ncurses 5.9 - patch 20131012
[ncurses.git] / progs / tic.c
index 5f08270963715febfc3c27a3ddda3966efa5107d..6ee1766604343a6f7b9b5e068bcc67b0622b34f4 100644 (file)
@@ -1,5 +1,5 @@
 /****************************************************************************
- * Copyright (c) 1998,1999 Free Software Foundation, Inc.                   *
+ * Copyright (c) 1998-2012,2013 Free Software Foundation, Inc.              *
  *                                                                          *
  * Permission is hereby granted, free of charge, to any person obtaining a  *
  * copy of this software and associated documentation files (the            *
 /****************************************************************************
  *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
  *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
+ *     and: Thomas E. Dickey                        1996 on                 *
  ****************************************************************************/
 
 /*
  *     tic.c --- Main program for terminfo compiler
  *                     by Eric S. Raymond
+ *                     and Thomas E Dickey
  *
  */
 
 #include <progs.priv.h>
+#include <sys/stat.h>
 
 #include <dump_entry.h>
-#include <term_entry.h>
+#include <hashed_db.h>
+#include <transform.h>
 
-MODULE_ID("$Id: tic.c,v 1.52 1999/09/25 22:47:54 tom Exp $")
+MODULE_ID("$Id: tic.c,v 1.188 2013/08/24 21:48:21 tom Exp $")
 
-const char *_nc_progname = "tic";
-
-static FILE    *log_fp;
-static FILE    *tmp_fp;
-static bool    showsummary = FALSE;
-static const char *to_remove;
+#define STDIN_NAME "<stdin>"
 
-static void    (*save_check_termtype)(TERMTYPE *);
-static void    check_termtype(TERMTYPE *tt);
+const char *_nc_progname = "tic";
 
-static const   char usage_string[] = "[-h] [-v[n]] [-e names] [-CILNRTcfrswx1] source-file\n";
+static FILE *log_fp;
+static FILE *tmp_fp;
+static bool capdump = FALSE;   /* running as infotocap? */
+static bool infodump = FALSE;  /* running as captoinfo? */
+static bool showsummary = FALSE;
+static char **namelst = 0;
+static const char *to_remove;
+
+static void (*save_check_termtype) (TERMTYPE *, bool);
+static void check_termtype(TERMTYPE *tt, bool);
+
+static const char usage_string[] = "\
+[-e names] \
+[-o dir] \
+[-R name] \
+[-v[n]] \
+[-V] \
+[-w[n]] \
+[-\
+1\
+a\
+C\
+D\
+c\
+f\
+G\
+g\
+I\
+K\
+L\
+N\
+r\
+s\
+T\
+t\
+U\
+x\
+] \
+source-file\n";
+
+#if NO_LEAKS
+static void
+free_namelist(char **src)
+{
+    if (src != 0) {
+       int n;
+       for (n = 0; src[n] != 0; ++n)
+           free(src[n]);
+       free(src);
+    }
+}
+#endif
 
-static void cleanup(void)
+static void
+cleanup(void)
 {
-       if (tmp_fp != 0)
-               fclose(tmp_fp);
-       if (to_remove != 0) {
+    int rc;
+
+#if NO_LEAKS
+    free_namelist(namelst);
+#endif
+    if (tmp_fp != 0)
+       fclose(tmp_fp);
+    if (to_remove != 0) {
 #if HAVE_REMOVE
-               remove(to_remove);
+       rc = remove(to_remove);
 #else
-               unlink(to_remove);
+       rc = unlink(to_remove);
 #endif
-       }
+       if (rc != 0)
+           perror(to_remove);
+    }
 }
 
-static void failed(const char *msg)
+static void
+failed(const char *msg)
 {
-       perror(msg);
-       cleanup();
-       exit(EXIT_FAILURE);
+    perror(msg);
+    ExitProgram(EXIT_FAILURE);
 }
 
-static void usage(void)
+static void
+usage(void)
 {
-       static const char *const tbl[] = {
+    static const char *const tbl[] =
+    {
        "Options:",
        "  -1         format translation output one capability per line",
+#if NCURSES_XNAMES
+       "  -a         retain commented-out capabilities (sets -x also)",
+#endif
+       "  -K         translate entries to termcap source form with BSD syntax",
        "  -C         translate entries to termcap source form",
-       "  -I         translate entries to terminfo source form",
-       "  -L         translate entries to full terminfo source form",
-       "  -N         disable smart defaults for source translation",
-       "  -R         restrict translation to given terminfo/termcap version",
-       "  -T         remove size-restrictions on compiled description",
+       "  -D         print list of tic's database locations (first must be writable)",
        "  -c         check only, validate input without compiling or translating",
+       "  -e<names>  translate/compile only entries named by comma-separated list",
        "  -f         format complex strings for readability",
        "  -G         format %{number} to %'char'",
        "  -g         format %'char' to %{number}",
-       "  -e<names>  translate/compile only entries named by comma-separated list",
+       "  -I         translate entries to terminfo source form",
+       "  -L         translate entries to full terminfo source form",
+       "  -N         disable smart defaults for source translation",
        "  -o<dir>    set output directory for compiled entry writes",
+       "  -R<name>   restrict translation to given terminfo/termcap version",
        "  -r         force resolution of all use entries in source translation",
        "  -s         print summary statistics",
+       "  -T         remove size-restrictions on compiled description",
+#if NCURSES_XNAMES
+       "  -t         suppress commented-out capabilities",
+#endif
+       "  -U         suppress post-processing of entries",
+       "  -V         print version",
        "  -v[n]      set verbosity level",
        "  -w[n]      set format width for translation output",
 #if NCURSES_XNAMES
@@ -103,72 +172,76 @@ static void usage(void)
        "",
        "Parameters:",
        "  <file>     file to translate or compile"
-       };
-       size_t j;
+    };
+    size_t j;
 
-       printf("Usage: %s %s\n", _nc_progname, usage_string);
-       for (j = 0; j < sizeof(tbl)/sizeof(tbl[0]); j++)
-               puts(tbl[j]);
-       exit(EXIT_FAILURE);
+    fprintf(stderr, "Usage: %s %s\n", _nc_progname, usage_string);
+    for (j = 0; j < SIZEOF(tbl); j++) {
+       fputs(tbl[j], stderr);
+       putc('\n', stderr);
+    }
+    ExitProgram(EXIT_FAILURE);
 }
 
 #define L_BRACE '{'
 #define R_BRACE '}'
-#define S_QUOTE '\'';
+#define S_QUOTE '\''
 
-static void write_it(ENTRY *ep)
+static void
+write_it(ENTRY * ep)
 {
-       unsigned n;
-       int ch;
-       char *s, *d, *t;
-       char result[MAX_ENTRY_SIZE];
+    unsigned n;
+    int ch;
+    char *s, *d, *t;
+    char result[MAX_ENTRY_SIZE];
 
