freebsd-dev/contrib/ncurses/progs/toe.c
Rong-En Fan 5d08fb1f77 - Update ncurses to 5.7-20081102 (5.7 release) and build glue
- This also removes $FreeBSD$ from two now unmodifed source files
  ncurses/tinfo/lib_raw.c and ncurses/tinfo/lib_baudrate.c

MFC after:	2 months (after 7.1 and 6.4 are released)
2008-11-15 09:23:48 +00:00

515 lines
12 KiB
C

/****************************************************************************
* Copyright (c) 1998-2007,2008 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
* copy of this software and associated documentation files (the *
* "Software"), to deal in the Software without restriction, including *
* without limitation the rights to use, copy, modify, merge, publish, *
* distribute, distribute with modifications, sublicense, and/or sell *
* copies of the Software, and to permit persons to whom the Software is *
* furnished to do so, subject to the following conditions: *
* *
* The above copyright notice and this permission notice shall be included *
* in all copies or substantial portions of the Software. *
* *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
* IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
* THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
* *
* Except as contained in this notice, the name(s) of the above copyright *
* holders shall not be used in advertising or otherwise to promote the *
* sale, use or other dealings in this Software without prior written *
* authorization. *
****************************************************************************/
/****************************************************************************
* Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 *
* and: Eric S. Raymond <esr@snark.thyrsus.com> *
* and: Thomas E. Dickey 1996-on *
****************************************************************************/
/*
* toe.c --- table of entries report generator
*/
#include <progs.priv.h>
#include <sys/stat.h>
#if USE_HASHED_DB
#include <hashed_db.h>
#endif
MODULE_ID("$Id: toe.c,v 1.51 2008/08/16 21:53:25 tom Exp $")
#define isDotname(name) (!strcmp(name, ".") || !strcmp(name, ".."))
const char *_nc_progname;
#if NO_LEAKS
#undef ExitProgram
static void ExitProgram(int code) GCC_NORETURN;
static void
ExitProgram(int code)
{
_nc_free_entries(_nc_head);
_nc_free_tic(code);
}
#endif
#if USE_HASHED_DB
static bool
make_db_name(char *dst, const char *src, unsigned limit)
{
static const char suffix[] = DBM_SUFFIX;
bool result = FALSE;
unsigned lens = sizeof(suffix) - 1;
unsigned size = strlen(src);
unsigned need = lens + size;
if (need <= limit) {
if (size >= lens
&& !strcmp(src + size - lens, suffix))
(void) strcpy(dst, src);
else
(void) sprintf(dst, "%s%s", src, suffix);
result = TRUE;
}
return result;
}
#endif
static bool
is_database(const char *path)
{
bool result = FALSE;
#if USE_DATABASE
if (_nc_is_dir_path(path) && access(path, R_OK | X_OK) == 0) {
result = TRUE;
}
#endif
#if USE_TERMCAP
if (_nc_is_file_path(path) && access(path, R_OK) == 0) {
result = TRUE;
}
#endif
#if USE_HASHED_DB
if (!result) {
char filename[PATH_MAX];
if (_nc_is_file_path(path) && access(path, R_OK) == 0) {
result = TRUE;
} else if (make_db_name(filename, path, sizeof(filename))) {
if (_nc_is_file_path(filename) && access(filename, R_OK) == 0) {
result = TRUE;
}
}
}
#endif
return result;
}
static void
deschook(const char *cn, TERMTYPE *tp)
/* display a description for the type */
{
const char *desc;
if ((desc = strrchr(tp->term_names, '|')) == 0 || *++desc == '\0')
desc = "(No description)";
