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[PATCH v2] linux-user: preserve incoming order of environment variables
From: |
Andreas Schwab |
Subject: |
[PATCH v2] linux-user: preserve incoming order of environment variables in the target |
Date: |
Wed, 29 Mar 2023 15:55:13 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux) |
Do not reverse the order of environment variables in the target environ
array relative to the incoming environ order. Some testsuites depend on a
specific order, even though it is not defined by any standard.
Signed-off-by: Andreas Schwab <schwab@suse.de>
---
linux-user/main.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/linux-user/main.c b/linux-user/main.c
index 4b18461969..dbfd3ee8f1 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -691,7 +691,13 @@ int main(int argc, char **argv, char **envp)
envlist = envlist_create();
/* add current environment into the list */
+ /* envlist_setenv adds to the front of the list; to preserve environ
+ order add from back to front */
for (wrk = environ; *wrk != NULL; wrk++) {
+ continue;
+ }
+ while (wrk != environ) {
+ wrk--;
(void) envlist_setenv(envlist, *wrk);
}
--
2.40.0
--
Andreas Schwab, SUSE Labs, schwab@suse.de
GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7
"And now for something completely different."
- [PATCH v2] linux-user: preserve incoming order of environment variables in the target,
Andreas Schwab <=