+ /* Show the directory into which entries were written, and the total
+ * number of entries
+ */
+ if (showsummary
+ && (!(check_only || infodump || capdump))) {
+ int total = _nc_tic_written();
+ if (total != 0)
+ fprintf(log_fp, "%d entries written to %s\n",
+ total,
+ _nc_tic_dir((char *) 0));
+ else
+ fprintf(log_fp, "No entries written\n");
+ }
+ ExitProgram(EXIT_SUCCESS);
+}
+
+/*
+ * This bit of legerdemain turns all the terminfo variable names into
+ * references to locations in the arrays Booleans, Numbers, and Strings ---
+ * precisely what's needed (see comp_parse.c).
+ */
+#undef CUR
+#define CUR tp->
+
+/*
+ * Check if the alternate character-set capabilities are consistent.
+ */
+static void
+check_acs(TERMTYPE2 *tp)
+{
+ if (VALID_STRING(acs_chars)) {
+ const char *boxes = "lmkjtuvwqxn";
+ char mapped[256];
+ char missing[256];
+ const char *p;
+ char *q;
+
+ memset(mapped, 0, sizeof(mapped));
+ for (p = acs_chars; *p != '\0'; p += 2) {
+ if (p[1] == '\0') {
+ _nc_warning("acsc has odd number of characters");
+ break;
+ }
+ mapped[UChar(p[0])] = p[1];
+ }
+
+ if (mapped[UChar('I')] && !mapped[UChar('i')]) {
+ _nc_warning("acsc refers to 'I', which is probably an error");
+ }
+
+ for (p = boxes, q = missing; *p != '\0'; ++p) {
+ if (!mapped[UChar(p[0])]) {
+ *q++ = p[0];
+ }
+ }
+ *q = '\0';
+
+ assert(strlen(missing) <= strlen(boxes));
+ if (*missing != '\0' && strcmp(missing, boxes)) {
+ _nc_warning("acsc is missing some line-drawing mapping: %s", missing);
+ }
+ }
+}
+
+static bool
+same_color(NCURSES_CONST char *oldcap, NCURSES_CONST char *newcap, int limit)
+{
+ bool result = FALSE;
+ if (limit > 16)
+ limit = 16;
+ if (limit >= 8) {
+ int n;
+ int same;
+ for (n = same = 0; n < limit; ++n) {
+ char *oldvalue = strdup(TPARM_1(oldcap, n));
+ char *newvalue = strdup(TPARM_1(newcap, n));
+ same += !strcmp(oldvalue, newvalue);
+ free(oldvalue);
+ free(newvalue);
+ }
+ result = (same == limit);
+ }
+ return result;
+}
+
+/*
+ * Check if the color capabilities are consistent
+ */
+static void
+check_colors(TERMTYPE2 *tp)
+{
+ if ((max_colors > 0) != (max_pairs > 0)
+ || ((max_colors > max_pairs) && (initialize_pair == 0)))
+ _nc_warning("inconsistent values for max_colors (%d) and max_pairs (%d)",
+ max_colors, max_pairs);
+
+ PAIRED(set_foreground, set_background);
+ PAIRED(set_a_foreground, set_a_background);
+ PAIRED(set_color_pair, initialize_pair);
+
+ if (VALID_STRING(set_foreground)
+ && VALID_STRING(set_a_foreground)) {
+ if (!_nc_capcmp(set_foreground, set_a_foreground)) {
+ _nc_warning("expected setf/setaf to be different");
+ } else if (same_color(set_foreground, set_a_foreground, max_colors)) {
+ _nc_warning("setf/setaf are equivalent");
+ }
+ }
+
+ if (VALID_STRING(set_background)
+ && VALID_STRING(set_a_background)) {
+ if (!_nc_capcmp(set_background, set_a_background)) {
+ _nc_warning("expected setb/setab to be different");
+ } else if (same_color(set_background, set_a_background, max_colors)) {
+ _nc_warning("setb/setab are equivalent");
+ }
+ }
+
+ /* see: has_colors() */
+ if (VALID_NUMERIC(max_colors) && VALID_NUMERIC(max_pairs)
+ && ((VALID_STRING(set_foreground)
+ && VALID_STRING(set_background))
+ || (VALID_STRING(set_a_foreground)
+ && VALID_STRING(set_a_background))
+ || set_color_pair)) {
+ if (!VALID_STRING(orig_pair) && !VALID_STRING(orig_colors))
+ _nc_warning("expected either op/oc string for resetting colors");
+ }
+ if (can_change) {
+ if (!VALID_STRING(initialize_pair) &&
+ !VALID_STRING(initialize_color)) {
+ _nc_warning("expected initc or initp because ccc is given");
+ }
+ } else {
+ if (VALID_STRING(initialize_pair) ||
+ VALID_STRING(initialize_color)) {
+ _nc_warning("expected ccc because initc is given");
+ }
+ }
+}
+
+static int
+csi_length(const char *value)
+{
+ int result = 0;
+
+ if (value[0] == '\033' && value[1] == '[') {
+ result = 2;
+ } else if (UChar(value[0]) == 0x9a) {
+ result = 1;
+ }
+ return result;
+}
+
+static char
+keypad_final(const char *string)
+{
+ char result = '\0';
+
+ if (VALID_STRING(string)
+ && *string++ == '\033'
+ && *string++ == 'O'
+ && strlen(string) == 1) {
+ result = *string;
+ }
+
+ return result;
+}
+
+static long
+keypad_index(const char *string)
+{
+ char *test;
+ const char *list = "PQRSwxymtuvlqrsPpn"; /* app-keypad except "Enter" */
+ int ch;
+ long result = -1;
+
+ if ((ch = keypad_final(string)) != '\0') {
+ test = (strchr) (list, ch);
+ if (test != 0)
+ result = (long) (test - list);
+ }
+ return result;
+}
+
+/*
+ * list[] is down, up, left, right
+ * "left" may be ^H rather than \E[D
+ * "down" may be ^J rather than \E[B
+ * But up/right are generally consistently escape sequences for ANSI terminals.
