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File access improvements

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git-svn-id: svn+ssh://svn.gna.org/svn/gnustep/libs/base/trunk@3764 72102866-910b-0410-8b05-ffd578937521
This commit is contained in:
Richard Frith-MacDonald 1999-02-20 21:19:15 +00:00
parent 4091f6f778
commit 4d15192f41
7 changed files with 340 additions and 145 deletions
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78
Source/NSUser.m
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@ -26,11 +26,13 @@
#include <base/preface.h>
#include <Foundation/NSString.h>
#include <Foundation/NSPathUtilities.h>
#include <Foundation/NSException.h>
#include <Foundation/NSArray.h>
#include <Foundation/NSDictionary.h>
#include <Foundation/NSFileManager.h>
#include <Foundation/NSProcessInfo.h>
#include <Foundation/NSValue.h>
#include <Foundation/NSUserDefaults.h>
#include <stdlib.h> // for getenv()
#if !defined(__WIN32__) && !defined(_WIN32)
@ -39,38 +41,62 @@
#endif
#include <sys/types.h>
/* Return the caller's login name as an NSString object. */
static NSString *theUserName = nil;
void
GSSetUserName(NSString* name)
{
if (theUserName == nil)
theUserName = RETAIN(name);
else if ([theUserName isEqualToString: name] == NO)
{
ASSIGN(theUserName, name);
[NSUserDefaults resetUserDefaults];
}
}
/*
* Return the caller's login name as an NSString object.
* The 'LOGNAME' environment variable is our primary source, but we use
* other system-dependent sources if LOGNAME is not set.
*/
NSString *
NSUserName ()
{
if (theUserName == nil)
{
const char *login_name = 0;
#if defined(__WIN32__) || defined(_WIN32)
/* The GetUserName function returns the current user name */
char buf[1024];
DWORD n = 1024;
/* The GetUserName function returns the current user name */
char buf[1024];
DWORD n = 1024;
if (GetUserName(buf, &n))
return [NSString stringWithCString: buf];
else
return [NSString stringWithCString: ""];
#elif __SOLARIS__ || defined(BSD)
int uid = geteuid(); // get the effective user id
struct passwd *pwent = getpwuid (uid);
NSString* name = [NSString stringWithCString: pwent->pw_name];
return name;
if (GetEnvironmentVariable("LOGNAME", buf, 1024);
login_name = buf;
else if (GetUserName(buf, &n))
login_name = buf;
#else
const char *login_name = getlogin ();
if (!login_name)
login_name = cuserid(NULL);
if (!login_name)
login_name= getenv ("LOGNAME");
if (login_name)
return [NSString stringWithCString: login_name];
else
return nil;
login_name = getenv("LOGNAME");
if (login_name == 0 || getpwnam(login_name) == 0)
{
# if __SOLARIS__ || defined(BSD)
int uid = geteuid(); // get the effective user id
struct passwd *pwent = getpwuid (uid);
login_name = pwent->pw_name;
# else
login_name = getlogin();
if (!login_name)
login_name = cuserid(NULL);
# endif
}
#endif
if (login_name)
GSSetUserName([NSString stringWithCString: login_name]);
else
[NSException raise: NSInternalInconsistencyException
format: @"Unable to determine curren user name"];
}
return theUserName;
}
/* Return the caller's home directory as an NSString object. */
@ -78,8 +104,6 @@ NSString *
NSHomeDirectory ()
{
return NSHomeDirectoryForUser (NSUserName ());
/* xxx Was using this. Is there a reason to prefer it?
return [NSString stringWithCString: getenv ("HOME")]; */
}
/* Return LOGIN_NAME's home directory as an NSString object. */