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apk-tools
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db: improve and unify fdb error messages

cute-signatures
Timo Teräs 2014-10-13 13:21:13 +03:00
parent 82713dc389
commit bb1ac2557d
1 changed files with 13 additions and 27 deletions
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40
src/database.c
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@ -743,9 +743,11 @@ int apk_db_index_read(struct apk_database *db, struct apk_bstream *bs, int repo)
mode_t mode;
uid_t uid;
gid_t gid;
int field, r;
int field, r, lineno = 0;
while (!APK_BLOB_IS_NULL(l = bs->read(bs, token))) {
lineno++;
if (l.len < 2 || l.ptr[1] != ':') {
if (pkg == NULL)
continue;
@ -783,9 +785,8 @@ int apk_db_index_read(struct apk_database *db, struct apk_bstream *bs, int repo)
/* Standard index line? */
r = apk_pkg_add_info(db, pkg, field, l);
if (r == 0) {
if (r == 0)
continue;
}
if (r == 1 && repo == -1 && ipkg == NULL) {
/* Instert to installed database; this needs to
* happen after package name has been read, but
@ -799,23 +800,14 @@ int apk_db_index_read(struct apk_database *db, struct apk_bstream *bs, int repo)
/* Check FDB special entries */
switch (field) {
case 'F':
if (pkg->name == NULL) {
apk_error("FDB directory entry before package entry");
return -1;
}
if (pkg->name == NULL) goto bad_entry;
diri = apk_db_diri_new(db, pkg, l, &diri_node);
file_diri_node = &diri->owned_files.first;
break;
case 'a':
if (file == NULL) {
apk_error("FDB file attribute metadata entry before file entry");
return -1;
}
if (file == NULL) goto bad_entry;
case 'M':
if (diri == NULL) {
apk_error("FDB directory metadata entry before directory entry");
return -1;
}
if (diri == NULL) goto bad_entry;
uid = apk_blob_pull_uint(&l, 10);
apk_blob_pull_char(&l, ':');
gid = apk_blob_pull_uint(&l, 10);
@ -827,17 +819,11 @@ int apk_db_index_read(struct apk_database *db, struct apk_bstream *bs, int repo)
apk_db_file_set(file, mode, uid, gid);
break;
case 'R':
if (diri == NULL) {
apk_error("FDB file entry before directory entry");
return -1;
}
if (diri == NULL) goto bad_entry;
file = apk_db_file_get(db, diri, l, &file_diri_node);
break;
case 'Z':
if (file == NULL) {
apk_error("FDB checksum entry before file entry");
return -1;
}
if (file == NULL) goto bad_entry;
apk_blob_pull_csum(&l, &file->csum);
break;
case 'r':
@ -868,16 +854,16 @@ int apk_db_index_read(struct apk_database *db, struct apk_bstream *bs, int repo)
pkg->filename = NULL;
continue;
}
if (APK_BLOB_IS_NULL(l)) {
apk_error("FDB format error in entry '%c'", field);
return -1;
}
if (APK_BLOB_IS_NULL(l)) goto bad_entry;
}
return 0;
old_apk_tools:
/* Installed db should not have unsupported fields */
apk_error("This apk-tools is too old to handle installed packages");
return -1;
bad_entry:
apk_error("FDB format error (line %d, entry '%c')", lineno, field);
return -1;
}
static int apk_db_write_fdb(struct apk_database *db, struct apk_ostream *os)