store configs in subfolders and error/logging infrastructure

1 files changed, 11 insertions, 2 deletions

diff --git a/src/ckutil.c b/src/ckutil.c
index 880696b..a477b36 100644
--- a/src/ckutil.c
+++ b/src/ckutil.c
@@ -45,19 +45,28 @@ int util_file_exists(const char* path, char *absPath) {
   if (stat(path, &st) == -1) {
     return 0;
   }
-  if (absPath != NULL) {
+  if (absPath) {
     realpath(path, absPath);
   }
   return 1;
 }
 
-int util_is_file_rw(const char* path) {
+int util_is_file_rw(const char *path) {
   if (access(path, R_OK | W_OK) == 0) {
     return 1;
   }
   return 0;
 }
 
+int util_is_file_link(const char *path) {
+  struct stat buf;
+  lstat(path, &buf);
+  if (S_ISLNK(buf.st_mode)) {
+    return 0;
+  }
+  return 1;
+}
+
 void util_mkdir(const char *name) {
   mkdir(name, 0755);
 }