cosmopolitan/examples/stat.c

62 lines
2.2 KiB
C

#if 0
/*─────────────────────────────────────────────────────────────────╗
│ To the extent possible under law, Justine Tunney has waived │
│ all copyright and related or neighboring rights to this file, │
│ as it is written in the following disclaimers: │
│ • http://unlicense.org/ │
│ • http://creativecommons.org/publicdomain/zero/1.0/ │
╚─────────────────────────────────────────────────────────────────*/
#endif
#include "libc/calls/calls.h"
#include "libc/calls/struct/stat.h"
#include "libc/errno.h"
#include "libc/fmt/fmt.h"
#include "libc/runtime/gc.h"
#include "libc/stdio/stdio.h"
#include "libc/x/x.h"
/**
* @fileoverview File metadata viewer.
*
* This demonstrates the more powerful aspects of the printf() DSL.
*/
void PrintFileMetadata(const char *pathname, struct stat *st) {
printf("\n%s:", pathname);
if (stat(pathname, st) != -1) {
printf(
"\n"
"%-32s%,ld\n"
"%-32s%,ld\n"
"%-32s%#lx\n"
"%-32s%#lx\n"
"%-32s%ld\n"
"%-32s%#o\n"
"%-32s%d\n"
"%-32s%d\n"
"%-32s%d\n"
"%-32s%ld\n"
"%-32s%s\n"
"%-32s%s\n"
"%-32s%s\n",
"bytes in file", st->st_size, "physical bytes", st->st_blocks * 512,
"device id w/ file", st->st_dev, "inode", st->st_ino, "hard link count",
st->st_nlink, "mode / permissions", st->st_mode, "owner id", st->st_uid,
"group id", st->st_gid, "device id (if special)", st->st_rdev,
"block size", st->st_blksize, "access time", gc(xiso8601(&st->st_atim)),
"modified time", gc(xiso8601(&st->st_mtim)), "c[omplicated]time",
gc(xiso8601(&st->st_ctim)));
} else {
printf(" %s\n", strerror(errno));
}
}
int main(int argc, char *argv[]) {
size_t i;
struct stat st;
for (i = 1; i < argc; ++i) {
PrintFileMetadata(argv[i], &st);
}
return 0;
}