/****************************************************************************
- * Copyright 2018-2020,2021 Thomas E. Dickey *
+ * Copyright 2018-2023,2024 Thomas E. Dickey *
* Copyright 1998-2017,2018 Free Software Foundation, Inc. *
* *
* Permission is hereby granted, free of charge, to any person obtaining a *
#include <parametrized.h>
#include <transform.h>
-MODULE_ID("$Id: tic.c,v 1.296 2021/06/26 19:44:08 tom Exp $")
+MODULE_ID("$Id: tic.c,v 1.325 2024/03/02 19:33:22 tom Exp $")
#define STDIN_NAME "<stdin>"
if (used + 1 >= have) {
have += 132;
- if ((namebuf = typeRealloc(char, have, namebuf)) == 0)
+ if ((namebuf = typeRealloc(char, have, namebuf)) == NULL)
failed("put_translate namebuf");
- if ((suffix = typeRealloc(char, have, suffix)) == 0)
+ if ((suffix = typeRealloc(char, have, suffix)) == NULL)
failed("put_translate suffix");
}
if (c == '\n' || c == '@') {
FILE *target;
int ch;
- if (alt_file == 0)
+ if (alt_file == NULL)
alt_file = my_altfile;
- if (source == 0) {
+ if (source == NULL) {
failed("copy_input (source)");
- } else if ((target = open_tempfile(alt_file)) == 0) {
+ } else if ((target = open_tempfile(alt_file)) == NULL) {
failed("copy_input (target)");
} else {
clearerr(source);
if (!strcmp(filename, "-")) {
fp = copy_input(stdin, STDIN_NAME, alt_file);
- } else if (stat(filename, &sb) < 0) {
- fprintf(stderr, "%s: %s %s\n", _nc_progname, filename, strerror(errno));
+ } else if (stat(filename, &sb) == -1) {
+ fprintf(stderr, "%s: cannot open '%s': %s\n", _nc_progname,
+ filename, strerror(errno));
ExitProgram(EXIT_FAILURE);
} else if ((mode = (sb.st_mode & S_IFMT)) == S_IFDIR
|| (mode != S_IFREG && mode != S_IFCHR && mode != S_IFIFO)) {
- fprintf(stderr, "%s: %s is not a file\n", _nc_progname, filename);
+ fprintf(stderr, "%s: cannot open '%s'; it is not a file\n",
+ _nc_progname, filename);
ExitProgram(EXIT_FAILURE);
} else {
fp = safe_fopen(filename, "r");
- if (fp == 0) {
- fprintf(stderr, "%s: Can't open %s\n", _nc_progname, filename);
+ if (fp == NULL) {
+ fprintf(stderr, "%s: cannot open '%s': %s\n", _nc_progname,
+ filename, strerror(errno));
ExitProgram(EXIT_FAILURE);
}
if (mode != S_IFREG) {
FILE *fp2 = copy_input(fp, filename, alt_file);
fp = fp2;
} else {
- fprintf(stderr, "%s: %s is not a file\n", _nc_progname, filename);
+ fprintf(stderr, "%s: cannot open '%s'; it is not a"
+ " file\n", _nc_progname, filename);
ExitProgram(EXIT_FAILURE);
}
}
unsigned pass, n, nn;
char buffer[BUFSIZ];
- if (src == 0) {
+ if (src == NULL) {
/* EMPTY */ ;
} else if (strchr(src, '/') != 0) { /* a filename */
FILE *fp = open_input(src, (char *) 0);
}
}
if (pass == 1) {
- if ((dst = typeCalloc(char *, nn + 1)) == 0)
+ if ((dst = typeCalloc(char *, nn + 1)) == NULL)
failed("make_namelist");
rewind(fp);
}
break;
}
if (pass == 1) {
- if ((dst = typeCalloc(char *, nn + 1)) == 0)
+ if ((dst = typeCalloc(char *, nn + 1)) == NULL)
failed("make_namelist");
}
}
size_t need = strlen(nominal) + sizeof(suffix);
char *result = malloc(need);
- if (result == 0)
+ if (result == NULL)
failed("valid_db_path");
_nc_STRCPY(result, nominal, need);
if (strcmp(result + need - sizeof(suffix), suffix)) {
char *result;
const char *tried = 0;
- if (outdir == 0) {
- outdir = _nc_tic_dir(0);
+ if (outdir == NULL) {
+ outdir = _nc_tic_dir(NULL);
}
if ((result = valid_db_path(outdir)) != 0) {
printf("%s\n", result);
main(int argc, char *argv[])
{
char my_tmpname[PATH_MAX];
- char my_altfile[PATH_MAX];
int v_opt = -1;
