From 9e2ddae05c6aad66d08f0cbb66c4f8f9ef25cf4e Mon Sep 17 00:00:00 2001
From: Christian Hergert <chergert@redhat.com>
Date: Fri, 19 May 2023 10:13:01 -0700
Subject: [PATCH] libsysprof-analyze: make string functions recognize NULL

---
 src/libsysprof-analyze/sysprof-strings.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/libsysprof-analyze/sysprof-strings.c b/src/libsysprof-analyze/sysprof-strings.c
index 319d4219..a7c13f4e 100644
--- a/src/libsysprof-analyze/sysprof-strings.c
+++ b/src/libsysprof-analyze/sysprof-strings.c
@@ -70,6 +70,9 @@ sysprof_strings_get (SysprofStrings *self,
 {
   GRefString *ret;
 
+  if (string == NULL)
+    return NULL;
+
   g_mutex_lock (&self->mutex);
   if (!(ret = g_hash_table_lookup (self->hashtable, string)))
     {
@@ -88,6 +91,9 @@ sysprof_strings_lookup (SysprofStrings *self,
 {
   GRefString *ret;
 
+  if (string == NULL)
+    return NULL;
+
   g_mutex_lock (&self->mutex);
   ret = g_hash_table_lookup (self->hashtable, string);
   g_mutex_unlock (&self->mutex);