static int
write_macdef (cpp_reader *pfile, cpp_hashnode *hn, void *file_p)
{
FILE *f = (FILE *) file_p;
switch (hn->type)
{
case NT_VOID:
if (! (hn->flags & NODE_POISONED))
return 1;
case NT_MACRO:
if ((hn->flags & NODE_BUILTIN)
&& (!pfile->cb.user_builtin_macro
|| !pfile->cb.user_builtin_macro (pfile, hn)))
return 1;
{
struct macrodef_struct s;
const unsigned char *defn;
s.name_length = NODE_LEN (hn);
s.flags = hn->flags & NODE_POISONED;
if (hn->type == NT_MACRO)
{
defn = cpp_macro_definition (pfile, hn);
s.definition_length = ustrlen (defn);
}
else
{
defn = NODE_NAME (hn);
s.definition_length = s.name_length;
}
if (fwrite (&s, sizeof (s), 1, f) != 1
|| fwrite (defn, 1, s.definition_length, f) != s.definition_length)
{
cpp_errno (pfile, CPP_DL_ERROR,
"while writing precompiled header");
return 0;
}
}
return 1;
case NT_ASSERTION:
/* Not currently implemented. */
return 1;
default:
abort ();
}
}
static struct cpp_dir *
remove_duplicates (cpp_reader *pfile, struct cpp_dir *head,
struct cpp_dir *system, struct cpp_dir *join,
int verbose)
{
struct cpp_dir **pcur, *tmp, *cur;
struct stat st;
for (pcur = &head; *pcur; )
{
int reason = REASON_QUIET;
cur = *pcur;
if (stat (cur->name, &st))
{
/* Dirs that don't exist are silently ignored, unless verbose. */
if (errno != ENOENT)
cpp_errno (pfile, CPP_DL_ERROR, cur->name);
else
{
/* If -Wmissing-include-dirs is given, warn. */
cpp_options *opts = cpp_get_options (pfile);
if (opts->warn_missing_include_dirs && cur->user_supplied_p)
cpp_errno (pfile, CPP_DL_WARNING, cur->name);
reason = REASON_NOENT;
}
}
else if (!S_ISDIR (st.st_mode))
/* APPLE LOCAL begin headermaps 3871393 */
{
/* Only check for headermap if this is a regular file and if there
is no path-constructor function in CUR. */
if (S_ISREG (st.st_mode) && !cur->construct)
{
/* Try to load the file as a headermap. We will get back NULL
if this fails, and there won't be any warnings/errors emitted
unless the load function is fairly sure it's dealing with a
headermap file that is malformed. */
struct hmap_header_map *header_map;
header_map = hmap_load_header_map (cur->name);
if (header_map)
{
/* Successfully loaded a headermap. Store a pointer to it
and set up the construct function pointer in cur. */
cur->header_map = header_map;
cur->construct = hmap_construct_pathname;
pcur = &cur->next;
continue;
}
}
/* If we fall through to here, it's some other kind of file. */
cpp_error_with_line (pfile, CPP_DL_ERROR, 0, 0,
"%s: not a directory", cur->name);
}
/* APPLE LOCAL end headermaps 3871393 */
else
{
INO_T_COPY (cur->ino, st.st_ino);
cur->dev = st.st_dev;
/* Remove this one if it is in the system chain. */
reason = REASON_DUP_SYS;
for (tmp = system; tmp; tmp = tmp->next)
if (INO_T_EQ (tmp->ino, cur->ino) && tmp->dev == cur->dev
&& cur->construct == tmp->construct)
break;
if (!tmp)
{
/* Duplicate of something earlier in the same chain? */
reason = REASON_DUP;
for (tmp = head; tmp != cur; tmp = tmp->next)
if (INO_T_EQ (cur->ino, tmp->ino) && cur->dev == tmp->dev
&& cur->construct == tmp->construct)
break;
if (tmp == cur
/* Last in the chain and duplicate of JOIN? */
&& !(cur->next == NULL && join
&& INO_T_EQ (cur->ino, join->ino)
&& cur->dev == join->dev
&& cur->construct == join->construct))
{
/* Unique, so keep this directory. */
pcur = &cur->next;
continue;
}
}
}
/* Remove this entry from the chain. */
*pcur = cur->next;
free_path (cur, verbose ? reason: REASON_QUIET);
}
*pcur = join;
return head;
}