+ */
+static void
+check_ansi_cursor(char *list[4])
+{
+ int j, k;
+ int want;
+ size_t suffix;
+ bool skip[4];
+ bool repeated = FALSE;
+
+ for (j = 0; j < 4; ++j) {
+ skip[j] = FALSE;
+ for (k = 0; k < j; ++k) {
+ if (j != k
+ && !strcmp(list[j], list[k])) {
+ char *value = _nc_tic_expand(list[k], TRUE, 0);
+ _nc_warning("repeated cursor control %s\n", value);
+ repeated = TRUE;
+ }
+ }
+ }
+ if (!repeated) {
+ char *up = list[1];
+ size_t prefix = (size_t) csi_length(up);
+
+ if (prefix) {
+ suffix = prefix;
+ while (up[suffix] && isdigit(UChar(up[suffix])))
+ ++suffix;
+ }
+ if (prefix && up[suffix] == 'A') {
+ skip[1] = TRUE;
+ if (!strcmp(list[0], "\n"))
+ skip[0] = TRUE;
+ if (!strcmp(list[2], "\b"))
+ skip[2] = TRUE;
+
+ for (j = 0; j < 4; ++j) {
+ if (skip[j] || strlen(list[j]) == 1)
+ continue;
+ if (memcmp(list[j], up, prefix)) {
+ char *value = _nc_tic_expand(list[j], TRUE, 0);
+ _nc_warning("inconsistent prefix for %s\n", 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",
+ 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",
+ value, want, list[j][suffix]);
+ }
+ }
+ }
+ }
+}
+
+#define EXPECTED(name) if (!PRESENT(name)) _nc_warning("expected " #name)
+#define UNEXPECTED(name) if (PRESENT(name)) _nc_warning("unexpected " #name ", for %s", why)
+
+static void
+check_noaddress(TERMTYPE2 *tp, const char *why)
+{
+ UNEXPECTED(column_address);
+ UNEXPECTED(cursor_address);
+ UNEXPECTED(cursor_home);
+ UNEXPECTED(cursor_mem_address);
+ UNEXPECTED(cursor_to_ll);
+ UNEXPECTED(row_address);
+ UNEXPECTED(row_address);
+}
+
+static void
+check_cursor(TERMTYPE2 *tp)
+{
+ int count;
+ char *list[4];
+
+ if (hard_copy) {
+ check_noaddress(tp, "hard_copy");
+ } else if (generic_type) {
+ check_noaddress(tp, "generic_type");
+ } else if (strchr(tp->term_names, '+') == 0) {
+ int y = 0;
+ int x = 0;
+ if (PRESENT(column_address))
+ ++y;
+ if (PRESENT(cursor_address))
+ y = x = 10;
+ if (PRESENT(cursor_home))
+ ++y, ++x;
+ if (PRESENT(cursor_mem_address))
+ y = x = 10;
+ if (PRESENT(cursor_to_ll))
+ ++y, ++x;
+ if (PRESENT(row_address))
+ ++x;
+ if (PRESENT(cursor_down))
+ ++y;
+ if (PRESENT(cursor_up))
+ ++y;
+ if (PRESENT(cursor_left))
+ ++x;
+ if (PRESENT(cursor_right))
+ ++x;
+ if (x < 2 && y < 2) {
+ _nc_warning("terminal lacks cursor addressing");
+ } else {
+ if (x < 2)
+ _nc_warning("terminal lacks cursor column-addressing");
+ if (y < 2)
+ _nc_warning("terminal lacks cursor row-addressing");
+ }
+ }
+
+ /* it is rare to have an insert-line feature without a matching delete */
+ ANDMISSING(parm_insert_line, insert_line);
+ ANDMISSING(parm_delete_line, delete_line);
+ ANDMISSING(parm_insert_line, parm_delete_line);
+
+ /* if we have a parameterized form, then the non-parameterized is easy */
+ ANDMISSING(parm_down_cursor, cursor_down);
+ ANDMISSING(parm_up_cursor, cursor_up);
+ ANDMISSING(parm_left_cursor, cursor_left);
+ ANDMISSING(parm_right_cursor, cursor_right);
+
+ /* Given any of a set of cursor movement, the whole set should be present.
+ * Technically this is not true (we could use cursor_address to fill in
+ * unsupported controls), but it is likely.
+ */
+ count = 0;
+ if (PRESENT(parm_down_cursor)) {
+ list[count++] = parm_down_cursor;
+ }
+ if (PRESENT(parm_up_cursor)) {
+ list[count++] = parm_up_cursor;
+ }
+ if (PRESENT(parm_left_cursor)) {
+ list[count++] = parm_left_cursor;
+ }
+ if (PRESENT(parm_right_cursor)) {
+ list[count++] = parm_right_cursor;
+ }
+ if (count == 4) {
+ check_ansi_cursor(list);
+ } else if (count != 0) {
+ EXPECTED(parm_down_cursor);
+ EXPECTED(parm_up_cursor);
+ EXPECTED(parm_left_cursor);
+ EXPECTED(parm_right_cursor);
+ }
+
+ count = 0;
+ if (PRESENT(cursor_down)) {
+ list[count++] = cursor_down;
+ }
+ if (PRESENT(cursor_up)) {
+ list[count++] = cursor_up;
+ }
+ if (PRESENT(cursor_left)) {
+ list[count++] = cursor_left;
+ }
+ if (PRESENT(cursor_right)) {
+ list[count++] = cursor_right;
+ }
+ if (count == 4) {
+ check_ansi_cursor(list);
+ } else if (count != 0) {
+ count = 0;
+ if (PRESENT(cursor_down) && strcmp(cursor_down, "\n"))
+ ++count;
+ if (PRESENT(cursor_left) && strcmp(cursor_left, "\b"))
+ ++count;
+ if (PRESENT(cursor_up) && strlen(cursor_up) > 1)
+ ++count;
+ if (PRESENT(cursor_right) && strlen(cursor_right) > 1)
+ ++count;
+ if (count) {
+ EXPECTED(cursor_down);
+ EXPECTED(cursor_up);
+ EXPECTED(cursor_left);
+ EXPECTED(cursor_right);
+ }
+ }
+}
+
+#define MAX_KP 5
+/*
+ * Do a quick sanity-check for vt100-style keypads to see if the 5-key keypad
+ * is mapped inconsistently.
