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* external.cc (create_winenv): Rename from sync_winenv. Take

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environment pointer as parameter and return pointer to corresponding
	win32 environment block if != NULL.  Otherwise just sync as before.
	(cygwin_internal): Add CW_CVT_ENV_TO_WINENV case.
	* include/cygwin/version.h: Bump API minor number.
	* include/sys/cygwin.h (cygwin_getinfo_types): Add CW_CVT_ENV_TO_WINENV.
This commit is contained in:
Corinna Vinschen
2011-10-05 12:27:37 +00:00
parent a06c3bf336
commit 8dfce03bfa
4 changed files with 30 additions and 7 deletions
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22
winsup/cygwin/external.cc
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@ -132,12 +132,12 @@ check_ntsec (const char *filename)
}
/* Copy cygwin environment variables to the Windows environment. */
static void
sync_winenv ()
static PWCHAR
create_winenv (const char * const *env)
{
int unused_envc;
PWCHAR envblock = NULL;
char **envp = build_env (cur_environ (), envblock, unused_envc, false);
char **envp = build_env (env ?: cur_environ (), envblock, unused_envc, false);
PWCHAR p = envblock;
if (envp)
@ -146,8 +146,12 @@ sync_winenv ()
cfree (*e);
cfree (envp);
}
/* If we got an env block, just return pointer to win env. */
if (env)
return envblock;
/* Otherwise sync win env of current process with its posix env. */
if (!p)
return;
return NULL;
while (*p)
{
PWCHAR eq = wcschr (p, L'=');
@ -160,6 +164,7 @@ sync_winenv ()
p = wcschr (p, L'\0') + 1;
}
free (envblock);
return NULL;
}
/*
@ -419,7 +424,7 @@ cygwin_internal (cygwin_getinfo_types t, ...)
try_to_debug ();
break;
case CW_SYNC_WINENV:
sync_winenv ();
create_winenv (NULL);
res = 0;
break;
case CW_CYGTLS_PADSIZE:
@ -516,6 +521,13 @@ cygwin_internal (cygwin_getinfo_types t, ...)
}
break;
case CW_CVT_ENV_TO_WINENV:
{
char **posix_env = va_arg (arg, char **);
res = (uintptr_t) create_winenv (posix_env);
}
break;
default:
set_errno (ENOSYS);
}