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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <dirent.h>
#include <errno.h>
#include <string.h>
int
main(int argc, char *argv[])
{
int tfd;
DIR *sdir;
struct dirent *dirent;
if (argc != 3) {
fprintf(stderr, "Usage: %s SRC DST\n", argv[0]);
exit(1);
}
sdir = opendir(argv[1]);
if (sdir == NULL) {
fprintf(stderr, "Failed to open %s: %s\n",
argv[1], strerror(errno));
exit(2);
}
tfd = open(argv[2], O_DIRECTORY);
if (tfd < 0) {
fprintf(stderr, "Failed to open %s: %s\n",
argv[2], strerror(errno));
closedir(sdir);
exit(3);
}
while ((dirent = readdir(sdir)) != NULL) {
if (dirent->d_name[0] == '.' &&
(dirent->d_name[1] == '.' || dirent->d_name[1] == '\0'))
continue;
int fd = openat(tfd, dirent->d_name, O_CREAT|O_WRONLY, 0666);
if (fd < 0) {
fprintf(stderr, "Failed to create %s/%s: %s\n",
argv[2], dirent->d_name, strerror(errno));
closedir(sdir);
close(tfd);
exit(4);
}
close(fd);
}
closedir(sdir);
close(tfd);
return (0);
}
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