Xinqi Bao's Git

Split into multiple files
[slstatus.git] / num_files.c
diff --git a/num_files.c b/num_files.c
new file mode 100644 (file)
index 0000000..505e24a
--- /dev/null
@@ -0,0 +1,29 @@
+#include <dirent.h>
+#include <err.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "util.h"
+
+const char *
+num_files(const char *dir)
+{
+       struct dirent *dp;
+       DIR *fd;
+       int num = 0;
+
+       if ((fd = opendir(dir)) == NULL) {
+               warn("Failed to get number of files in directory %s", dir);
+               return NULL;
+       }
+
+       while ((dp = readdir(fd)) != NULL) {
+               if (!strcmp(dp->d_name, ".") || !strcmp(dp->d_name, ".."))
+                       continue; /* skip self and parent */
+               num++;
+       }
+
+       closedir(fd);
+
+       return bprintf("%d", num);
+}