Fix BZ #18043 comment # 19: don't call undefined setenv(..., NULL, 1).

diff --git a/ChangeLog b/ChangeLog
index 10410dc..7360079 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2015-03-11  Paul Pluzhnikov  <ppluzhnikov@google.com>
+
+       [BZ #18043]
+       * posix/wordexp.c (parse_param): Don't call setenv(..., NULL, 1).
+
 2015-03-11  Adhemerval Zanellla  <azanella@linux.vnet.ibm.com>
 
        * config.h.in [HAVE_ASM_GLOBAL_DOT_NAME]: Remove define.

diff --git a/posix/wordexp.c b/posix/wordexp.c
index f470e08..f6062d5 100644 (file)
--- a/posix/wordexp.c
+++ b/posix/wordexp.c
@@ -1915,7 +1915,7 @@ envsubst:
          if (pattern && !value)
            goto no_space;
 
-         __setenv (env, value, 1);
+         __setenv (env, value ?: "", 1);
          break;
 
        default: