Split cfws.c into multiple files

1 files changed, 47 insertions, 0 deletions

diff --git a/file.c b/file.c
new file mode 100644
index 0000000..a8fef33
--- /dev/null
+++ b/file.c
@@ -0,0 +1,47 @@
+#include "file.h"
+
+#include <errno.h>
+#include <linux/limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <unistd.h>
+
+size_t file_read(const char *uri_path, char **buffer)
+{
+	FILE *fp;
+	struct stat statbuf;
+	char path[PATH_MAX];
+	long len;
+
+	/* Prepend the current working directory to the uri path */
+	getcwd(path, PATH_MAX);
+	strncat(path, uri_path, PATH_MAX - 1);
+
+	/* Append 'index.html' to directory paths. */
+	stat(path, &statbuf);
+	if (S_ISDIR(statbuf.st_mode))
+		strcat(path, "index.html");
+
+	fp = fopen(path, "rb");
+	if (fp == NULL) {
+		/*
+		 * File not found is a very common and harmless error, so
+		 * there's no need to print it out every time.
+		 */
+		if (errno != ENOENT)
+			perror("Failed to open file");
+		return 0;
+	}
+
+	fseek(fp, 0, SEEK_END);
+	len = ftell(fp);
+	fseek(fp, 0, SEEK_SET);
+
+	*buffer = malloc(len);
+	fread(*buffer, 1, len, fp);
+
+	fclose(fp);
+	return len;
+}