1 files changed, 49 insertions, 0 deletions
diff --git a/src/lib/dir.c b/src/lib/dir.c
new file mode 100644
index 0000000..150d5bf
--- /dev/null
+++ b/src/lib/dir.c
@@ -0,0 +1,49 @@
+#include <lib/dir.h>
+#include <dirent.h>
+#include <sys/stat.h>
+#include <string.h>
+#include <stdlib.h>
+
+//-----------------------------------------------
+// Is directory
+bool_t is_directory(char* dirname) {
+  struct stat st;
+  if (stat(dirname, &st) == 0) {
+    if (S_ISDIR(st.st_mode)) {
+      return TRUE;
+    }
+  }
+  return FALSE;
+}
+
+//-----------------------------------------------
+// List directory
+char** lsdir(char* dirname) {
+  DIR *d;
+  struct dirent *dir;
+  d = opendir(dirname);
+  char** file_names = (char**)malloc(sizeof(char*));
+  if (!file_names) {
+    return NULL;
+  }
+  file_names[0] = NULL;
+  size_t file_count = 0;
+  if (d) {
+    while ((dir = readdir(d)) != NULL) {
+      if (dir->d_type == DT_REG) {
+	// When a regular file is reached
+	/// Create space for it in the list
+	file_names = realloc(file_names, (file_count+1+1)*sizeof(char*));
+	/// Create space for the name
+	file_names[file_count] = calloc(strlen(dir->d_name)+1, sizeof(char));
+	/// Copy the name
+	strcpy(file_names[file_count], dir->d_name);
+	/// Mark the end of the file list with a NULL entry
+	file_names[++file_count] = NULL;
+      }
+    }
+    return file_names;
+  }
+  return NULL;
+}
+