diff options
Diffstat (limited to 'sysdeps/generic/getenv.c')
| -rw-r--r-- | sysdeps/generic/getenv.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/sysdeps/generic/getenv.c b/sysdeps/generic/getenv.c index d4099a9..daf2927 100644 --- a/sysdeps/generic/getenv.c +++ b/sysdeps/generic/getenv.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 1992, 1994 Free Software Foundation, Inc. +/* Copyright (C) 1991, 1992, 1994, 1996 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -16,7 +16,6 @@ License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <ansidecl.h> #include <errno.h> #include <stdlib.h> #include <string.h> @@ -28,17 +27,29 @@ Cambridge, MA 02139, USA. */ /* Return the value of the environment variable NAME. */ char * -DEFUN(getenv, (name), register CONST char *name) +getenv (name) + const char *name; { - register CONST size_t len = strlen(name); - register char **ep; + const size_t len = strlen (name); + char **ep; if (__environ == NULL) return NULL; for (ep = __environ; *ep != NULL; ++ep) - if (!strncmp(*ep, name, len) && (*ep)[len] == '=') + if (!strncmp (*ep, name, len) && (*ep)[len] == '=') return &(*ep)[len + 1]; return NULL; } + + +/* Some programs and especially the libc itself have to be careful + what values to accept from the environment. This special version + checks for SUID or SGID first before doing any work. */ +char * +__secure_getenv (name) + const char *name; +{ + return __libc_enable_secure ? NULL : getenv (name); +} |