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Re: [Qemu-devel] [PATCH] vl.c && linux-user/main.c : removed **envp from


From: Yoni Bettan
Subject: Re: [Qemu-devel] [PATCH] vl.c && linux-user/main.c : removed **envp from main() arguments
Date: Mon, 18 Dec 2017 08:07:28 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.4.0



On 11/21/2017 09:30 AM, Laurent Vivier wrote:
Le 21/11/2017 à 07:41, Yoni Bettan a écrit :
         * it was added on 2008 902b3d5c392bb6f48ef340ad8ecc3311705d2800
           when introduced cache-utils.[ch]
         * since then cache-utils.[ch] were removed but **envp was left
           behind

Signed-off-by: Yoni Bettan <address@hidden>
---
  linux-user/main.c | 2 +-
  vl.c              | 6 +++---
  2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/linux-user/main.c b/linux-user/main.c
index aa02f25b85..ca5628c1ca 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -4233,7 +4233,7 @@ static int parse_args(int argc, char **argv)
      return optind;
  }
-int main(int argc, char **argv, char **envp)
+int main(int argc, char **argv)
  {
      struct target_pt_regs regs1, *regs = &regs1;
      struct image_info info1, *info = &info1;
diff --git a/vl.c b/vl.c
index 1ad1c04637..9667756ccc 100644
--- a/vl.c
+++ b/vl.c
@@ -35,10 +35,10 @@
  #ifdef CONFIG_SDL
  #if defined(__APPLE__) || defined(main)
  #include <SDL.h>
-int qemu_main(int argc, char **argv, char **envp);
+int qemu_main(int argc, char **argv);
  int main(int argc, char **argv)
  {
-    return qemu_main(argc, argv, NULL);
+    return qemu_main(argc, argv);
  }
  #undef main
  #define main qemu_main
I think this part can be removed now. As it seems it has been added
because of the envp parameter.

Thanks Laurent for your response and sorry for my late response.
I think this part was added for another purpose as described here 880fec5d086

As i see it the env param was added in 2008 in order to support cache-utils
as shown in 902b3d5c392bb6f48ef340ad8ecc3311705d2800 and in 2009
another main function was added in order to unbreak SDL on Mac-OS X and the env param
was added only for consistency I suppose...

What do you think?

Thanks,
Yoni
Thanks,
Laurent




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