Base version of ncurses-5.7 library
diff --git a/progs/dump_entry.c b/progs/dump_entry.c
new file mode 100644
index 0000000..bd24220
--- /dev/null
+++ b/progs/dump_entry.c
@@ -0,0 +1,1273 @@
+/****************************************************************************
+ * Copyright (c) 1998-2007,2008 Free Software Foundation, Inc.              *
+ *                                                                          *
+ * Permission is hereby granted, free of charge, to any person obtaining a  *
+ * copy of this software and associated documentation files (the            *
+ * "Software"), to deal in the Software without restriction, including      *
+ * without limitation the rights to use, copy, modify, merge, publish,      *
+ * distribute, distribute with modifications, sublicense, and/or sell       *
+ * copies of the Software, and to permit persons to whom the Software is    *
+ * furnished to do so, subject to the following conditions:                 *
+ *                                                                          *
+ * The above copyright notice and this permission notice shall be included  *
+ * in all copies or substantial portions of the Software.                   *
+ *                                                                          *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
+ * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
+ * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
+ *                                                                          *
+ * Except as contained in this notice, the name(s) of the above copyright   *
+ * holders shall not be used in advertising or otherwise to promote the     *
+ * sale, use or other dealings in this Software without prior written       *
+ * authorization.                                                           *
+ ****************************************************************************/
+
+/****************************************************************************
+ *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
+ *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
+ *     and: Thomas E. Dickey                        1996 on                 *
+ ****************************************************************************/
+
+#define __INTERNAL_CAPS_VISIBLE
+#include <progs.priv.h>
+
+#include "dump_entry.h"
+#include "termsort.c"		/* this C file is generated */
+#include <parametrized.h>	/* so is this */
+
+MODULE_ID("$Id: dump_entry.c,v 1.88 2008/08/04 12:36:12 tom Exp $")
+
+#define INDENT			8
+#define DISCARD(string) string = ABSENT_STRING
+#define PRINTF (void) printf
+
+#define OkIndex(index,array) ((int)(index) >= 0 && (int)(index) < (int) SIZEOF(array))
+
+typedef struct {
+    char *text;
+    size_t used;
+    size_t size;
+} DYNBUF;
+
+static int tversion;		/* terminfo version */
+static int outform;		/* output format to use */
+static int sortmode;		/* sort mode to use */
+static int width = 60;		/* max line width for listings */
+static int column;		/* current column, limited by 'width' */
+static int oldcol;		/* last value of column before wrap */
