~mdw / dpkg / blame
| Commit | Line | Data |
|---|---|---|
| 1479465f GJ |
1 | /* |
| 2 | * libdpkg - Debian packaging suite library routines | |
| 3 | * trignote.c - trigger note handling | |
| 4 | * | |
| 5 | * Copyright © 2007 Canonical Ltd | |
| 6 | * Written by Ian Jackson <ijackson@chiark.greenend.org.uk> | |
| 7 | * Copyright © 2008-2014 Guillem Jover <guillem@debian.org> | |
| 8 | * | |
| 9 | * This is free software; you can redistribute it and/or modify | |
| 10 | * it under the terms of the GNU General Public License as published by | |
| 11 | * the Free Software Foundation; either version 2 of the License, or | |
| 12 | * (at your option) any later version. | |
| 13 | * | |
| 14 | * This is distributed in the hope that it will be useful, | |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 17 | * GNU General Public License for more details. | |
| 18 | * | |
| 19 | * You should have received a copy of the GNU General Public License | |
| 20 | * along with this program. If not, see <https://www.gnu.org/licenses/>. | |
| 21 | */ | |
| 22 | ||
| 23 | #include <config.h> | |
| 24 | #include <compat.h> | |
| 25 | ||
| 26 | #include <string.h> | |
| 27 | ||
| 28 | #include <dpkg/dpkg.h> | |
| 29 | #include <dpkg/dpkg-db.h> | |
| 30 | #include <dpkg/pkg.h> | |
| 31 | #include <dpkg/pkg-list.h> | |
| 32 | #include <dpkg/dlist.h> | |
| 33 | #include <dpkg/triglib.h> | |
| 34 | ||
| 35 | /* | |
| 36 | * Note: This is also called from fields.c where *pend is a temporary! | |
| 37 | * | |
| 38 | * trig is not copied! | |
| 39 | */ | |
| 40 | bool | |
| 41 | trig_note_pend_core(struct pkginfo *pend, const char *trig) | |
| 42 | { | |
| 43 | struct trigpend *tp; | |
| 44 | ||
| 45 | for (tp = pend->trigpend_head; tp; tp = tp->next) | |
| 46 | if (strcmp(tp->name, trig) == 0) | |
| 47 | return false; | |
| 48 | ||
| 49 | tp = nfmalloc(sizeof(*tp)); | |
| 50 | tp->name = trig; | |
| 51 | tp->next = pend->trigpend_head; | |
| 52 | pend->trigpend_head = tp; | |
| 53 | ||
| 54 | return true; | |
| 55 | } | |
| 56 | ||
| 57 | /* | |
| 58 | * trig is not copied! | |
| 59 | * | |
| 60 | * @retval true For done. | |
| 61 | * @retval false For already noted. | |
| 62 | */ | |
| 63 | bool | |
| 64 | trig_note_pend(struct pkginfo *pend, const char *trig) | |
| 65 | { | |
| 66 | if (!trig_note_pend_core(pend, trig)) | |
| 67 | return false; | |
| 68 | ||
| 69 | if (pend->trigaw.head) | |
| 70 | pkg_set_status(pend, PKG_STAT_TRIGGERSAWAITED); | |
| 71 | else | |
| 72 | pkg_set_status(pend, PKG_STAT_TRIGGERSPENDING); | |
| 73 | ||
| 74 | return true; | |
| 75 | } | |
| 76 | ||
| 77 | /* | |
| 78 | * Note: This is called also from fields.c where *aw is a temporary | |
| 79 | * but pend is from pkg_db_find()! | |
| 80 | * | |
| 81 | * @retval true For done. | |
| 82 | * @retval false For already noted. | |
| 83 | */ | |
| 84 | bool | |
| 85 | trig_note_aw(struct pkginfo *pend, struct pkginfo *aw) | |
| 86 | { | |
| 87 | struct trigaw *ta; | |
| 88 | ||
| 89 | /* We search through aw's list because that's probably shorter. */ | |
| 90 | for (ta = aw->trigaw.head; ta; ta = ta->sameaw.next) | |
| 91 | if (ta->pend == pend) | |
| 92 | return false; | |
| 93 | ||
| 94 | ta = nfmalloc(sizeof(*ta)); | |
| 95 | ta->aw = aw; | |
| 96 | ta->pend = pend; | |
| 97 | ta->samepend_next = pend->othertrigaw_head; | |
| 98 | pend->othertrigaw_head = ta; | |
| 99 | LIST_LINK_TAIL_PART(aw->trigaw, ta, sameaw); | |
| 100 | ||
| 101 | return true; | |
| 102 | } | |
| 103 | ||
| 104 | static struct pkg_list *trig_awaited_pend_head; | |
| 105 | ||
| 106 | void | |
| 107 | trig_awaited_pend_enqueue(struct pkginfo *pend) | |
| 108 | { | |
| 109 | struct pkg_list *tp; | |
| 110 | ||
| 111 | for (tp = trig_awaited_pend_head; tp; tp = tp->next) | |
| 112 | if (tp->pkg == pend) | |
| 113 | return; | |
| 114 | ||
| 115 | pkg_list_prepend(&trig_awaited_pend_head, pend); | |
| 116 | } | |
| 117 | ||
| 118 | void | |
| 119 | trig_awaited_pend_foreach(trig_awaited_pend_foreach_func *func) | |
| 120 | { | |
| 121 | struct pkg_list *tp; | |
| 122 | ||
| 123 | for (tp = trig_awaited_pend_head; tp; tp = tp->next) | |
| 124 | if (!tp->pkg->trigpend_head) | |
| 125 | func(tp->pkg); | |
| 126 | } | |
| 127 | ||
| 128 | void | |
| 129 | trig_awaited_pend_free(void) | |
| 130 | { | |
| 131 | pkg_list_free(trig_awaited_pend_head); | |
| 132 | trig_awaited_pend_head = NULL; | |
| 133 | } |