type
stringclasses
5 values
content
stringlengths
9
163k
functions
void _cpp_init_lexer (void) { #ifdef HAVE_init_vectorized_lexer init_vectorized_lexer (); #endif }
functions
void _cpp_clean_line (cpp_reader *pfile) { cpp_buffer *buffer; const uchar *s; uchar c, *d, *p; buffer = pfile->buffer; buffer->cur_note = buffer->notes_used = 0; buffer->cur = buffer->line_base = buffer->next_line; buffer->need_line = false; s = buffer->next_line; if (!buffer->from_stage3) { ...
functions
else if (c == '?' && s[1] == '?' && _cpp_trigraph_map[s[2]]) { /* Add a note regardless, for the benefit of -Wtrigraphs. */ add_line_note (buffer, d, s[2]); if (CPP_OPTION (pfile, trigraphs)) { *d = _cpp_trigraph_map[s[2]]; s += 2; }
functions
bool warn_in_comment (cpp_reader *pfile, _cpp_line_note *note) { const uchar *p; /* Within comments we don't warn about trigraphs, unless the trigraph forms an escaped newline, as that may change behavior. */ if (note->type != '/') return false; /* If -trigraphs, then this was an escaped newlin...
functions
void _cpp_process_line_notes (cpp_reader *pfile, int in_comment) { cpp_buffer *buffer = pfile->buffer; for (;;) { _cpp_line_note *note = &buffer->notes[buffer->cur_note]; unsigned int col; if (note->pos > buffer->cur) break; buffer->cur_note++; col = CPP_BUF_COLUMN (buffer, not...
functions
else if (_cpp_trigraph_map[note->type]) { if (CPP_OPTION (pfile, warn_trigraphs) && (!in_comment || warn_in_comment (pfile, note))) { if (CPP_OPTION (pfile, trigraphs)) cpp_warning_with_line (pfile, CPP_W_TRIGRAPHS, pfile->line_table->highest_line, col, ...
functions
bool _cpp_skip_block_comment (cpp_reader *pfile) { cpp_buffer *buffer = pfile->buffer; const uchar *cur = buffer->cur; uchar c; cur++; if (*cur == '/') cur++; for (;;) { /* People like decorating comments with '*', so check for '/' instead for efficiency. */ c = *cur++; if (c...
functions
else if (c == '\n') { unsigned int cols; buffer->cur = cur - 1; _cpp_process_line_notes (pfile, true); if (buffer->next_line >= buffer->rlimit) return true; _cpp_clean_line (pfile); cols = buffer->next_line - buffer->line_base; CPP_INCREMENT_LINE (pfile, cols); cur = buffer->cur; }
functions
int skip_line_comment (cpp_reader *pfile) { cpp_buffer *buffer = pfile->buffer; source_location orig_line = pfile->line_table->highest_line; while (*buffer->cur != '\n') buffer->cur++; _cpp_process_line_notes (pfile, true); return orig_line != pfile->line_table->highest_line; }
functions
void skip_whitespace (cpp_reader *pfile, cppchar_t c) { cpp_buffer *buffer = pfile->buffer; bool saw_NUL = false; do { /* Horizontal space always OK. */ if (c == ' ' || c == '\t') ; /* Just \f \v or \0 left. */ else if (c == '\0') saw_NUL = true; else if (pfile->state.in_dir...
functions
int name_p (cpp_reader *pfile, const cpp_string *string) { unsigned int i; for (i = 0; i < string->len; i++) if (!is_idchar (string->text[i])) return 0; return 1; }
functions
void warn_about_normalization (cpp_reader *pfile, const cpp_token *token, const struct normalize_state *s) { if (CPP_OPTION (pfile, warn_normalize) < NORMALIZE_STATE_RESULT (s) && !pfile->state.skipping) { /* Make sure that the token is printed using UCNs, even if we'd otherwise happily p...
functions
bool forms_identifier_p (cpp_reader *pfile, int first, struct normalize_state *state) { cpp_buffer *buffer = pfile->buffer; if (*buffer->cur == '$') { if (!CPP_OPTION (pfile, dollars_in_ident)) return false; buffer->cur++; if (CPP_OPTION (pfile, warn_dollars) && !pfile->state.skipping...
