commit a14c418aee9d4ccd7cf888024e318b300173099f
Author: Herbert Xu <[email protected]>
Date: Fri Aug 23 21:27:42 2013 +1000
[VAR] Initialise OPTIND after importing environment
On Sat, Mar 23, 2013 at 01:46:20AM +0000, Chris F.A. Johnson wrote:
>
> According to both the dash man page and the POSIX spec, "When the
> shell is invoked, OPTIND is initialized to 1."
>
> However, it actually takes the value of the environment variable
> if it exists:
>
> $ OPTIND=4 dash -c 'echo "$OPTIND"'
> 4
> $ OPTIND=4 bash -c 'echo "$OPTIND"'
> 1
> $ OPTIND=4 ksh -c 'echo "$OPTIND"'
> 1
> $ OPTIND=4 ksh93 -c 'echo "$OPTIND"'
> 1
This patch fixes this by initialising OPTIND after importing the
environment.
Signed-off-by: Herbert Xu <[email protected]>
diff --git a/ChangeLog b/ChangeLog
index 9500c87..4276676 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,7 @@
2013-08-23 Herbert Xu <[email protected]>
* Propagate EXP_QPAT in subevalvar.
+ * Initialise OPTIND after importing environment.
2013-03-12 Peter Rosin <[email protected]>
diff --git a/src/var.c b/src/var.c
index c35e925..fa24854 100644
--- a/src/var.c
+++ b/src/var.c
@@ -142,6 +142,8 @@ INIT {
}
}
+ setvarint("OPTIND", 1, 0);
+
fmtstr(ppid + 5, sizeof(ppid) - 5, "%ld", (long) getppid());
setvareq(ppid, VTEXTFIXED);
Thanks,
--
Email: Herbert Xu <[email protected]>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
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