commit 581075796aa380f32a0313c4c64a608e55f8b374
parent 934705c420a25054b9be55a5321e97d6d56579e2
Author: Christoph Lohmann <20h@r-36.net>
Date: Mon, 22 Feb 2016 06:47:46 +0100
Import the arg.h from st which fixed the oob bug.
Diffstat:
| M | arg.h | | | 47 | +++++++++++++++++++++++++++-------------------- |
1 file changed, 27 insertions(+), 20 deletions(-)
diff --git a/arg.h b/arg.h
@@ -3,39 +3,46 @@
* by 20h
*/
-#ifndef __ARG_H__
-#define __ARG_H__
+#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] == '-';\
+ argv[0] && argv[0][0] == '-'\
+ && argv[0][1];\
argc--, argv++) {\
- char _argc;\
- char **_argv;\
+ char argc_;\
+ char **argv_;\
+ int brk_;\
if (argv[0][1] == '-' && argv[0][2] == '\0') {\
argv++;\
argc--;\
break;\
}\
- for (argv[0]++, _argv = argv; argv[0][0];\
+ for (brk_ = 0, argv[0]++, argv_ = argv;\
+ argv[0][0] && !brk_;\
argv[0]++) {\
- if (_argv != argv)\
+ if (argv_ != argv)\
break;\
- _argc = argv[0][0];\
- switch (_argc)
-
+ argc_ = argv[0][0];\
+ switch (argc_)
#define ARGEND }\
- USED(_argc);\
- }\
- USED(argv);\
- USED(argc);
+ }
-#define EARGF(x) ((argv[1] == NULL)? ((x), abort(), (char *)0) :\
- (argc--, argv++, argv[0]))
+#define ARGC() argc_
-#endif
+#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