(void) printf("%-10s\t%s\n", cn, desc);
}
#if USE_TERMCAP
static void
show_termcap(char *buffer,
void (*hook) (const char *, TERMTYPE *tp))
{
TERMTYPE data;
char *next = strchr(buffer, ':');
char *last;
char *list = buffer;
if (next)
*next = '\0';
last = strrchr(buffer, '|');
if (last)
++last;
data.term_names = strdup(buffer);
while ((next = strtok(list, "|")) != 0) {
if (next != last)
hook(next, &data);
list = 0;
}
free(data.term_names);
}
#endif
static int
typelist(int eargc, char *eargv[],
bool verbosity,
void (*hook) (const char *, TERMTYPE *tp))
/* apply a function to each entry in given terminfo directories */
{
int i;
for (i = 0; i < eargc; i++) {
#if USE_DATABASE
if (_nc_is_dir_path(eargv[i])) {
char *cwd_buf = 0;
DIR *termdir;
DIRENT *subdir;
if ((termdir = opendir(eargv[i])) == 0) {
(void) fflush(stdout);
(void) fprintf(stderr,
"%s: can't open terminfo directory %s\n",
_nc_progname, eargv[i]);
return (EXIT_FAILURE);
} else if (verbosity)
(void) printf("#\n#%s:\n#\n", eargv[i]);
while ((subdir = readdir(termdir)) != 0) {
size_t len = NAMLEN(subdir);
size_t cwd_len = len + strlen(eargv[i]) + 3;
char name_1[PATH_MAX];
DIR *entrydir;
DIRENT *entry;
cwd_buf = typeRealloc(char, cwd_len, cwd_buf);
if (cwd_buf == 0) {
perror("realloc cwd_buf");
continue;
}
strncpy(name_1, subdir->d_name, len)[len] = '\0';
if (isDotname(name_1))
continue;
(void) sprintf(cwd_buf, "%s/%.*s/", eargv[i], (int) len, name_1);
if (chdir(cwd_buf) != 0)
continue;
entrydir = opendir(".");
if (entrydir == 0) {
perror(cwd_buf);
continue;
}
while ((entry = readdir(entrydir)) != 0) {
char name_2[PATH_MAX];
TERMTYPE lterm;
char *cn;
int status;
len = NAMLEN(entry);
strncpy(name_2, entry->d_name, len)[len] = '\0';
if (isDotname(name_2) || !_nc_is_file_path(name_2))
continue;
status = _nc_read_file_entry(name_2, &lterm);
if (status <= 0) {
(void) fflush(stdout);
(void) fprintf(stderr,
"%s: couldn't open terminfo file %s.\n",
_nc_progname, name_2);
return (EXIT_FAILURE);
}
/* only visit things once, by primary name */
cn = _nc_first_name(lterm.term_names);
if (!strcmp(cn, name_2)) {
/* apply the selected hook function */
(*hook) (cn, &lterm);
}
_nc_free_termtype(&lterm);
}
closedir(entrydir);
}
closedir(termdir);
if (cwd_buf != 0)
free(cwd_buf);
}
#if USE_HASHED_DB
else {
DB *capdbp;
char filename[PATH_MAX];
if (make_db_name(filename, eargv[i], sizeof(filename))) {
if ((capdbp = _nc_db_open(filename, FALSE)) != 0) {
DBT key, data;
int code;
code = _nc_db_first(capdbp, &key, &data);
while (code == 0) {
TERMTYPE lterm;
int used;
char *have;
char *cn;
if (_nc_db_have_data(&key, &data, &have, &used)) {
if (_nc_read_termtype(&lterm, have, used) > 0) {
/* only visit things once, by primary name */
cn = _nc_first_name(lterm.term_names);
/* apply the selected hook function */
(*hook) (cn, &lterm);
_nc_free_termtype(&lterm);
}
}
code = _nc_db_next(capdbp, &key, &data);
}
_nc_db_close(capdbp);
}
}
}
#endif
#endif
#if USE_TERMCAP
#if HAVE_BSD_CGETENT
char *db_array[2];
char *buffer = 0;
if (verbosity)
(void) printf("#\n#%s:\n#\n", eargv[i]);
db_array[0] = eargv[i];
db_array[1] = 0;
if (cgetfirst(&buffer, db_array)) {
show_termcap(buffer, hook);
free(buffer);
while (cgetnext(&buffer, db_array)) {
show_termcap(buffer, hook);
free(buffer);
}
}
cgetclose();
#else
/* scan termcap text-file only */
if (_nc_is_file_path(eargv[i])) {
char buffer[2048];
FILE *fp;
if ((fp = fopen(eargv[i], "r")) != 0) {
while (fgets(buffer, sizeof(buffer), fp) != 0) {
if (*buffer == '#')
continue;
if (isspace(*buffer))
continue;
