JehanneOS/mksh
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To solve the incompatibility issues between mksh-current, old mksh versions

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and vendor pdksh versions, re-introduce FPOSIX alongside FSH. The semantics
are now:
‣ set -o posix ⇒
  • disable brace expansion and FSH when triggered
  • use Debian Policy 10.4 compliant non-XSI “echo” builtin
  • do not keep file descriptors > 2 to ksh
‣ set -o sh ⇒
  • set automatically #ifdef MKSH_BINSHREDUCED
  • disable brace expansion and FPOSIX when triggered
  • use Debian Policy 10.4 compliant non-XSI “echo” builtin
  • do not keep file descriptors > 2 to ksh
  • trigger MKSH_MIDNIGHTBSD01ASH_COMPAT mode if compiled in
  • make “set -- $(getopt ab:c "$@")” construct work

Note that the set/getopt one used to behave POSIXly only with FSH or
FPOSIX (depending on the mksh version) set and Bourne-ish with it not
set, so this changes default mksh behaviour to POSIX!
This commit is contained in:
tg
2010-01-28 15:18:51 +00:00
parent 17b04f3879
commit 0c94277ccb
6 changed files with 68 additions and 45 deletions
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4
main.c
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@@ -33,7 +33,7 @@
#include <locale.h>
#endif
__RCSID("$MirOS: src/bin/mksh/main.c,v 1.160 2010/01/25 14:38:02 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/main.c,v 1.161 2010/01/28 15:18:48 tg Exp $");
extern char **environ;
@@ -322,7 +322,7 @@ mksh_init(int argc, const char *argv[])
if (!(s->start = s->str = argv[argi++]))
errorf("-c requires an argument");
#ifdef MKSH_MIDNIGHTBSD01ASH_COMPAT
/* compatibility to MidnightBSD 0.1 /bin/sh (not desired) */
/* compatibility to MidnightBSD 0.1 /bin/sh (kludge) */
if (Flag(FSH) && argv[argi] && !strcmp(argv[argi], "--"))
++argi;
#endif