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#define _GNU_SOURCE
#include <copy.h>
#include <fcntl.h>
#include <filehandler.h>
#include <ftw.h>
#include <string.h>
#include <sys/sendfile.h>
#include <sys/stat.h>
#include <unistd.h>
int
copy_recursively(const char *fpath,
const struct stat *sb,
int typeflag,
struct FTW *ftwbuf)
{
(void) sb;
(void) ftwbuf;
const char *path = fpath + strlen(DIRECTORY) + 1;
char *output_path = NULL;
asprintf(&output_path, "%s/%s", OUTPUT, path);
if (typeflag == FTW_D) {
mkdir(output_path, 0700);
return FTW_CONTINUE;
}
if (typeflag != FTW_F)
return FTW_CONTINUE;
FILE *in = fopen(fpath, "r");
size_t size = fsize(in);
fclose(in);
int in_fd = open(fpath, O_RDONLY);
int out_fd = open(output_path, O_WRONLY | O_CREAT, 0700);
sendfile(out_fd, in_fd, 0, size);
close(in_fd);
close(out_fd);
return FTW_CONTINUE;
}
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