-       /*
-        * Look for strings that contain %{number}, convert them to %'char',
-        * which is shorter and runs a little faster.
-        */
-       for (n = 0; n < STRCOUNT; n++) {
-               s = ep->tterm.Strings[n];
-               if (VALID_STRING(s)
-                && strchr(s, L_BRACE) != 0) {
-                       d = result;
-                       t = s;
-                       while ((ch = *t++) != 0) {
-                               *d++ = ch;
-                               if (ch == '\\') {
-                                       *d++ = *t++;
-                               } else if ((ch == '%')
-                                && (*t == L_BRACE)) {
-                                       char *v = 0;
-                                       long value = strtol(t+1, &v, 0);
-                                       if (v != 0
-                                        && *v == R_BRACE
-                                        && value > 0
-                                        && value != '\\'       /* FIXME */
-                                        && value < 127
-                                        && isprint((int)value)) {
-                                               *d++ = S_QUOTE;
-                                               *d++ = (int)value;
-                                               *d++ = S_QUOTE;
-                                               t = (v + 1);
-                                       }
-                               }
-                       }
-                       *d = 0;
-                       if (strlen(result) < strlen(s))
-                               strcpy(s, result);
+    /*
+     * Look for strings that contain %{number}, convert them to %'char',
+     * which is shorter and runs a little faster.
+     */
+    for (n = 0; n < STRCOUNT; n++) {
+       s = ep->tterm.Strings[n];
+       if (VALID_STRING(s)
+           && strchr(s, L_BRACE) != 0) {
+           d = result;
+           t = s;
+           while ((ch = *t++) != 0) {
+               *d++ = (char) ch;
+               if (ch == '\\') {
+                   *d++ = *t++;
+               } else if ((ch == '%')
+                          && (*t == L_BRACE)) {
+                   char *v = 0;
+                   long value = strtol(t + 1, &v, 0);
+                   if (v != 0
+                       && *v == R_BRACE
+                       && value > 0
+                       && value != '\\'        /* FIXME */
+                       && value < 127
+                       && isprint((int) value)) {
+                       *d++ = S_QUOTE;
+                       *d++ = (char) value;
+                       *d++ = S_QUOTE;
+                       t = (v + 1);
+                   }
                }
+           }
+           *d = 0;
+           if (strlen(result) < strlen(s))
+               _nc_STRCPY(s, result, strlen(s) + 1);
        }
+    }
 
-       _nc_set_type(_nc_first_name(ep->tterm.term_names));
-       _nc_curr_line = ep->startline;
-       _nc_write_entry(&ep->tterm);
+    _nc_set_type(_nc_first_name(ep->tterm.term_names));
+    _nc_curr_line = (int) ep->startline;
+    _nc_write_entry(&ep->tterm);
 }
 
-static bool immedhook(ENTRY *ep GCC_UNUSED)
+static bool
+immedhook(ENTRY * ep GCC_UNUSED)
 /* write out entries with no use capabilities immediately to save storage */
 {
-#ifndef HAVE_BIG_CORE
+#if !HAVE_BIG_CORE
     /*
      * This is strictly a core-economy kluge.  The really clean way to handle
      * compilation is to slurp the whole file into core and then do all the
@@ -202,511 +275,760 @@ static bool immedhook(ENTRY *ep GCC_UNUSED)
      * make tic a bit faster (because the resolution code won't have to do
      * disk I/O nearly as often).
      */
-    if (ep->nuses == 0)
-    {
-       int     oldline = _nc_curr_line;
+    if (ep->nuses == 0) {
+       int oldline = _nc_curr_line;
 
        write_it(ep);
        _nc_curr_line = oldline;
        free(ep->tterm.str_table);
-       return(TRUE);
+       return (TRUE);
     }
 #endif /* HAVE_BIG_CORE */
-    return(FALSE);
+    return (FALSE);
 }
 
-static void put_translate(int c)
+static void
+put_translate(int c)
 /* emit a comment char, translating terminfo names to termcap names */
 {
     static bool in_name = FALSE;
-    static char namebuf[132], suffix[132], *sp;
+    static size_t have, used;
+    static char *namebuf, *suffix;
+
+    if (in_name) {
+       if (used + 1 >= have) {
+           have += 132;
+           if ((namebuf = typeRealloc(char, have, namebuf)) == 0)
+                 failed("put_translate namebuf");
+           if ((suffix = typeRealloc(char, have, suffix)) == 0)
+                 failed("put_translate suffix");
+       }
+       if (c == '\n' || c == '@') {
+           namebuf[used++] = '\0';
+           (void) putchar('<');
+           (void) fputs(namebuf, stdout);
+           putchar(c);
+           in_name = FALSE;
+       } else if (c != '>') {
+           namebuf[used++] = (char) c;
+       } else {                /* ah! candidate name! */
+           char *up;
+           NCURSES_CONST char *tp;
+
+           namebuf[used++] = '\0';
+           in_name = FALSE;
+
+           suffix[0] = '\0';
+           if ((up = strchr(namebuf, '#')) != 0
+               || (up = strchr(namebuf, '=')) != 0
+               || ((up = strchr(namebuf, '@')) != 0 && up[1] == '>')) {
+               _nc_STRCPY(suffix, up, have);
+               *up = '\0';
+           }
 
-    if (!in_name)
-    {
-       if (c == '<')
-       {
-           in_name = TRUE;
-           sp = namebuf;
+           if ((tp = nametrans(namebuf)) != 0) {
+               (void) putchar(':');
+               (void) fputs(tp, stdout);
+               (void) fputs(suffix, stdout);
+               (void) putchar(':');
+           } else {
+               /* couldn't find a translation, just dump the name */
+               (void) putchar('<');
+               (void) fputs(namebuf, stdout);
+               (void) fputs(suffix, stdout);
+               (void) putchar('>');
+           }
        }
-       else
+    } else {
+       used = 0;
+       if (c == '<') {
+           in_name = TRUE;
+       } else {
            putchar(c);
+       }
     }
-    else if (c == '\n' || c == '@')
-    {
-       *sp++ = '\0';
-       (void) putchar('<');
-       (void) fputs(namebuf, stdout);
-       putchar(c);
-       in_name = FALSE;
-    }
-    else if (c != '>')
-       *sp++ = c;
-    else               /* ah! candidate name! */
-    {
-       char    *up;
-       NCURSES_CONST char *tp;
+}
 
-       *sp++ = '\0';
-       in_name = FALSE;
+/* Returns a string, stripped of leading/trailing whitespace */
+static char *
+stripped(char *src)
+{
+    char *dst = 0;
 
-       suffix[0] = '\0';
-       if ((up = strchr(namebuf, '#')) != 0
-        || (up = strchr(namebuf, '=')) != 0
-        || ((up = strchr(namebuf, '@')) != 0 && up[1] == '>'))
-       {
-           (void) strcpy(suffix, up);
-           *up = '\0';
-       }
+    while (isspace(UChar(*src)))
+       src++;
 
-       if ((tp = nametrans(namebuf)) != 0)
-       {
-           (void) putchar(':');
-           (void) fputs(tp, stdout);
-           (void) fputs(suffix, stdout);
-           (void) putchar(':');
-       }
-       else
-       {
-           /* couldn't find a translation, just dump the name */
-           (void) putchar('<');
-           (void) fputs(namebuf, stdout);
-           (void) fputs(suffix, stdout);
-           (void) putchar('>');
+    if (*src != '\0') {
+       size_t len;
+
+       if ((dst = strdup(src)) == NULL) {
+           failed("strdup");
+       } else {
+           len = strlen(dst);
+           while (--len != 0 && isspace(UChar(dst[len])))
+               dst[len] = '\0';
        }
+    }
+    return dst;
+}
+
+static FILE *
+open_tempfile(char *filename)
+{
+    FILE *result = 0;
 
