sbase/mv.c
Michael Forney edbcc223ea libutil/recurse: Use a single path buffer, and directory fd
This way, we don't use PATH_MAX bytes on the stack per path component,
and don't have to keep copying the complete path around.
2020-03-05 00:45:53 -08:00

64 lines
1.1 KiB
C

/* See LICENSE file for copyright and license details. */
#include <sys/stat.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include "fs.h"
#include "util.h"
static int mv_status = 0;
static int
mv(const char *s1, const char *s2, int depth)
{
struct recursor r = { .fn = rm, .hist = NULL, .depth = 0, .maxdepth = 0,
.follow = 'P', .flags = 0 };
if (!rename(s1, s2))
return (mv_status = 0);
if (errno == EXDEV) {
cp_aflag = cp_rflag = cp_pflag = 1;
cp_follow = 'P';
cp(s1, s2, depth);
recurse(AT_FDCWD, s1, NULL, &r);
return (mv_status = cp_status || rm_status);
}
mv_status = 1;
return -1;
}
static void
usage(void)
{
eprintf("usage: %s [-f] source ... dest\n", argv0);
}
int
main(int argc, char *argv[])
{
struct stat st;
ARGBEGIN {
case 'f':
break;
default:
usage();
} ARGEND
if (argc < 2)
usage();
if (argc > 2) {
if (stat(argv[argc - 1], &st) < 0)
eprintf("stat %s:", argv[argc - 1]);
if (!S_ISDIR(st.st_mode))
eprintf("%s: not a directory\n", argv[argc - 1]);
}
enmasse(argc, argv, mv);
return mv_status;
}