C++ (Cpp) ZIP_EF_IS_INTERNAL Examples

Example #1

File: zip_extra_field.c Project: 0x1111/php-src

struct zip_extra_field *
_zip_ef_remove_internal(struct zip_extra_field *ef)
{
    struct zip_extra_field *ef_head;
    struct zip_extra_field *prev, *next;
    
    ef_head = ef;
    prev = NULL;
    
    while (ef) {
        if (ZIP_EF_IS_INTERNAL(ef->id)) {
            next = ef->next;
            if (ef_head == ef)
                ef_head = next;
            ef->next = NULL;
            _zip_ef_free(ef);
            if (prev)
                prev->next = next;
            ef = next;
        }
        else {
            prev = ef;
            ef = ef->next;
        }
    }
    
    return ef_head;
}

Example #2

File: zip_extra_field_api.c Project: lennonchan/TeamTalk

ZIP_EXTERN int
zip_file_extra_field_set(struct zip *za, zip_uint64_t idx, zip_uint16_t ef_id, zip_uint16_t ef_idx, const zip_uint8_t *data, zip_uint16_t len, zip_flags_t flags)
{
    struct zip_dirent *de;
    zip_uint16_t ls, cs;
    struct zip_extra_field *ef, *ef_prev, *ef_new;
    int i, found, new_len;

    if ((flags & ZIP_EF_BOTH) == 0) {
	_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
	return -1;
    }

    if (_zip_get_dirent(za, idx, 0, NULL) == NULL)
	return -1;
    
    if (ZIP_IS_RDONLY(za)) {
	_zip_error_set(&za->error, ZIP_ER_RDONLY, 0);
	return -1;
    }
    
    if (ZIP_EF_IS_INTERNAL(ef_id)) {
	_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
	return -1;
    }

    if (_zip_file_extra_field_prepare_for_change(za, idx) < 0)
        return -1;
    
    de = za->entry[idx].changes;

    ef = de->extra_fields;
    ef_prev = NULL;
    i = 0;
    found = 0;

    for (; ef; ef=ef->next) {
	if (ef->id == ef_id && (ef->flags & flags & ZIP_EF_BOTH)) {
	    if (i == ef_idx) {
		found = 1;
		break;
	    }
	    i++;
	}
	ef_prev = ef;
    }

    if (i < ef_idx && ef_idx != ZIP_EXTRA_FIELD_NEW) {
	_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
	return -1;
    }

    if (flags & ZIP_EF_LOCAL)
	ls = _zip_ef_size(de->extra_fields, ZIP_EF_LOCAL);
    else
	ls = 0;
    if (flags & ZIP_EF_CENTRAL)
	cs = _zip_ef_size(de->extra_fields, ZIP_EF_CENTRAL);
    else
	cs = 0;

    new_len = ls > cs ? ls : cs;
    if (found)
	new_len -= ef->size + 4;
    new_len += len + 4;

    if (new_len > ZIP_UINT16_MAX) {
	_zip_error_set(&za->error, ZIP_ER_INVAL, 0);
	return -1;
    }
    
    if ((ef_new=_zip_ef_new(ef_id, len, data, flags)) == NULL) {
	_zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
	return -1;
    }

    if (found) {
	if ((ef->flags & ZIP_EF_BOTH) == (flags & ZIP_EF_BOTH)) {
	    ef_new->next = ef->next;
	    ef->next = NULL;
	    _zip_ef_free(ef);
	    if (ef_prev)
		ef_prev->next = ef_new;
	    else
		de->extra_fields = ef_new;
	}
	else {
	    ef->flags &= ~(flags & ZIP_EF_BOTH);
	    ef_new->next = ef->next;
	    ef->next = ef_new;
	}	    
    }
    else if (ef_prev) {
	ef_new->next = ef_prev->next;
	ef_prev->next = ef_new;
    }
    else
	de->extra_fields = ef_new;
    
    return 0;
}