+ */
+static void
+check_keypad(TERMTYPE2 *tp)
+{
+ char show[80];
+
+ if (VALID_STRING(key_a1) &&
+ VALID_STRING(key_a3) &&
+ VALID_STRING(key_b2) &&
+ VALID_STRING(key_c1) &&
+ VALID_STRING(key_c3)) {
+ char final[MAX_KP + 1];
+ long list[MAX_KP];
+ int increase = 0;
+ int j, k, kk;
+ long last;
+ long test;
+
+ final[0] = keypad_final(key_a1);
+ final[1] = keypad_final(key_a3);
+ final[2] = keypad_final(key_b2);
+ final[3] = keypad_final(key_c1);
+ final[4] = keypad_final(key_c3);
+ final[5] = '\0';
+
+ /* special case: legacy coding using 1,2,3,0,. on the bottom */
+ assert(strlen(final) <= MAX_KP);
+ if (!strcmp(final, "qsrpn"))
+ return;
+
+ list[0] = keypad_index(key_a1);
+ list[1] = keypad_index(key_a3);
+ list[2] = keypad_index(key_b2);
+ list[3] = keypad_index(key_c1);
+ list[4] = keypad_index(key_c3);
+
+ /* check that they're all vt100 keys */
+ for (j = 0; j < MAX_KP; ++j) {
+ if (list[j] < 0) {
+ return;
+ }
+ }
+
+ /* check if they're all in increasing order */
+ for (j = 1; j < MAX_KP; ++j) {
+ if (list[j] > list[j - 1]) {
+ ++increase;
+ }
+ }
+ if (increase != (MAX_KP - 1)) {
+ show[0] = '\0';
+
+ for (j = 0, last = -1; j < MAX_KP; ++j) {
+ for (k = 0, kk = -1, test = 100; k < 5; ++k) {
+ if (list[k] > last &&
+ list[k] < test) {
+ test = list[k];
+ kk = k;
+ }
+ }
+ last = test;
+ assert(strlen(show) < (MAX_KP * 4));
+ switch (kk) {
+ case 0:
+ _nc_STRCAT(show, " ka1", sizeof(show));
+ break;
+ case 1:
+ _nc_STRCAT(show, " ka3", sizeof(show));
+ break;
+ case 2:
+ _nc_STRCAT(show, " kb2", sizeof(show));
+ break;
+ case 3:
+ _nc_STRCAT(show, " kc1", sizeof(show));
+ break;
+ case 4:
+ _nc_STRCAT(show, " kc3", sizeof(show));
+ break;
+ }
+ }
+
+ _nc_warning("vt100 keypad order inconsistent: %s", show);
+ }
+
+ } else if (VALID_STRING(key_a1) ||
+ VALID_STRING(key_a3) ||
+ VALID_STRING(key_b2) ||
+ VALID_STRING(key_c1) ||
+ VALID_STRING(key_c3)) {
+ show[0] = '\0';
+ if (keypad_index(key_a1) >= 0)
+ _nc_STRCAT(show, " ka1", sizeof(show));
+ if (keypad_index(key_a3) >= 0)
+ _nc_STRCAT(show, " ka3", sizeof(show));
+ if (keypad_index(key_b2) >= 0)
+ _nc_STRCAT(show, " kb2", sizeof(show));
+ if (keypad_index(key_c1) >= 0)
+ _nc_STRCAT(show, " kc1", sizeof(show));
+ if (keypad_index(key_c3) >= 0)
+ _nc_STRCAT(show, " kc3", sizeof(show));
+ if (*show != '\0')
+ _nc_warning("vt100 keypad map incomplete:%s", show);
+ }
+
+ /*
+ * These warnings are useful for consistency checks - it is possible that
+ * there are real terminals with mismatches in these
+ */
+ ANDMISSING(key_ic, key_dc);
+}
+
+static void
+check_printer(TERMTYPE2 *tp)
+{
+ (void) tp;
+#if defined(enter_doublewide_mode) && defined(exit_doublewide_mode)
+ PAIRED(enter_doublewide_mode, exit_doublewide_mode);
+#endif
+#if defined(enter_italics_mode) && defined(exit_italics_mode)
+ PAIRED(enter_italics_mode, exit_italics_mode);
+#endif
+#if defined(enter_leftward_mode) && defined(exit_leftward_mode)
+ PAIRED(enter_leftward_mode, exit_leftward_mode);
+#endif
+#if defined(enter_micro_mode) && defined(exit_micro_mode)
+ PAIRED(enter_micro_mode, exit_micro_mode);
+#endif
+#if defined(enter_shadow_mode) && defined(exit_shadow_mode)
+ PAIRED(enter_shadow_mode, exit_shadow_mode);
+#endif
+#if defined(enter_subscript_mode) && defined(exit_subscript_mode)
+ PAIRED(enter_subscript_mode, exit_subscript_mode);
+#endif
+#if defined(enter_superscript_mode) && defined(exit_superscript_mode)
+ PAIRED(enter_superscript_mode, exit_superscript_mode);
+#endif
+#if defined(enter_upward_mode) && defined(exit_upward_mode)
+ PAIRED(enter_upward_mode, exit_upward_mode);
+#endif
+
+#if defined(start_char_set_def) && defined(stop_char_set_def)
+ 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 defined(parm_down_micro) && defined(micro_down)
+ ANDMISSING(parm_down_micro, micro_down);
+#endif
+#if defined(parm_left_micro) && defined(micro_left)
+ ANDMISSING(parm_left_micro, micro_left);
+#endif
+#if defined(parm_right_micro) && defined(micro_right)
+ ANDMISSING(parm_right_micro, micro_right);
+#endif
+#if defined(parm_up_micro) && defined(micro_up)
+ ANDMISSING(parm_up_micro, micro_up);
+#endif
+}
+
+static bool
+uses_SGR_39_49(const char *value)
+{
+ return (strstr(value, "39;49") != 0
+ || strstr(value, "49;39") != 0);
+}
+
+/*
+ * Check consistency of termcap extensions related to "screen".
+ */
+static void
+check_screen(TERMTYPE2 *tp)
+{
+#if NCURSES_XNAMES
+ if (_nc_user_definable) {
+ int have_XT = tigetflag("XT");
+ int have_XM = tigetflag("XM");
+ int have_bce = back_color_erase;
+ bool have_kmouse = FALSE;
+ bool use_sgr_39_49 = FALSE;
+ char *name = _nc_first_name(tp->term_names);
+ bool is_screen = !strncmp(name, "screen", 6);
+ bool screen_base = (is_screen
+ && strchr(name, '.') == 0);
+
+ if (!VALID_BOOLEAN(have_bce)) {
+ have_bce = FALSE;
+ }
+ if (!VALID_BOOLEAN(have_XM)) {
+ have_XM = FALSE;
+ }
+ if (!VALID_BOOLEAN(have_XT)) {
+ have_XT = FALSE;
+ }
+ if (VALID_STRING(key_mouse)) {
+ have_kmouse = !strcmp("\033[M", key_mouse);
+ }
+ if (VALID_STRING(orig_colors)) {
+ use_sgr_39_49 = uses_SGR_39_49(orig_colors);
+ } else if (VALID_STRING(orig_pair)) {
+ use_sgr_39_49 = uses_SGR_39_49(orig_pair);
+ }
+
+ if (have_XM && have_XT) {
+ _nc_warning("Screen's XT capability conflicts with XM");
+ } else if (have_XT && screen_base) {
+ _nc_warning("Screen's \"screen\" entries should not have XT set");
+ } else if (have_XT) {
+ if (!have_kmouse && is_screen) {
+ if (VALID_STRING(key_mouse)) {
+ _nc_warning("Value of kmous inconsistent with screen's usage");
+ } else {
+ _nc_warning("Expected kmous capability with XT");
+ }
+ }
+ if (!have_bce && max_colors > 0)
+ _nc_warning("Expected bce capability with XT");
+ if (!use_sgr_39_49 && have_bce && max_colors > 0)
+ _nc_warning("Expected orig_colors capability with XT to have 39/49 parameters");
+ if (VALID_STRING(to_status_line))
+ _nc_warning("\"tsl\" capability is redundant, given XT");
+ } else {
+ if (have_kmouse
+ && !have_XM
+ && !screen_base && strchr(name, '+') == 0) {
+ _nc_warning("Expected XT to be set, given kmous");
+ }
+ }
+ }
+#endif
+}
+
+/*
+ * Returns the expected number of parameters for the given capability.
