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newlib-cygwin
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* environ.cc (getearly): Use GetEnvironmentVariable and cmalloc instead of 

GetEnvironmentStrings.
(environ_init): Revert rawenv stuff.
This commit is contained in:
Christopher Faylor 2006-04-21 21:34:38 +00:00
parent 478e8b1569
commit 3a83d3a849
3 changed files with 27 additions and 26 deletions
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7
winsup/cygwin/ChangeLog
View File

@ -1,3 +1,10 @@
2006-04-21 Pierre Humblet Pierre.Humblet@ieee.org
Christopher Faylor <cgf@timesys.com>
* environ.cc (getearly): Use GetEnvironmentVariable and cmalloc instead
of GetEnvironmentStrings.
(environ_init): Revert rawenv stuff.
2006-04-21 Christopher Faylor <cgf@timesys.com>
* environ.cc (rawenv): Make this variable a file-scope static.

1
winsup/cygwin/cygheap.h
View File

@ -30,6 +30,7 @@ enum cygheap_types
HEAP_1_BUF,
HEAP_1_EXEC,
HEAP_1_MAX = 100,
HEAP_2_STR,
HEAP_MMAP = 200
};

31
winsup/cygwin/environ.cc
View File

@ -220,25 +220,26 @@ my_findenv (const char *name, int *offset)
return NULL;
}
static NO_COPY char *rawenv;
/* Primitive getenv before the environment is built. */
static char __stdcall *
getearly (const char * name, int *offset __attribute__ ((unused)))
getearly (const char * name, int *)
{
char *p;
char *ret;
char **ptr;
int len = strlen (name);
int len;
if (spawn_info && (ptr = spawn_info->moreinfo->envp))
{
len = strlen (name);
for (; *ptr; ptr++)
if (strncasematch (name, *ptr, len) && *ptr[len] == '=')
return *ptr + len + 1;
else if (rawenv || (rawenv = GetEnvironmentStrings ()))
for (p = rawenv; *p; p = strchr (p, '\0') + 1)
if (strncasematch (name, p, len) && p[len] == '=')
return p + len + 1;
}
else if ((len = GetEnvironmentVariable (name, NULL, 0))
&& (ret = (char *) cmalloc (HEAP_2_STR, len))
&& GetEnvironmentVariable (name, ret, len))
return ret;
return NULL;
}
@ -733,6 +734,7 @@ regopt (const char *name)
void
environ_init (char **envp, int envc)
{
char *rawenv;
int i;
char *p;
char *newp;
@ -781,27 +783,19 @@ environ_init (char **envp, int envc)
cfree (p);
}
envp_passed_in = 1;
if (rawenv)
{
FreeEnvironmentStrings (rawenv);
rawenv = NULL;
}
goto out;
}
/* Allocate space for environment + trailing NULL + CYGWIN env. */
lastenviron = envp = (char **) malloc ((4 + (envc = 100)) * sizeof (char *));
if (!rawenv)
{
rawenv = GetEnvironmentStrings ();
if (!rawenv)
{
system_printf ("GetEnvironmentStrings returned NULL, %E");
return;
}
}
debug_printf ("rawenv %p - \"%s\"", rawenv, rawenv);
debug_printf ("GetEnvironmentStrings returned %p - \"%s\"", rawenv, rawenv);
/* Current directory information is recorded as variables of the
form "=X:=X:\foo\bar; these must be changed into something legal
@ -831,7 +825,6 @@ environ_init (char **envp, int envc)
envp[i++] = strdup (cygterm);
envp[i] = NULL;
FreeEnvironmentStrings (rawenv);
rawenv = NULL;
out:
findenv_func = (char * (*)(const char*, int*)) my_findenv;