+static bool pretty;		/* true if we format if-then-else strings */
+
+static char *save_sgr;
+
+static DYNBUF outbuf;
+static DYNBUF tmpbuf;
+
+/* indirection pointers for implementing sort and display modes */
+static const PredIdx *bool_indirect, *num_indirect, *str_indirect;
+static NCURSES_CONST char *const *bool_names;
+static NCURSES_CONST char *const *num_names;
+static NCURSES_CONST char *const *str_names;
+
+static const char *separator, *trailer;
+
+/* cover various ports and variants of terminfo */
+#define V_ALLCAPS	0	/* all capabilities (SVr4, XSI, ncurses) */
+#define V_SVR1		1	/* SVR1, Ultrix */
+#define V_HPUX		2	/* HP/UX */
+#define V_AIX		3	/* AIX */
+#define V_BSD		4	/* BSD */
+
+#if NCURSES_XNAMES
+#define OBSOLETE(n) (!_nc_user_definable && (n[0] == 'O' && n[1] == 'T'))
+#else
+#define OBSOLETE(n) (n[0] == 'O' && n[1] == 'T')
+#endif
+
+#define isObsolete(f,n) ((f == F_TERMINFO || f == F_VARIABLE) && OBSOLETE(n))
+
+#if NCURSES_XNAMES
+#define BoolIndirect(j) ((j >= BOOLCOUNT) ? (j) : ((sortmode == S_NOSORT) ? j : bool_indirect[j]))
+#define NumIndirect(j)  ((j >= NUMCOUNT)  ? (j) : ((sortmode == S_NOSORT) ? j : num_indirect[j]))
+#define StrIndirect(j)  ((j >= STRCOUNT)  ? (j) : ((sortmode == S_NOSORT) ? j : str_indirect[j]))
+#else
+#define BoolIndirect(j) ((sortmode == S_NOSORT) ? (j) : bool_indirect[j])
+#define NumIndirect(j)  ((sortmode == S_NOSORT) ? (j) : num_indirect[j])
+#define StrIndirect(j)  ((sortmode == S_NOSORT) ? (j) : str_indirect[j])
+#endif
+
+static void
+strncpy_DYN(DYNBUF * dst, const char *src, size_t need)
+{
+    size_t want = need + dst->used + 1;
+    if (want > dst->size) {
+	dst->size += (want + 1024);	/* be generous */
+	dst->text = typeRealloc(char, dst->size, dst->text);
+    }
+    (void) strncpy(dst->text + dst->used, src, need);
+    dst->used += need;
+    dst->text[dst->used] = 0;
+}
+
+static void
+strcpy_DYN(DYNBUF * dst, const char *src)
+{
+    if (src == 0) {
+	dst->used = 0;
+	strcpy_DYN(dst, "");
+    } else {
+	strncpy_DYN(dst, src, strlen(src));
+    }
+}
+
+#if NO_LEAKS
+static void
+free_DYN(DYNBUF * p)
+{
+    if (p->text != 0)
+	free(p->text);
+    p->text = 0;
+    p->size = 0;
+    p->used = 0;
+}
+
+void
+_nc_leaks_dump_entry(void)
+{
+    free_DYN(&outbuf);
+    free_DYN(&tmpbuf);
+}
+#endif
+
+#define NameTrans(check,result) \
+	    if (OkIndex(np->nte_index, check) \
+		&& check[np->nte_index]) \
+		return (result[np->nte_index])
+
+NCURSES_CONST char *
+nametrans(const char *name)
+/* translate a capability name from termcap to terminfo */
+{
+    const struct name_table_entry *np;
+
+    if ((np = _nc_find_entry(name, _nc_get_hash_table(0))) != 0)
+	switch (np->nte_type) {
+	case BOOLEAN:
+	    NameTrans(bool_from_termcap, boolcodes);
+	    break;
+
+	case NUMBER:
+	    NameTrans(num_from_termcap, numcodes);
+	    break;
+
+	case STRING:
+	    NameTrans(str_from_termcap, strcodes);
+	    break;
+	}
+
+    return (0);
+}
+
+void
+dump_init(const char *version, int mode, int sort, int twidth, int traceval,
+	  bool formatted)
+/* set up for entry display */
+{
+    width = twidth;
+    pretty = formatted;