+ */
+static int
+expected_params(const char *name)
+{
+#define DATA(name,count) { { name }, count }
+ /* *INDENT-OFF* */
+ static const struct {
+ const char name[9];
+ int count;
+ } table[] = {
+ DATA( "S0", 1 ), /* 'screen' extension */
+ DATA( "birep", 2 ),
+ DATA( "chr", 1 ),
+ DATA( "colornm", 1 ),
+ DATA( "cpi", 1 ),
+ DATA( "csnm", 1 ),
+ DATA( "csr", 2 ),
+ DATA( "cub", 1 ),
+ DATA( "cud", 1 ),
+ DATA( "cuf", 1 ),
+ DATA( "cup", 2 ),
+ DATA( "cuu", 1 ),
+ DATA( "cvr", 1 ),
+ DATA( "cwin", 5 ),
+ DATA( "dch", 1 ),
+ DATA( "defc", 3 ),
+ DATA( "dial", 1 ),
+ DATA( "dispc", 1 ),
+ DATA( "dl", 1 ),
+ DATA( "ech", 1 ),
+ DATA( "getm", 1 ),
+ DATA( "hpa", 1 ),
+ DATA( "ich", 1 ),
+ DATA( "il", 1 ),
+ DATA( "indn", 1 ),
+ DATA( "initc", 4 ),
+ DATA( "initp", 7 ),
+ DATA( "lpi", 1 ),
+ DATA( "mc5p", 1 ),
+ DATA( "mrcup", 2 ),
+ DATA( "mvpa", 1 ),
+ DATA( "pfkey", 2 ),
+ DATA( "pfloc", 2 ),
+ DATA( "pfx", 2 ),
+ DATA( "pfxl", 3 ),
+ DATA( "pln", 2 ),
+ DATA( "qdial", 1 ),
+ DATA( "rcsd", 1 ),
+ DATA( "rep", 2 ),
+ DATA( "rin", 1 ),
+ DATA( "sclk", 3 ),
+ DATA( "scp", 1 ),
+ DATA( "scs", 1 ),
+ DATA( "scsd", 2 ),
+ DATA( "setab", 1 ),
+ DATA( "setaf", 1 ),
+ DATA( "setb", 1 ),
+ DATA( "setcolor", 1 ),
+ DATA( "setf", 1 ),
+ DATA( "sgr", 9 ),
+ DATA( "sgr1", 6 ),
+ DATA( "slength", 1 ),
+ DATA( "slines", 1 ),
+ DATA( "smgbp", 1 ), /* 2 if smgtp is not given */
+ DATA( "smglp", 1 ),
+ DATA( "smglr", 2 ),
+ DATA( "smgrp", 1 ),
+ DATA( "smgtb", 2 ),
+ DATA( "smgtp", 1 ),
+ DATA( "tsl", 1 ),
+ DATA( "u6", -1 ),
+ DATA( "vpa", 1 ),
+ DATA( "wind", 4 ),
+ DATA( "wingo", 1 ),
+ };
+ /* *INDENT-ON* */
+
+#undef DATA
+
+ unsigned n;
+ int result = 0; /* function-keys, etc., use none */
+
+ for (n = 0; n < SIZEOF(table); n++) {
+ if (!strcmp(name, table[n].name)) {
+ result = table[n].count;
+ break;
+ }
+ }
+
+ return result;
+}
+
+/*
+ * ncurses assumes that u6 could be used for getting the cursor-position, but
+ * that is not implemented. Make a special case for that, to quiet needless
+ * warnings.
+ *
+ * There are other string-capability extensions (see terminfo.src) which could
+ * have parameters such as "Ss", "%u", but are not used by ncurses.
+ */
+static int
+is_user_capability(const char *name)
+{
+ int result = -1;
+ if (name[0] == 'u' &&
+ (name[1] >= '0' && name[1] <= '9') &&
+ name[2] == '\0')
+ result = (name[1] == '6') ? 2 : 0;
+ 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)
+{
+ int expected = expected_params(name);
+ int actual = 0;
+ int n;
+ bool params[NUM_PARM];
+ char *s = value;
+
+#ifdef set_top_margin_parm
+ if (!strcmp(name, "smgbp")
+ && set_top_margin_parm == 0)
+ expected = 2;
+#endif
+
+ for (n = 0; n < NUM_PARM; n++)
+ params[n] = FALSE;
+
+ while (*s != 0) {
+ if (*s == '%') {
+ if (*++s == '\0') {
+ _nc_warning("expected character after %% in %s", name);
+ break;
+ } else if (*s == 'p') {
+ if (*++s == '\0' || !isdigit((int) *s)) {
+ _nc_warning("expected digit after %%p in %s", name);
+ return;
+ } else {
+ n = (*s - '0');
+ if (n > actual)
+ actual = n;
+ params[n] = TRUE;
+ }
+ }
+ }
+ s++;
+ }
+
+ if (extended) {
+ if (actual > 0) {
+ _nc_warning("extended %s capability has %d parameters",
+ name, actual);
+ expected = actual;
+ }
+ }
+
+ if (params[0]) {
+ _nc_warning("%s refers to parameter 0 (%%p0), which is not allowed", name);
+ }
+ if (value == set_attributes || expected < 0) {
+ ;
+ } else if (expected != actual) {
+ _nc_warning("%s uses %d parameters, expected %d", name,
+ actual, expected);
+ for (n = 1; n < actual; n++) {
+ if (!params[n])
+ _nc_warning("%s omits parameter %d", name, n);
+ }
+ }
+
+ /*
+ * Counting "%p" markers does not account for termcap expressions which
+ * may not have been fully translated. Also, tparm does its own analysis.
+ * Report differences here.
+ */
+ if (actual >= 0) {
+ char *p_is_s[NUM_PARM];
+ int popcount;
+ int analyzed = _nc_tparm_analyze(value, p_is_s, &popcount);
+ if (analyzed < popcount) {
+ analyzed = popcount;
+ }
+ if (actual != analyzed && expected != analyzed) {
+ int user_cap = is_user_capability(name);
+ if ((user_cap == analyzed) && using_extensions) {
+ ; /* ignore */
+ } else if (user_cap >= 0) {
+ _nc_warning("tparm will use %d parameters for %s",
+ analyzed, name);
+ } else {
+ _nc_warning("tparm analyzed %d parameters for %s, expected %d",
+ analyzed, name, actual);
+ }
+ }
+ }
+}
+
+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.