functions
void lex_number (cpp_reader *pfile, cpp_string *number, struct normalize_state *nst) { const uchar *cur; const uchar *base; uchar *dest; base = pfile->buffer->cur - 1; do { cur = pfile->buffer->cur; /* N.B. ISIDNUM does not include $. */ while (ISIDNUM (*cur) || *cur == '.' || DI...
functions
void create_literal (cpp_reader *pfile, cpp_token *token, const uchar *base, unsigned int len, enum cpp_ttype type) { uchar *dest = _cpp_unaligned_alloc (pfile, len + 1); memcpy (dest, base, len); dest[len] = '\0'; token->type = type; token->val.str.len = len; token->val.str.text = dest; }
functions
void bufring_append (cpp_reader *pfile, const uchar *base, size_t len, _cpp_buff **first_buff_p, _cpp_buff **last_buff_p) { _cpp_buff *first_buff = *first_buff_p; _cpp_buff *last_buff = *last_buff_p; if (first_buff == NULL) first_buff = last_buff = _cpp_get_buff (pfile, len); else if (len > BUFF_ROOM (la...
functions
bool is_macro(cpp_reader *pfile, const uchar *base) { const uchar *cur = base; if (! ISIDST (*cur)) return false; unsigned int hash = HT_HASHSTEP (0, *cur); ++cur; while (ISIDNUM (*cur)) { hash = HT_HASHSTEP (hash, *cur); ++cur; }
functions
void lex_raw_string (cpp_reader *pfile, cpp_token *token, const uchar *base, const uchar *cur) { uchar raw_prefix[17]; uchar temp_buffer[18]; const uchar *orig_base; unsigned int raw_prefix_len = 0, raw_suffix_len = 0; enum raw_str_phase { RAW_STR_PREFIX, RAW_STR, RAW_STR_SUFFIX }
functions
else if (phase == RAW_STR_SUFFIX) { while (raw_suffix_len <= raw_prefix_len && raw_suffix_len < temp_buffer_len && temp_buffer[raw_suffix_len] == raw_prefix[raw_suffix_len]) raw_suffix_len++; if (raw_suffix_len > raw_prefix_len) break; if (raw_suffix_len == temp_buffer_len) continue; p...
functions
else if (c == '\n') { if (pfile->state.in_directive || (pfile->state.parsing_args && pfile->buffer->next_line >= pfile->buffer->rlimit)) { cur--; type = CPP_OTHER; cpp_error_with_line (pfile, CPP_DL_ERROR, token->src_loc, 0, "unterminated raw string"); break; ...
functions
void lex_string (cpp_reader *pfile, cpp_token *token, const uchar *base) { bool saw_NUL = false; const uchar *cur; cppchar_t terminator; enum cpp_ttype type; cur = base; terminator = *cur++; if (terminator == 'L' || terminator == 'U') terminator = *cur++; else if (terminator == 'u') { ter...
functions
else if (c == '\n') { cur--; /* Unmatched quotes always yield undefined behavior, but greedy lexing means that what appears to be an unterminated header name may actually be a legitimate sequence of tokens. */ if (terminator == '>') { token->type = CPP_LESS; return; }
functions
void store_comment (cpp_reader *pfile, cpp_token *token) { int len; if (pfile->comments.allocated == 0) { pfile->comments.allocated = 256; pfile->comments.entries = (cpp_comment *) xmalloc (pfile->comments.allocated * sizeof (cpp_comment)); }
functions
void save_comment (cpp_reader *pfile, cpp_token *token, const unsigned char *from, cppchar_t type) { unsigned char *buffer; unsigned int len, clen, i; len = pfile->buffer->cur - from + 1; /* + 1 for the initial '/'. */ /* C++ comments probably (not definitely) have moved past a new line, which we...
functions
bool fallthrough_comment_p (cpp_reader *pfile, const unsigned char *comment_start) { const unsigned char *from = comment_start + 1; switch (CPP_OPTION (pfile, cpp_warn_implicit_fallthrough)) { /* For both -Wimplicit-fallthrough=0 and -Wimplicit-fallthrough=5 we don't recognize any comments. The latter...
