void)
{
    if (_sf_top_ix + 1 >= _sf_max)
        _sf_stk = (scanflags_t*) flex_realloc ( (void*) _sf_stk, sizeof(scanflags_t) * (_sf_max += 32));

    // copy the top element
    _sf_stk[_sf_top_ix + 1] = _sf_stk[_sf_top_ix];
    ++_sf_top_ix;
}
Beispiel #2
0
void *reallocate_array(void *array, int size, size_t element_size)
	{
	void *new_array;
	size_t num_bytes = element_size * size;

	new_array = flex_realloc( array, num_bytes );
	if ( ! new_array )
		flexfatal( _( "attempt to increase array size failed" ) );

	return new_array;
	}
Beispiel #3
0
/* Allocate and initialize an external filter.
 * @param chain the current chain or NULL for new chain
 * @param cmd the command to execute.
 * @param ... a NULL terminated list of (const char*) arguments to command,
 *            not including argv[0].
 * @return newest filter in chain
 */
struct filter *filter_create_ext (struct filter *chain, const char *cmd,
				  ...)
{
	struct filter *f;
	int     max_args;
	const char *s;
	va_list ap;

	/* allocate and initialize new filter */
	f = (struct filter *) flex_alloc (sizeof (struct filter));
	if (!f)
		flexerror (_("flex_alloc failed (f) in filter_create_ext"));
	memset (f, 0, sizeof (*f));
	f->filter_func = NULL;
	f->extra = NULL;
	f->next = NULL;
	f->argc = 0;

	if (chain != NULL) {
		/* append f to end of chain */
		while (chain->next)
			chain = chain->next;
		chain->next = f;
	}


	/* allocate argv, and populate it with the argument list. */
	max_args = 8;
	f->argv =
		(const char **) flex_alloc (sizeof (char *) *
					    (max_args + 1));
	if (!f->argv)
		flexerror (_("flex_alloc failed (f->argv) in filter_create_ext"));
	f->argv[f->argc++] = cmd;

	va_start (ap, cmd);
	while ((s = va_arg (ap, const char *)) != NULL) {
		if (f->argc >= max_args) {
			max_args += 8;
			f->argv =
				(const char **) flex_realloc (f->argv,
							      sizeof (char
								      *) *
							      (max_args +
							       1));
		}
		f->argv[f->argc++] = s;
	}
	f->argv[f->argc] = NULL;

	va_end (ap);
	return f;
}
Beispiel #4
0
/* reallocate_array - increase the size of a dynamic array */
void *
reallocate_array(void *array, long size, size_t element_size)
{
    void *new_array = 0;

    if (size > 0) {
	size_t num_bytes = element_size * (unsigned) size;

	new_array = flex_realloc(array, num_bytes);
    }
    if (!new_array)
	flexfatal(_("attempt to increase array size failed"));

    return new_array;
}
Beispiel #5
0
static void sko_push(bool dc)
{
    if(!sko_stack){
        sko_sz = 1;
        sko_stack = (struct sko_state*)flex_alloc(sizeof(struct sko_state)*sko_sz);
        if (!sko_stack)
            flexfatal(_("allocation of sko_stack failed"));
        sko_len = 0;
    }
    if(sko_len >= sko_sz){
        sko_sz *= 2;
        sko_stack = (struct sko_state*)flex_realloc(sko_stack,sizeof(struct sko_state)*sko_sz);
    }
    
    /* initialize to zero and push */
    sko_stack[sko_len].dc = dc;
    sko_len++;
}