int smart_defaults = TRUE;
char *termcap;
bool forceresolve = FALSE; /* force resolution */
bool limited = TRUE;
char *tversion = (char *) NULL;
- const char *source_file = "terminfo";
+ const char *source_file;
char *outdir = (char *) NULL;
bool check_only = FALSE;
bool suppress_untranslatable = FALSE;
sortmode = S_TERMCAP;
}
#if NCURSES_XNAMES
- use_extended_names(FALSE);
+ /* set this directly to avoid interaction with -v and -D options */
+ _nc_user_definable = FALSE;
#endif
_nc_strict_bsd = 0;
break;
case 'D':
debug_level = VtoTrace(v_opt);
- set_trace_level(debug_level);
+ use_verbosity(debug_level);
show_databases(outdir);
ExitProgram(EXIT_SUCCESS);
break;
_nc_disable_period = TRUE;
/* FALLTHRU */
case 'x':
- use_extended_names(TRUE);
using_extensions = TRUE;
break;
#endif
last_opt = this_opt;
}
+ /*
+ * If the -v option is set, it may override the $NCURSES_TRACE environment
+ * variable, e.g., for -v3 and up.
+ */
debug_level = VtoTrace(v_opt);
- set_trace_level(debug_level);
+ use_verbosity(debug_level);
+
+ /*
+ * Do this after setting debug_level, since the function calls START_TRACE,
+ * which uses the $NCURSES_TRACE environment variable if _nc_tracing bits
+ * for tracing are zero.
+ */
+#if NCURSES_XNAMES
+ if (using_extensions) {
+ use_extended_names(TRUE);
+ }
+#endif
if (_nc_tracing) {
save_check_termtype = _nc_check_termtype2;
* One problem with immedhook is it means we can't do -e. Problem
* is that we can't guarantee that for each terminal listed, all the
* terminals it depends on will have been kept in core for reference
- * resolution -- in fact it's certain the primitive types at the end
+ * resolution -- in fact it is certain the primitive types at the end
* of reference chains *won't* be in core unless they were explicitly
* in the select list themselves.
*/
}
}
- if (tmp_fp == 0) {
+ if (tmp_fp == NULL) {
+ char my_altfile[PATH_MAX];
tmp_fp = open_input(source_file, my_altfile);
if (!strcmp(source_file, "-")) {
source_file = STDIN_NAME;
if (total != 0)
fprintf(log_fp, "%d entries written to %s\n",
total,
- _nc_tic_dir((char *) 0));
+ _nc_tic_dir(NULL));
else
fprintf(log_fp, "No entries written\n");
}
char *q;
memset(mapped, 0, sizeof(mapped));
+ memset(missing, 0, sizeof(missing));
for (p = acs_chars; *p != '\0'; p += 2) {
if (p[1] == '\0') {
_nc_warning("acsc has odd number of characters");
char *value;
if ((max_colors > 0) != (max_pairs > 0)
- || ((max_colors > max_pairs) && (initialize_pair == 0)))
+ || ((max_colors > max_pairs) && !VALID_STRING(initialize_pair)))
_nc_warning("inconsistent values for max_colors (%d) and max_pairs (%d)",
max_colors, max_pairs);
for (j = 0; j < 4; ++j) {
skip[j] = FALSE;
for (k = 0; k < j; ++k) {
- if (j != k
- && !strcmp(list[j], list[k])) {
+ if (!strcmp(list[j], list[k])) {
char *value = _nc_tic_expand(list[k], TRUE, 0);
- _nc_warning("repeated cursor control %s\n", value);
+ _nc_warning("repeated cursor control %s", value);
repeated = TRUE;
}
}
continue;
if (memcmp(list[j], up, prefix)) {
char *value = _nc_tic_expand(list[j], TRUE, 0);
- _nc_warning("inconsistent prefix for %s\n", value);
+ _nc_warning("inconsistent prefix for %s", value);
continue;
}
if (strlen(list[j]) < suffix) {
char *value = _nc_tic_expand(list[j], TRUE, 0);
- _nc_warning("inconsistent length for %s, expected %d\n",
+ _nc_warning("inconsistent length for %s, expected %d",
value, (int) suffix + 1);
continue;
}
want = "BADC"[j];
if (list[j][suffix] != want) {
char *value = _nc_tic_expand(list[j], TRUE, 0);