functions
else if (*from == 'l') { size_t len = sizeof "int -fallthrough" - 1; if ((size_t) (pfile->buffer->cur - from - 1) < len) return false; if (memcmp (from + 1, "int -fallthrough", len)) return false; from += 1 + len; while (*from == ' ' || *from == '\t') from++; }
functions
else if (f == 'I' || f == 'i') { if ((size_t) (pfile->buffer->cur - from) < sizeof "intentional fallthru" - 1) return false; if (f == 'I' && memcmp (from + 1, "NTENTIONAL", sizeof "NTENTIONAL" - 1) == 0) all_upper = true; else if (memcmp (from + 1, "ntentional", sizeof "ntentional...
functions
else if (all_upper) { if (memcmp (from, "LY F", sizeof "LY F" - 1)) return false; from += sizeof "LY " - 1; }
functions
void _cpp_init_tokenrun (tokenrun *run, unsigned int count) { run->base = XNEWVEC (cpp_token, count); run->limit = run->base + count; run->next = NULL; }
functions
int _cpp_remaining_tokens_num_in_context (cpp_context *context) { if (context->tokens_kind == TOKENS_KIND_DIRECT) return (LAST (context).token - FIRST (context).token); else if (context->tokens_kind == TOKENS_KIND_INDIRECT || context->tokens_kind == TOKENS_KIND_EXTENDED) return (LAST (context).ptoken - ...
functions
bool _cpp_get_fresh_line (cpp_reader *pfile) { int return_at_eof; /* We can't get a new line until we leave the current directive. */ if (pfile->state.in_directive) return false; for (;;) { cpp_buffer *buffer = pfile->buffer; if (!buffer->need_line) return true; if (buffer->next_...
functions
else if (! buffer->warned_cplusplus_comments) { cpp_error (pfile, CPP_DL_ERROR, "C++ style comments are not allowed in ISO C90"); cpp_error (pfile, CPP_DL_ERROR, "(this will be reported only once per input " "file)"); buffer->warned_cplusplus_comments = 1; }
functions
else if (c == '=') { buffer->cur++; result->type = CPP_DIV_EQ; break; }
functions
else if (*buffer->cur == '<') { buffer->cur++; IF_NEXT_IS ('=', CPP_LSHIFT_EQ, CPP_LSHIFT); }
functions
else if (*buffer->cur == '%') { buffer->cur++; result->flags |= DIGRAPH; result->type = CPP_OPEN_BRACE; }
functions
else if (*buffer->cur == '>') { buffer->cur++; IF_NEXT_IS ('=', CPP_RSHIFT_EQ, CPP_RSHIFT); }
functions
else if (*buffer->cur == '>') { buffer->cur++; result->flags |= DIGRAPH; result->type = CPP_CLOSE_BRACE; }
functions
int cpp_token_len (const cpp_token *token) { unsigned int len; switch (TOKEN_SPELL (token)) { default: len = 6; break; case SPELL_LITERAL: len = token->val.str.len; break; case SPELL_IDENT: len = NODE_LEN (token->val.node.node) * 10; break; }
functions
size_t utf8_to_ucn (unsigned char *buffer, const unsigned char *name) { int j; int ucn_len = 0; int ucn_len_c; unsigned t; unsigned long utf32; /* Compute the length of the UTF-8 sequence. */ for (t = *name; t & 0x80; t <<= 1) ucn_len++; utf32 = *name & (0x7F >> ucn_len); for (ucn_len_c = 1...
functions
void cpp_output_token (const cpp_token *token, FILE *fp) { switch (TOKEN_SPELL (token)) { case SPELL_OPERATOR: { const unsigned char *spelling; int c; if (token->flags & DIGRAPH) spelling = cpp_digraph2name (token->type); else if (token->flags & NAMED_OP) goto spell_ident; else spelling =...
functions
int _cpp_equiv_tokens (const cpp_token *a, const cpp_token *b) { if (a->type == b->type && a->flags == b->flags) switch (TOKEN_SPELL (a)) { default: /* Keep compiler happy. */ case SPELL_OPERATOR: /* token_no is used to track where multiple consecutive ## tokens were originally located. ...
functions
int cpp_avoid_paste (cpp_reader *pfile, const cpp_token *token1, const cpp_token *token2) { enum cpp_ttype a = token1->type, b = token2->type; cppchar_t c; if (token1->flags & NAMED_OP) a = CPP_NAME; if (token2->flags & NAMED_OP) b = CPP_NAME; c = EOF; if (token2->flags & DIGRAPH) c = digra...