+
+    /* versions */
+    if (version == 0)
+	tversion = V_ALLCAPS;
+    else if (!strcmp(version, "SVr1") || !strcmp(version, "SVR1")
+	     || !strcmp(version, "Ultrix"))
+	tversion = V_SVR1;
+    else if (!strcmp(version, "HP"))
+	tversion = V_HPUX;
+    else if (!strcmp(version, "AIX"))
+	tversion = V_AIX;
+    else if (!strcmp(version, "BSD"))
+	tversion = V_BSD;
+    else
+	tversion = V_ALLCAPS;
+
+    /* implement display modes */
+    switch (outform = mode) {
+    case F_LITERAL:
+    case F_TERMINFO:
+	bool_names = boolnames;
+	num_names = numnames;
+	str_names = strnames;
+	separator = twidth ? ", " : ",";
+	trailer = "\n\t";
+	break;
+
+    case F_VARIABLE:
+	bool_names = boolfnames;
+	num_names = numfnames;
+	str_names = strfnames;
+	separator = twidth ? ", " : ",";
+	trailer = "\n\t";
+	break;
+
+    case F_TERMCAP:
+    case F_TCONVERR:
+	bool_names = boolcodes;
+	num_names = numcodes;
+	str_names = strcodes;
+	separator = ":";
+	trailer = "\\\n\t:";
+	break;
+    }
+
+    /* implement sort modes */
+    switch (sortmode = sort) {
+    case S_NOSORT:
+	if (traceval)
+	    (void) fprintf(stderr,
+			   "%s: sorting by term structure order\n", _nc_progname);
+	break;
+
+    case S_TERMINFO:
+	if (traceval)
+	    (void) fprintf(stderr,
+			   "%s: sorting by terminfo name order\n", _nc_progname);
+	bool_indirect = bool_terminfo_sort;
+	num_indirect = num_terminfo_sort;
+	str_indirect = str_terminfo_sort;
+	break;
+
+    case S_VARIABLE:
+	if (traceval)
+	    (void) fprintf(stderr,
+			   "%s: sorting by C variable order\n", _nc_progname);
+	bool_indirect = bool_variable_sort;
+	num_indirect = num_variable_sort;
+	str_indirect = str_variable_sort;
+	break;
+
+    case S_TERMCAP:
+	if (traceval)
+	    (void) fprintf(stderr,
+			   "%s: sorting by termcap name order\n", _nc_progname);
+	bool_indirect = bool_termcap_sort;
+	num_indirect = num_termcap_sort;
+	str_indirect = str_termcap_sort;
+	break;
+    }
+
+    if (traceval)
+	(void) fprintf(stderr,
+		       "%s: width = %d, tversion = %d, outform = %d\n",
+		       _nc_progname, width, tversion, outform);
+}
+
+static TERMTYPE *cur_type;
+
+static int
+dump_predicate(PredType type, PredIdx idx)
+/* predicate function to use for ordinary decompilation */
+{
+    switch (type) {
+    case BOOLEAN:
+	return (cur_type->Booleans[idx] == FALSE)
+	    ? FAIL : cur_type->Booleans[idx];
+
+    case NUMBER:
+	return (cur_type->Numbers[idx] == ABSENT_NUMERIC)
+	    ? FAIL : cur_type->Numbers[idx];
+
+    case STRING:
+	return (cur_type->Strings[idx] != ABSENT_STRING)
+	    ? (int) TRUE : FAIL;
+    }
+
+    return (FALSE);		/* pacify compiler */
+}
+
+static void set_obsolete_termcaps(TERMTYPE *tp);
+
+/* is this the index of a function key string? */
+#define FNKEY(i)	(((i)<= 65 && (i)>= 75) || ((i)<= 216 && (i)>= 268))
+
+/*
+ * If we configure with a different Caps file, the offsets into the arrays
+ * will change.  So we use an address expression.
+ */
+#define BOOL_IDX(name) (PredType) (&(name) - &(CUR Booleans[0]))
+#define NUM_IDX(name)  (PredType) (&(name) - &(CUR Numbers[0]))
+#define STR_IDX(name)  (PredType) (&(name) - &(CUR Strings[0]))
