JehanneOS/mksh
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add some bounds, for a subsequent commit:

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• all writers of exstat ensure the value is in [0; 0xFF]
• all readers of exstat AND it with 0xFF (not strictly needed thus)
• trap_exstat is “safe”, i.e. always either -1 or [0; 0xFF]
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tg
2012-10-21 21:39:06 +00:00
parent bebb2d2254
commit 31f24a4040
6 changed files with 22 additions and 20 deletions
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4
sh.h
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@@ -157,7 +157,7 @@
#endif
#ifdef EXTERN
__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.593 2012/10/21 21:26:41 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/sh.h,v 1.594 2012/10/21 21:39:05 tg Exp $");
#endif
#define MKSH_VERSION "R40 2012/10/03"
@@ -293,6 +293,8 @@ struct rusage {
#define ksh_toupper(c) (((c) >= 'a') && ((c) <= 'z') ? (c) - 'a' + 'A' : (c))
#define ksh_isdash(s) (((s) != NULL) && ((s)[0] == '-') && ((s)[1] == '\0'))
#define ksh_isspace(c) ((((c) >= 0x09) && ((c) <= 0x0D)) || ((c) == 0x20))
#define ksh_min(x,y) ((x) < (y) ? (x) : (y))
#define ksh_max(x,y) ((x) > (y) ? (x) : (y))
#ifdef MKSH__NO_PATH_MAX
#undef PATH_MAX