functions
void cpp_output_line (cpp_reader *pfile, FILE *fp) { const cpp_token *token; token = cpp_get_token (pfile); while (token->type != CPP_EOF) { cpp_output_token (token, fp); token = cpp_get_token (pfile); if (token->flags & PREV_WHITE) putc (' ', fp); }
functions
void _cpp_release_buff (cpp_reader *pfile, _cpp_buff *buff) { _cpp_buff *end = buff; while (end->next) end = end->next; end->next = pfile->free_buffs; pfile->free_buffs = buff; }
functions
void _cpp_extend_buff (cpp_reader *pfile, _cpp_buff **pbuff, size_t min_extra) { _cpp_buff *new_buff, *old_buff = *pbuff; size_t size = EXTENDED_BUFF_SIZE (old_buff, min_extra); new_buff = _cpp_get_buff (pfile, size); memcpy (new_buff->base, old_buff->cur, BUFF_ROOM (old_buff)); new_buff->next = old_buff; ...
functions
void _cpp_free_buff (_cpp_buff *buff) { _cpp_buff *next; for (; buff; buff = next) { next = buff->next; #ifdef ENABLE_VALGRIND_ANNOTATIONS free (buff); #else free (buff->base); #endif }
functions
cpp_token_fld_kind cpp_token_val_index (const cpp_token *tok) { switch (TOKEN_SPELL (tok)) { case SPELL_IDENT: return CPP_TOKEN_FLD_NODE; case SPELL_LITERAL: return CPP_TOKEN_FLD_STR; case SPELL_OPERATOR: if (tok->type == CPP_PASTE) return CPP_TOKEN_FLD_TOKEN_NO; else return ...
functions
void cpp_force_token_locations (cpp_reader *r, source_location *p) { r->forced_token_location_p = p; }
functions
void cpp_stop_forcing_token_locations (cpp_reader *r) { r->forced_token_location_p = NULL; }
includes
#include <linux/fs.h>
includes
#include <linux/module.h>
includes
#include <linux/mm.h>
includes
#include <linux/pagemap.h>
includes
#include <linux/statfs.h>
includes
#include <linux/slab.h>
includes
#include <linux/seq_file.h>
includes
#include <linux/mount.h>
includes
#include <linux/namei.h>
defines
#define FILE_HOSTFS_I(file) HOSTFS_I((file)->f_path.dentry->d_inode)
defines
#define HOSTFS_SUPER_MAGIC 0x00c0ffee
structs
struct hostfs_inode_info { int fd; fmode_t mode; struct inode vfs_inode; };
functions
int hostfs_d_delete(const struct dentry *dentry) { return 1; }
functions
__init hostfs_args(char *options, int *add) { char *ptr; ptr = strchr(options, ','); if (ptr != NULL) *ptr++ = '\0'; if (*options != '\0') root_ino = options; options = ptr; while (options) { ptr = strchr(options, ','); if (ptr != NULL) *ptr++ = '\0'; if (*options != '\0') { if (!strcmp(options,...
functions
int hostfs_statfs(struct dentry *dentry, struct kstatfs *sf) { /* * do_statfs uses struct statfs64 internally, but the linux kernel * struct statfs still has 32-bit versions for most of these fields, * so we convert them here */ int err; long long f_blocks; long long f_bfree; long long f_bavail; long long...
functions
void hostfs_evict_inode(struct inode *inode) { truncate_inode_pages(&inode->i_data, 0); clear_inode(inode); if (HOSTFS_I(inode)->fd != -1) { close_file(&HOSTFS_I(inode)->fd); HOSTFS_I(inode)->fd = -1; }
functions
void hostfs_i_callback(struct rcu_head *head) { struct inode *inode = container_of(head, struct inode, i_rcu); kfree(HOSTFS_I(inode)); }
functions
void hostfs_destroy_inode(struct inode *inode) { call_rcu(&inode->i_rcu, hostfs_i_callback); }
functions
int hostfs_show_options(struct seq_file *seq, struct dentry *root) { const char *root_path = root->d_sb->s_fs_info; size_t offset = strlen(root_ino) + 1; if (strlen(root_path) > offset) seq_printf(seq, ",%s", root_path + offset); return 0; }
functions
int hostfs_readdir(struct file *file, void *ent, filldir_t filldir) { void *dir; char *name; unsigned long long next, ino; int error, len; unsigned int type; name = dentry_name(file->f_path.dentry); if (name == NULL) return -ENOMEM; dir = open_dir(name, &error); __putname(name); if (dir == NULL) return -...
