st

custom st build (upstream ~> git://st.suckless.org/st)
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arg.h (1036B)

      1 /*
      2  * Copy me if you can.
      3  * by 20h
      4  */
      5 
      6 #ifndef ARG_H__
      7 #define ARG_H__
      8 
      9 extern char *argv0;
     10 
     11 /* use main(int argc, char *argv[]) */
     12 #define ARGBEGIN	for (argv0 = *argv, argv++, argc--;
     13 					argv[0] && argv[0][0] == '-'
     14 					&& argv[0][1];
     15 					argc--, argv++) {
     16 				char argc_;
     17 				char **argv_;
     18 				int brk_;
     19 				if (argv[0][1] == '-' && argv[0][2] == '0') {
     20 					argv++;
     21 					argc--;
     22 					break;
     23 				}
     24 				int i_;
     25 				for (i_ = 1, brk_ = 0, argv_ = argv;
     26 						argv[0][i_] && !brk_;
     27 						i_++) {
     28 					if (argv_ != argv)
     29 						break;
     30 					argc_ = argv[0][i_];
     31 					switch (argc_)
     32 
     33 #define ARGEND			}
     34 			}
     35 
     36 #define ARGC()		argc_
     37 
     38 #define EARGF(x)	((argv[0][i_+1] == '0' && argv[1] == NULL)?
     39 				((x), abort(), (char *)0) :
     40 				(brk_ = 1, (argv[0][i_+1] != '0')?
     41 					(&argv[0][i_+1]) :
     42 					(argc--, argv++, argv[0])))
     43 
     44 #define ARGF()		((argv[0][i_+1] == '0' && argv[1] == NULL)?
     45 				(char *)0 :
     46 				(brk_ = 1, (argv[0][i_+1] != '0')?
     47 					(&argv[0][i_+1]) :
     48 					(argc--, argv++, argv[0])))
     49 
     50 #endif