rt-thread-official/components/lwp/lwp_args.h

59 lines
1.6 KiB
C

/*
* Copyright (c) 2006-2024, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2024-01-12 Shell separate argv, envp, aux processing from execve(2).
* Bugs fix for script arguments processing.
*/
#ifndef __LWP_ARGV_H__
#define __LWP_ARGV_H__
#include <rtthread.h>
struct rt_lwp;
enum lwp_args_type {
LWP_ARGS_TYPE_ARG,
LWP_ARGS_TYPE_KARG,
LWP_ARGS_TYPE_ENVP,
LWP_ARGS_TYPE_KENVP,
LWP_ARGS_TYPE_NULLPTR
};
struct lwp_string_vector
{
const char **strvec;
rt_uint32_t strvec_buflen;
rt_uint32_t string_count;
};
struct lwp_args_info
{
int argv0_strlen;
int strings_length;
int str_buf_size;
char *str_buf;
struct lwp_string_vector argv;
struct lwp_string_vector envp;
};
rt_err_t lwp_args_init(struct lwp_args_info *ai);
void lwp_args_detach(struct lwp_args_info *ai);
struct process_aux *lwp_argscopy(struct rt_lwp *lwp, struct lwp_args_info *args_info);;
rt_err_t lwp_args_put(struct lwp_args_info *args, const char **strv_addr, enum lwp_args_type atype);
rt_err_t lwp_args_put_argv(struct lwp_args_info *args, const char **argv_uaddr);
rt_err_t lwp_args_put_envp(struct lwp_args_info *args, const char **envp_uaddr);
rt_err_t lwp_args_load_script(struct lwp_args_info *args, const char *filename);
const char *lwp_args_get_argv_0(struct lwp_args_info *ai);
char** lwp_get_envp(struct rt_lwp *lwp, rt_size_t *penvp_counts);
void lwp_print_envp(struct rt_lwp *lwp);
char** lwp_get_command_line_args(struct rt_lwp *lwp);
void lwp_free_command_line_args(char** argv);
#endif /* __LWP_ARGV_H__ */