Added recursion for directory, not complete ustar format

1 files changed, 85 insertions, 0 deletions

diff --git a/src/fs.c b/src/fs.c
new file mode 100644
index 0000000..78ef25a
--- /dev/null
+++ b/src/fs.c
@@ -0,0 +1,85 @@
+#include "tar.h"
+
+int file_content_write(int fd, int file_fd, struct stat *statbuf)
+{
+	char	*content;
+
+	if ((content = malloc(statbuf->st_size)) == NULL)
+	{
+		perror("file_content_write");
+		close(file_fd);
+		return -1;
+	}
+	if (read(file_fd, content, statbuf->st_size) == -1)
+	{
+		perror("file_content_write");
+		close(file_fd);
+		free(content);
+		return -1;
+	}
+	int	ret = record_write(fd, content, statbuf->st_size);
+	close(file_fd);
+	free(content);
+	return (ret);
+}
+
+int file_write(int fd, char file_name[PATH_MAX])
+{
+	int			file_fd;
+	struct stat	statbuf;
+
+	fprintf(stderr, "|%s|\n", file_name);
+	if (stat(file_name, &statbuf) == -1)
+	{
+		perror("file_write stat");
+		return -1;
+	}
+	if (header_write(fd, file_name, &statbuf) == -1)
+		return -1;
+
+	switch (statbuf.st_mode & S_IFMT)
+	{
+		case S_IFDIR:
+			return directory_write(fd, file_name);
+		default:
+			if ((file_fd = open(file_name, O_RDONLY)) == -1)
+			{
+				perror("file_write open");
+				return -1;
+			}
+			return file_content_write(fd, file_fd, &statbuf);
+	}
+	return (0);
+}
+
+int directory_write(int fd, char dir_name[PATH_MAX])
+{
+	DIR				*dir;
+	struct dirent	*entry;
+	size_t			len;
+
+	if ((dir = opendir(dir_name)) == NULL)
+	{
+		perror("directory_write");
+		return -1;
+	}
+	len = strlen(dir_name);
+	strcat(dir_name, "/");
+	len++;
+	while ((entry = readdir(dir)) != NULL)
+	{
+		if (strcmp(entry->d_name, ".") == 0 ||
+			strcmp(entry->d_name, "..") == 0)
+			continue;
+		strcat(dir_name, entry->d_name);
+		if (file_write(fd, dir_name) == -1)
+		{
+			closedir(dir);
+			return -1;
+		}
+		dir_name[len] = '\0';
+	}
+	dir_name[len - 1] = '\0';
+	closedir(dir);
+	return 0;
+}