112 lines
1.8 KiB
C
112 lines
1.8 KiB
C
#include <stdio.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <dirent.h>
|
|
#include <stdint.h>
|
|
#include "get_stat.h"
|
|
#include "make_path.h"
|
|
#include "human.h"
|
|
|
|
char h_flag;
|
|
char s_flag;
|
|
char c_flag;
|
|
off_t total;
|
|
|
|
void print(off_t size, const char *filename) {
|
|
if (h_flag)
|
|
printf("%s\t%s\n", mu_humansize(size * 512, 1024), filename);
|
|
|
|
else
|
|
printf("%jd\t%s\n", (intmax_t)size / 2, filename);
|
|
}
|
|
|
|
off_t du(const char *path, int recurs_flag) {
|
|
struct stat sb;
|
|
if (mu_get_lstat("du", path, &sb))
|
|
return 0;
|
|
|
|
off_t sum = sb.st_blocks;
|
|
if (c_flag)
|
|
total += sum;
|
|
|
|
if (S_ISDIR(sb.st_mode)) {
|
|
DIR *dp = opendir(path);
|
|
if (!dp) {
|
|
fprintf(stderr, "du: %s\n", strerror(errno));
|
|
return 0;
|
|
}
|
|
|
|
struct dirent *ep;
|
|
while ((ep = readdir(dp)) != NULL) {
|
|
if (!strcmp(ep->d_name, ".") || !strcmp(ep->d_name, ".."))
|
|
continue;
|
|
|
|
char *new_path = mu_make_path("du", path, ep->d_name);
|
|
if (new_path == NULL)
|
|
return 0;
|
|
|
|
sum += du(new_path, 1);
|
|
|
|
free(new_path);
|
|
}
|
|
|
|
closedir(dp);
|
|
|
|
if (!s_flag && recurs_flag) {
|
|
print(sum, path);
|
|
return sum;
|
|
}
|
|
|
|
/* Silent mode */
|
|
else if (!recurs_flag)
|
|
print(sum, path);
|
|
}
|
|
|
|
else if (!recurs_flag)
|
|
print(sum, path);
|
|
|
|
return sum;
|
|
}
|
|
|
|
int main(int argc, char **argv) {
|
|
|
|
int opt;
|
|
while ((opt = getopt(argc, argv, "hsc")) != -1) {
|
|
switch (opt) {
|
|
case 'h':
|
|
h_flag = 1;
|
|
break;
|
|
|
|
case 's':
|
|
s_flag = 1;
|
|
break;
|
|
|
|
case 'c':
|
|
c_flag = 1;
|
|
break;
|
|
|
|
default:
|
|
printf("du [hsc] [src1 src2...]\n\t-h Sizes in human readable format\n\t-s Display only a total for each argument\n\t-c produce a grand total\n");
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
if (argv[optind] == NULL)
|
|
du(".", 0);
|
|
|
|
else {
|
|
argv += optind;
|
|
argc -= optind;
|
|
for (int i = 0; i < argc; i++)
|
|
du(argv[i], 0);
|
|
|
|
}
|
|
|
|
if (c_flag)
|
|
print(total, "total");
|
|
|
|
return 0;
|
|
}
|