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
57
58
59
60
61
62
63
64
65
|
/* ISC license. */
#include <sys/wait.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <skalibs/posixplz.h>
#include <skalibs/types.h>
#include <skalibs/strerr.h>
#include <skalibs/stralloc.h>
#include <skalibs/genalloc.h>
#include <skalibs/cspawn.h>
#include <skalibs/djbunix.h>
#include <skalibs/skamisc.h>
#include <s6-rc/config.h>
#include <s6-rc/repo.h>
int s6rc_repo_listcontents (char const *repo, char const *bundle, stralloc *storage, genalloc *indices)
{
size_t sabase = storage->len ;
size_t gabase = genalloc_len(size_t, indices) ;
size_t repolen = strlen(repo) ;
pid_t pid ;
int fd ;
int wstat ;
char refdb[repolen + 15] ;
char const *argv[8] = { S6RC_BINPREFIX "s6-rc-db", "-c", refdb, "-b", "--", "contents", bundle, 0 } ;
memcpy(refdb, repo, repolen) ;
memcpy(refdb + repolen, "/compiled/.ref", 15) ;
pid = child_spawn1_pipe(argv[0], argv, (char const *const *)environ, &fd, 1) ;
if (!pid) { strerr_warnfu2sys("spawn ", argv[0]) ; return 111 ; }
if (!slurpn(fd, storage, 0)) { strerr_warnfu2sys("read output from ", argv[0]) ; return 111 ; }
fd_close(fd) ;
if (wait_pid(pid, &wstat) == -1) { strerr_warnfu2sys("wait for ", argv[0]) ; return 111 ; }
if (WIFSIGNALED(wstat))
{
char fmt[UINT_FMT] ;
fmt[uint_fmt(fmt, WTERMSIG(wstat))] = 0 ;
strerr_warnf3x(argv[0], " crashed with signal ", fmt) ;
return wait_estatus(wstat) ;
}
if (WEXITSTATUS(wstat))
{
char fmt[UINT_FMT] ;
fmt[uint_fmt(fmt, WEXITSTATUS(wstat))] = 0 ;
strerr_warnf3x(argv[0], " exited with code ", fmt) ;
return WEXITSTATUS(wstat) ;
}
if (!string_index(storage->s, sabase, storage->len - sabase, '\n', indices))
{
strerr_warnfu1sys("index result from s6-rc-db") ;
goto err ;
}
s6rc_repo_removeinternals(indices, gabase, storage->s) ;
return 0 ;
err:
genalloc_setlen(size_t, indices, gabase) ;
storage->len = sabase ;
return 111 ;
}
|