+    _nc_STRCPY(filename, "/tmp/XXXXXX", PATH_MAX);
+#if HAVE_MKSTEMP
+    {
+       int oldmask = (int) umask(077);
+       int fd = mkstemp(filename);
+       if (fd >= 0)
+           result = fdopen(fd, "w");
+       umask((mode_t) oldmask);
     }
+#else
+    if (tmpnam(filename) != 0)
+       result = fopen(filename, "w");
+#endif
+    return result;
 }
 
-/* Returns a string, stripped of leading/trailing whitespace */
-static char *stripped(char *src)
+static FILE *
+copy_input(FILE *source, const char *filename, char *alt_file)
 {
-       while (isspace(*src))
-               src++;
-       if (*src != '\0') {
-               char *dst = strcpy(malloc(strlen(src)+1), src);
-               size_t len = strlen(dst);
-               while (--len != 0 && isspace(dst[len]))
-                       dst[len] = '\0';
-               return dst;
+    char my_altfile[PATH_MAX];
+    FILE *result = 0;
+    FILE *target = 0;
+    int ch;
+
+    if (alt_file == 0)
+       alt_file = my_altfile;
+
+    if (source == 0) {
+       failed("copy_input (source)");
+    } else if ((target = open_tempfile(alt_file)) == 0) {
+       failed("copy_input (target)");
+    } else {
+       clearerr(source);
+       for (;;) {
+           ch = fgetc(source);
+           if (feof(source)) {
+               break;
+           } else if (ferror(source)) {
+               failed(filename);
+           } else if (ch == 0) {
+               /* don't loop in case someone wants to convert /dev/zero */
+               fprintf(stderr, "%s: %s is not a text-file\n", _nc_progname, filename);
+               ExitProgram(EXIT_FAILURE);
+           }
+           fputc(ch, target);
        }
-       return 0;
+       fclose(source);
+       /*
+        * rewind() does not force the target file's data to disk (not does
+        * fflush()...).  So open a second stream on the data and then close
+        * the one that we were writing on before starting to read from the
+        * second stream.
+        */
+       result = fopen(alt_file, "r+");
+       fclose(target);
+       to_remove = strdup(alt_file);
+    }
+    return result;
+}
+
+static FILE *
+open_input(const char *filename, char *alt_file)
+{
+    FILE *fp;
+    struct stat sb;
+    int mode;
+
+    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));
+       ExitProgram(EXIT_FAILURE);
+    } else if ((mode = (sb.st_mode & S_IFMT)) == S_IFDIR
+              || (mode != S_IFREG && mode != S_IFCHR)) {
+       fprintf(stderr, "%s: %s is not a file\n", _nc_progname, filename);
+       ExitProgram(EXIT_FAILURE);
+    } else {
+       fp = fopen(filename, "r");
+
+       if (fp == 0) {
+           fprintf(stderr, "%s: Can't open %s\n", _nc_progname, filename);
+           ExitProgram(EXIT_FAILURE);
+       }
+       if (mode != S_IFREG) {
+           if (alt_file != 0) {
+               FILE *fp2 = copy_input(fp, filename, alt_file);
+               fp = fp2;
+           } else {
+               fprintf(stderr, "%s: %s is not a file\n", _nc_progname, filename);
+               ExitProgram(EXIT_FAILURE);
+           }
+       }
+    }
+    return fp;
 }
 
 /* Parse the "-e" option-value into a list of names */
-static const char **make_namelist(char *src)
-{
-       const char **dst = 0;
-
-       char *s, *base;
-       unsigned pass, n, nn;
-       char buffer[BUFSIZ];
-
-       if (src == 0) {
-               /* EMPTY */;
-       } else if (strchr(src, '/') != 0) {     /* a filename */
-               FILE *fp = fopen(src, "r");
-               if (fp == 0)
-                       failed(src);
-
-               for (pass = 1; pass <= 2; pass++) {
-                       nn = 0;
-                       while (fgets(buffer, sizeof(buffer), fp) != 0) {
-                               if ((s = stripped(buffer)) != 0) {
-                                       if (dst != 0)
-                                               dst[nn] = s;
-                                       nn++;
-                               }
-                       }
-                       if (pass == 1) {
-                               dst = (const char **)calloc(nn+1, sizeof(*dst));
-                               rewind(fp);
-                       }
-               }
-               fclose(fp);
-       } else {                        /* literal list of names */
-               for (pass = 1; pass <= 2; pass++) {
-                       for (n = nn = 0, base = src; ; n++) {
-                               int mark = src[n];
-                               if (mark == ',' || mark == '\0') {
-                                       if (pass == 1) {
-                                               nn++;
-                                       } else {
-                                               src[n] = '\0';
-                                               if ((s = stripped(base)) != 0)
-                                                       dst[nn++] = s;
-                                               base = &src[n+1];
-                                       }
-                               }
-                               if (mark == '\0')
-                                       break;
-                       }
-                       if (pass == 1)
-                               dst = (const char **)calloc(nn+1, sizeof(*dst));
+static char **
+make_namelist(char *src)
+{
+    char **dst = 0;
+
+    char *s, *base;
+    unsigned pass, n, nn;
+    char buffer[BUFSIZ];
+
+    if (src == 0) {
+       /* EMPTY */ ;
+    } else if (strchr(src, '/') != 0) {                /* a filename */
+       FILE *fp = open_input(src, (char *) 0);
+
+       for (pass = 1; pass <= 2; pass++) {
+           nn = 0;
+           while (fgets(buffer, sizeof(buffer), fp) != 0) {
+               if ((s = stripped(buffer)) != 0) {
+                   if (dst != 0)
+                       dst[nn] = s;
+                   else
+                       free(s);
+                   nn++;
                }
+           }
+           if (pass == 1) {
+               if ((dst = typeCalloc(char *, nn + 1)) == 0)
+                     failed("make_namelist");
+               rewind(fp);
+           }
        }
-       if (showsummary) {
-               fprintf(log_fp, "Entries that will be compiled:\n");
-               for (n = 0; dst[n] != 0; n++)
-                       fprintf(log_fp, "%d:%s\n", n+1, dst[n]);
+       fclose(fp);
+    } else {                   /* literal list of names */
+       for (pass = 1; pass <= 2; pass++) {
+           for (n = nn = 0, base = src;; n++) {
+               int mark = src[n];
+               if (mark == ',' || mark == '\0') {
+                   if (pass == 1) {
+                       nn++;
+                   } else {
+                       src[n] = '\0';
+                       if ((s = stripped(base)) != 0)
+                           dst[nn++] = s;
+                       base = &src[n + 1];
+                   }
+               }
+               if (mark == '\0')
+                   break;
+           }
+           if (pass == 1) {
+               if ((dst = typeCalloc(char *, nn + 1)) == 0)
+                     failed("make_namelist");
+           }
        }
-       return dst;
+    }
+    if (showsummary && (dst != 0)) {
+       fprintf(log_fp, "Entries that will be compiled:\n");
+       for (n = 0; dst[n] != 0; n++)
+           fprintf(log_fp, "%u:%s\n", n + 1, dst[n]);
+    }
+    return dst;
 }
 