show_termcap(buffer, hook);
}
fclose(fp);
}
}
#endif
#endif
}
return (EXIT_SUCCESS);
}
static void
usage(void)
{
(void) fprintf(stderr, "usage: %s [-ahuUV] [-v n] [file...]\n", _nc_progname);
ExitProgram(EXIT_FAILURE);
}
int
main(int argc, char *argv[])
{
bool all_dirs = FALSE;
bool direct_dependencies = FALSE;
bool invert_dependencies = FALSE;
bool header = FALSE;
char *report_file = 0;
unsigned i;
int code;
int this_opt, last_opt = '?';
int v_opt = 0;
_nc_progname = _nc_rootname(argv[0]);
while ((this_opt = getopt(argc, argv, "0123456789ahu:vU:V")) != -1) {
/* handle optional parameter */
if (isdigit(this_opt)) {
switch (last_opt) {
case 'v':
v_opt = (this_opt - '0');
break;
default:
if (isdigit(last_opt))
v_opt *= 10;
else
v_opt = 0;
v_opt += (this_opt - '0');
last_opt = this_opt;
}
continue;
}
switch (this_opt) {
case 'a':
all_dirs = TRUE;
break;
case 'h':
header = TRUE;
break;
case 'u':
direct_dependencies = TRUE;
report_file = optarg;
break;
case 'v':
v_opt = 1;
break;
case 'U':
invert_dependencies = TRUE;
report_file = optarg;
break;
case 'V':
puts(curses_version());
ExitProgram(EXIT_SUCCESS);
default:
usage();
}
}
set_trace_level(v_opt);
if (report_file != 0) {
if (freopen(report_file, "r", stdin) == 0) {
(void) fflush(stdout);
fprintf(stderr, "%s: can't open %s\n", _nc_progname, report_file);
ExitProgram(EXIT_FAILURE);
}
/* parse entries out of the source file */
_nc_set_source(report_file);
_nc_read_entry_source(stdin, 0, FALSE, FALSE, NULLHOOK);
}
/* maybe we want a direct-dependency listing? */
if (direct_dependencies) {
ENTRY *qp;
for_entry_list(qp) {
if (qp->nuses) {
unsigned j;
(void) printf("%s:", _nc_first_name(qp->tterm.term_names));
for (j = 0; j < qp->nuses; j++)
(void) printf(" %s", qp->uses[j].name);
putchar('\n');
}
}
ExitProgram(EXIT_SUCCESS);
}
/* maybe we want a reverse-dependency listing? */
if (invert_dependencies) {
ENTRY *qp, *rp;
int matchcount;
for_entry_list(qp) {
matchcount = 0;
for_entry_list(rp) {
if (rp->nuses == 0)
continue;
for (i = 0; i < rp->nuses; i++)
if (_nc_name_match(qp->tterm.term_names,
rp->uses[i].name, "|")) {
if (matchcount++ == 0)
(void) printf("%s:",
_nc_first_name(qp->tterm.term_names));
(void) printf(" %s",
_nc_first_name(rp->tterm.term_names));
}
}
if (matchcount)
putchar('\n');
}
ExitProgram(EXIT_SUCCESS);
}
/*
* If we get this far, user wants a simple terminal type listing.
*/
if (optind < argc) {
code = typelist(argc - optind, argv + optind, header, deschook);
} else if (all_dirs) {
DBDIRS state;
int offset;
int pass;
const char *path;
char **eargv = 0;
code = EXIT_FAILURE;
for (pass = 0; pass < 2; ++pass) {
unsigned count = 0;
_nc_first_db(&state, &offset);
while ((path = _nc_next_db(&state, &offset)) != 0) {
if (!is_database(path)) {
;
} else if (eargv != 0) {
unsigned n;
int found = FALSE;
/* eliminate duplicates */
for (n = 0; n < count; ++n) {
if (!strcmp(path, eargv[n])) {
found = TRUE;
break;
}
}
if (!found) {
eargv[count] = strdup(path);
++count;
}
} else {
++count;
}
}
if (!pass) {
eargv = typeCalloc(char *, count + 1);
} else {
code = typelist((int) count, eargv, header, deschook);
while (count-- > 0)
free(eargv[count]);
free(eargv);
}
}
} else {
DBDIRS state;
int offset;
const char *path;
char *eargv[3];
int count = 0;
_nc_first_db(&state, &offset);
while ((path = _nc_next_db(&state, &offset)) != 0) {
if (is_database(path)) {
eargv[count++] = strdup(path);
break;
}
}
eargv[count] = 0;
code = typelist(count, eargv, header, deschook);
while (count-- > 0)
free(eargv[count]);
}
_nc_last_db();
ExitProgram(code);
}