X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;ds=sidebyside;f=src%2Fcommon%2Futils.c;h=16f38852af6324e697402d79ad5f18153c7849c1;hb=bf9abc514ce1871a1cb26cfd9f73257edf7d24a0;hp=3e659a1c81079d74b52aab9993c555fcaba6b62d;hpb=0c7bcad5eaa11b368460759fc87f949e8c56b98f;p=lttng-tools.git

diff --git a/src/common/utils.c b/src/common/utils.c
index 3e659a1c8..16f38852a 100644
--- a/src/common/utils.c
+++ b/src/common/utils.c
@@ -32,6 +32,7 @@
 #include <common/runas.h>
 
 #include "utils.h"
+#include "defaults.h"
 
 /*
  * Return the realpath(3) of the path even if the last directory token does not
@@ -440,6 +441,7 @@ static void regex_print_error(int errcode, regex_t *regex)
  *
  * @return 0 on success, -1 on failure.
  */
+LTTNG_HIDDEN
 int utils_parse_size_suffix(char *str, uint64_t *size)
 {
 	regex_t regex;
@@ -580,3 +582,18 @@ int utils_get_count_order_u32(uint32_t x)
 
 	return fls_u32(x - 1);
 }
+
+/**
+ * Obtain the value of LTTNG_HOME environment variable, if exists.
+ * Otherwise returns the value of HOME.
+ */
+LTTNG_HIDDEN
+char *utils_get_home_dir(void)
+{
+	char *val = NULL;
+	val = getenv(DEFAULT_LTTNG_HOME_ENV_VAR);
+	if (val != NULL) {
+		return val;
+	}
+	return getenv(DEFAULT_LTTNG_FALLBACK_HOME_ENV_VAR);
+}