-static bool matches(const char **needle, const char *haystack)
+static bool
+matches(char **needle, const char *haystack)
 /* does entry in needle list match |-separated field in haystack? */
 {
-       bool code = FALSE;
-       size_t n;
-
-       if (needle != 0)
-       {
-               for (n = 0; needle[n] != 0; n++)
-               {
-                       if (_nc_name_match(haystack, needle[n], "|"))
-                       {
-                               code = TRUE;
-                               break;
-                       }
-               }
-       }
-       else
+    bool code = FALSE;
+    size_t n;
+
+    if (needle != 0) {
+       for (n = 0; needle[n] != 0; n++) {
+           if (_nc_name_match(haystack, needle[n], "|")) {
                code = TRUE;
-       return(code);
+               break;
+           }
+       }
+    } else
+       code = TRUE;
+    return (code);
 }
 
-int main (int argc, char *argv[])
+static char *
+valid_db_path(const char *nominal)
 {
-char   my_tmpname[PATH_MAX];
-int    v_opt = -1, debug_level;
-int    smart_defaults = TRUE;
-char    *termcap;
-ENTRY  *qp;
+    struct stat sb;
+#if USE_HASHED_DB
+    char suffix[] = DBM_SUFFIX;
+    size_t need = strlen(nominal) + sizeof(suffix);
+    char *result = malloc(need);
+
+    if (result == 0)
+       failed("valid_db_path");
+    _nc_STRCPY(result, nominal, need);
+    if (strcmp(result + need - sizeof(suffix), suffix)) {
+       _nc_STRCAT(result, suffix, need);
+    }
+#else
+    char *result = strdup(nominal);
+#endif
+
+    DEBUG(1, ("** stat(%s)", result));
+    if (stat(result, &sb) >= 0) {
+#if USE_HASHED_DB
+       if (!S_ISREG(sb.st_mode)
+           || access(result, R_OK | W_OK) != 0) {
+           DEBUG(1, ("...not a writable file"));
+           free(result);
+           result = 0;
+       }
+#else
+       if (!S_ISDIR(sb.st_mode)
+           || access(result, R_OK | W_OK | X_OK) != 0) {
+           DEBUG(1, ("...not a writable directory"));
+           free(result);
+           result = 0;
+       }
+#endif
+    } else {
+       /* check if parent is directory and is writable */
+       unsigned leaf = _nc_pathlast(result);
+
+       DEBUG(1, ("...not found"));
+       if (leaf) {
+           char save = result[leaf];
+           result[leaf] = 0;
+           if (stat(result, &sb) >= 0
+               && S_ISDIR(sb.st_mode)
+               && access(result, R_OK | W_OK | X_OK) == 0) {
+               result[leaf] = save;
+           } else {
+               DEBUG(1, ("...parent directory %s is not writable", result));
+               free(result);
+               result = 0;
+           }
+       } else {
+           DEBUG(1, ("... no parent directory"));
+           free(result);
+           result = 0;
+       }
+    }
+    return result;
+}
 
-int    this_opt, last_opt = '?';
+/*
+ * Show the databases to which tic could write.  The location to which it
+ * writes is always the first one.  If none are writable, print an error
+ * message.
+ */
+static void
+show_databases(const char *outdir)
+{
+    bool specific = (outdir != 0) || getenv("TERMINFO") != 0;
+    char *result;
+    const char *tried = 0;
 
-int    outform = F_TERMINFO;   /* output format */
-int    sortmode = S_TERMINFO;  /* sort_mode */
+    if (outdir == 0) {
+       outdir = _nc_tic_dir(0);
+    }
+    if ((result = valid_db_path(outdir)) != 0) {
+       printf("%s\n", result);
+       free(result);
+    } else {
+       tried = outdir;
+    }
 
-int    width = 60;
-bool   formatted = FALSE;      /* reformat complex strings? */
-int    numbers = 0;            /* format "%'char'" to/from "%{number}" */
-bool   infodump = FALSE;       /* running as captoinfo? */
-bool   capdump = FALSE;        /* running as infotocap? */
-bool   forceresolve = FALSE;   /* force resolution */
-bool   limited = TRUE;
-char   *tversion = (char *)NULL;
-const  char    *source_file = "terminfo";
-const  char    **namelst = 0;
-char   *outdir = (char *)NULL;
-bool   check_only = FALSE;
+    if ((outdir = _nc_home_terminfo())) {
+       if ((result = valid_db_path(outdir)) != 0) {
+           printf("%s\n", result);
+           free(result);
+       } else if (!specific) {
+           tried = outdir;
+       }
+    }
 
-       log_fp = stderr;
+    /*
+     * If we can write in neither location, give an error message.
+     */
+    if (tried) {
+       fflush(stdout);
+       fprintf(stderr, "%s: %s (no permission)\n", _nc_progname, tried);
+       ExitProgram(EXIT_FAILURE);
+    }
+}
 
-       if ((_nc_progname = strrchr(argv[0], '/')) == NULL)
-               _nc_progname = argv[0];
-       else
-               _nc_progname++;
+#define VtoTrace(opt) (unsigned) ((opt > 0) ? opt : (opt == 0))
 
-       infodump = (strcmp(_nc_progname, "captoinfo") == 0);
-       capdump = (strcmp(_nc_progname, "infotocap") == 0);
+int
+main(int argc, char *argv[])
+{
+    char my_tmpname[PATH_MAX];
+    char my_altfile[PATH_MAX];
+    int v_opt = -1;
+    unsigned debug_level;
+    int smart_defaults = TRUE;
+    char *termcap;
+    ENTRY *qp;
+
+    int this_opt, last_opt = '?';
+
+    int outform = F_TERMINFO;  /* output format */
+    int sortmode = S_TERMINFO; /* sort_mode */
+
+    int width = 60;
+    int height = 65535;
+    bool formatted = FALSE;    /* reformat complex strings? */
+    bool literal = FALSE;      /* suppress post-processing? */
+    int numbers = 0;           /* format "%'char'" to/from "%{number}" */
+    bool forceresolve = FALSE; /* force resolution */
+    bool limited = TRUE;
+    char *tversion = (char *) NULL;
+    const char *source_file = "terminfo";
+    char *outdir = (char *) NULL;
+    bool check_only = FALSE;
+    bool suppress_untranslatable = FALSE;
+
+    log_fp = stderr;
+
+    _nc_progname = _nc_rootname(argv[0]);
+    atexit(cleanup);
+
+    if ((infodump = same_program(_nc_progname, PROG_CAPTOINFO)) != FALSE) {
+       outform = F_TERMINFO;
+       sortmode = S_TERMINFO;
+    }
+    if ((capdump = same_program(_nc_progname, PROG_INFOTOCAP)) != FALSE) {
+       outform = F_TERMCAP;
+       sortmode = S_TERMCAP;
+    }
 #if NCURSES_XNAMES
-       use_extended_names(FALSE);
+    use_extended_names(FALSE);
 #endif
+    _nc_strict_bsd = 0;
 
