libs/newlib-cygwin
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newlib-cygwin
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Christopher Faylor <cgf@redhat.com> 

* environ.cc (winenv): Always add SYSTEMDRIVE and SYSYEMROOT to win32-style
environment if they don't already exist.
This commit is contained in:
Christopher Faylor 2001-05-11 03:27:22 +00:00
parent ddf72c8f76
commit 723190cf71
2 changed files with 49 additions and 9 deletions
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6
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,9 @@
2001-05-10 Egor Duda <deo@logos-m.ru>
Christopher Faylor <cgf@redhat.com>
* environ.cc (winenv): Always add SYSTEMDRIVE and SYSYEMROOT to
win32-style environment if they don't already exist.
2001-05-10 Kazuhiro Fujieda <fujieda@jaist.ac.jp>
* path.cc (mount_info::conv_to_win32_path): Treat UNC paths the same as

52
winsup/cygwin/environ.cc
View File

@ -728,6 +728,16 @@ env_sort (const void *a, const void *b)
return strcmp (*p, *q);
}
/* Keep this list in upper case and sorted */
const char* forced_winenv_vars [] =
{
"SYSTEMDRIVE",
"SYSTEMROOT",
NULL
};
#define FORCED_WINENV_SIZE (sizeof (forced_winenv_vars) / sizeof (forced_winenv_vars[0]))
/* Create a Windows-style environment block, i.e. a typical character buffer
filled with null terminated strings, terminated by double null characters.
Converts environment variables noted in conv_envvars into win32 form
@ -737,38 +747,62 @@ winenv (const char * const *envp, int keep_posix)
{
int len, n, tl;
const char * const *srcp;
const char * *dstp;
const char **dstp;
bool saw_forced_winenv[FORCED_WINENV_SIZE] = {0};
char *p;
debug_printf ("envp %p, keep_posix %d", envp, keep_posix);
tl = 0;
for (n = 0; envp[n]; n++)
continue;
const char *newenvp[n + 1];
const char *newenvp[n + 1 + FORCED_WINENV_SIZE];
debug_printf ("envp %p, keep_posix %d", envp, keep_posix);
for (tl = 0, srcp = envp, dstp = newenvp; *srcp; srcp++, dstp++)
for (srcp = envp, dstp = newenvp; *srcp; srcp++, dstp++)
{
len = strcspn (*srcp, "=") + 1;
len = strcspn (*srcp, "=");
win_env *conv;
if (keep_posix || !(conv = getwinenv (*srcp, *srcp + len)))
if (keep_posix || !(conv = getwinenv (*srcp, *srcp + len + 1)))
*dstp = *srcp;
else
{
char *p = (char *) alloca (strlen (conv->native) + 1);
p = (char *) alloca (strlen (conv->native) + 1);
strcpy (p, conv->native);
*dstp = p;
}
tl += strlen (*dstp) + 1;
if ((*dstp)[0] == '!' && isdrive ((*dstp) + 1) && (*dstp)[3] == '=')
{
char *p = (char *) alloca (strlen (*dstp) + 1);
p = (char *) alloca (strlen (*dstp) + 1);
strcpy (p, *dstp);
*p = '=';
*dstp = p;
}
for (int i = 0; forced_winenv_vars[i]; i++)
if (!saw_forced_winenv[i])
saw_forced_winenv[i] = strncasematch (forced_winenv_vars[i], *srcp, len);
}
for (int i = 0; forced_winenv_vars[i]; i++)
if (!saw_forced_winenv[i])
{
len = strlen (forced_winenv_vars[i]);
p = (char *) alloca (len + MAX_PATH + 1);
strcpy (p, forced_winenv_vars[i]);
strcat (p, "=");
if (!GetEnvironmentVariable (forced_winenv_vars[i], p + len + 1, MAX_PATH))
debug_printf ("warning: %s not present in environment", *srcp);
else
{
*dstp++ = p;
tl += strlen (p) + 1;
}
}
*dstp = NULL; /* Terminate */
int envlen = dstp - newenvp;