* hash.c (ruby_setenv): get rid of crash in Solaris 8 and 10.

  [ruby-core:26668]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@25766 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

2 files changed, 33 insertions, 1 deletions

diff --git a/ChangeLog b/ChangeLog
index 53c098a6ef..40cd47a0a6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sat Nov 14 16:43:24 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* hash.c (ruby_setenv): get rid of crash in Solaris 8 and 10.
+	  [ruby-core:26668]
+
 Sat Nov 14 04:07:06 2009  Hidetoshi NAGAI  <nagai@ai.kyutech.ac.jp>
 
 	* ext/tk/lib/tk/variable.rb (TkVariable::coerce): fix bug on a
diff --git a/hash.c b/hash.c
index 0b962c8ae7..169abbd52a 100644
--- a/hash.c
+++ b/hash.c
@@ -2001,7 +2001,19 @@ rb_env_path_tainted()
     return path_tainted;
 }
 
-#if !defined(_WIN32) && !(defined(HAVE_SETENV) && defined(HAVE_UNSETENV))
+#if defined(_WIN32) || (defined(HAVE_SETENV) && defined(HAVE_UNSETENV))
+#elif defined __sun__
+static int
+in_origenv(str)
+    const char *str;
+{
+    char **env;
+    for (env = origenviron; *env; ++env) {
+	if (*env == str) return 1;
+    }
+    return 0;
+}
+#else
 static int
 envix(nam)
     const char *nam;
@@ -2050,6 +2062,21 @@ ruby_setenv(name, value)
 	setenv(name,value,1);
     else
 	unsetenv(name);
+#elif defined __sun__
+    size_t len = strlen(name);
+    char **env_ptr, *str;
+    for (env_ptr = GET_ENVIRON(environ); (str = *env_ptr) != 0; ++env_ptr) {
+	if (!strncmp(str, name, len) && str[len] == '=') {
+	    if (!in_origenv(str)) free(str);
+	    while ((env_ptr[0] = env_ptr[1]) != 0) env_ptr++;
+	    break;
+	}
+    }
+    if (value) {
+	str = malloc(len += strlen(value) + 2);
+	snprintf(str, len, "%s=%s", name, value);
+	putenv(str);
+    }
 #else  /* WIN32 */
     size_t len;
     int i=envix(name);		        /* where does it go? */