sbase/util/cp.c

60 lines
1.3 KiB
C

/* See LICENSE file for copyright and license details. */
#include <dirent.h>
#include <errno.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
#include "../fs.h"
#include "../text.h"
#include "../util.h"
bool cp_rflag = false;
int
cp(const char *s1, const char *s2)
{
FILE *f1, *f2;
char *ns1, *ns2;
long size1, size2;
struct dirent *d;
struct stat st;
DIR *dp;
if (stat(s1, &st) == 0 && S_ISDIR(st.st_mode)) {
if (!cp_rflag) {
eprintf("%s: is a directory\n", s1);
}
else {
if(!(dp = opendir(s1)))
eprintf("opendir %s:", s1);
if (mkdir(s2, st.st_mode) == -1 && errno != EEXIST)
eprintf("mkdir %s:", s2);
apathmax(&ns1, &size1);
apathmax(&ns2, &size2);
while((d = readdir(dp)))
if(strcmp(d->d_name, ".") && strcmp(d->d_name, "..")) {
if(snprintf(ns1, size1, "%s/%s", s1, d->d_name) > size1)
eprintf("%s/%s: filename too long\n", s1, d->d_name);
if(snprintf(ns2, size2, "%s/%s", s2, d->d_name) > size2)
eprintf("%s/%s: filename too long\n", s2, d->d_name);
fnck(ns1, ns2, cp);
}
closedir(dp);
free(ns1);
free(ns2);
}
return 0;
}
if(!(f1 = fopen(s1, "r")))
eprintf("fopen %s:", s1);
if(!(f2 = fopen(s2, "w")))
eprintf("fopen %s:", s2);
concat(f1, s1, f2, s2);
fclose(f2);
fclose(f1);
return 0;
}