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newlib-cygwin
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* environ.cc (create_upcaseenv): Delete. 

(ucenv): Don't honor create_upcaseenv.
(environ_init): Remove early retrieval of CYGWIN environment variable.  Change
comment to reflect new behavior.
This commit is contained in:
Christopher Faylor 2011-06-10 15:06:13 +00:00
parent b6510ccdcd
commit 1516a0b4d7
2 changed files with 23 additions and 44 deletions
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7
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,10 @@
2011-06-10 Christopher Faylor <me.cygwin2011@cgf.cx>
* environ.cc (create_upcaseenv): Delete.
(ucenv): Don't honor create_upcaseenv.
(environ_init): Remove early retrieval of CYGWIN environment variable.
Change comment to reflect new behavior.
2011-06-09 Christopher Faylor <me.cygwin2011@cgf.cx>
* child_info.h (CURR_CHILD_INFO_MAGIC): Reset.

60
winsup/cygwin/environ.cc
View File

@ -36,7 +36,6 @@ extern bool dos_file_warning;
extern bool ignore_case_with_glob;
extern bool allow_winsymlinks;
bool reset_com = false;
static bool create_upcaseenv = false;
static char **lastenviron;
@ -124,7 +123,6 @@ static struct parse_thing
{"proc_retry", {func: set_proc_retry}, isfunc, NULL, {{0}, {5}}},
{"reset_com", {&reset_com}, justset, NULL, {{false}, {true}}},
{"tty", {func: tty_is_gone}, isfunc, NULL, {{0}, {0}}},
{"upcaseenv", {&create_upcaseenv}, justset, NULL, {{false}, {true}}},
{"winsymlinks", {&allow_winsymlinks}, justset, NULL, {{false}, {true}}},
{NULL, {0}, justset, 0, {{0}, {0}}}
};
@ -661,41 +659,24 @@ static const char idx_arr[] = "ACHNOPSTW";
starts. */
static const int start_at[] = { 0, 1, 4, 7, 8, 9, 16, 18, 22 };
/* Turn environment variable part of a=b string into uppercase.
Conditionally controlled by upcaseenv CYGWIN setting. */
/* Turn environment variable part of a=b string into uppercase - for some
environment variables only. */
static __inline__ void
ucenv (char *p, const char *eq)
{
if (create_upcaseenv)
{
/* Amazingly, NT has a case sensitive environment name list,
but only sometimes.
It's normal to have NT set your "Path" to something.
Later, you set "PATH" to something else. This alters "Path".
But if you try and do a naive getenv on "PATH" you'll get nothing.
So we upper case the labels here to prevent confusion later but
we only do it for processes that are started by non-Cygwin programs. */
for (; p < eq; p++)
if (islower (*p))
*p = cyg_toupper (*p);
}
else
{
/* Hopefully as quickly as possible - only upcase specific set of important
Windows variables. */
char first = cyg_toupper (*p);
const char *idx = strchr (idx_arr, first);
if (idx)
for (size_t i = start_at[idx - idx_arr];
i < RENV_SIZE && renv_arr[i].name[0] == first;
++i)
if (strncasematch (p, renv_arr[i].name, renv_arr[i].namelen))
{
strncpy (p, renv_arr[i].name, renv_arr[i].namelen);
break;
}
}
/* Hopefully as quickly as possible - only upper case specific set of important
Windows variables. */
char first = cyg_toupper (*p);
const char *idx = strchr (idx_arr, first);
if (idx)
for (size_t i = start_at[idx - idx_arr];
i < RENV_SIZE && renv_arr[i].name[0] == first;
++i)
if (strncasematch (p, renv_arr[i].name, renv_arr[i].namelen))
{
strncpy (p, renv_arr[i].name, renv_arr[i].namelen);
break;
}
}
/* Set options from the registry. */
@ -788,15 +769,6 @@ environ_init (char **envp, int envc)
/* Allocate space for environment + trailing NULL + CYGWIN env. */
lastenviron = envp = (char **) malloc ((4 + (envc = 100)) * sizeof (char *));
/* We also need the CYGWIN variable early to know the value of the
CYGWIN=upcaseenv setting for the below loop. */
if ((i = GetEnvironmentVariableA ("CYGWIN", NULL, 0)))
{
char *buf = (char *) alloca (i);
GetEnvironmentVariableA ("CYGWIN", buf, i);
parse_options (buf);
}
rawenv = GetEnvironmentStringsW ();
if (!rawenv)
{
@ -818,7 +790,7 @@ environ_init (char **envp, int envc)
if (*newp == '=')
*newp = '!';
char *eq = strechr (newp, '=');
ucenv (newp, eq); /* (possibly conditionally) uppercase env vars. */
ucenv (newp, eq); /* uppercase env vars which need it */
if (*newp == 'T' && strncmp (newp, "TERM=", 5) == 0)
sawTERM = 1;
if (*eq && conv_start_chars[(unsigned char) envp[i][0]])