+
+static bool
+version_filter(PredType type, PredIdx idx)
+/* filter out capabilities we may want to suppress */
+{
+    switch (tversion) {
+    case V_ALLCAPS:		/* SVr4, XSI Curses */
+	return (TRUE);
+
+    case V_SVR1:		/* System V Release 1, Ultrix */
+	switch (type) {
+	case BOOLEAN:
+	    return ((idx <= BOOL_IDX(xon_xoff)) ? TRUE : FALSE);
+	case NUMBER:
+	    return ((idx <= NUM_IDX(width_status_line)) ? TRUE : FALSE);
+	case STRING:
+	    return ((idx <= STR_IDX(prtr_non)) ? TRUE : FALSE);
+	}
+	break;
+
+    case V_HPUX:		/* Hewlett-Packard */
+	switch (type) {
+	case BOOLEAN:
+	    return ((idx <= BOOL_IDX(xon_xoff)) ? TRUE : FALSE);
+	case NUMBER:
+	    return ((idx <= NUM_IDX(label_width)) ? TRUE : FALSE);
+	case STRING:
+	    if (idx <= STR_IDX(prtr_non))
+		return (TRUE);
+	    else if (FNKEY(idx))	/* function keys */
+		return (TRUE);
+	    else if (idx == STR_IDX(plab_norm)
+		     || idx == STR_IDX(label_on)
+		     || idx == STR_IDX(label_off))
+		return (TRUE);
+	    else
+		return (FALSE);
+	}
+	break;
+
+    case V_AIX:		/* AIX */
+	switch (type) {
+	case BOOLEAN:
+	    return ((idx <= BOOL_IDX(xon_xoff)) ? TRUE : FALSE);
+	case NUMBER:
+	    return ((idx <= NUM_IDX(width_status_line)) ? TRUE : FALSE);
+	case STRING:
+	    if (idx <= STR_IDX(prtr_non))
+		return (TRUE);
+	    else if (FNKEY(idx))	/* function keys */
+		return (TRUE);
+	    else
+		return (FALSE);
+	}
+	break;
+
+#define is_termcap(type) (OkIndex(idx, type##_from_termcap) && \
+			  type##_from_termcap[idx])
+
+    case V_BSD:		/* BSD */
+	switch (type) {
+	case BOOLEAN:
+	    return is_termcap(bool);
+	case NUMBER:
+	    return is_termcap(num);
+	case STRING:
+	    return is_termcap(str);
+	}
+	break;
+    }
+
+    return (FALSE);		/* pacify the compiler */
+}
+
+static void
+trim_trailing(void)
+{
+    while (outbuf.used > 0 && outbuf.text[outbuf.used - 1] == ' ')
+	outbuf.text[--outbuf.used] = '\0';
+}
+
+static void
+force_wrap(void)
+{
+    oldcol = column;
+    trim_trailing();
+    strcpy_DYN(&outbuf, trailer);
+    column = INDENT;
+}
+
+static void
+wrap_concat(const char *src)
+{
+    unsigned need = strlen(src);
+    unsigned want = strlen(separator) + need;
+
+    if (column > INDENT
+	&& column + (int) want > width) {
+	force_wrap();
+    }
+    strcpy_DYN(&outbuf, src);
+    strcpy_DYN(&outbuf, separator);
+    column += (int) need;
+}
+
+#define IGNORE_SEP_TRAIL(first,last,sep_trail) \
+	if ((size_t)(last - first) > sizeof(sep_trail)-1 \
+	 && !strncmp(first, sep_trail, sizeof(sep_trail)-1)) \
+		first += sizeof(sep_trail)-2
+
+/* Returns the nominal length of the buffer assuming it is termcap format,
+ * i.e., the continuation sequence is treated as a single character ":".
+ *
+ * There are several implementations of termcap which read the text into a
+ * fixed-size buffer.  Generally they strip the newlines from the text, but may
+ * not do it until after the buffer is read.  Also, "tc=" resolution may be
+ * expanded in the same buffer.  This function is useful for measuring the size
+ * of the best fixed-buffer implementation; the worst case may be much worse.