- _nc_warning("inconsistent suffix for %s, expected %c, have %c\n",
+ _nc_warning("inconsistent suffix for %s, expected %c, have %c",
value, want, list[j][suffix]);
}
}
check_noaddress(tp, "hard_copy");
} else if (generic_type) {
check_noaddress(tp, "generic_type");
- } else if (strchr(tp->term_names, '+') == 0) {
+ } else if (strchr(tp->term_names, '+') == NULL) {
int y = 0;
int x = 0;
if (PRESENT(column_address))
ANDMISSING(start_char_set_def, stop_char_set_def);
#endif
- /* if we have a parameterized form, then the non-parameterized is easy */
-#if defined(set_bottom_margin_parm) && defined(set_bottom_margin)
- ANDMISSING(set_bottom_margin_parm, set_bottom_margin);
-#endif
-#if defined(set_left_margin_parm) && defined(set_left_margin)
- ANDMISSING(set_left_margin_parm, set_left_margin);
-#endif
-#if defined(set_right_margin_parm) && defined(set_right_margin)
- ANDMISSING(set_right_margin_parm, set_right_margin);
-#endif
-#if defined(set_top_margin_parm) && defined(set_top_margin)
- ANDMISSING(set_top_margin_parm, set_top_margin);
-#endif
-
+ /*
+ * If we have a parameterized form, then the non-parameterized is easy.
+ * note: parameterized/non-parameterized margin settings are unrelated.
+ */
#if defined(parm_down_micro) && defined(micro_down)
ANDMISSING(parm_down_micro, micro_down);
#endif
char *name = _nc_first_name(tp->term_names);
bool is_screen = !strncmp(name, "screen", 6);
bool screen_base = (is_screen
- && strchr(name, '.') == 0);
+ && strchr(name, '.') == NULL);
if (!VALID_BOOLEAN(have_bce)) {
have_bce = FALSE;
} else if (have_XT && screen_base) {
_nc_warning("screen's \"screen\" entries should not have XT set");
} else if (have_XT) {
+ char *s;
+
if (!have_kmouse && is_screen) {
if (VALID_STRING(key_mouse)) {
_nc_warning("value of kmous inconsistent with screen's usage");
"to have 39/49 parameters", name_39_49);
}
}
- if (VALID_STRING(to_status_line))
+ if (VALID_STRING(to_status_line)
+ && (s = strchr(to_status_line, ';')) != NULL
+ && *++s == '\0')
_nc_warning("\"tsl\" capability is redundant, given XT");
} else {
if (have_kmouse
&& !have_XM
- && !screen_base && strchr(name, '+') == 0) {
+ && !screen_base && strchr(name, '+') == NULL) {
_nc_warning("expected XT to be set, given kmous");
}
}
return result;
}
+static bool
+line_capability(const char *name)
+{
+ bool result = FALSE;
+ static const char *table[] =
+ {
+ "csr", /* change_scroll_region */
+ "clear", /* clear_screen */
+ "ed", /* clr_eos */
+ "cwin", /* create_window */
+ "cup", /* cursor_address */
+ "cud1", /* cursor_down */
+ "home", /* cursor_home */
+ "mrcup", /* cursor_mem_address */
+ "ll", /* cursor_to_ll */
+ "cuu1", /* cursor_up */
+ "dl1", /* delete_line */
+ "hd", /* down_half_line */
+ "flash", /* flash_screen */
+ "ff", /* form_feed */
+ "il1", /* insert_line */
+ "nel", /* newline */
+ "dl", /* parm_delete_line */
+ "cud", /* parm_down_cursor */
+ "indn", /* parm_index */
+ "il", /* parm_insert_line */
+ "rin", /* parm_rindex */
+ "cuu", /* parm_up_cursor */
+ "mc0", /* print_screen */
+ "vpa", /* row_address */
+ "ind", /* scroll_forward */
+ "ri", /* scroll_reverse */
+ "hu", /* up_half_line */
+ };
+ size_t n;
+ for (n = 0; n < SIZEOF(table); ++n) {
+ if (!strcmp(name, table[n])) {
+ result = TRUE;
+ break;
+ }
+ }
+ return result;
+}
+
/*
* Make a quick sanity check for the parameters which are used in the given
* strings. If there are no "%p" tokens, then there should be no other "%"
* markers.
