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Fix how /bin/sh handles 'for' and 'case' statements when it is called to do

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errexit (-e) processing.  This solves a problem where 'make clean' would
fail with an unspecified error in certain automake-generated makefiles.

Reviewed by:	no objections from -hackers...
MFC after:	2 weeks
This commit is contained in:
gad 2001-06-01 00:07:09 +00:00
parent 5eae83e2d8
commit 1246730a2a
1 changed files with 16 additions and 0 deletions
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16
bin/sh/eval.c
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@ -249,9 +249,25 @@ evaltree(n, flags)
break;
case NFOR:
evalfor(n);
/*
* The 'for' command does not set exitstatus, so the value
* now in exitstatus is from the last command executed in
* the 'for' loop. That exit value had been tested (wrt
* 'sh -e' checking) while processing that command, and
* it should not be re-tested here.
*/
flags |= EV_TESTED;
break;
case NCASE:
evalcase(n, flags);
/*
* The 'case' command does not set exitstatus, so the value
* now in exitstatus is from the last command executed in
* the 'case' block. That exit value had been tested (wrt
* 'sh -e' checking) while processing that command, and
* it should not be re-tested here.
*/
flags |= EV_TESTED;
break;
case NDEFUN:
defun(n->narg.text, n->narg.next);