time-util: Fix overflow check introduce in commit f977849 (#5216)

[elogind.git] / src / basic / fileio.c

diff --git a/src/basic/fileio.c b/src/basic/fileio.c
index 4ad2acf3bd7d9f5a404c1b04f89fe378f4a0d6f5..8241e656addefef6263b832389fbb46a60974140 100644 (file)
--- a/src/basic/fileio.c
+++ b/src/basic/fileio.c
@@ -676,7 +676,7 @@ static int load_env_file_push(
                 return -EINVAL;
         }
 
-        p = strjoin(key, "=", strempty(value), NULL);
+        p = strjoin(key, "=", strempty(value));
         if (!p)
                 return -ENOMEM;
 
@@ -965,9 +965,9 @@ static int search_and_fopen_internal(const char *path, const char *mode, const c
                 FILE *f;
 
                 if (root)
-                        p = strjoin(root, *i, "/", path, NULL);
+                        p = strjoin(root, *i, "/", path);
                 else
-                        p = strjoin(*i, "/", path, NULL);
+                        p = strjoin(*i, "/", path);
                 if (!p)
                         return -ENOMEM;
 
@@ -1414,3 +1414,22 @@ int read_nul_string(FILE *f, char **ret) {
 
         return 0;
 }
+
+int mkdtemp_malloc(const char *template, char **ret) {
+        char *p;
+
+        assert(template);
+        assert(ret);
+
+        p = strdup(template);
+        if (!p)
+                return -ENOMEM;
+
+        if (!mkdtemp(p)) {
+                free(p);
+                return -errno;
+        }
+
+        *ret = p;
+        return 0;
+}