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newlib-cygwin
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* environ.cc (getearly): New function. 

(findenv_func): New function pointer, predefined to getearly.
	(getenv): Call findenv function over the findenv_func pointer.
	(environ_init): Change findenv_func pointer to my_findenv after Cygwin
	environment is initialized.
This commit is contained in:
Corinna Vinschen 2006-04-21 17:21:41 +00:00
parent 053fc4771a
commit 33b0abd1c3
2 changed files with 46 additions and 2 deletions
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9
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,12 @@
2006-04-21 Pierre Humblet <Pierre.Humblet@ieee.org>
Corinna Vinschen <corinna@vinschen.de>
* environ.cc (getearly): New function.
(findenv_func): New function pointer, predefined to getearly.
(getenv): Call findenv function over the findenv_func pointer.
(environ_init): Change findenv_func pointer to my_findenv after Cygwin
environment is initialized.
2006-04-21 Lars Munch <lars@segv.dk>
* include/asm/byteorder.h (__ntohl): Fix the missing uint32_t.

39
winsup/cygwin/environ.cc
View File

@ -223,6 +223,41 @@ my_findenv (const char *name, int *offset)
return NULL;
}
/*
* getearly --
* Primitive getenv before the environment is built.
*/
static char * __stdcall
getearly (const char * name, int *offset __attribute__ ((unused)))
{
int s = strlen (name);
char * rawenv;
char ** ptr;
child_info *get_cygwin_startup_info ();
child_info_spawn *ci = (child_info_spawn *) get_cygwin_startup_info ();
if (ci && (ptr = ci->moreinfo->envp))
{
for (; *ptr; ptr++)
if (strncasematch (name, *ptr, s)
&& (*(*ptr + s) == '='))
return *ptr + s + 1;
}
else if ((rawenv = GetEnvironmentStrings ()))
{
while (*rawenv)
if (strncasematch (name, rawenv, s)
&& (*(rawenv + s) == '='))
return rawenv + s + 1;
else
rawenv = strchr (rawenv, 0) + 1;
}
return NULL;
}
static char * (*findenv_func)(const char *, int *) = (char * (*)(const char *, int *)) getearly;
/*
* getenv --
* Returns ptr to value associated with name, if any, else NULL.
@ -232,8 +267,7 @@ extern "C" char *
getenv (const char *name)
{
int offset;
return my_findenv (name, &offset);
return findenv_func (name, &offset);
}
static int __stdcall
@ -808,6 +842,7 @@ environ_init (char **envp, int envc)
FreeEnvironmentStrings (rawenv);
out:
findenv_func = (char * (*)(const char*, int*)) my_findenv;
__cygwin_environ = envp;
update_envptrs ();
if (envp_passed_in)