C++ (Cpp) pocli_args_alloc Beispiele

Beispiel #1

Datei: pmemobjcli.c Projekt: stellarhopper/nvml

/*
 * pocli_process -- process input commands
 */
int
pocli_process(struct pocli *pcli)
{
	while (1) {
		pocli_prompt(pcli);

		if (!fgets(pcli->inbuf, (int)pcli->inbuf_len, pcli->in))
			return 0;

		char *nl = strchr(pcli->inbuf, '\n');
		if (!nl)
			return 1;
		*nl = '\0';
		char *hash = strchr(pcli->inbuf, '#');
		if (hash) {
			if (pcli->opts.enable_comments)
				*hash = '\0';
			else
				return 1;
		}

		if (pcli->inbuf[0] == 0 || pcli->inbuf[0] == '\n') {
			if (pcli->opts.enable_empty_cmds)
				continue;
			else
				return 1;
		}

		if (pcli->opts.echo_mode)
			pocli_printf(&pcli->ctx, "%s\n", pcli->inbuf);

		char *argstr = strchr(pcli->inbuf, ' ');
		if (argstr) {
			*argstr = '\0';
			argstr++;
		}
		char *cmds = pcli->inbuf;
		const struct pocli_cmd *cmd = pocli_get_cmd(pcli, cmds);
		if (!cmd) {
			pocli_err(&pcli->ctx, 0,
				"unknown command -- '%s'\n", cmds);
			if (pcli->opts.exit_on_error)
				return 1;
			else
				continue;
		}
		if (!argstr)
			argstr = cmds + strlen(pcli->inbuf) + 1;

		struct pocli_args *args = pocli_args_alloc(pcli->inbuf,
				argstr, POCLI_CMD_DELIM);
		if (!args)
			return 1;
		enum pocli_ret ret = cmd->func(&pcli->ctx, args);
		free(args);
		if (ret != POCLI_RET_OK)
			return ret;

	}
}

Beispiel #2

Datei: pmemobjcli.c Projekt: juncgu/nvml

/*
 * pocli_args_obj_root -- parse object's descriptor from root object
 */
static enum pocli_ret
pocli_args_obj_root(struct pocli_ctx *ctx, char *in, PMEMoid **oidp)
{
	char *input = strdup(in);
	if (!input)
		return POCLI_ERR_MALLOC;

	if (!oidp)
		return POCLI_ERR_PARS;

	struct pocli_args *args = pocli_args_alloc(NULL, input, ".");
	if (!args)
		return POCLI_ERR_PARS;
	enum pocli_ret ret = POCLI_RET_OK;

	if (strcmp(args->argv[0], "r") != 0) {
		ret = POCLI_ERR_PARS;
		goto out;
	}

	PMEMoid *oid = &ctx->root;
	size_t size = pmemobj_root_size(ctx->pop);
	for (int i = 1; i < args->argc; i++) {

		unsigned ind;
		char c;
		int n = sscanf(args->argv[i], "%u%c", &ind, &c);
		if (n != 1) {
			ret = POCLI_ERR_PARS;
			goto out;
		}

		size_t max_ind = size / sizeof (PMEMoid);
		if (!max_ind || ind >= max_ind) {
			ret = POCLI_ERR_PARS;
			goto out;
		}

		PMEMoid *oids = pmemobj_direct(*oid);
		oid = &oids[ind];
		size = pmemobj_alloc_usable_size(*oid);
	}

	*oidp = oid;

out:
	free(input);
	free(args);
	return ret;
}