+ */
+static const char *
+skip_DECSCNM(const char *value, int *flag)
+{
+ *flag = -1;
+ if (value != 0) {
+ int skip = csi_length(value);
+ if (skip > 0 &&
+ value[skip++] == '?' &&
+ value[skip++] == '5') {
+ if (value[skip] == 'h') {
+ *flag = 1;
+ } else if (value[skip] == 'l') {
+ *flag = 0;
+ }
+ value += skip + 1;
+ }
+ }
+ return value;
+}
+
+static void
+check_delays(TERMTYPE2 *tp, const char *name, const char *value)
+{
+ const char *p, *q;
+ const char *first = 0;
+ const char *last = 0;
+
+ for (p = value; *p != '\0'; ++p) {
+ if (p[0] == '$' && p[1] == '<') {
+ const char *base = p + 2;
+ const char *mark = 0;
+ bool maybe = TRUE;
+ bool mixed = FALSE;
+ int proportional = 0;
+ int mandatory = 0;
+
+ first = p;
+
+ for (q = base; *q != '\0'; ++q) {
+ if (*q == '>') {
+ if (mark == 0)
+ mark = q;
+ break;
+ } else if (*q == '*' || *q == '/') {
+ if (*q == '*')
+ ++proportional;
+ if (*q == '/')
+ ++mandatory;
+ if (mark == 0)
+ mark = q;
+ } else if (!(isalnum(UChar(*q)) || strchr("+-.", *q) != 0)) {
+ maybe = FALSE;
+ break;
+ } else if (proportional || mandatory) {
+ mixed = TRUE;
+ }
+ }
+ last = *q ? (q + 1) : q;
+ if (*q == '\0') {
+ maybe = FALSE; /* just an isolated "$<" */
+ } else if (maybe) {
+ float check_f;
+ char check_c;
+ int rc = sscanf(base, "%f%c", &check_f, &check_c);
+ if ((rc != 2) || (check_c != *mark) || mixed) {
+ _nc_warning("syntax error in %s delay '%.*s'", name,
+ (int) (q - base), base);
+ } else if (*name == 'k') {
+ _nc_warning("function-key %s has delay", name);
+ } else if (proportional && !line_capability(name)) {
+ _nc_warning("non-line capability using proportional delay: %s", name);
+ } else if (!xon_xoff &&
+ !mandatory &&
+ strchr(_nc_first_name(tp->term_names), '+') == 0) {
+ _nc_warning("%s in %s is used since no xon/xoff",
+ (proportional
+ ? "proportional delay"
+ : "delay"),
+ name);
+ }
+ } else {
+ p = q - 1; /* restart scan */
+ }
+ }
+ }
+
+ if (!strcmp(name, "flash") ||
+ !strcmp(name, "beep")) {
+
+ if (first != 0) {
+ if (first == value || *last == 0) {
+ /*
+ * Delay is on one end or the other.
+ */
+ _nc_warning("expected delay embedded within %s", name);
+ }
+ } else {
+ int flag;
+
+ /*
+ * Check for missing delay when using VT100 reverse-video.
+ * A real VT100 might not need this, but terminal emulators do.
+ */
+ if ((p = skip_DECSCNM(value, &flag)) != 0 &&
+ flag > 0 &&
+ (q = skip_DECSCNM(p, &flag)) != 0 &&
+ flag == 0) {
+ _nc_warning("expected a delay in %s", name);
+ }
+ }
+ }
+}
+
+static char *
+check_1_infotocap(const char *name, NCURSES_CONST char *value, int count)
+{
+ int k;
+ int ignored;
+ long numbers[1 + NUM_PARM];
+ char *strings[1 + NUM_PARM];
+ char *p_is_s[NUM_PARM];
+ char *result;
+ char blob[NUM_PARM * 10];
+ char *next = blob;
+
+ *next++ = '\0';
+ for (k = 1; k <= NUM_PARM; k++) {
+ numbers[k] = count;
+ _nc_SPRINTF(next,
+ _nc_SLIMIT(sizeof(blob) - (size_t) (next - blob))
+ "XYZ%d", count);
+ strings[k] = next;
+ next += strlen(next) + 1;
+ }
+
+ switch (tparm_type(name)) {
+ case Num_Str:
+ result = TPARM_2(value, numbers[1], strings[2]);
+ break;
+ case Num_Str_Str:
+ result = TPARM_3(value, numbers[1], strings[2], strings[3]);
+ break;
+ case Numbers:
+ default:
+ (void) _nc_tparm_analyze(value, p_is_s, &ignored);
+#define myParam(n) (p_is_s[n - 1] != 0 ? ((TPARM_ARG) strings[n]) : numbers[n])
+ result = TPARM_9(value,
+ myParam(1),
+ myParam(2),
+ myParam(3),
+ myParam(4),
+ myParam(5),
+ myParam(6),
+ myParam(7),
+ myParam(8),
+ myParam(9));
+ break;
+ }
+ return strdup(result);
+}
+
+#define IsDelay(ch) ((ch) == '.' || isdigit(UChar(ch)))
+
+static const char *
+parse_delay_value(const char *src, double *delays, int *always)
+{
+ int star = 0;
+
+ *delays = 0.0;
+ if (always)
+ *always = 0;
+
+ while (isdigit(UChar(*src))) {
+ (*delays) = (*delays) * 10 + (*src++ - '0');
+ }
+ if (*src == '.') {
+ int gotdot = 1;
+
+ ++src;
+ while (isdigit(UChar(*src))) {
+ gotdot *= 10;
+ (*delays) += (*src++ - '0') / gotdot;
+ }
+ }
+ while (*src == '*' || *src == '/') {
+ if (always == 0 && *src == '/')
+ break;
+ if (*src++ == '*') {
+ star = 1;
+ } else {
+ *always = 1;
+ }
+ }
+ if (star)
+ *delays = -(*delays);
+ return src;
+}
+
+static const char *
+parse_ti_delay(const char *ti, double *delays)
+{
+ *delays = 0.0;
+ while (*ti != '\0') {
+ if (*ti == '\\') {
+ ++ti;
+ }
+ if (ti[0] == '$'
+ && ti[1] == '<'
+ && IsDelay(UChar(ti[2]))) {
+ int ignored;
+ const char *last = parse_delay_value(ti + 2, delays, &ignored);
+ if (*last == '>') {
+ ti = last;
+ }
+ } else {
+ ++ti;
+ }
+ }
+ return ti;
+}
+
+static const char *
+parse_tc_delay(const char *tc, double *delays)
+{
+ return parse_delay_value(tc, delays, (int *) 0);
+}
+
+/*
+ * Compare terminfo- and termcap-strings, factoring out delays.
