mirror of
https://github.com/LukeSmithxyz/st.git
synced 2024-11-22 23:25:59 +01:00
56 lines
1.1 KiB
C
56 lines
1.1 KiB
C
|
/*
|
||
|
|
* Copy me if you can.
|
||
|
|
* by 20h
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef __ARG_H__
|
||
|
|
#define __ARG_H__
|
||
|
|
|
||
|
|
extern char *argv0;
|
||
|
|
|
||
|
|
#define USED(x) ((void)(x))
|
||
|
|
|
||
|
|
/* use main(int argc, char *argv[]) */
|
||
|
|
#define ARGBEGIN for (argv0 = *argv, argv++, argc--;\
|
||
|
|
argv[0] && argv[0][1]\
|
||
|
|
&& argv[0][0] == '-';\
|
||
|
|
argc--, argv++) {\
|
||
|
|
char _argc;\
|
||
|
|
char **_argv;\
|
||
|
|
int brk;\
|
||
|
|
if (argv[0][1] == '-' && argv[0][2] == '\0') {\
|
||
|
|
argv++;\
|
||
|
|
argc--;\
|
||
|
|
break;\
|
||
|
|
}\
|
||
|
|
for (brk = 0, argv[0]++, _argv = argv;\
|
||
|
|
argv[0][0] && !brk;\
|
||
|
|
argv[0]++) {\
|
||
|
|
if (_argv != argv)\
|
||
|
|
break;\
|
||
|
|
_argc = argv[0][0];\
|
||
|
|
switch (_argc)
|
||
|
|
|
||
|
|
#define ARGEND }\
|
||
|
|
USED(_argc);\
|
||
|
|
}\
|
||
|
|
USED(argv);\
|
||
|
|
USED(argc);
|
||
|
|
|
||
|
|
#define ARGC() _argc
|
||
|
|
|
||
|
|
#define EARGF(x) ((argv[0][1] == '\0' && argv[1] == NULL)?\
|
||
|
|
((x), abort(), (char *)0) :\
|
||
|
|
(brk = 1, (argv[0][1] != '\0')?\
|
||
|
|
(&argv[0][1]) :\
|
||
|
|
(argc--, argv++, argv[0])))
|
||
|
|
|
||
|
|
#define ARGF() ((argv[0][1] == '\0' && argv[1] == NULL)?\
|
||
|
|
(char *)0 :\
|
||
|
|
(brk = 1, (argv[0][1] != '\0')?\
|
||
|
|
(&argv[0][1]) :\
|
||
|
|
(argc--, argv++, argv[0])))
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|