+ */
+#ifdef TEST_TERMCAP_LENGTH
+static int
+termcap_length(const char *src)
+{
+    static const char pattern[] = ":\\\n\t:";
+
+    int len = 0;
+    const char *const t = src + strlen(src);
+
+    while (*src != '\0') {
+	IGNORE_SEP_TRAIL(src, t, pattern);
+	src++;
+	len++;
+    }
+    return len;
+}
+#else
+#define termcap_length(src) strlen(src)
+#endif
+
+static void
+indent_DYN(DYNBUF * buffer, int level)
+{
+    int n;
+
+    for (n = 0; n < level; n++)
+	strncpy_DYN(buffer, "\t", 1);
+}
+
+static bool
+has_params(const char *src)
+{
+    bool result = FALSE;
+    int len = (int) strlen(src);
+    int n;
+    bool ifthen = FALSE;
+    bool params = FALSE;
+
+    for (n = 0; n < len - 1; ++n) {
+	if (!strncmp(src + n, "%p", 2)) {
+	    params = TRUE;
+	} else if (!strncmp(src + n, "%;", 2)) {
+	    ifthen = TRUE;
+	    result = params;
+	    break;
+	}
+    }
+    if (!ifthen) {
+	result = ((len > 50) && params);
+    }
+    return result;
+}
+
+static char *
+fmt_complex(char *src, int level)
+{
+    bool percent = FALSE;
+    bool params = has_params(src);
+
+    while (*src != '\0') {
+	switch (*src) {
+	case '\\':
+	    percent = FALSE;
+	    strncpy_DYN(&tmpbuf, src++, 1);
+	    break;
+	case '%':
+	    percent = TRUE;
+	    break;
+	case '?':		/* "if" */
+	case 't':		/* "then" */
+	case 'e':		/* "else" */
+	    if (percent) {
+		percent = FALSE;
+		tmpbuf.text[tmpbuf.used - 1] = '\n';
+		/* treat a "%e" as else-if, on the same level */
+		if (*src == 'e') {
+		    indent_DYN(&tmpbuf, level);
+		    strncpy_DYN(&tmpbuf, "%", 1);
+		    strncpy_DYN(&tmpbuf, src, 1);
+		    src++;
+		    params = has_params(src);
+		    if (!params && *src != '\0' && *src != '%') {
+			strncpy_DYN(&tmpbuf, "\n", 1);
+			indent_DYN(&tmpbuf, level + 1);
+		    }
+		} else {
+		    indent_DYN(&tmpbuf, level + 1);
+		    strncpy_DYN(&tmpbuf, "%", 1);
+		    strncpy_DYN(&tmpbuf, src, 1);
+		    if (*src++ == '?') {
+			src = fmt_complex(src, level + 1);
+			if (*src != '\0' && *src != '%') {
+			    strncpy_DYN(&tmpbuf, "\n", 1);
+			    indent_DYN(&tmpbuf, level + 1);
+			}
+		    } else if (level == 1) {
+			_nc_warning("%%%c without %%?", *src);
+		    }
+		}
+		continue;
+	    }
+	    break;
+	case ';':		/* "endif" */
+	    if (percent) {
+		percent = FALSE;
+		if (level > 1) {
+		    tmpbuf.text[tmpbuf.used - 1] = '\n';
+		    indent_DYN(&tmpbuf, level);
+		    strncpy_DYN(&tmpbuf, "%", 1);
+		    strncpy_DYN(&tmpbuf, src++, 1);
+		    return src;
+		}
+		_nc_warning("%%; without %%?");
+	    }
+	    break;
+	case 'p':
+	    if (percent && params) {
+		tmpbuf.text[tmpbuf.used - 1] = '\n';
+		indent_DYN(&tmpbuf, level + 1);
+		strncpy_DYN(&tmpbuf, "%", 1);
+	    }
+	    params = FALSE;
+	    percent = FALSE;
+	    break;
+	case ' ':
+	    strncpy_DYN(&tmpbuf, "\\s", 2);
+	    ++src;
+	    continue;
+	default:
+	    percent = FALSE;
+	    break;
+	}
+	strncpy_DYN(&tmpbuf, src++, 1);
+    }
+    return src;
+}
+
+#define SAME_CAP(n,cap) (&tterm->Strings[n] == &cap)
+#define EXTRA_CAP 20
+
+int
+fmt_entry(TERMTYPE *tterm,
+	  PredFunc pred,
+	  bool content_only,
+	  bool suppress_untranslatable,
+	  bool infodump,
+	  int numbers)
+{
+    PredIdx i, j;
+    char buffer[MAX_TERMINFO_LENGTH + EXTRA_CAP];
+    char *capability;
+    NCURSES_CONST char *name;
+    int predval, len;
+    PredIdx num_bools = 0;
+    PredIdx num_values = 0;