+ */
+static bool
+same_ti_tc(const char *ti, const char *tc, bool * embedded)
+{
+ bool same = TRUE;
+ double ti_delay = 0.0;
+ double tc_delay = 0.0;
+ const char *ti_last;
+
+ *embedded = FALSE;
+ ti_last = parse_ti_delay(ti, &ti_delay);
+ tc = parse_tc_delay(tc, &tc_delay);
+
+ while ((ti < ti_last) && *tc) {
+ if (*ti == '\\' && ispunct(UChar(ti[1]))) {
+ ++ti;
+ if ((*ti == '^') && !strncmp(tc, "\\136", 4)) {
+ ti += 1;
+ tc += 4;
+ continue;
+ }
+ } else if (ti[0] == '$' && ti[1] == '<') {
+ double no_delay;
+ const char *ss = parse_ti_delay(ti, &no_delay);
+ if (ss != ti) {
+ *embedded = TRUE;
+ ti = ss;
+ continue;
+ }
+ }
+ if (*tc == '\\' && ispunct(UChar(tc[1]))) {
+ ++tc;
+ }
+ if (*ti++ != *tc++) {
+ same = FALSE;
+ break;
+ }
+ }
+
+ if (*embedded) {
+ if (same) {
+ same = FALSE;
+ } else {
+ *embedded = FALSE; /* report only one problem */
+ }
+ }
+
+ return same;
+}
+
+/*
+ * Check terminfo to termcap translation.
+ */
+static void
+check_infotocap(TERMTYPE2 *tp, int i, const char *value)
+{
+ const char *name = ExtStrname(tp, i, strnames);
+ int params = (((i < (int) SIZEOF(parametrized)) &&
+ (i < STRCOUNT))
+ ? parametrized[i]
+ : ((*value == 'k')
+ ? 0
+ : has_params(value)));
+ int to_char = 0;
+ char *ti_value;
+ char *tc_value;
+ bool embedded;
+
+ if ((ti_value = _nc_tic_expand(value, TRUE, to_char)) == ABSENT_STRING) {
+ _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", ti_value);
+ fprintf(stderr, "...tc '%s'\n", tc_value);
+ first = FALSE;
+ }
+ _nc_warning("tparm-conversion of %s(%d) differs between\n\tterminfo %s\n\ttermcap %s",
+ name, count, ti_check, 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);
+ }
+ }
+}
+
+static char *
+skip_delay(char *s)
+{
+ while (*s == '/' || isdigit(UChar(*s)))
+ ++s;
+ return s;
+}
+
+/*
+ * Skip a delay altogether, e.g., when comparing a simple string to sgr,
+ * the latter may have a worst-case delay on the end.
+ */
+static char *
+ignore_delays(char *s)
+{
+ int delaying = 0;
+
+ do {
+ switch (*s) {
+ case '$':
+ if (delaying == 0)
+ delaying = 1;
+ break;
+ case '<':
+ if (delaying == 1)
+ delaying = 2;
+ break;
+ case '\0':
+ delaying = 0;
+ break;
+ default:
+ if (delaying) {
+ s = skip_delay(s);
+ if (*s == '>')
+ ++s;
+ delaying = 0;
+ }
+ break;
+ }
+ if (delaying)
+ ++s;
+ } while (delaying);
+ return s;
+}
+
+#define DATA(name) { #name }
+static const char sgr_names[][11] =
+{
+ DATA(none),
+ DATA(standout),
+ DATA(underline),
+ DATA(reverse),
+ DATA(blink),
+ DATA(dim),
+ DATA(bold),
+ DATA(invis),
+ DATA(protect),
+ DATA(altcharset),
+ ""
+};
+#undef DATA
+
+/*
+ * An sgr string may contain several settings other than the one we're
+ * interested in, essentially sgr0 + rmacs + whatever. As long as the
+ * "whatever" is contained in the sgr string, that is close enough for our
+ * sanity check.
+ */
+static bool
+similar_sgr(int num, char *a, char *b)
+{
+ char *base_a = a;
+ char *base_b = b;
+ int delaying = 0;
+
+ while (*b != 0) {
+ while (*a != *b) {
+ if (*a == 0) {
+ if (num < 0) {
+ ;
+ } else if (b[0] == '$'
+ && b[1] == '<') {
+ _nc_warning("Did not find delay %s", _nc_visbuf(b));
+ } else {
+ _nc_warning("checking sgr(%s) %s\n\tcompare to %s\n\tunmatched %s",
+ sgr_names[num], _nc_visbuf2(1, base_a),
+ _nc_visbuf2(2, base_b),
+ _nc_visbuf2(3, b));
+ }
+ return FALSE;
+ } else if (delaying) {
+ a = skip_delay(a);
+ b = skip_delay(b);
+ } else if ((*b == '0' || (*b == ';')) && *a == 'm') {
+ b++;
+ } else {
+ a++;
+ }
+ }
+ switch (*a) {
+ case '$':
+ if (delaying == 0)
+ delaying = 1;
+ break;
+ case '<':
+ if (delaying == 1)
+ delaying = 2;
+ break;
+ default:
+ delaying = 0;
+ break;
+ }
+ a++;
+ b++;
+ }
+ /* ignore delays on the end of the string */
+ a = ignore_delays(a);
+ return ((num != 0) || (*a == 0));
+}
+
+static char *
+check_sgr(TERMTYPE2 *tp, char *zero, int num, char *cap, const char *name)
+{
+ char *test;
+
+ _nc_tparm_err = 0;
+ test = TPARM_9(set_attributes,
+ num == 1,
+ num == 2,
+ num == 3,
+ num == 4,
+ num == 5,
+ num == 6,
+ num == 7,
+ num == 8,
+ num == 9);
+ if (test != 0) {
+ if (PRESENT(cap)) {
+ if (!similar_sgr(num, test, cap)) {
+ _nc_warning("%s differs from sgr(%d)\n\t%s=%s\n\tsgr(%d)=%s",
+ name, num,
+ name, _nc_visbuf2(1, cap),
+ num, _nc_visbuf2(2, test));
+ }
+ } else if (_nc_capcmp(test, zero)) {
+ _nc_warning("sgr(%d) present, but not %s", num, name);
+ }
+ } else if (PRESENT(cap)) {
+ _nc_warning("sgr(%d) missing, but %s present", num, name);
+ }
+ if (_nc_tparm_err)
+ _nc_warning("stack error in sgr(%d) string", num);
+ return test;
+}
+
+#define CHECK_SGR(num,name) check_sgr(tp, zero, num, name, #name)
+
+#ifdef TRACE
+/*
+ * If tic is compiled with TRACE, we'll be able to see the output from the
+ * DEBUG() macro. But since it doesn't use traceon(), it always goes to
+ * the standard error. Use this function to make it simpler to follow the
+ * resulting debug traces.