*/
static void
-check_params(TERMTYPE2 *tp, const char *name, char *value, int extended)
+check_params(TERMTYPE2 *tp, const char *name, const char *value, int extended)
{
int expected = expected_params(name);
int actual = 0;
int n;
bool params[1 + NUM_PARM];
- char *s = value;
+ const char *s = value;
+#ifdef set_left_margin_parm
+ if (!strcmp(name, "smgrp")
+ && !VALID_STRING(set_left_margin_parm))
+ expected = 2;
+#endif
+#ifdef set_right_margin_parm
+ if (!strcmp(name, "smglp")
+ && !VALID_STRING(set_right_margin_parm))
+ expected = 2;
+#endif
#ifdef set_top_margin_parm
if (!strcmp(name, "smgbp")
- && set_top_margin_parm == 0)
+ && !VALID_STRING(set_top_margin_parm))
+ expected = 2;
+#endif
+#ifdef set_bottom_margin_parm
+ if (!strcmp(name, "smgtp")
+ && !VALID_STRING(set_bottom_margin_parm))
expected = 2;
#endif
* may not have been fully translated. Also, tparm does its own analysis.
* Report differences here.
*/
+ _nc_reset_tparm(NULL);
if (actual >= 0) {
char *p_is_s[NUM_PARM];
int popcount;
- int analyzed = _nc_tparm_analyze(value, p_is_s, &popcount);
+ int analyzed = _nc_tparm_analyze(NULL, value, p_is_s, &popcount);
if (analyzed < popcount) {
analyzed = popcount;
}
_nc_warning("tparm analyzed %d parameters for %s, expected %d",
analyzed, name, actual);
}
+ } else if (expected > 0
+ && actual == expected
+ && guess_tparm_type(expected, p_is_s) == Numbers) {
+ int limit = 1;
+
+ if (!strcmp(name, "setf")
+ || !strcmp(name, "setb")
+ || !strcmp(name, "setaf")
+ || !strcmp(name, "setab")) {
+ if ((limit = max_colors) > 256)
+ limit = 256;
+ } else if (line_capability(name)) {
+ limit = 24;
+ } else if (is_user_capability(name) < 0) {
+ limit = 80;
+ }
+ for (n = 0; n < limit; ++n) {
+ _nc_reset_tparm(NULL);
+ (void) TPARM_9(value, n, n, n, n, n, n, n, n, n);
+ if (_nc_tparm_err) {
+ _nc_warning("problem%s in tparm(%s, %d, ...)",
+ (_nc_tparm_err == 1) ? "" : "s",
+ name, n);
+ if (debug_level < 2)
+ break;
+ }
+ }
}
}
}
-static bool
-line_capability(const char *name)
-{
- bool result = FALSE;
- static const char *table[] =
- {
- "csr", /* change_scroll_region */
- "clear", /* clear_screen */
- "ed", /* clr_eos */
- "cwin", /* create_window */
- "cup", /* cursor_address */
- "cud1", /* cursor_down */
- "home", /* cursor_home */
- "mrcup", /* cursor_mem_address */
- "ll", /* cursor_to_ll */
- "cuu1", /* cursor_up */
- "dl1", /* delete_line */
- "hd", /* down_half_line */
- "flash", /* flash_screen */
- "ff", /* form_feed */
- "il1", /* insert_line */
- "nel", /* newline */
- "dl", /* parm_delete_line */
- "cud", /* parm_down_cursor */
- "indn", /* parm_index */
- "il", /* parm_insert_line */
- "rin", /* parm_rindex */
- "cuu", /* parm_up_cursor */
- "mc0", /* print_screen */
- "vpa", /* row_address */
- "ind", /* scroll_forward */
- "ri", /* scroll_reverse */
- "hu", /* up_half_line */
- };
- size_t n;
- for (n = 0; n < SIZEOF(table); ++n) {
- if (!strcmp(name, table[n])) {
- result = TRUE;
- break;
- }
- }
- return result;
-}
-
/*
* Check for DEC VT100 private mode for reverse video.
