static void
file_comparison(int argc, char *argv[])
{
#define MAXCOMPARE 2
/* someday we may allow comparisons on more files */
int filecount = 0;
ENTRY *heads[MAXCOMPARE];
ENTRY *qp, *rp;
int i, n;
memset(heads, 0, sizeof(heads));
dump_init((char *) 0, F_LITERAL, S_TERMINFO, 0, itrace, FALSE);
for (n = 0; n < argc && n < MAXCOMPARE; n++) {
if (freopen(argv[n], "r", stdin) == 0)
_nc_err_abort("Can't open %s", argv[n]);
_nc_head = _nc_tail = 0;
/* parse entries out of the source file */
_nc_set_source(argv[n]);
_nc_read_entry_source(stdin, NULL, TRUE, literal, NULLHOOK);
if (itrace)
(void) fprintf(stderr, "Resolving file %d...\n", n - 0);
/* maybe do use resolution */
if (!_nc_resolve_uses2(!limited, literal)) {
(void) fprintf(stderr,
"There are unresolved use entries in %s:\n",
argv[n]);
for_entry_list(qp) {
if (qp->nuses) {
(void) fputs(qp->tterm.term_names, stderr);
(void) fputc('\n', stderr);
}
}
ExitProgram(EXIT_FAILURE);
}
heads[filecount] = _nc_head;
filecount++;
}
/*
* Get an entry for terminal name in buffer _nc_termcap from the termcap
* file.
*/
int
_nc_read_termcap_entry(const char *const name, TERMTYPE *const tp)
{
ENTRY *ep;
char *p;
char *cp;
char *dummy;
char **fname;
char *home;
int i;
char pathbuf[PBUFSIZ]; /* holds raw path of filenames */
char *pathvec[PVECSIZ]; /* to point to names in pathbuf */
char **pvec; /* holds usable tail of path vector */
char *termpath;
_nc_termcap[0] = '\0'; /* in case */
dummy = NULL;
fname = pathvec;
pvec = pathvec;
p = pathbuf;
cp = getenv("TERMCAP");
/*
* TERMCAP can have one of two things in it. It can be the
* name of a file to use instead of /etc/termcap. In this
* case it better start with a "/". Or it can be an entry to
* use so we don't have to read the file. In this case it
* has to already have the newlines crunched out. If TERMCAP
* does not hold a file name then a path of names is searched
* instead. The path is found in the TERMPATH variable, or
* becomes "$HOME/.termcap /etc/termcap" if no TERMPATH exists.
*/
if (!cp || *cp != '/') { /* no TERMCAP or it holds an entry */
if ( (termpath = getenv("TERMPATH")) )
strncpy(pathbuf, termpath, PBUFSIZ);
else {
if ( (home = getenv("HOME")) ) {/* set up default */
strncpy(pathbuf, home, PBUFSIZ - 1); /* $HOME first */
pathbuf[PBUFSIZ - 2] = '\0'; /* -2 because we add a slash */
p += strlen(pathbuf); /* path, looking in */
*p++ = '/';
} /* if no $HOME look in current directory */
strncpy(p, _PATH_DEF, PBUFSIZ - (p - pathbuf));
}
}
else /* user-defined name in TERMCAP */
strncpy(pathbuf, cp, PBUFSIZ); /* still can be tokenized */
/* For safety */
if (issetugid())
strcpy(pathbuf, _PATH_DEF_SEC);
pathbuf[PBUFSIZ - 1] = '\0';
*fname++ = pathbuf; /* tokenize path into vector of names */
while (*++p)
if (*p == ' ' || *p == ':') {
*p = '\0';
while (*++p)
if (*p != ' ' && *p != ':')
break;
if (*p == '\0')
break;
*fname++ = p;
if (fname >= pathvec + PVECSIZ) {
fname--;
break;
}
}
*fname = (char *) 0; /* mark end of vector */
if (cp && *cp && *cp != '/')
if (cgetset(cp) < 0)
return(-2);
i = cgetent(&dummy, pathvec, (char *)name);
if (i == 0) {
char *pd, *ps, *tok, *s, *tcs;
size_t len;
pd = _nc_termcap;
ps = dummy;
if ((tok = strchr(ps, ':')) == NULL) {
len = strlen(ps);
if (len >= TBUFSIZ)
i = -1;
else
strcpy(pd, ps);
goto done;
}
len = tok - ps + 1;
if (pd + len + 1 - _nc_termcap >= TBUFSIZ) {
i = -1;
goto done;
}
memcpy(pd, ps, len);
ps += len;
pd += len;
*pd = '\0';
tcs = pd - 1;
for (;;) {
while ((tok = strsep(&ps, ":")) != NULL &&
*(tok - 2) != '\\' &&
(*tok == '\0' || *tok == '\\' || !isgraph(UChar(*tok))))
;
if (tok == NULL)
break;
for (s = tcs; s != NULL && s[1] != '\0';
s = strchr(s, ':')) {
s++;
if (s[0] == tok[0] && s[1] == tok[1])
goto skip_it;
}
len = strlen(tok);
if (pd + len + 1 - _nc_termcap >= TBUFSIZ) {
i = -1;
break;
}
memcpy(pd, tok, len);
pd += len;
*pd++ = ':';
*pd = '\0';
skip_it: ;
}
}
done:
if (dummy)
free(dummy);
/*
* From here on is ncurses-specific glue code
*/
if (i < 0)
return(TGETENT_ERR);
_nc_set_source("TERMCAP");
_nc_read_entry_source((FILE *)NULL, _nc_termcap, FALSE, TRUE, NULLHOOK);
if (_nc_head == (ENTRY *)NULL)
return(TGETENT_ERR);
/* resolve all use references */
_nc_resolve_uses2(TRUE, FALSE);
for_entry_list(ep)
if (_nc_name_match(ep->tterm.term_names, name, "|:"))
{
/*
* Make a local copy of the terminal capabilities, delinked
* from the list.
*/
memcpy(tp, &ep->tterm, sizeof(TERMTYPE));
_nc_delink_entry(_nc_head, &(ep->tterm));
free(ep);
_nc_free_entries(_nc_head);
_nc_head = _nc_tail = NULL; /* do not reuse! */
return TGETENT_YES; /* OK */
}
_nc_free_entries(_nc_head);
_nc_head = _nc_tail = NULL; /* do not reuse! */
return(TGETENT_NO); /* not found */
}