+ */
+static void
+show_where(unsigned level)
+{
+ if (_nc_tracing >= DEBUG_LEVEL(level)) {
+ char my_name[MAX_NAME_SIZE];
+ _nc_get_type(my_name);
+ _tracef("\"%s\", line %d, '%s'",
+ _nc_get_source(),
+ _nc_curr_line, my_name);
+ }
+}
+
+#else
+#define show_where(level) /* nothing */
+#endif
+
+typedef struct {
+ int keycode;
+ const char *name;
+ const char *value;
+} NAME_VALUE;
+
+static NAME_VALUE *
+get_fkey_list(TERMTYPE2 *tp)
+{
+ NAME_VALUE *result = typeMalloc(NAME_VALUE, NUM_STRINGS(tp) + 1);
+ const struct tinfo_fkeys *all_fkeys = _nc_tinfo_fkeys;
+ int used = 0;
+ unsigned j;
+
+ if (result == 0)
+ failed("get_fkey_list");
+
+ for (j = 0; all_fkeys[j].code; j++) {
+ char *a = tp->Strings[all_fkeys[j].offset];
+ if (VALID_STRING(a)) {
+ result[used].keycode = (int) all_fkeys[j].code;
+ result[used].name = strnames[all_fkeys[j].offset];
+ result[used].value = a;
+ ++used;
+ }
+ }
+#if NCURSES_XNAMES
+ for (j = STRCOUNT; j < NUM_STRINGS(tp); ++j) {
+ const char *name = ExtStrname(tp, (int) j, strnames);
+ if (*name == 'k') {
+ result[used].keycode = -1;
+ result[used].name = name;
+ result[used].value = tp->Strings[j];
+ ++used;
+ }
+ }
+#endif
+ result[used].keycode = 0;
+ return result;
+}
+
+static void
+show_fkey_name(NAME_VALUE * data)
+{
+ if (data->keycode > 0) {
+ fprintf(stderr, " %s", keyname(data->keycode));
+ fprintf(stderr, " (capability \"%s\")", data->name);
+ } else {
+ fprintf(stderr, " capability \"%s\"", data->name);
+ }
+}
+
+/*
+ * A terminal entry may contain more than one keycode assigned to a given
+ * string (e.g., KEY_END and KEY_LL). But curses will only return one (the
+ * last one assigned).
+ */
+static void
+check_conflict(TERMTYPE2 *tp)
+{
+ bool conflict = FALSE;
+ unsigned j, k;
+
+ if (!(_nc_syntax == SYN_TERMCAP && capdump)) {
+ char *check = calloc((size_t) (NUM_STRINGS(tp) + 1), sizeof(char));
+ NAME_VALUE *given = get_fkey_list(tp);
+
+ if (check == 0)
+ failed("check_conflict");
+
+ for (j = 0; given[j].keycode; ++j) {
+ const char *a = given[j].value;
+ bool first = TRUE;
+
+ if (!VALID_STRING(a))
+ continue;
+
+ for (k = j + 1; given[k].keycode; k++) {
+ const char *b = given[k].value;
+
+ if (!VALID_STRING(b))
+ continue;
+ if (check[k])
+ continue;
+
+ if (!_nc_capcmp(a, b)) {
+ check[j] = 1;
+ check[k] = 1;
+ if (first) {
+ if (!conflict) {
+ _nc_warning("Conflicting key definitions (using the last)");
+ conflict = TRUE;
+ }
+ fprintf(stderr, "...");
+ show_fkey_name(given + j);
+ fprintf(stderr, " is the same as");
+ show_fkey_name(given + k);
+ first = FALSE;
+ } else {
+ fprintf(stderr, ", ");
+ show_fkey_name(given + k);
+ }
+ }
+ }
+ if (!first)
+ fprintf(stderr, "\n");
+ }
+#if NCURSES_XNAMES
+ if (using_extensions) {
+ /* *INDENT-OFF* */
+ static struct {
+ const char *xcurses;
+ const char *shifted;
+ } table[] = {
+ { "kDC", NULL },
+ { "kDN", "kind" },
+ { "kEND", NULL },
+ { "kHOM", NULL },
+ { "kLFT", NULL },
+ { "kNXT", NULL },
+ { "kPRV", NULL },
+ { "kRIT", NULL },
+ { "kUP", "kri" },
+ { NULL, NULL },
+ };
+ /* *INDENT-ON* */
+
+ /*
+ * SVr4 curses defines the "xcurses" names listed above except for
+ * the special cases in the "shifted" column. When using these
+ * names for xterm's extensions, that was confusing, and resulted
+ * in adding extended capabilities with "2" (shift) suffix. This
+ * check warns about unnecessary use of extensions for this quirk.
+ */
+ for (j = 0; given[j].keycode; ++j) {
+ const char *find = given[j].name;
+ int value;
+ char ch;
+
+ if (!VALID_STRING(given[j].value))
+ continue;
+
+ for (k = 0; table[k].xcurses; ++k) {
+ const char *test = table[k].xcurses;
+ size_t size = strlen(test);
+
+ if (!strncmp(find, test, size) && strcmp(find, test)) {
+ switch (sscanf(find + size, "%d%c", &value, &ch)) {
+ case 1:
+ if (value == 2) {
+ _nc_warning("expected '%s' rather than '%s'",
+ (table[k].shifted
+ ? table[k].shifted
+ : test), find);
+ } else if (value < 2 || value > 15) {
+ _nc_warning("expected numeric 2..15 '%s'", find);
+ }
+ break;
+ default:
+ _nc_warning("expected numeric suffix for '%s'", find);
+ break;
+ }
+ break;
+ }
+ }
+ }
+ }
+#endif
+ free(given);
+ free(check);
+ }
+}
+
+/*
+ * Exiting a video mode should not duplicate sgr0
+ */
+static void
+check_exit_attribute(const char *name, char *test, char *trimmed, char *untrimmed)
+{
+ if (VALID_STRING(test) && (trimmed != 0)) {
+ if (similar_sgr(-1, trimmed, test) ||
+ similar_sgr(-1, untrimmed, test)) {
+ _nc_warning("%s matches exit_attribute_mode", name);
+ }
+ }
+}
+
+/*
+ * Returns true if the string looks like a standard SGR string.
+ */
+static bool
+is_sgr_string(char *value)
+{
+ bool result = FALSE;
+
+ if (VALID_STRING(value)) {
+ int skip = csi_length(value);
+
+ if (skip) {
+ int ch;
+
+ result = TRUE;
+ value += skip;
+ while ((ch = UChar(*value++)) != '\0') {
+ if (isdigit(ch) || ch == ';') {
+ ;
+ } else if (ch == 'm' && *value == '\0') {
+ ;
+ } else {
+ result = FALSE;
+ break;
+ }
+ }
+ }
+ }
+ return result;
+}
+
+/*
+ * Check if the given capability contains a given SGR attribute.
+ */
+static void
+check_sgr_param(TERMTYPE2 *tp, int code, const char *name, char *value)
+{
+ if (VALID_STRING(value)) {
+ int ncv = ((code != 0) ? (1 << (code - 1)) : 0);
+ char *test = tgoto(value, 0, 0);
+ if (is_sgr_string(test)) {
+ int param = 0;
+ int count = 0;
+ int skips = 0;
+ int color = (value == set_a_foreground ||
+ value == set_a_background ||
+ value == set_foreground ||
+ value == set_background);
+ while (*test != 0) {
+ if (isdigit(UChar(*test))) {
+ param = 10 * param + (*test - '0');
+ ++count;
+ } else {
+ if (count) {
+ /*
+ * Avoid unnecessary warning for xterm 256color codes.