*/
for (q = base; *q != '\0'; ++q) {
if (*q == '>') {
- if (mark == 0)
+ if (mark == NULL)
mark = q;
break;
} else if (*q == '*' || *q == '/') {
++proportional;
if (*q == '/')
++mandatory;
- if (mark == 0)
+ if (mark == NULL)
mark = q;
} else if (!(isalnum(UChar(*q)) || strchr("+-.", *q) != 0)) {
break;
_nc_warning("non-line capability using proportional delay: %s", name);
} else if (!xon_xoff &&
!mandatory &&
- strchr(_nc_first_name(tp->term_names), '+') == 0) {
+ strchr(_nc_first_name(tp->term_names), '+') == NULL) {
_nc_warning("%s in %s is used since no xon/xoff",
(proportional
? "proportional delay"
next += strlen(next) + 1;
}
+ _nc_reset_tparm(NULL);
expect = tparm_type(name);
- nparam = _nc_tparm_analyze(value, p_is_s, &ignored);
+ nparam = _nc_tparm_analyze(NULL, value, p_is_s, &ignored);
actual = guess_tparm_type(nparam, p_is_s);
if (expect != actual) {
actual = Other;
}
+ _nc_reset_tparm(NULL);
switch (actual) {
+ case Str:
+ result = TPARM_1(value, strings[1]);
+ break;
case Num_Str:
result = TPARM_2(value, numbers[1], strings[2]);
break;
+ case Str_Str:
+ result = TPARM_2(value, strings[1], strings[2]);
+ break;
case Num_Str_Str:
result = TPARM_3(value, numbers[1], strings[2], strings[3]);
break;
}
}
while (*src == '*' || *src == '/') {
- if (always == 0 && *src == '/')
+ if (always == NULL && *src == '/')
break;
if (*src++ == '*') {
star = 1;
check_infotocap(TERMTYPE2 *tp, int i, const char *value)
{
const char *name = ExtStrname(tp, i, strnames);
- int params = ((i < (int) SIZEOF(parametrized))
- ? parametrized[i]
- : ((*value == 'k')
- ? 0
- : has_params(value, FALSE)));
char *ti_value = NULL;
- char *tc_value;
- bool embedded;
assert(SIZEOF(parametrized) == STRCOUNT);
if (!VALID_STRING(value) || (ti_value = strdup(value)) == NULL) {
_nc_warning("tic-expansion of %s failed", name);
- } else if ((tc_value = _nc_infotocap(name, ti_value, params)) == ABSENT_STRING) {
- _nc_warning("tic-conversion of %s failed", name);
- } else if (params > 0) {
- int limit = 5;
- int count;
- bool first = TRUE;
-
- if (!strcmp(name, "setf")
- || !strcmp(name, "setb")
- || !strcmp(name, "setaf")
- || !strcmp(name, "setab")) {
- if ((limit = max_colors) > 16)
- limit = 16;
- }
- for (count = 0; count < limit; ++count) {
- char *ti_check = check_1_infotocap(name, ti_value, count);
- char *tc_check = check_1_infotocap(name, tc_value, count);
-
- if (strcmp(ti_check, tc_check)) {
- if (first) {
- fprintf(stderr, "check_infotocap(%s)\n", name);
- fprintf(stderr, "...ti '%s'\n", _nc_visbuf2(0, ti_value));
- fprintf(stderr, "...tc '%s'\n", _nc_visbuf2(0, tc_value));
- first = FALSE;
+ } else {
+ char *tc_value;
+ bool embedded;
+ int params = ((i < (int) SIZEOF(parametrized))
+ ? parametrized[i]
+ : ((*value == 'k')
+ ? 0
+ : has_params(value, FALSE)));
+
+ if ((tc_value = _nc_infotocap(name, ti_value, params)) == ABSENT_STRING) {
+ _nc_warning("tic-conversion of %s failed", name);
+ } else if (params > 0) {
+ int limit = 5;
+ int count;
+ bool first = TRUE;
+
+ if (!strcmp(name, "setf")
+ || !strcmp(name, "setb")
+ || !strcmp(name, "setaf")
+ || !strcmp(name, "setab")) {
+ if ((limit = max_colors) > 256)
