From 6820631175868c277effa7cc05f9cb3197b72654 Mon Sep 17 00:00:00 2001
From: Aaron Marcher <me@drkhsh.at>
Date: Sun, 17 Sep 2017 16:18:17 +0200
Subject: Split into multiple files

For multiple reasons the program is now split:
- Make future porting to OpenBSD easier
- Assign header includes to individiual functions
- Make future program extensions easier
- Recompile only changed parts
---
 num_files.c | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 num_files.c

(limited to 'num_files.c')

diff --git a/num_files.c b/num_files.c
new file mode 100644
index 0000000..505e24a
--- /dev/null
+++ b/num_files.c
@@ -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);
+}
-- 
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