-       /*
-        * Processing arguments is a little complicated, since someone made a
-        * design decision to allow the numeric values for -w, -v options to
-        * be optional.
-        */
-       while ((this_opt = getopt(argc, argv, "0123456789CILNR:TVce:fGgo:rsvwx")) != EOF) {
-               if (isdigit(this_opt)) {
-                       switch (last_opt) {
-                       case 'v':
-                               v_opt = (v_opt * 10) + (this_opt - '0');
-                               break;
-                       case 'w':
-                               width = (width * 10) + (this_opt - '0');
-                               break;
-                       default:
-                               if (this_opt != '1')
-                                       usage();
-                               last_opt = this_opt;
-                               width = 0;
-                       }
-                       continue;
-               }
+    /*
+     * Processing arguments is a little complicated, since someone made a
+     * design decision to allow the numeric values for -w, -v options to
+     * be optional.
+     */
+    while ((this_opt = getopt(argc, argv,
+                             "0123456789CDIKLNR:TUVace:fGgo:rstvwx")) != -1) {
+       if (isdigit(this_opt)) {
+           switch (last_opt) {
+           case 'v':
+               v_opt = (v_opt * 10) + (this_opt - '0');
+               break;
+           case 'w':
+               width = (width * 10) + (this_opt - '0');
+               break;
+           default:
                switch (this_opt) {
-               case 'C':
-                       capdump  = TRUE;
-                       outform  = F_TERMCAP;
-                       sortmode = S_TERMCAP;
-                       break;
-               case 'I':
-                       infodump = TRUE;
-                       outform  = F_TERMINFO;
-                       sortmode = S_TERMINFO;
-                       break;
-               case 'L':
-                       infodump = TRUE;
-                       outform  = F_VARIABLE;
-                       sortmode = S_VARIABLE;
-                       break;
-               case 'N':
-                       smart_defaults = FALSE;
-                       break;
-               case 'R':
-                       tversion = optarg;
-                       break;
-               case 'T':
-                       limited = FALSE;
-                       break;
-               case 'V':
-                       puts(NCURSES_VERSION);
-                       return EXIT_SUCCESS;
-               case 'c':
-                       check_only = TRUE;
-                       break;
-               case 'e':
-                       namelst = make_namelist(optarg);
-                       break;
-               case 'f':
-                       formatted = TRUE;
-                       break;
-               case 'G':
-                       numbers = 1;
-                       break;
-               case 'g':
-                       numbers = -1;
-                       break;
-               case 'o':
-                       outdir = optarg;
-                       break;
-               case 'r':
-                       forceresolve = TRUE;
-                       break;
-               case 's':
-                       showsummary = TRUE;
-                       break;
-               case 'v':
-                       v_opt = 0;
-                       break;
-               case 'w':
-                       width = 0;
-                       break;
-#if NCURSES_XNAMES
-               case 'x':
-                       use_extended_names(TRUE);
-                       break;
-#endif
+               case '0':
+                   last_opt = this_opt;
+                   width = 65535;
+                   height = 1;
+                   break;
+               case '1':
+                   last_opt = this_opt;
+                   width = 0;
+                   break;
                default:
-                       usage();
+                   usage();
                }
-               last_opt = this_opt;
+           }
+           continue;
        }
-
-       debug_level = (v_opt > 0) ? v_opt : (v_opt == 0);
-       _nc_tracing = (1 << debug_level) - 1;
-
-       if (_nc_tracing)
-       {
-               save_check_termtype = _nc_check_termtype;
-               _nc_check_termtype = check_termtype;
+       switch (this_opt) {
+       case 'K':
+           _nc_strict_bsd = 1;
+           /* the initial version of -K in 20110730 fell-thru here, but the
+            * same flag is useful when reading sources -TD
+            */
+           break;
+       case 'C':
+           capdump = TRUE;
+           outform = F_TERMCAP;
+           sortmode = S_TERMCAP;
+           break;
+       case 'D':
+           debug_level = VtoTrace(v_opt);
+           set_trace_level(debug_level);
+           show_databases(outdir);
+           ExitProgram(EXIT_SUCCESS);
+           break;
+       case 'I':
+           infodump = TRUE;
+           outform = F_TERMINFO;
+           sortmode = S_TERMINFO;
+           break;
+       case 'L':
+           infodump = TRUE;
+           outform = F_VARIABLE;
+           sortmode = S_VARIABLE;
+           break;
+       case 'N':
+           smart_defaults = FALSE;
+           literal = TRUE;
+           break;
+       case 'R':
+           tversion = optarg;
+           break;
+       case 'T':
+           limited = FALSE;
+           break;
+       case 'U':
+           literal = TRUE;
+           break;
+       case 'V':
+           puts(curses_version());
+           ExitProgram(EXIT_SUCCESS);
+       case 'c':
+           check_only = TRUE;
+           break;
+       case 'e':
+           namelst = make_namelist(optarg);
+           break;
+       case 'f':
+           formatted = TRUE;
+           break;
+       case 'G':
+           numbers = 1;
+           break;
+       case 'g':
+           numbers = -1;
+           break;
+       case 'o':
+           outdir = optarg;
+           break;
+       case 'r':
+           forceresolve = TRUE;
+           break;
+       case 's':
+           showsummary = TRUE;
+           break;
+       case 'v':
+           v_opt = 0;
+           break;
+       case 'w':
+           width = 0;
+           break;
+#if NCURSES_XNAMES
+       case 't':
+           _nc_disable_period = FALSE;
+           suppress_untranslatable = TRUE;
+           break;
+       case 'a':
+           _nc_disable_period = TRUE;
+           /* FALLTHRU */
+       case 'x':
+           use_extended_names(TRUE);
+           break;
+#endif
+       default:
+           usage();
        }
+       last_opt = this_opt;
+    }
 
-#ifndef HAVE_BIG_CORE
-       /*
-        * Aaargh! immedhook seriously hoses us!
-        *
-        * 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
-        * of reference chains *won't* be in core unless they were explicitly
-        * in the select list themselves.
-        */
-       if (namelst && (!infodump && !capdump))
-       {
-           (void) fprintf(stderr,
-                          "Sorry, -e can't be used without -I or -C\n");
-           cleanup();
-           return EXIT_FAILURE;
-       }
+    debug_level = VtoTrace(v_opt);
+    set_trace_level(debug_level);
+
+    if (_nc_tracing) {
+       save_check_termtype = _nc_check_termtype2;
+       _nc_check_termtype2 = check_termtype;
+    }
+#if !HAVE_BIG_CORE
+    /*
+     * Aaargh! immedhook seriously hoses us!
+     *
+     * 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
+     * of reference chains *won't* be in core unless they were explicitly
+     * in the select list themselves.
+     */
+    if (namelst && (!infodump && !capdump)) {
+       (void) fprintf(stderr,
+                      "%s: Sorry, -e can't be used without -I or -C\n",
+                      _nc_progname);
+       ExitProgram(EXIT_FAILURE);
+    }
 #endif /* HAVE_BIG_CORE */
 
