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-rw-r--r--libsbutil/Makefile.am3
-rw-r--r--libsbutil/environment.c45
-rw-r--r--libsbutil/is_env_off.c22
-rw-r--r--libsbutil/is_env_on.c22
4 files changed, 46 insertions, 46 deletions
diff --git a/libsbutil/Makefile.am b/libsbutil/Makefile.am
index f1fed76..39a5ab6 100644
--- a/libsbutil/Makefile.am
+++ b/libsbutil/Makefile.am
@@ -18,8 +18,7 @@ libsbutil_la_SOURCES = \
get_sandbox_rc.c \
get_sandbox_log.c \
get_tmp_dir.c \
- is_env_on.c \
- is_env_off.c \
+ environment.c \
sb_backtrace.c \
sb_efuncs.c \
sb_gdb.c \
diff --git a/libsbutil/environment.c b/libsbutil/environment.c
new file mode 100644
index 0000000..b24189f
--- /dev/null
+++ b/libsbutil/environment.c
@@ -0,0 +1,45 @@
+/*
+ * environment.c
+ *
+ * Environment utility functions.
+ *
+ * Copyright 1999-2012 Gentoo Foundation
+ * Licensed under the GPL-2
+ */
+
+#include "headers.h"
+#include "sbutil.h"
+
+static bool env_is_in(const char *env, const char *values[])
+{
+ size_t i = 0;
+ const char *val;
+
+ if (unlikely(!env))
+ return false;
+ val = getenv(env);
+ if (unlikely(!val))
+ return false;
+
+ while (values[i])
+ if (!strcasecmp(val, values[i++]))
+ return true;
+
+ return false;
+}
+
+bool is_env_on(const char *env)
+{
+ static const char *values[] = {
+ "1", "true", "yes", NULL,
+ };
+ return env_is_in(env, values);
+}
+
+bool is_env_off(const char *env)
+{
+ static const char *values[] = {
+ "0", "false", "no", NULL,
+ };
+ return env_is_in(env, values);
+}
diff --git a/libsbutil/is_env_off.c b/libsbutil/is_env_off.c
deleted file mode 100644
index 3536ee7..0000000
--- a/libsbutil/is_env_off.c
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * is_env_off.c
- *
- * Util functions.
- *
- * Copyright 1999-2008 Gentoo Foundation
- * Licensed under the GPL-2
- */
-
-#include "headers.h"
-#include "sbutil.h"
-
-bool is_env_off (const char *env)
-{
- if ((NULL != env) && (NULL != getenv(env)) &&
- ((0 == strncasecmp(getenv(env), "0", 1)) ||
- (0 == strncasecmp(getenv(env), "false", 5)) ||
- (0 == strncasecmp(getenv(env), "no", 2))))
- return true;
-
- return false;
-}
diff --git a/libsbutil/is_env_on.c b/libsbutil/is_env_on.c
deleted file mode 100644
index 18a8cc0..0000000
--- a/libsbutil/is_env_on.c
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * is_env_on.c
- *
- * Util functions.
- *
- * Copyright 1999-2008 Gentoo Foundation
- * Licensed under the GPL-2
- */
-
-#include "headers.h"
-#include "sbutil.h"
-
-bool is_env_on (const char *env)
-{
- if ((NULL != env) && (NULL != getenv(env)) &&
- ((0 == strncasecmp(getenv(env), "1", 1)) ||
- (0 == strncasecmp(getenv(env), "true", 4)) ||
- (0 == strncasecmp(getenv(env), "yes", 3))))
- return true;
-
- return false;
-}