1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
/* ISC license. */
#include <string.h>
#include <skalibs/sgetopt.h>
#include <skalibs/direntry.h>
#include <skalibs/buffer.h>
#include <skalibs/strerr2.h>
#define USAGE "s6-ls [ -0 ] [ -a | -A ] [ -x exclude ] dir"
int main (int argc, char const *const *argv)
{
unsigned int all = 0 ;
char const *exclude = 0 ;
char delim = '\n' ;
PROG = "s6-ls" ;
{
subgetopt_t l = SUBGETOPT_ZERO ;
for (;;)
{
int opt = subgetopt_r(argc, argv, "0aAx:", &l) ;
if (opt == -1) break ;
switch (opt)
{
case '0': delim = '\0' ; break ;
case 'a': all = 1 ; break ;
case 'A': all = 2 ; break ;
case 'x': exclude = l.arg ; break ;
default : strerr_dieusage(100, USAGE) ;
}
}
argc -= l.ind ; argv += l.ind ;
}
if (!argc) strerr_dieusage(100, USAGE) ;
{
direntry *d ;
DIR *dir = opendir(*argv) ;
if (!dir)
strerr_diefu2sys(111, "open directory ", *argv) ;
while ((d = readdir(dir)))
{
if ((d->d_name[0] == '.') && (all < 2))
{
if (!all || !d->d_name[1] || ((d->d_name[1] == '.') && !d->d_name[2])) continue ;
}
if (exclude && !strcmp(exclude, d->d_name)) continue ;
if ((buffer_puts(buffer_1, d->d_name) < 0)
|| (buffer_put(buffer_1, &delim, 1) < 0))
strerr_diefu1sys(111, "write to stdout") ;
}
dir_close(dir) ;
}
if (!buffer_flush(buffer_1))
strerr_diefu1sys(111, "write to stdout") ;
return 0 ;
}
|