+    if (optind < argc) {
+       source_file = argv[optind++];
        if (optind < argc) {
-               source_file = argv[optind++];
-               if (optind < argc) {
-                       fprintf (stderr,
-                               "%s: Too many file names.  Usage:\n\t%s %s",
-                               _nc_progname,
-                               _nc_progname,
-                               usage_string);
-                       return EXIT_FAILURE;
-               }
-       } else {
-               if (infodump == TRUE) {
-                       /* captoinfo's no-argument case */
-                       source_file = "/etc/termcap";
-                       if ((termcap = getenv("TERMCAP")) != 0
-                        && (namelst = make_namelist(getenv("TERM"))) != 0) {
-                               if (access(termcap, F_OK) == 0) {
-                                       /* file exists */
-                                       source_file = termcap;
-                               } else
-                               if ((source_file = tmpnam(my_tmpname)) != 0
-                                && (tmp_fp = fopen(source_file, "w")) != 0) {
-                                       fprintf(tmp_fp, "%s\n", termcap);
-                                       fclose(tmp_fp);
-                                       tmp_fp = fopen(source_file, "r");
-                                       to_remove = source_file;
-                               } else {
-                                       failed("tmpnam");
-                               }
-                       }
+           fprintf(stderr,
+                   "%s: Too many file names.  Usage:\n\t%s %s",
+                   _nc_progname,
+                   _nc_progname,
+                   usage_string);
+           ExitProgram(EXIT_FAILURE);
+       }
+    } else {
+       if (infodump == TRUE) {
+           /* captoinfo's no-argument case */
+           source_file = "/etc/termcap";
+           if ((termcap = getenv("TERMCAP")) != 0
+               && (namelst = make_namelist(getenv("TERM"))) != 0) {
+               if (access(termcap, F_OK) == 0) {
+                   /* file exists */
+                   source_file = termcap;
                } else {
-               /* tic */
-                       fprintf (stderr,
-                               "%s: File name needed.  Usage:\n\t%s %s",
-                               _nc_progname,
-                               _nc_progname,
-                               usage_string);
-                       cleanup();
-                       return EXIT_FAILURE;
+                   if ((tmp_fp = open_tempfile(my_tmpname)) != 0) {
+                       source_file = my_tmpname;
+                       fprintf(tmp_fp, "%s\n", termcap);
+                       fclose(tmp_fp);
+                       tmp_fp = open_input(source_file, (char *) 0);
+                       to_remove = source_file;
+                   } else {
+                       failed("tmpnam");
+                   }
                }
+           }
+       } else {
+           /* tic */
+           fprintf(stderr,
+                   "%s: File name needed.  Usage:\n\t%s %s",
+                   _nc_progname,
+                   _nc_progname,
+                   usage_string);
+           ExitProgram(EXIT_FAILURE);
        }
+    }
 
-       if (tmp_fp == 0
-        && (tmp_fp = fopen(source_file, "r")) == 0) {
-               fprintf (stderr, "%s: Can't open %s\n", _nc_progname, source_file);
-               return EXIT_FAILURE;
+    if (tmp_fp == 0) {
+       tmp_fp = open_input(source_file, my_altfile);
+       if (!strcmp(source_file, "-")) {
+           source_file = STDIN_NAME;
        }
+    }
 
-       if (infodump)
-               dump_init(tversion,
-                         smart_defaults
-                               ? outform
-                               : F_LITERAL,
-                         sortmode, width, debug_level, formatted);
-       else if (capdump)
-               dump_init(tversion,
-                         outform,
-                         sortmode, width, debug_level, FALSE);
+    if (infodump) {
+       dump_init(tversion,
+                 smart_defaults
+                 ? outform
+                 : F_LITERAL,
+                 sortmode, width, height, debug_level, formatted);
+    } else if (capdump) {
+       dump_init(tversion,
+                 outform,
+                 sortmode, width, height, debug_level, FALSE);
+    }
 
-       /* parse entries out of the source file */
-       _nc_set_source(source_file);
-#ifndef HAVE_BIG_CORE
-       if (!(check_only || infodump || capdump))
-           _nc_set_writedir(outdir);
+    /* parse entries out of the source file */
+    _nc_set_source(source_file);
+#if !HAVE_BIG_CORE
+    if (!(check_only || infodump || capdump))
+       _nc_set_writedir(outdir);
 #endif /* HAVE_BIG_CORE */
-       _nc_read_entry_source(tmp_fp, (char *)NULL,
-                             !smart_defaults, FALSE,
-                             (check_only || infodump || capdump) ? NULLHOOK : immedhook);
+    _nc_read_entry_source(tmp_fp, (char *) NULL,
+                         !smart_defaults || literal, FALSE,
+                         ((check_only || infodump || capdump)
+                          ? NULLHOOK
+                          : immedhook));
+
+    /* do use resolution */
+    if (check_only || (!infodump && !capdump) || forceresolve) {
+       if (!_nc_resolve_uses2(TRUE, literal) && !check_only) {
+           ExitProgram(EXIT_FAILURE);
+       }
+    }
 
-       /* do use resolution */
-       if (check_only || (!infodump && !capdump) || forceresolve) {
-           if (!_nc_resolve_uses() && !check_only) {
-               cleanup();
-               return EXIT_FAILURE;
+    /* length check */
+    if (check_only && (capdump || infodump)) {
+       for_entry_list(qp) {
+           if (matches(namelst, qp->tterm.term_names)) {
+               int len = fmt_entry(&qp->tterm, NULL, FALSE, TRUE, infodump, numbers);
+
+               if (len > (infodump ? MAX_TERMINFO_LENGTH : MAX_TERMCAP_LENGTH))
+                   (void) fprintf(stderr,
+                                  "warning: resolved %s entry is %d bytes long\n",
+                                  _nc_first_name(qp->tterm.term_names),
+                                  len);
            }
        }
+    }
 
