+ result = (same == limit);
+ }
+ return result;
+}
+
+/*
+ * Check if the color capabilities are consistent
+ */
+static void
+check_colors(TERMTYPE2 *tp)
+{
+ char *value;
+
+ if ((max_colors > 0) != (max_pairs > 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);
+
+ 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");
+ }
+ }
+ value = tigetstr("RGB");
+ if (VALID_STRING(value)) {
+ int r, g, b;
+ char bad;
+ int code = sscanf(value, "%d/%d/%d%c", &r, &g, &b, &bad);
+ if (code != 3 || r <= 0 || g <= 0 || b <= 0) {
+ _nc_warning("unexpected value for RGB capability: %s", value);
+ }
+ }
+}
+
+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)
+{
+ int ch;
+ long result = -1;
+
+ if ((ch = keypad_final(string)) != '\0') {
+ const char *list = "PQRSwxymtuvlqrsPpn"; /* app-keypad except "Enter" */
+ char *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;
+ 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", value);
+ repeated = TRUE;
+ }
+ }
+ }
+ if (!repeated) {
+ char *up = list[1];
+ size_t prefix = (size_t) csi_length(up);
+ size_t suffix;
+
+ 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) {
+ int want;
+
+ 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", value);
+ continue;
+ }
+ if (strlen(list[j]) < suffix) {
+ char *value = _nc_tic_expand(list[j], TRUE, 0);
+ _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",
+ 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, '+') == NULL) {
+ 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;
+
+ 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)) {
+ long last;
+
+ show[0] = '\0';
+
+ for (j = 0, last = -1; j < MAX_KP; ++j) {
+ int k;
+ int kk;
+ long test;
+
+ 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.
+ * note: parameterized/non-parameterized margin settings are unrelated.
+ */
+#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
+}
+
+#if NCURSES_XNAMES
+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 (_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;
+ const char *name_39_49 = "orig_pair or orig_colors";
+ char *name = _nc_first_name(tp->term_names);
+ bool is_screen = !strncmp(name, "screen", 6);
+ bool screen_base = (is_screen
+ && strchr(name, '.') == NULL);
+
+ 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 (have_bce) {
+ if (VALID_STRING(orig_pair)) {
+ name_39_49 = "orig_pair";
+ use_sgr_39_49 = uses_SGR_39_49(orig_pair);
+ }
+ if (!use_sgr_39_49 && VALID_STRING(orig_colors)) {
+ name_39_49 = "orig_colors";
+ use_sgr_39_49 = uses_SGR_39_49(orig_colors);
+ }
+ }
+
+ 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) {
+ char *s;
+
+ 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 (max_colors > 0) {
+ if (!have_bce) {
+ _nc_warning("expected bce capability with XT");
+ } else if (!use_sgr_39_49) {
+ _nc_warning("expected %s capability with XT "
+ "to have 39/49 parameters", name_39_49);
+ }
+ }
+ 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, '+') == NULL) {
+ _nc_warning("expected XT to be set, given kmous");
+ }
+ }
+ }
+}
+#else
+#define check_screen(tp) /* nothing */
+#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;
+}
+
+/*
+ * Check for user-capabilities that happen to be used in ncurses' terminal
+ * database.
+ */
+#if NCURSES_XNAMES
+static struct user_table_entry const *
+lookup_user_capability(const char *name)
+{
+ struct user_table_entry const *result = 0;
+ if (*name != 'k') {
+ result = _nc_find_user_entry(name);
+ }
+ return result;
+}
+#endif
+
+/*
+ * If a given name is likely to be a user-capability, return the number of
+ * parameters it would be used with. If not, return -1.
+ *
+ * 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.
+ *
+ * The other string-capability extensions (see terminfo.src) which could have
+ * parameters such as "Ss", "%u", are not used by ncurses. But we check those
+ * anyway, to validate the terminfo database.
+ */
+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;
+ }
+#if NCURSES_XNAMES
+ else if (using_extensions) {
+ struct user_table_entry const *p = lookup_user_capability(name);
+ if (p != 0) {
+ result = (int) p->ute_argc;
+ }
+ }
+#endif
+ 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, const char *value, int extended)
+{
+ int expected = expected_params(name);
+ int actual = 0;
+ int n;
+ bool params[1 + NUM_PARM];
+ 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")
+ && !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
+
+ 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 NCURSES_XNAMES
+ if (extended) {
+ int check = is_user_capability(name);
+ if (check != actual && (check >= 0 && actual >= 0)) {
+ _nc_warning("extended %s capability has %d parameters, expected %d",
+ name, actual, check);
+ } else if (debug_level > 1) {
+ _nc_warning("extended %s capability has %d parameters, as expected",
+ name, actual);
+ }
+ expected = actual;
+ }
+#else
+ (void) extended;
+#endif
+
+ 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.
+ */
+ _nc_reset_tparm(NULL);
+ if (actual >= 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 (actual != analyzed && expected != analyzed) {
+#if NCURSES_XNAMES
+ 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, expected %d",
+ analyzed, name, user_cap);
+ } else
+#endif
+ {
+ _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;
+ }
+ }
+ }
+ }
+}
+
+/*
+ * 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 mixed = FALSE;
+ int proportional = 0;
+ int mandatory = 0;
+
+ first = p;
+
+ for (q = base; *q != '\0'; ++q) {
+ if (*q == '>') {
+ if (mark == NULL)
+ mark = q;
+ break;
+ } else if (*q == '*' || *q == '/') {
+ if (*q == '*')
+ ++proportional;
+ if (*q == '/')
+ ++mandatory;
+ if (mark == NULL)
+ mark = q;
+ } else if (!(isalnum(UChar(*q)) || strchr("+-.", *q) != 0)) {
+ break;
+ } else if (proportional || mandatory) {
+ mixed = TRUE;
+ }
+ }
+ last = *q ? (q + 1) : q;
+ if (*q != '\0') {
+ float check_f;
+ char check_c;
+ int rc = sscanf(base, "%f%c", &check_f, &check_c);
+ if ((rc != 2) || (mark != NULL && (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), '+') == NULL) {
+ _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 &&
+ 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;
+ TParams expect;
+ TParams actual;
+ int nparam;
+
+ *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;
+ }
+
+ _nc_reset_tparm(NULL);
+ expect = tparm_type(name);
+ nparam = _nc_tparm_analyze(NULL, value, p_is_s, &ignored);
+ actual = guess_tparm_type(nparam, p_is_s);
+
+ if (expect != actual) {
+ _nc_warning("%s has mismatched parameters", name);
+ actual = Other;
+ }
+
+ _nc_reset_tparm(NULL);
+ switch (actual) {
+ 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:
+#define myParam(n) numbers[n]
+ result = TIPARM_9(value,
+ myParam(1),
+ myParam(2),
+ myParam(3),
+ myParam(4),
+ myParam(5),
+ myParam(6),
+ myParam(7),
+ myParam(8),
+ myParam(9));
+#undef myParam
+ break;
+ case Other:
+ default:
+#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));
+#undef myParam
+ break;
+ }
+ return strdup(result);
+}