+    PredIdx num_strings = 0;
+    bool outcount = 0;
+
+#define WRAP_CONCAT	\
+	wrap_concat(buffer); \
+	outcount = TRUE
+
+    len = 12;			/* terminfo file-header */
+
+    if (pred == 0) {
+	cur_type = tterm;
+	pred = dump_predicate;
+    }
+
+    strcpy_DYN(&outbuf, 0);
+    if (content_only) {
+	column = INDENT;	/* FIXME: workaround to prevent empty lines */
+    } else {
+	strcpy_DYN(&outbuf, tterm->term_names);
+	strcpy_DYN(&outbuf, separator);
+	column = (int) outbuf.used;
+	force_wrap();
+    }
+
+    for_each_boolean(j, tterm) {
+	i = BoolIndirect(j);
+	name = ExtBoolname(tterm, i, bool_names);
+	assert(strlen(name) < sizeof(buffer) - EXTRA_CAP);
+
+	if (!version_filter(BOOLEAN, i))
+	    continue;
+	else if (isObsolete(outform, name))
+	    continue;
+
+	predval = pred(BOOLEAN, i);
+	if (predval != FAIL) {
+	    (void) strcpy(buffer, name);
+	    if (predval <= 0)
+		(void) strcat(buffer, "@");
+	    else if (i + 1 > num_bools)
+		num_bools = i + 1;
+	    WRAP_CONCAT;
+	}
+    }
+
+    if (column != INDENT)
+	force_wrap();
+
+    for_each_number(j, tterm) {
+	i = NumIndirect(j);
+	name = ExtNumname(tterm, i, num_names);
+	assert(strlen(name) < sizeof(buffer) - EXTRA_CAP);
+
+	if (!version_filter(NUMBER, i))
+	    continue;
+	else if (isObsolete(outform, name))
+	    continue;
+
+	predval = pred(NUMBER, i);
+	if (predval != FAIL) {
+	    if (tterm->Numbers[i] < 0) {
+		sprintf(buffer, "%s@", name);
+	    } else {
+		sprintf(buffer, "%s#%d", name, tterm->Numbers[i]);
+		if (i + 1 > num_values)
+		    num_values = i + 1;
+	    }
+	    WRAP_CONCAT;
+	}
+    }
+
+    if (column != INDENT)
+	force_wrap();
+
+    len += (int) (num_bools
+		  + num_values * 2
+		  + strlen(tterm->term_names) + 1);
+    if (len & 1)
+	len++;
+
+#undef CUR
+#define CUR tterm->
+    if (outform == F_TERMCAP) {
+	if (termcap_reset != ABSENT_STRING) {
+	    if (init_3string != ABSENT_STRING
+		&& !strcmp(init_3string, termcap_reset))
+		DISCARD(init_3string);
+
+	    if (reset_2string != ABSENT_STRING
+		&& !strcmp(reset_2string, termcap_reset))
+		DISCARD(reset_2string);
+	}
+    }
+
+    for_each_string(j, tterm) {
+	i = StrIndirect(j);
+	name = ExtStrname(tterm, i, str_names);
+	assert(strlen(name) < sizeof(buffer) - EXTRA_CAP);
+
+	capability = tterm->Strings[i];
+
+	if (!version_filter(STRING, i))
+	    continue;
+	else if (isObsolete(outform, name))
+	    continue;
+
+#if NCURSES_XNAMES
+	/*
+	 * Extended names can be longer than 2 characters, but termcap programs
+	 * cannot read those (filter them out).
+	 */
+	if (outform == F_TERMCAP && (strlen(name) > 2))
+	    continue;
+#endif
+
+	if (outform == F_TERMCAP) {
+	    /*
+	     * Some older versions of vi want rmir/smir to be defined
+	     * for ich/ich1 to work.  If they're not defined, force
+	     * them to be output as defined and empty.
+	     */
+	    if (PRESENT(insert_character) || PRESENT(parm_ich)) {
+		if (SAME_CAP(i, enter_insert_mode)
+		    && enter_insert_mode == ABSENT_STRING) {
+		    (void) strcpy(buffer, "im=");
+		    WRAP_CONCAT;
+		    continue;
+		}
+
+		if (SAME_CAP(i, exit_insert_mode)
+		    && exit_insert_mode == ABSENT_STRING) {
+		    (void) strcpy(buffer, "ei=");
+		    WRAP_CONCAT;
+		    continue;
+		}
+	    }
+	    /*
+	     * termcap applications such as screen will be confused if sgr0
+	     * is translated to a string containing rmacs.  Filter that out.