-       /* length check */
-       if (check_only && (capdump || infodump))
-       {
-           for_entry_list(qp)
-           {
+    /* write or dump all entries */
+    if (!check_only) {
+       if (!infodump && !capdump) {
+           _nc_set_writedir(outdir);
+           for_entry_list(qp) {
                if (matches(namelst, qp->tterm.term_names))
-               {
-                   int len = fmt_entry(&qp->tterm, NULL, TRUE, infodump, numbers);
-
-                   if (len>(infodump?MAX_TERMINFO_LENGTH:MAX_TERMCAP_LENGTH))
-                           (void) fprintf(stderr,
-                          "warning: resolved %s entry is %d bytes long\n",
-                          _nc_first_name(qp->tterm.term_names),
-                          len);
-               }
+                   write_it(qp);
            }
-       }
-
-       /* write or dump all entries */
-       if (!check_only)
-       {
-           if (!infodump && !capdump)
-           {
-               _nc_set_writedir(outdir);
-               for_entry_list(qp)
-                   if (matches(namelst, qp->tterm.term_names))
-                       write_it(qp);
-           }
-           else
-           {
-               /* this is in case infotocap() generates warnings */
-               _nc_curr_col = _nc_curr_line = -1;
-
-               for_entry_list(qp)
-                   if (matches(namelst, qp->tterm.term_names))
-                   {
-                       int     j = qp->cend - qp->cstart;
-                       int     len = 0;
-
-                       /* this is in case infotocap() generates warnings */
-                       _nc_set_type(_nc_first_name(qp->tterm.term_names));
-
-                       (void) fseek(tmp_fp, qp->cstart, SEEK_SET);
-                       while (j-- )
-                           if (infodump)
-                               (void) putchar(fgetc(tmp_fp));
-                           else
-                               put_translate(fgetc(tmp_fp));
-
-                       len = dump_entry(&qp->tterm, limited, numbers, NULL);
-                       for (j = 0; j < qp->nuses; j++)
-                           len += dump_uses((char *)(qp->uses[j].parent), !capdump);
-                       (void) putchar('\n');
-                       if (debug_level != 0 && !limited)
-                           printf("# length=%d\n", len);
+       } else {
+           /* this is in case infotocap() generates warnings */
+           _nc_curr_col = _nc_curr_line = -1;
+
+           for_entry_list(qp) {
+               if (matches(namelst, qp->tterm.term_names)) {
+                   long j = qp->cend - qp->cstart;
+                   int len = 0;
+
+                   /* this is in case infotocap() generates warnings */
+                   _nc_set_type(_nc_first_name(qp->tterm.term_names));
+
+                   (void) fseek(tmp_fp, qp->cstart, SEEK_SET);
+                   while (j-- > 0) {
+                       if (infodump)
+                           (void) putchar(fgetc(tmp_fp));
+                       else
+                           put_translate(fgetc(tmp_fp));
                    }
-               if (!namelst)
-               {
-                   int  c, oldc = '\0';
-                   bool in_comment = FALSE;
-                   bool trailing_comment = FALSE;
-
-                   (void) fseek(tmp_fp, _nc_tail->cend, SEEK_SET);
-                   while ((c = fgetc(tmp_fp)) != EOF)
-                   {
-                       if (oldc == '\n') {
-                           if (c == '#') {
-                               trailing_comment = TRUE;
-                               in_comment = TRUE;
-                           } else {
-                               in_comment = FALSE;
-                           }
+
+                   repair_acsc(&qp->tterm);
+                   dump_entry(&qp->tterm, suppress_untranslatable,
+                              limited, numbers, NULL);
+                   for (j = 0; j < (long) qp->nuses; j++)
+                       dump_uses(qp->uses[j].name, !capdump);
+                   len = show_entry();
+                   if (debug_level != 0 && !limited)
+                       printf("# length=%d\n", len);
+               }
+           }
+           if (!namelst && _nc_tail) {
+               int c, oldc = '\0';
+               bool in_comment = FALSE;
+               bool trailing_comment = FALSE;
+
+               (void) fseek(tmp_fp, _nc_tail->cend, SEEK_SET);
+               while ((c = fgetc(tmp_fp)) != EOF) {
+                   if (oldc == '\n') {
+                       if (c == '#') {
+                           trailing_comment = TRUE;
+                           in_comment = TRUE;
+                       } else {
+                           in_comment = FALSE;
                        }
-                       if (trailing_comment
-                        && (in_comment || (oldc == '\n' && c == '\n')))
-                           putchar(c);
-                       oldc = c;
                    }
+                   if (trailing_comment
+                       && (in_comment || (oldc == '\n' && c == '\n')))
+                       putchar(c);
+                   oldc = c;
                }
            }
        }
+    }
 
-       /* 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");
-       }
-       cleanup();
-       return(EXIT_SUCCESS);
+    /* 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);
 }
 
 /*
@@ -714,99 +1036,1082 @@ bool   check_only = FALSE;
  * references to locations in the arrays Booleans, Numbers, and Strings ---
  * precisely what's needed (see comp_parse.c).
  */
-
-TERMINAL *cur_term;    /* tweak to avoid linking lib_cur_term.c */
-
 #undef CUR
 #define CUR tp->
 
