/* string */ char *_pw_buf_;
};
+static const size_t
+passwd_offsets[] = {
+ offsetof (struct passwd, pw_name),
+ offsetof (struct passwd, pw_passwd),
+ offsetof (struct passwd, pw_gecos),
+ offsetof (struct passwd, pw_dir),
+ offsetof (struct passwd, pw_shell)
+};
+
+static const size_t
+mph_passwd_offsets[] = {
+ offsetof (struct Mono_Posix_Syscall__Passwd, pw_name),
+ offsetof (struct Mono_Posix_Syscall__Passwd, pw_passwd),
+ offsetof (struct Mono_Posix_Syscall__Passwd, pw_gecos),
+ offsetof (struct Mono_Posix_Syscall__Passwd, pw_dir),
+ offsetof (struct Mono_Posix_Syscall__Passwd, pw_shell)
+};
+
/*
* Copy the native `passwd' structure to it's managed representation.
*
static int
copy_passwd (struct Mono_Posix_Syscall__Passwd *to, struct passwd *from)
{
- enum {PW_NAME = 0, PW_PASSWD, PW_GECOS, PW_DIR, PW_SHELL, PW_LAST};
- size_t buflen, len[PW_LAST];
- /* bool */ unsigned char copy[PW_LAST] = {0};
- const char *source[PW_LAST];
- char **dest[PW_LAST];
- int i;
- char *cur;
+ char *buf;
+ buf = _mph_copy_structure_strings (to, mph_passwd_offsets,
+ from, passwd_offsets, sizeof(passwd_offsets)/sizeof(passwd_offsets[0]));
to->pw_uid = from->pw_uid;
to->pw_gid = from->pw_gid;
- to->pw_name = NULL;
- to->pw_passwd = NULL;
- to->pw_gecos = NULL;
- to->pw_dir = NULL;
- to->pw_shell = NULL;
- to->_pw_buf_ = NULL;
-
- source[PW_NAME] = from->pw_name;
- source[PW_PASSWD] = from->pw_passwd;
- source[PW_GECOS] = from->pw_gecos;
- source[PW_DIR] = from->pw_dir;
- source[PW_SHELL] = from->pw_shell;
-
- dest[PW_NAME] = &to->pw_name;
- dest[PW_PASSWD] = &to->pw_passwd;
- dest[PW_GECOS] = &to->pw_gecos;
- dest[PW_DIR] = &to->pw_dir;
- dest[PW_SHELL] = &to->pw_shell;
-
- buflen = PW_LAST;
-
- /* over-rigorous checking for integer overflow */
- for (i = 0; i != PW_LAST; ++i) {
- len[i] = strlen (source[i]);
- if (len[i] < INT_MAX - buflen) {
- buflen += len[i];
- copy[i] = 1;
- }
- }
-
- cur = to->_pw_buf_ = (char*) malloc (buflen);
- if (cur == NULL) {
+ to->_pw_buf_ = buf;
+ if (buf == NULL) {
return -1;
}
- for (i = 0; i != PW_LAST; ++i) {
- if (copy[i]) {
- *dest[i] = strcpy (cur, source[i]);
- cur += (len[i] + 1);
- }
- }
-
return 0;
}
return -1;
}
+ errno = 0;
pw = getpwnam (name);
if (pw == NULL)
return -1;
return -1;
}
buf = buf2;
+ errno = 0;
} while ((r = getpwnam_r (name, &_pwbuf, buf, buflen, pwbufp)) &&
recheck_range (r));
+ if (r == 0 && !(*pwbufp))
+ /* On solaris, this function returns 0 even if the entry was not found */
+ r = errno = ENOENT;
+
if (r == 0 && copy_passwd (pwbuf, &_pwbuf) == -1)
r = errno = ENOMEM;
free (buf);
return -1;
}
buf = buf2;
+ errno = 0;
} while ((r = getpwuid_r (uid, &_pwbuf, buf, buflen, pwbufp)) &&
recheck_range (r));
return -1;
}
+ errno = 0;
pw = getpwent ();
if (pw == NULL)
return -1;
return -1;
}
+ errno = 0;
pw = fgetpwent (stream);
if (pw == NULL)
return -1;