package/base/dietlibc/putenv.patch

   1 # --- T2-COPYRIGHT-NOTE-BEGIN ---
   2 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
   3 #
   4 # T2 SDE: package/.../dietlibc/putenv.patch
   5 # Copyright (C) 2006 The T2 SDE Project
   6 #
   7 # More information can be found in the files COPYING and README.
   8 #
   9 # This patch file is dual-licensed. It is available under the license the
  10 # patched project is licensed under, as long as it is an OpenSource license
  11 # as defined at http://www.opensource.org/ (e.g. BSD, X11) or under the terms
  12 # of the GNU General Public License as published by the Free Software
  13 # Foundation; either version 2 of the License, or (at your option) any later
  14 # version.
  15 # --- T2-COPYRIGHT-NOTE-END ---
  16
  17 For clearenv().
  18
  19    - Rene Rebe <rene@exactcode.de>
  20
  21 --- ./lib/putenv.c      19 Feb 2006 15:38:28 -0000      1.9
  22 +++ ./lib/putenv.c      22 Jun 2006 14:13:24 -0000
  23 @@ -2,6 +2,8 @@
  24  #include <string.h>
  25  #include <errno.h>
  26
  27 +char **__origenv; /* also used by clearenv */
  28 +
  29  int putenv(const char *string) {
  30    size_t len;
  31    int envc;
  32 @@ -9,8 +11,7 @@
  33    char *tmp;
  34    const char **ep;
  35    char **newenv;
  36 -  static char **origenv;
  37 -  if (!origenv) origenv=environ;
  38 +  if (!__origenv) __origenv=environ;
  39    if (!(tmp=strchr(string,'='))) {
  40      len=strlen(string);
  41      remove=1;
  42 @@ -29,11 +30,11 @@
  43      ++envc;
  44    }
  45    if (tmp) {
  46 -    newenv = (char**) realloc(environ==origenv?0:environ,
  47 +    newenv = (char**) realloc(environ==__origenv?0:environ,
  48                               (envc+2)*sizeof(char*));
  49      if (!newenv) return -1;
  50 -    if (envc && (environ==origenv)) {
  51 -      memcpy(newenv,origenv,envc*sizeof(char*));
  52 +    if (envc && (environ==__origenv)) {
  53 +      memcpy(newenv,__origenv,envc*sizeof(char*));
  54      }
  55      newenv[envc]=(char*)string;
  56      newenv[envc+1]=0;