sbase/util/cp.c

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/* 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>
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#include "../fs.h"
#include "../text.h"
#include "../util.h"
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bool cp_fflag = false;
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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;
int r;
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if (stat(s1, &st) == 0 && S_ISDIR(st.st_mode)) {
if (!cp_rflag)
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eprintf("%s: is a directory\n", s1);
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, "..")) {
r = snprintf(ns1, size1, "%s/%s", s1, d->d_name);
if(r >= size1 || r < 0) {
eprintf("%s/%s: filename too long\n",
s1, d->d_name);
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}
r = snprintf(ns2, size2, "%s/%s", s2, d->d_name);
if(r >= size2 || r < 0) {
eprintf("%s/%s: filename too long\n",
s2, d->d_name);
}
fnck(ns1, ns2, cp);
}
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}
closedir(dp);
free(ns1);
free(ns2);
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return 0;
}
if(!(f1 = fopen(s1, "r")))
eprintf("fopen %s:", s1);
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if(!(f2 = fopen(s2, "w"))) {
if (cp_fflag == true) {
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unlink(s2);
if (!(f2 = fopen(s2, "w")))
eprintf("fopen %s:", s2);
} else {
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eprintf("fopen %s:", s2);
}
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}
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concat(f1, s1, f2, s2);
fchmod(fileno(f2), st.st_mode);
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fclose(f2);
fclose(f1);
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return 0;
}