/*
* Handle one file or directory.
*/
static int apprentice_1(RMagic *ms, const char *fn, int action, struct mlist *mlist) {
struct r_magic *magic = NULL;
ut32 nmagic = 0;
struct mlist *ml;
int rv = -1;
int mapped;
if (!ms) return -1;
ms->haderr = 0;
if (magicsize != FILE_MAGICSIZE) {
file_error(ms, 0, "magic element size %lu != %lu",
(unsigned long)(size_t)sizeof (*magic),
(unsigned long)FILE_MAGICSIZE);
return -1;
}
ms->file = fn; // fix use of ms->file before being initialized
if (action == FILE_COMPILE) {
rv = apprentice_load (ms, &magic, &nmagic, fn, action);
if (rv != 0)
return -1;
rv = apprentice_compile (ms, &magic, &nmagic, fn);
free (magic);
return rv;
}
if ((rv = apprentice_map (ms, &magic, &nmagic, fn)) == -1) {
//if (ms->flags & R_MAGIC_CHECK)
// file_magwarn(ms, "using regular magic file `%s'", fn);
rv = apprentice_load (ms, &magic, &nmagic, fn, action);
if (rv != 0)
return -1;
}
mapped = rv;
if (magic == NULL) {
file_delmagic (magic, mapped, nmagic);
return -1;
}
if ((ml = malloc (sizeof (*ml))) == NULL) {
file_delmagic (magic, mapped, nmagic);
file_oomem (ms, sizeof(*ml));
free (magic);
return -1;
}
ml->magic = magic;
ml->nmagic = nmagic;
ml->mapped = mapped;
mlist->prev->next = ml;
ml->prev = mlist->prev;
ml->next = mlist;
mlist->prev = ml;
return 0;
}
static void free_mlist(struct mlist *mlist) {
struct mlist *ml;
if (!mlist)
return;
for (ml = mlist->next; ml != mlist;) {
struct mlist *next = ml->next;
struct r_magic *mg = ml->magic;
file_delmagic (mg, ml->mapped, ml->nmagic);
free (ml);
ml = next;
}
free (ml);
}