functions
int hostfs_file_open(struct inode *ino, struct file *file) { static DEFINE_MUTEX(open_mutex); char *name; fmode_t mode = 0; int err; int r = 0, w = 0, fd; mode = file->f_mode & (FMODE_READ | FMODE_WRITE); if ((mode & HOSTFS_I(ino)->mode) == mode) return 0; mode |= HOSTFS_I(ino)->mode; retry: if (mode & FM...
functions
int hostfs_fsync(struct file *file, loff_t start, loff_t end, int datasync) { struct inode *inode = file->f_mapping->host; int ret; ret = filemap_write_and_wait_range(inode->i_mapping, start, end); if (ret) return ret; mutex_lock(&inode->i_mutex); ret = fsync_file(HOSTFS_I(inode)->fd, datasync); mutex_unlock...
functions
int hostfs_writepage(struct page *page, struct writeback_control *wbc) { struct address_space *mapping = page->mapping; struct inode *inode = mapping->host; char *buffer; unsigned long long base; int count = PAGE_CACHE_SIZE; int end_index = inode->i_size >> PAGE_CACHE_SHIFT; int err; if (page->index >= end_ind...
functions
int hostfs_readpage(struct file *file, struct page *page) { char *buffer; long long start; int err = 0; start = (long long) page->index << PAGE_CACHE_SHIFT; buffer = kmap(page); err = read_file(FILE_HOSTFS_I(file)->fd, &start, buffer, PAGE_CACHE_SIZE); if (err < 0) goto out; memset(&buffer[err], 0, PAGE_...
functions
int hostfs_write_begin(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata) { pgoff_t index = pos >> PAGE_CACHE_SHIFT; *pagep = grab_cache_page_write_begin(mapping, index, flags); if (!*pagep) return -ENOMEM; return 0; }
functions
int hostfs_write_end(struct file *file, struct address_space *mapping, loff_t pos, unsigned len, unsigned copied, struct page *page, void *fsdata) { struct inode *inode = mapping->host; void *buffer; unsigned from = pos & (PAGE_CACHE_SIZE - 1); int err; buffer = kmap(page); err = write_file(FILE_HOSTFS_I(f...
functions
int read_name(struct inode *ino, char *name) { dev_t rdev; struct hostfs_stat st; int err = stat_file(name, &st, -1); if (err) return err; /* Reencode maj and min with the kernel encoding.*/ rdev = MKDEV(st.maj, st.min); switch (st.mode & S_IFMT) { case S_IFLNK: ino->i_op = &hostfs_link_iops; break; ca...
functions
int hostfs_create(struct inode *dir, struct dentry *dentry, umode_t mode, bool excl) { struct inode *inode; char *name; int error, fd; inode = hostfs_iget(dir->i_sb); if (IS_ERR(inode)) { error = PTR_ERR(inode); goto out; }
functions
int hostfs_link(struct dentry *to, struct inode *ino, struct dentry *from) { char *from_name, *to_name; int err; if ((from_name = dentry_name(from)) == NULL) return -ENOMEM; to_name = dentry_name(to); if (to_name == NULL) { __putname(from_name); return -ENOMEM; }
functions
int hostfs_unlink(struct inode *ino, struct dentry *dentry) { char *file; int err; if (append) return -EPERM; if ((file = dentry_name(dentry)) == NULL) return -ENOMEM; err = unlink_file(file); __putname(file); return err; }
functions
int hostfs_symlink(struct inode *ino, struct dentry *dentry, const char *to) { char *file; int err; if ((file = dentry_name(dentry)) == NULL) return -ENOMEM; err = make_symlink(file, to); __putname(file); return err; }
functions
int hostfs_mkdir(struct inode *ino, struct dentry *dentry, umode_t mode) { char *file; int err; if ((file = dentry_name(dentry)) == NULL) return -ENOMEM; err = do_mkdir(file, mode); __putname(file); return err; }
functions
int hostfs_rmdir(struct inode *ino, struct dentry *dentry) { char *file; int err; if ((file = dentry_name(dentry)) == NULL) return -ENOMEM; err = do_rmdir(file); __putname(file); return err; }
functions
int hostfs_mknod(struct inode *dir, struct dentry *dentry, umode_t mode, dev_t dev) { struct inode *inode; char *name; int err; inode = hostfs_iget(dir->i_sb); if (IS_ERR(inode)) { err = PTR_ERR(inode); goto out; }
functions
int hostfs_rename(struct inode *from_ino, struct dentry *from, struct inode *to_ino, struct dentry *to) { char *from_name, *to_name; int err; if ((from_name = dentry_name(from)) == NULL) return -ENOMEM; if ((to_name = dentry_name(to)) == NULL) { __putname(from_name); return -ENOMEM; }
functions
int hostfs_permission(struct inode *ino, int desired) { char *name; int r = 0, w = 0, x = 0, err; if (desired & MAY_NOT_BLOCK) return -ECHILD; if (desired & MAY_READ) r = 1; if (desired & MAY_WRITE) w = 1; if (desired & MAY_EXEC) x = 1; name = inode_name(ino); if (name == NULL) return -ENOMEM; if (S_ISC...