+/*
+ * Check if the alternate character-set capabilities are consistent.
+ */
+static void
+check_acs(TERMTYPE *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);
+       }
+    }
+}
+
+/*
+ * Check if the color capabilities are consistent
+ */
+static void
+check_colors(TERMTYPE *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)
+       && !_nc_capcmp(set_foreground, set_a_foreground))
+       _nc_warning("expected setf/setaf to be different");
+
+    if (VALID_STRING(set_background)
+       && VALID_STRING(set_a_background)
+       && !_nc_capcmp(set_background, set_a_background))
+       _nc_warning("expected setb/setab to be different");
+
+    /* see: has_colors() */
+    if (VALID_NUMERIC(max_colors) && VALID_NUMERIC(max_pairs)
+       && (((set_foreground != NULL)
+            && (set_background != NULL))
+           || ((set_a_foreground != NULL)
+               && (set_a_background != NULL))
+           || set_color_pair)) {
+       if (!VALID_STRING(orig_pair) && !VALID_STRING(orig_colors))
+           _nc_warning("expected either op/oc string for resetting colors");
+    }
+}
+
+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 prefix = 0;
+    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];
+
+       if (UChar(up[0]) == '\033') {
+           if (up[1] == '[') {
+               prefix = 2;
+           } else {
+               prefix = 1;
+           }
+       } else if (UChar(up[0]) == UChar('\233')) {
+           prefix = 1;
+       }
+       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(TERMTYPE *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(TERMTYPE *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(TERMTYPE *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(TERMTYPE *tp)
+{
+    PAIRED(enter_doublewide_mode, exit_doublewide_mode);
+    PAIRED(enter_italics_mode, exit_italics_mode);
+    PAIRED(enter_leftward_mode, exit_leftward_mode);
+    PAIRED(enter_micro_mode, exit_micro_mode);
+    PAIRED(enter_shadow_mode, exit_shadow_mode);
+    PAIRED(enter_subscript_mode, exit_subscript_mode);
+    PAIRED(enter_superscript_mode, exit_superscript_mode);
+    PAIRED(enter_upward_mode, exit_upward_mode);
+
+    ANDMISSING(start_char_set_def, stop_char_set_def);
+
+    /* if we have a parameterized form, then the non-parameterized is easy */
+    ANDMISSING(set_bottom_margin_parm, set_bottom_margin);
+    ANDMISSING(set_left_margin_parm, set_left_margin);
+    ANDMISSING(set_right_margin_parm, set_right_margin);
+    ANDMISSING(set_top_margin_parm, set_top_margin);
+
+    ANDMISSING(parm_down_micro, micro_down);
+    ANDMISSING(parm_left_micro, micro_left);
+    ANDMISSING(parm_right_micro, micro_right);
+    ANDMISSING(parm_up_micro, micro_up);
+}
+
+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(TERMTYPE *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);
+
+       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
+                  && strstr(name, "screen") != 0
+                  && strchr(name, '.') != 0) {
+           _nc_warning("Screen's \"screen\" entries should not have XT set");
+       } else if (have_XT) {
+           if (!have_kmouse && have_bce) {
+               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)
+               _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)
+{
+    /* *INDENT-OFF* */
+    static const struct {
+       const char *name;
+       int count;
+    } table[] = {
+       { "S0",                 1 },    /* 'screen' extension */
+       { "birep",              2 },
+       { "chr",                1 },
+       { "colornm",            1 },
+       { "cpi",                1 },
+       { "csnm",               1 },
+       { "csr",                2 },
+       { "cub",                1 },
+       { "cud",                1 },
+       { "cuf",                1 },
+       { "cup",                2 },
+       { "cuu",                1 },
+       { "cvr",                1 },
+       { "cwin",               5 },
+       { "dch",                1 },
+       { "defc",               3 },
+       { "dial",               1 },
+       { "dispc",              1 },
+       { "dl",                 1 },
+       { "ech",                1 },
+       { "getm",               1 },
+       { "hpa",                1 },
+       { "ich",                1 },
+       { "il",                 1 },
+       { "indn",               1 },
+       { "initc",              4 },
+       { "initp",              7 },
+       { "lpi",                1 },
+       { "mc5p",               1 },
+       { "mrcup",              2 },
+       { "mvpa",               1 },
+       { "pfkey",              2 },
+       { "pfloc",              2 },
+       { "pfx",                2 },
+       { "pfxl",               3 },
+       { "pln",                2 },
+       { "qdial",              1 },
+       { "rcsd",               1 },
+       { "rep",                2 },
+       { "rin",                1 },
+       { "sclk",               3 },
+       { "scp",                1 },
+       { "scs",                1 },
+       { "scsd",               2 },
+       { "setab",              1 },
+       { "setaf",              1 },
+       { "setb",               1 },
+       { "setcolor",           1 },
+       { "setf",               1 },
+       { "sgr",                9 },
+       { "sgr1",               6 },
+       { "slength",            1 },
+       { "slines",             1 },
+       { "smgbp",              1 },    /* 2 if smgtp is not given */
+       { "smglp",              1 },
+       { "smglr",              2 },
+       { "smgrp",              1 },
+       { "smgtb",              2 },
+       { "smgtp",              1 },
+       { "tsl",                1 },
+       { "u6",                 -1 },
+       { "vpa",                1 },
+       { "wind",               4 },
+       { "wingo",              1 },
+    };
+    /* *INDENT-ON* */
+
+    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;
+}
+
+/*
+ * 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(TERMTYPE *tp, const char *name, char *value)
+{
+    int expected = expected_params(name);
+    int actual = 0;
+    int n;
+    bool params[10];
+    char *s = value;
+
+#ifdef set_top_margin_parm
+    if (!strcmp(name, "smgbp")
+       && set_top_margin_parm == 0)
+       expected = 2;
+#endif
+
+    for (n = 0; n < 10; 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 (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);
+       }
+    }
+}
+
+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 '$':
+           if (delaying == 0)
+               delaying = 1;
+           break;
+       case '<':
+           if (delaying == 1)
+               delaying = 2;
+           break;
+       case '\0':
+           delaying = 0;
+           break;
+       default:
+           if (delaying) {
+               s = skip_delay(s);
+               if (*s == '>')
+                   ++s;
+               delaying = 0;
+           }
+           break;
+       }
+       if (delaying)
+           ++s;
+    } while (delaying);
+    return s;
+}
+
+/*
+ * An sgr string may contain several settings other than the one we're
+ * interested in, essentially sgr0 + rmacs + whatever.  As long as the
+ * "whatever" is contained in the sgr string, that is close enough for our
+ * sanity check.
+ */
+static bool
+similar_sgr(int num, char *a, char *b)
+{
+    static const char *names[] =
+    {
+       "none"
+       ,"standout"
+       ,"underline"
+       ,"reverse"
+       ,"blink"
+       ,"dim"
+       ,"bold"
+       ,"invis"
+       ,"protect"
+       ,"altcharset"
+    };
+    char *base_a = a;
+    char *base_b = b;
+    int delaying = 0;
+
+    while (*b != 0) {
+       while (*a != *b) {
+           if (*a == 0) {
+               if (b[0] == '$'
+                   && 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",
+                               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(TERMTYPE *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(TERMTYPE *tp)
+{
+    NAME_VALUE *result = typeMalloc(NAME_VALUE, NUM_STRINGS(tp) + 1);
+    const struct tinfo_fkeys *all_fkeys = _nc_tinfo_fkeys;
+    int used = 0;
+    int 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, 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);
+    }
+}
+
 /* other sanity-checks (things that we don't want in the normal
  * logic that reads a terminfo entry)
  */
-static void check_termtype(TERMTYPE *tp)
+static void
+check_termtype(TERMTYPE *tp, bool literal)
 {
-       bool conflict = FALSE;
-       unsigned j, k;
-       char  fkeys[STRCOUNT];
+    bool conflict = FALSE;
+    unsigned j, k;
 
-       /*
-        * 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).
-        */
-       memset(fkeys, 0, sizeof(fkeys));
-       for (j = 0; _nc_tinfo_fkeys[j].code; j++) {
-           char *a = tp->Strings[_nc_tinfo_fkeys[j].offset];
+    /*
+     * 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).
+     */
+    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_termtype");
+
+       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; _nc_tinfo_fkeys[k].code; k++) {
-               char *b = tp->Strings[_nc_tinfo_fkeys[k].offset];
-               if (!VALID_STRING(b)
-                || fkeys[k])
+
+           for (k = j + 1; given[k].keycode; k++) {
+               const char *b = given[k].value;
+               if (check[k])
                    continue;
-               if (!strcmp(a,b)) {
-                   fkeys[j] = 1;
-                   fkeys[k] = 1;
+               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, "... %s is the same as %s",
-                               keyname(_nc_tinfo_fkeys[j].code),
-                               keyname(_nc_tinfo_fkeys[k].code));
+                       fprintf(stderr, "...");
+                       show_fkey_name(given + j);
+                       fprintf(stderr, " is the same as");
+                       show_fkey_name(given + k);
                        first = FALSE;
                    } else {
-                       fprintf(stderr, ", %s",
-                               keyname(_nc_tinfo_fkeys[k].code));
+                       fprintf(stderr, ", ");
+                       show_fkey_name(given + k);
                    }
                }
            }
            if (!first)
                fprintf(stderr, "\n");
        }
+       free(given);
+       free(check);
+    }
 
-       /*
-        * Quick check for color.  We could also check if the ANSI versus
-        * non-ANSI strings are misused.
-        */
-       if ((max_colors > 0) != (max_pairs > 0)
-        || (max_colors > max_pairs))
-               _nc_warning("inconsistent values for max_colors and max_pairs");
+    for_each_string(j, tp) {
+       char *a = tp->Strings[j];
+       if (VALID_STRING(a))
+           check_params(tp, ExtStrname(tp, (int) j, strnames), a);
+    }
 
-       PAIRED(set_foreground,                  set_background)
-       PAIRED(set_a_foreground,                set_a_background)
+    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)
+    /*
+     * 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);
 
-       /*
-        * 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 (PRESENT(cursor_visible) && PRESENT(cursor_normal)
+       && !_nc_capcmp(cursor_visible, cursor_normal))
+       _nc_warning("cursor_visible is same as cursor_normal");
 
-       /*
-        * Some standard applications (e.g., vi) and some non-curses
-        * applications (e.g., jove) get confused if we have both ich/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(insert_character)  || PRESENT(parm_ich))) {
-          _nc_warning("non-curses applications may be confused by ich/ich1 with smir/rmir");
+    /*
+     * 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");
+    }
 
-       /*
-        * Finally, do the non-verbose checks
-        */
-       if (save_check_termtype != 0)
-           save_check_termtype(tp);
+    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)));
+               free(check_sgr0);
+           } else {
+               DEBUG(2,
+                     ("will not trim sgr0\n\toriginal sgr0=%s",
+                      _nc_visbuf(exit_attribute_mode)));
+           }
+       }
+    }
+#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);
 }