void
pkg_spec_iter_init(struct pkg_spec *ps)
{
if (ps->name_is_pattern)
ps->pkg_iter = pkg_db_iter_new();
else
ps->pkg_next = &pkg_db_find_set(ps->name)->pkg;
}
const char *
pkg_spec_is_illegal(struct pkg_spec *ps)
{
static char msg[1024];
const char *emsg;
if (!ps->name_is_pattern &&
(emsg = pkg_name_is_illegal(ps->name))) {
const char *arch_sep;
/* Only check for DPKG_ARCH_NONE, because for everything else
* we want to see the passed package specification, even if
* the architecture is empty. */
if (ps->arch->type == DPKG_ARCH_NONE)
arch_sep = "";
else
arch_sep = ":";
snprintf(msg, sizeof(msg),
_("illegal package name in specifier '%s%s%s': %s"),
ps->name, arch_sep, ps->arch->name, emsg);
return msg;
}
if ((!ps->arch_is_pattern && ps->arch->type == DPKG_ARCH_ILLEGAL) ||
ps->arch->type == DPKG_ARCH_EMPTY) {
emsg = dpkg_arch_name_is_illegal(ps->arch->name);
snprintf(msg, sizeof(msg),
_("illegal architecture name in specifier '%s:%s': %s"),
ps->name, ps->arch->name, emsg);
return msg;
}
/* If we have been requested a single instance, check that the
* package does not contain other instances. */
if (!ps->arch_is_pattern && ps->flags & PKG_SPEC_ARCH_SINGLE) {
struct pkgset *set;
set = pkg_db_find_set(ps->name);
/* Single instancing only applies with no architecture. */
if (ps->arch->type == DPKG_ARCH_NONE &&
pkgset_installed_instances(set) > 1) {
snprintf(msg, sizeof(msg),
_("ambiguous package name '%s' with more "
"than one installed instance"), ps->name);
return msg;
}
}
return NULL;
}
const char *
pkg_spec_is_illegal(struct pkg_spec *ps)
{
static char msg[1024];
const char *emsg;
if (!ps->name_is_pattern &&
(emsg = pkg_name_is_illegal(ps->name))) {
snprintf(msg, sizeof(msg),
_("illegal package name in specifier '%s%s%s': %s"),
ps->name,
(ps->arch->type != DPKG_ARCH_NONE) ? ":" : "",
ps->arch->name, emsg);
return msg;
}
if ((!ps->arch_is_pattern && ps->arch->type == DPKG_ARCH_ILLEGAL) ||
ps->arch->type == DPKG_ARCH_EMPTY) {
emsg = dpkg_arch_name_is_illegal(ps->arch->name);
snprintf(msg, sizeof(msg),
_("illegal architecture name in specifier '%s:%s': %s"),
ps->name, ps->arch->name, emsg);
return msg;
}
/* If we have been requested a single instance, check that the
* package does not contain other instances. */
if (!ps->arch_is_pattern && ps->flags & PKG_SPEC_ARCH_SINGLE) {
struct pkgset *set;
set = pkg_db_find_set(ps->name);
/* Single instancing only applies with no architecture. */
if (ps->arch->type == DPKG_ARCH_NONE &&
pkgset_installed_instances(set) > 1) {
snprintf(msg, sizeof(msg),
_("ambiguous package name '%s' with more "
"than one installed instance"), ps->name);
return msg;
}
}
return NULL;
}
void
ensure_diversions(void)
{
struct stat stab1, stab2;
char linebuf[MAXDIVERTFILENAME];
FILE *file;
struct diversion *ov, *oicontest, *oialtname;
if (diversionsname != NULL)
free(diversionsname);
diversionsname = dpkg_db_get_path(DIVERSIONSFILE);
onerr_abort++;
file = fopen(diversionsname, "r");
if (!file) {
if (errno != ENOENT)
ohshite(_("failed to open diversions file"));
if (!diversionsfile) {
onerr_abort--;
return;
}
} else if (diversionsfile) {
if (fstat(fileno(diversionsfile), &stab1))
ohshite(_("failed to fstat previous diversions file"));
if (fstat(fileno(file), &stab2))
ohshite(_("failed to fstat diversions file"));
if (stab1.st_dev == stab2.st_dev &&
stab1.st_ino == stab2.st_ino) {
fclose(file);
onerr_abort--;
return;
}
}
if (diversionsfile)
fclose(diversionsfile);
diversionsfile = file;
setcloexec(fileno(diversionsfile), diversionsname);
for (ov = diversions; ov; ov = ov->next) {
ov->useinstead->divert->camefrom->divert = NULL;
ov->useinstead->divert = NULL;
}
diversions = NULL;
if (!file) {
onerr_abort--;
return;
}
while (fgets_checked(linebuf, sizeof(linebuf), file, diversionsname) >= 0) {
oicontest = nfmalloc(sizeof(struct diversion));
oialtname = nfmalloc(sizeof(struct diversion));
oialtname->camefrom = findnamenode(linebuf, 0);
oialtname->useinstead = NULL;
fgets_must(linebuf, sizeof(linebuf), file, diversionsname);
oicontest->useinstead = findnamenode(linebuf, 0);
oicontest->camefrom = NULL;
fgets_must(linebuf, sizeof(linebuf), file, diversionsname);
oicontest->pkgset = strcmp(linebuf, ":") ?
pkg_db_find_set(linebuf) : NULL;
oialtname->pkgset = oicontest->pkgset;
if (oialtname->camefrom->divert ||
oicontest->useinstead->divert)
ohshit(_("conflicting diversions involving `%.250s' or `%.250s'"),
oialtname->camefrom->name, oicontest->useinstead->name);
oialtname->camefrom->divert = oicontest;
oicontest->useinstead->divert = oialtname;
oicontest->next = diversions;
diversions = oicontest;
}
onerr_abort--;
}