functions
int hostfs_setattr(struct dentry *dentry, struct iattr *attr) { struct inode *inode = dentry->d_inode; struct hostfs_iattr attrs; char *name; int err; int fd = HOSTFS_I(inode)->fd; err = inode_change_ok(inode, attr); if (err) return err; if (append) attr->ia_valid &= ~ATTR_SIZE; attrs.ia_valid = 0; if...
functions
void hostfs_put_link(struct dentry *dentry, struct nameidata *nd, void *cookie) { char *s = nd_get_link(nd); if (!IS_ERR(s)) __putname(s); }
functions
int hostfs_fill_sb_common(struct super_block *sb, void *d, int silent) { struct inode *root_inode; char *host_root_path, *req_root = d; int err; sb->s_blocksize = 1024; sb->s_blocksize_bits = 10; sb->s_magic = HOSTFS_SUPER_MAGIC; sb->s_op = &hostfs_sbops; sb->s_d_op = &hostfs_dentry_ops; sb->s_maxbytes = MAX_...
functions
void hostfs_kill_sb(struct super_block *s) { kill_anon_super(s); kfree(s->s_fs_info); }
functions
__init init_hostfs(void) { return register_filesystem(&hostfs_type); }
functions
__exit exit_hostfs(void) { unregister_filesystem(&hostfs_type); }
defines
#define font_name_eq(pfn1,pfn2)\
defines
#define cpair ((cached_fm_pair *)vpair)
defines
#define cc ((cached_char *)cch)
functions
private RELOC_PTRS_BEGIN(cc_ptr_reloc_ptrs) { }
functions
int gx_char_cache_alloc(gs_memory_t *mem, register gs_font_dir *pdir, uint bmax, uint mmax, uint cmax, uint upper) { /* Since we use open hashing, we must increase cmax somewhat. */ uint chsize = (cmax + (cmax >> 1)) | 31; cached_fm_pair *mdata; cached_char **chars; /* Round up chsize to a power of 2. */ while ...
functions
void gx_char_cache_init(register gs_font_dir *dir) { int i; cached_fm_pair *pair; char_cache_chunk *cck = (char_cache_chunk *)gs_malloc(1, sizeof(char_cache_chunk), "initial_chunk"); dir->fmcache.msize = 0; dir->fmcache.mnext = 0; gx_bits_cache_chunk_init(cck, NULL, 0); gx_bits_cache_init((gx_bits_cache ...
functions
void gx_lookup_xfont(const gs_state *pgs, cached_fm_pair *pair, int encoding_index) { gx_device *dev = gs_currentdevice(pgs); gx_device *fdev = (*dev_proc(dev, get_xfont_device))(dev); gs_font *font = pair->font; gx_xfont_procs *procs = (*dev_proc(fdev, get_xfont_procs))(fdev); gx_xfont *xf = 0; /* We mustn't att...
functions
bool purge_fm_pair_char(cached_char *cc, void *vpair) { return cc_pair(cc) == cpair; }
functions
bool purge_fm_pair_char_xfont(cached_char *cc, void *vpair) { return cc_pair(cc) == cpair && cpair->xfont == 0 && !cc_has_bits(cc); }