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
66
|
/* ISC license. */
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include <skalibs/posixplz.h>
#include <skalibs/direntry.h>
#include <skalibs/strerr.h>
#include <skalibs/stralloc.h>
#include <skalibs/genalloc.h>
#include <s6-rc/repo.h>
static inline int s6rc_repo_addsub (char const *sub, uint8_t i, stralloc *sa, genalloc *ga)
{
DIR *dir = opendir(sub) ;
if (!dir) { strerr_warnfu2sys("opendir ", sub) ; return 0 ; }
for (;;)
{
s6rc_repo_sv sv = { .pos = sa->len, .sub = i } ;
direntry *d ;
errno = 0 ;
d = readdir(dir) ;
if (!d) break ;
if (d->d_name[0] == '.') continue ;
if (!stralloc_cats(sa, d->d_name) || !stralloc_0(sa)
|| !genalloc_append(s6rc_repo_sv, ga, &sv)) goto nomem ;
}
dir_close(dir) ;
if (errno) { strerr_warnfu2sys("readdir ", sub) ; return 0 ; }
return 1 ;
nomem:
strerr_warnfu1sys("stralloc_catb") ;
return 0 ;
}
int s6rc_repo_makesvlist (char const *repo, char const *set, stralloc *sa, genalloc *ga, uint32_t *tab)
{
size_t repolen = strlen(repo) ;
size_t setlen = strlen(set) ;
size_t sabase = sa->len ;
size_t gabase = genalloc_len(s6rc_repo_sv, ga) ;
int sawasnull = !sa->s ;
int gawasnull = !genalloc_s(s6rc_repo_sv, ga) ;
char subfn[repolen + setlen + 17] ;
memcpy(subfn, repo, repolen) ;
memcpy(subfn + repolen, "/sources/", 9) ;
memcpy(subfn + repolen + 9, set, setlen) ;
subfn[repolen + 9 + setlen] = '/' ;
for (uint8_t i = 0 ; i < 4 ; i++)
{
if (tab) tab[i] = genalloc_len(s6rc_repo_sv, ga) ;
memcpy(subfn + repolen + setlen + 10, s6rc_repo_subnames[i], 7) ;
if (!s6rc_repo_addsub(subfn, i, sa, ga)) goto err ;
}
return 1 ;
err:
if (sawasnull) stralloc_free(sa) ; else sa->len = sabase ;
if (gawasnull) genalloc_free(s6rc_repo_sv, ga) ; else genalloc_setlen(s6rc_repo_sv, ga, gabase) ;
return 0 ;
}
|
