ref: c90d947dd33fb6163430eb47717b6c79db962221
parent: bbfae8ece429df0093d58f0454ac681eb90aebeb
author: Quentin Rameau <quinq@fifth.space>
date: Sat Jul 2 07:10:35 EDT 2016
[arg.h] add a macro for handling operands in any order
--- a/inc/arg.h
+++ b/inc/arg.h
@@ -9,57 +9,53 @@
extern char *argv0;
/* use main(int argc, char *argv[]) */
-#define ARGBEGIN for (argv0 = *argv, argv++, argc--;\
- argv[0] && argv[0][0] == '-'\
- && argv[0][1];\
- 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 ARGBEGIN \
+for (argv0 = *argv, argv++, argc--;\
+ argv[0];\
+ argc--, argv++) {\+ if (argv[0][0] == '-') {\+ 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_)
-/* Handles obsolete -NUM syntax */
-#define ARGNUM case '0':\
- case '1':\
- case '2':\
- case '3':\
- case '4':\
- case '5':\
- case '6':\
- case '7':\
- case '8':\
- case '9'
+#define ARGOPERAND \
+ }\
+ } else if (argv[0][0] != '\0')
-#define ARGEND }\
- }
+#define ARGEND }
-#define ARGC() argc_
+#define ARGC() argc_
-#define ARGNUMF() (brk_ = 1, estrtonum(argv[0], 0, INT_MAX))
+#define ARGOP() argv[0]
-#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 ARGNUMF() (brk_ = 1, estrtonum(argv[0], 0, INT_MAX))
-#define ARGF() ((argv[0][1] == '\0' && argv[1] == NULL)?\
- (char *)0 :\
- (brk_ = 1, (argv[0][1] != '\0')?\
- (&argv[0][1]) :\
- (argc--, argv++, argv[0])))
+#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 LNGARG() &argv[0][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])))
+
+#define LNGARG() &argv[0][0]
#endif