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amend MAGIC comment

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tg 2017-04-20 16:50:48 +00:00
parent b874c66f61
commit cb7280db1d
1 changed files with 4 additions and 1 deletions
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5
sh.h
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@ -175,7 +175,7 @@
#endif #endif
#ifdef EXTERN #ifdef EXTERN
__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.809 2017/04/17 19:51:47 tg Exp $"); __RCSID("$MirOS: src/bin/mksh/sh.h,v 1.810 2017/04/20 16:50:48 tg Exp $");
#endif #endif
#define MKSH_VERSION "R55 2017/04/17" #define MKSH_VERSION "R55 2017/04/17"
@ -505,6 +505,9 @@ extern int __cdecl setegid(gid_t);
* Make MAGIC a char that might be printed to make bugs more obvious, but * Make MAGIC a char that might be printed to make bugs more obvious, but
* not a char that is used often. Also, can't use the high bit as it causes * not a char that is used often. Also, can't use the high bit as it causes
* portability problems (calling strchr(x, 0x80 | 'x') is error prone). * portability problems (calling strchr(x, 0x80 | 'x') is error prone).
*
* MAGIC can be followed by MAGIC (to escape the octet itself) or one of:
* ' !)*,-?[]{|}' 0x80|' !*+?@' (probably… hysteric raisins abound)
*/ */
#define MAGIC (7) /* prefix for *?[!{,} during expand */ #define MAGIC (7) /* prefix for *?[!{,} during expand */
#define ISMAGIC(c) ((unsigned char)(c) == MAGIC) #define ISMAGIC(c) ((unsigned char)(c) == MAGIC)