+ limit = 256;
+ }
+ for (count = 0; count < limit; ++count) {
+ char *ti_check = check_1_infotocap(name, ti_value, count);
+ char *tc_check = check_1_infotocap(name, tc_value, count);
+
+ if (strcmp(ti_check, tc_check)) {
+ if (first) {
+ fprintf(stderr, "check_infotocap(%s)\n", name);
+ fprintf(stderr, "...ti '%s'\n", _nc_visbuf2(0, ti_value));
+ fprintf(stderr, "...tc '%s'\n", _nc_visbuf2(0, tc_value));
+ first = FALSE;
+ }
+ _nc_warning("tparm-conversion of %s(%d) differs between\n\tterminfo %s\n\ttermcap %s",
+ name, count,
+ _nc_visbuf2(0, ti_check),
+ _nc_visbuf2(1, tc_check));
}
- _nc_warning("tparm-conversion of %s(%d) differs between\n\tterminfo %s\n\ttermcap %s",
- name, count,
- _nc_visbuf2(0, ti_check),
- _nc_visbuf2(1, tc_check));
+ free(ti_check);
+ free(tc_check);
+ }
+ } else if (params == 0 && !same_ti_tc(ti_value, tc_value, &embedded)) {
+ if (embedded) {
+ _nc_warning("termcap equivalent of %s cannot use embedded delay", name);
+ } else {
+ _nc_warning("tic-conversion of %s changed value\n\tfrom %s\n\tto %s",
+ name, ti_value, tc_value);
}
- free(ti_check);
- free(tc_check);
- }
- } else if (params == 0 && !same_ti_tc(ti_value, tc_value, &embedded)) {
- if (embedded) {
- _nc_warning("termcap equivalent of %s cannot use embedded delay", name);
- } else {
- _nc_warning("tic-conversion of %s changed value\n\tfrom %s\n\tto %s",
- name, ti_value, tc_value);
}
+ free(ti_value);
}
- free(ti_value);
}
static char *
int used = 0;
unsigned j;
- if (result == 0)
+ if (result == NULL)
failed("get_fkey_list");
for (j = 0; all_fkeys[j].code; j++) {
static void
check_conflict(TERMTYPE2 *tp)
{
- bool conflict = FALSE;
-
if (!(_nc_syntax == SYN_TERMCAP && capdump)) {
char *check = calloc((size_t) (NUM_STRINGS(tp) + 1), sizeof(char));
NAME_VALUE *given = get_fkey_list(tp);
unsigned j, k;
+ bool conflict = FALSE;
- if (check == 0)
+ if (check == NULL)
failed("check_conflict");
for (j = 0; given[j].keycode; ++j) {
}
#endif
+#define IN_DELAY "0123456789*/."
+
+static bool
+check_ANSI_cap(const char *value, int nparams, char final)
+{
+ bool result = FALSE;
+ if (VALID_STRING(value) && csi_length(value) > 0) {
+ char *p_is_s[NUM_PARM];
+ int popcount;
+ int analyzed = _nc_tparm_analyze(NULL, value, p_is_s, &popcount);
+ if (analyzed < popcount) {
+ analyzed = popcount;
+ }
+ if (analyzed == nparams) {
+ bool numbers = TRUE;
+ int p;
+ for (p = 0; p < nparams; ++p) {
+ if (p_is_s[p]) {
+ numbers = FALSE;
+ break;
+ }
+ }
+ if (numbers) {
+ int in_delay = 0;
+ p = (int) strlen(value);
+ while (p-- > 0) {
+ char ch = value[p];
+ if (ch == final) {
+ result = TRUE;
+ break;
+ }
+ switch (in_delay) {
+ case 0:
+ if (ch == '>')
+ in_delay = 1;
+ break;
+ case 1:
+ if (strchr(IN_DELAY, value[p]) != NULL)
+ break;
+ if (ch != '<')
+ p = 0;
+ in_delay = 2;
+ break;
+ case 2:
+ if (ch != '$')
+ p = 0;
+ in_delay = 0;
+ break;
+ }
+ }
+ }
+ }
+ }
+ return result;
+}
+
+static const char *
+skip_Delay(const char *value)
+{
+ const char *result = value;
+
+ if (*value == '$') {
+ ++result;
+ if (*result++ == '<') {
+ while (strchr(IN_DELAY, *result) != NULL)
+ ++result;
+ if (*result++ != '>') {
