You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
69 lines
1.8 KiB
69 lines
1.8 KiB
#ifndef _ARGS_H
|
|
#define _ARGS_H
|
|
#define _a_inline_proto __attribute__((__gnu_inline__, __always_inline__)) extern inline
|
|
|
|
#include <stdlib.h>
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
|
|
enum arg_parse_result {
|
|
A_PF_UNKNOWN = -1,
|
|
A_P_OK = 0,
|
|
|
|
// TODO: specific errors...
|
|
};
|
|
|
|
typedef struct {
|
|
struct {
|
|
bool in,out,err;
|
|
} replace; // { 1, 1, 0 }
|
|
|
|
const char* target; // NULL -> default "/dev/null"
|
|
|
|
struct {
|
|
/*struct _Alignas(uint64_t) {
|
|
int64_t n : 63;
|
|
bool all : 1;
|
|
} __attribute__((packed, aligned(uint64_t)));*/
|
|
size_t n;
|
|
|
|
int fds[];
|
|
}* restrict fd_pass; // A_FD_PASS_NONE
|
|
|
|
} pargs_t;
|
|
|
|
#define A_FD_PASS_ALL ((void*)(~((uintptr_t)0ul)))
|
|
#define A_FD_PASS_NONE NULL
|
|
|
|
#define A_DEFAULT_ARGS ((pargs_t){ { true, true, false}, NULL, A_FD_PASS_NONE })
|
|
#define A_DEFAULT_ARGS_P ((pargs_t[1]) { A_DEFAULT_ARGS } )
|
|
|
|
extern const pargs_t* parsed_args;
|
|
|
|
/// Return parsed args or default args if no parsed args have been set.
|
|
_a_inline_proto const pargs_t* a_get_program_args()
|
|
{
|
|
__attribute__((section(".text#"))) // Does this give any actual benefit?
|
|
static const pargs_t default_args = A_DEFAULT_ARGS;
|
|
|
|
return parsed_args ?: &default_args;//A_DEFAULT_ARGS_P;
|
|
}
|
|
|
|
/// Have the program's arguments been parsed?
|
|
_a_inline_proto bool a_is_parsed()
|
|
{ return parsed_args != NULL; }
|
|
|
|
enum arg_parse_result a_parse_into(pargs_t *restrict parsed, int *restrict argc, char** *restrict p_argv, char** *restrict p_envp);
|
|
|
|
_a_inline_proto // TODO: XXX: Is this worth it?
|
|
enum arg_parse_result a_parse(int *restrict argc, char** *restrict p_argv, char** *restrict p_envp)
|
|
{
|
|
static pargs_t glob_parsed_args; //XXX: Wth is this an error?
|
|
enum arg_parse_result r = a_parse_into(&glob_parsed_args, argc, p_argv, p_envp);
|
|
|
|
if(!r) parsed_args = &glob_parsed_args; // A_P_OK
|
|
return r;
|
|
}
|
|
#undef _a_inline_proto
|
|
#endif /* _ARGS_H */
|