+ */
+ if (color && (param == 38 || param == 48))
+ skips = 3;
+ if ((skips-- <= 0) && (param == code))
+ break;
+ }
+ count = 0;
+ param = 0;
+ }
+ ++test;
+ }
+ if (count != 0 && param == code) {
+ if (code == 0 ||
+ no_color_video < 0 ||
+ !(no_color_video & ncv)) {
+ _nc_warning("\"%s\" SGR-attribute used in %s",
+ sgr_names[code],
+ name);
+ }
+ }
+ }
+ }
+}
+
+/* other sanity-checks (things that we don't want in the normal
+ * logic that reads a terminfo entry)
+ */
+static void
+check_termtype(TERMTYPE2 *tp, bool literal)
+{
+ unsigned j;
+
+ check_conflict(tp);
+
+ for_each_string(j, tp) {
+ char *a = tp->Strings[j];
+ if (VALID_STRING(a)) {
+ const char *name = ExtStrname(tp, (int) j, strnames);
+ /*
+ * If we expect parameters, or if there might be parameters,
+ * check for consistent number of parameters.
+ */
+ if (j >= SIZEOF(parametrized) ||
+ is_user_capability(name) > 0 ||
+ parametrized[j] > 0) {
+ check_params(tp, name, a, (j >= STRCOUNT));
+ }
+ check_delays(tp, ExtStrname(tp, (int) j, strnames), a);
+ if (capdump) {
+ check_infotocap(tp, (int) j, a);
+ }
+ }
+ }
+
+ check_acs(tp);
+ check_colors(tp);
+ check_cursor(tp);
+ check_keypad(tp);
+ check_printer(tp);
+ check_screen(tp);
+
+ /*
+ * These may be mismatched because the terminal description relies on
+ * restoring the cursor visibility by resetting it.
+ */
+ ANDMISSING(cursor_invisible, cursor_normal);
+ ANDMISSING(cursor_visible, cursor_normal);
+
+ if (PRESENT(cursor_visible) && PRESENT(cursor_normal)
+ && !_nc_capcmp(cursor_visible, cursor_normal))
+ _nc_warning("cursor_visible is same as cursor_normal");
+
+ /*
+ * From XSI & O'Reilly, we gather that sc/rc are required if csr is
+ * given, because the cursor position after the scrolling operation is
+ * performed is undefined.
+ */
+ ANDMISSING(change_scroll_region, save_cursor);
+ ANDMISSING(change_scroll_region, restore_cursor);
+
+ /*
+ * If we can clear tabs, we should be able to initialize them.
+ */
+ ANDMISSING(clear_all_tabs, set_tab);
+
+ if (PRESENT(set_attributes)) {
+ char *zero = 0;
+
+ _nc_tparm_err = 0;
+ if (PRESENT(exit_attribute_mode)) {
+ zero = strdup(CHECK_SGR(0, exit_attribute_mode));
+ } else {
+ zero = strdup(TPARM_9(set_attributes, 0, 0, 0, 0, 0, 0, 0, 0, 0));
+ }
+ if (_nc_tparm_err)
+ _nc_warning("stack error in sgr(0) string");
+
+ if (zero != 0) {
+ CHECK_SGR(1, enter_standout_mode);
+ CHECK_SGR(2, enter_underline_mode);
+ CHECK_SGR(3, enter_reverse_mode);
+ CHECK_SGR(4, enter_blink_mode);
+ CHECK_SGR(5, enter_dim_mode);
+ CHECK_SGR(6, enter_bold_mode);
+ CHECK_SGR(7, enter_secure_mode);
+ CHECK_SGR(8, enter_protected_mode);
+ CHECK_SGR(9, enter_alt_charset_mode);
+ free(zero);
+ } else {
+ _nc_warning("sgr(0) did not return a value");
+ }
+ } else if (PRESENT(exit_attribute_mode) &&
+ set_attributes != CANCELLED_STRING) {
+ if (_nc_syntax == SYN_TERMINFO)
+ _nc_warning("missing sgr string");
+ }
+#define CHECK_SGR0(name) check_exit_attribute(#name, name, check_sgr0, exit_attribute_mode)
+ if (PRESENT(exit_attribute_mode)) {
+ char *check_sgr0 = _nc_trim_sgr0(tp);
+
+ if (check_sgr0 == 0 || *check_sgr0 == '\0') {
+ _nc_warning("trimmed sgr0 is empty");
+ } else {
+ show_where(2);
+ if (check_sgr0 != exit_attribute_mode) {
+ DEBUG(2,
+ ("will trim sgr0\n\toriginal sgr0=%s\n\ttrimmed sgr0=%s",
+ _nc_visbuf2(1, exit_attribute_mode),
+ _nc_visbuf2(2, check_sgr0)));
+ } else {
+ DEBUG(2,
+ ("will not trim sgr0\n\toriginal sgr0=%s",
+ _nc_visbuf(exit_attribute_mode)));
+ }
+ }
+#if defined(exit_italics_mode)
+ CHECK_SGR0(exit_italics_mode);
+#endif
+ CHECK_SGR0(exit_standout_mode);
+ CHECK_SGR0(exit_underline_mode);
+ if (check_sgr0 != exit_attribute_mode) {
+ free(check_sgr0);
+ }
+ }
+#define CHECK_SGR_PARAM(code, name) check_sgr_param(tp, (int)code, #name, name)
+ for (j = 0; *sgr_names[j] != '\0'; ++j) {
+ CHECK_SGR_PARAM(j, set_a_foreground);
+ CHECK_SGR_PARAM(j, set_a_background);
+ CHECK_SGR_PARAM(j, set_foreground);
+ CHECK_SGR_PARAM(j, set_background);
+ }
+#ifdef TRACE
+ show_where(2);
+ if (!auto_right_margin) {
+ DEBUG(2,
+ ("can write to lower-right directly"));
+ } else if (PRESENT(enter_am_mode) && PRESENT(exit_am_mode)) {
+ DEBUG(2,
+ ("can write to lower-right by suppressing automargin"));
+ } else if ((PRESENT(enter_insert_mode) && PRESENT(exit_insert_mode))
+ || PRESENT(insert_character) || PRESENT(parm_ich)) {
+ DEBUG(2,
+ ("can write to lower-right by using inserts"));
+ } else {
+ DEBUG(2,
+ ("cannot write to lower-right"));
+ }
+#endif
+
+ /*
+ * Some standard applications (e.g., vi) and some non-curses
+ * applications (e.g., jove) get confused if we have both ich1 and
+ * smir/rmir. Let's be nice and warn about that, too, even though
+ * ncurses handles it.
+ */
+ if ((PRESENT(enter_insert_mode) || PRESENT(exit_insert_mode))
+ && PRESENT(parm_ich)) {
+ _nc_warning("non-curses applications may be confused by ich1 with smir/rmir");
+ }
+
+ /*
+ * Finally, do the non-verbose checks
+ */
+ if (save_check_termtype != 0)
+ save_check_termtype(tp, literal);