+ result = value;
+ }
+ } else {
+ result = value;
+ }
+ }
+ return result;
+}
+
+static bool
+isValidString(const char *value, const char *expect)
+{
+ bool result = FALSE;
+ if (VALID_STRING(value)) {
+ if (!strcmp(value, expect))
+ result = TRUE;
+ }
+ return result;
+}
+
+static bool
+isValidEscape(const char *value, const char *expect)
+{
+ bool result = FALSE;
+ if (VALID_STRING(value)) {
+ if (*value == '\033') {
+ size_t need = strlen(expect);
+ size_t have = strlen(value) - 1;
+ if (have >= need && !strncmp(value + 1, expect, need)) {
+ if (*skip_Delay(value + need + 1) == '\0') {
+ result = TRUE;
+ }
+ }
+ }
+ }
+ return result;
+}
+
+static int
+guess_ANSI_VTxx(TERMTYPE2 *tp)
+{
+ int result = -1;
+ int checks = 0;
+
+ /* VT100s have scrolling region, but ANSI (ECMA-48) does not specify */
+ if (check_ANSI_cap(change_scroll_region, 2, 'r') &&
+ (isValidEscape(scroll_forward, "D") ||
+ isValidString(scroll_forward, "\n") ||
+ isValidEscape(scroll_forward, "6")) &&
+ (isValidEscape(scroll_reverse, "M") ||
+ isValidEscape(scroll_reverse, "9"))) {
+ checks |= 2;
+ }
+ if (check_ANSI_cap(cursor_address, 2, 'H') &&
+ check_ANSI_cap(cursor_up, 0, 'A') &&
+ (check_ANSI_cap(cursor_down, 0, 'B') ||
+ isValidString(cursor_down, "\n")) &&
+ check_ANSI_cap(cursor_right, 0, 'C') &&
+ (check_ANSI_cap(cursor_left, 0, 'D') ||
+ isValidString(cursor_left, "\b")) &&
+ check_ANSI_cap(clr_eos, 0, 'J') &&
+ check_ANSI_cap(clr_bol, 0, 'K') &&
+ check_ANSI_cap(clr_eol, 0, 'K')) {
+ checks |= 1;
+ }
+ if (checks == 3)
+ result = 1;
+ if (checks == 1)
+ result = 0;
+ return result;
+}
+
+/*
+ * u6/u7 and u8/u9 are query/response extensions which most terminals support.
+ * In particular, any ECMA-48 terminal should support these, though the details
+ * for u9 are implementation dependent.
+ */
+#if defined(user6) && defined(user7) && defined(user8) && defined(user9)
+static void
+check_user_6789(TERMTYPE2 *tp)
+{
+ /*
+ * Check if the terminal is known to not
+ */
+#define NO_QUERY(longname,shortname) \
+ if (PRESENT(longname)) _nc_warning(#shortname " is not supported")
+ if (tigetflag("NQ") > 0) {
+ NO_QUERY(user6, u6);
+ NO_QUERY(user7, u7);
+ NO_QUERY(user8, u8);
+ NO_QUERY(user9, u9);
+ return;
+ }
+
+ PAIRED(user6, user7);
+ PAIRED(user8, user9);
+
+ if (strchr(tp->term_names, '+') != NULL)
+ return;
+
+ switch (guess_ANSI_VTxx(tp)) {
+ case 1:
+ if (!PRESENT(user8)) {
+ _nc_warning("expected u8/u9 for device-attributes");
+ }
+ /* FALLTHRU */
+ case 0:
+ if (!PRESENT(user6)) {
+ _nc_warning("expected u6/u7 for cursor-position");
+ }
+ break;
+ }
+}
+#else
+#define check_user_6789(tp) /* nothing */
+#endif
+
/* other sanity-checks (things that we don't want in the normal
* logic that reads a terminfo entry)
*/
check_keypad(tp);
check_printer(tp);
check_screen(tp);
+ check_user_6789(tp);
/*
* These are probably both or none.
if (PRESENT(exit_attribute_mode)) {
char *check_sgr0 = _nc_trim_sgr0(tp);
- if (check_sgr0 == 0 || *check_sgr0 == '\0') {
+ if (check_sgr0 == NULL || *check_sgr0 == '\0') {
_nc_warning("trimmed sgr0 is empty");
} else {
show_where(2);
projects / ncurses.git / blobdiff