Add new code

Signed-off-by: Carlos Maiolino <[email protected]>

1 files changed, 39 insertions, 0 deletions

diff --git a/C/final-project-z2h/src/file.c b/C/final-project-z2h/src/file.c
new file mode 100644
index 0000000..fcdb036
--- /dev/null
+++ b/C/final-project-z2h/src/file.c
@@ -0,0 +1,39 @@
+#include <stdio.h>
+
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+
+#include "file.h"
+#include "common.h"
+
+
+int create_db_file(char *filename) {
+	int fd = open(filename, O_RDWR);
+	if (fd != -1) {
+		close(fd);
+		printf("File already exists\n");
+		return STATUS_ERROR;
+	}
+
+	fd = open(filename, O_RDWR | O_CREAT, 0644);
+	if (fd == -1) {
+		perror("open");
+		return STATUS_ERROR;
+	}
+
+	return fd;
+}
+
+int open_db_file(char *filename) {
+	int fd = open(filename, O_RDWR, 0644);
+	if (fd == -1) {
+		perror("open");
+		return STATUS_ERROR;
+	}
+
+	return fd;
+}
+
+