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update comment to unpuzzle a future me 

(I just had to use git annotate and look at the two commits from komh
to figure out that the condition in the if is correct here and what
this is supposed to do)
This commit is contained in:
tg 2017-10-11 21:04:59 +00:00
parent f578d7cd10
commit 5a89f6d959
1 changed files with 7 additions and 3 deletions
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10
exec.c
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@ -23,7 +23,7 @@
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/exec.c,v 1.199 2017/08/07 21:16:31 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/exec.c,v 1.200 2017/10/11 21:04:59 tg Exp $");
#ifndef MKSH_DEFAULT_EXECSHELL
#define MKSH_DEFAULT_EXECSHELL MKSH_UNIXROOT "/bin/sh"
@ -953,8 +953,12 @@ scriptexec(struct op *tp, const char **ap)
}
#ifdef __OS2__
/*
* Search shell/interpreter name without directory in PATH
* if specified path does not exist
* On OS/2, the directory structure differs from normal
* Unix, which can make many scripts whose shebang
* hardcodes the path to an interpreter fail (and there
* might be no /usr/bin/env); for user convenience, if
* the specified interpreter is not usable, do a PATH
* search to find it.
*/
if (mksh_vdirsep(sh) && !search_path(sh, path, X_OK, NULL)) {
cp = search_path(_getname(sh), path, X_OK, NULL);