+	     */
+	    if (PRESENT(exit_attribute_mode)) {
+		if (SAME_CAP(i, exit_attribute_mode)) {
+		    char *trimmed_sgr0;
+		    char *my_sgr = set_attributes;
+
+		    set_attributes = save_sgr;
+
+		    trimmed_sgr0 = _nc_trim_sgr0(tterm);
+		    if (strcmp(capability, trimmed_sgr0))
+			capability = trimmed_sgr0;
+
+		    set_attributes = my_sgr;
+		}
+	    }
+	}
+
+	predval = pred(STRING, i);
+	buffer[0] = '\0';
+
+	if (predval != FAIL) {
+	    if (capability != ABSENT_STRING
+		&& i + 1 > num_strings)
+		num_strings = i + 1;
+
+	    if (!VALID_STRING(capability)) {
+		sprintf(buffer, "%s@", name);
+		WRAP_CONCAT;
+	    } else if (outform == F_TERMCAP || outform == F_TCONVERR) {
+		int params = ((i < (int) SIZEOF(parametrized))
+			      ? parametrized[i]
+			      : 0);
+		char *srccap = _nc_tic_expand(capability, TRUE, numbers);
+		char *cv = _nc_infotocap(name, srccap, params);
+
+		if (cv == 0) {
+		    if (outform == F_TCONVERR) {
+			sprintf(buffer, "%s=!!! %s WILL NOT CONVERT !!!",
+				name, srccap);
+		    } else if (suppress_untranslatable) {
+			continue;
+		    } else {
+			char *s = srccap, *d = buffer;
+			sprintf(d, "..%s=", name);
+			d += strlen(d);
+			while ((*d = *s++) != 0) {
+			    if (*d == ':') {
+				*d++ = '\\';
+				*d = ':';
+			    } else if (*d == '\\') {
+				*++d = *s++;
+			    }
+			    d++;
+			}
+		    }
+		} else {
+		    sprintf(buffer, "%s=%s", name, cv);
+		}
+		len += (int) strlen(capability) + 1;
+		WRAP_CONCAT;
+	    } else {
+		char *src = _nc_tic_expand(capability,
+					   outform == F_TERMINFO, numbers);
+
+		strcpy_DYN(&tmpbuf, 0);
+		strcpy_DYN(&tmpbuf, name);
+		strcpy_DYN(&tmpbuf, "=");
+		if (pretty
+		    && (outform == F_TERMINFO
+			|| outform == F_VARIABLE)) {
+		    fmt_complex(src, 1);
+		} else {
+		    strcpy_DYN(&tmpbuf, src);
+		}
+		len += (int) strlen(capability) + 1;
+		wrap_concat(tmpbuf.text);
+		outcount = TRUE;
+	    }
+	}
+	/* e.g., trimmed_sgr0 */
+	if (capability != tterm->Strings[i])
+	    free(capability);
+    }
+    len += (int) (num_strings * 2);
+
+    /*
+     * This piece of code should be an effective inverse of the functions
+     * postprocess_terminfo() and postprocess_terminfo() in parse_entry.c.
+     * Much more work should be done on this to support dumping termcaps.
+     */
+    if (tversion == V_HPUX) {
+	if (VALID_STRING(memory_lock)) {
+	    (void) sprintf(buffer, "meml=%s", memory_lock);
+	    WRAP_CONCAT;
+	}
+	if (VALID_STRING(memory_unlock)) {
+	    (void) sprintf(buffer, "memu=%s", memory_unlock);
+	    WRAP_CONCAT;
+	}
+    } else if (tversion == V_AIX) {
+	if (VALID_STRING(acs_chars)) {
+	    bool box_ok = TRUE;
+	    const char *acstrans = "lqkxjmwuvtn";
+	    const char *cp;
+	    char *tp, *sp, boxchars[11];
+
+	    tp = boxchars;
+	    for (cp = acstrans; *cp; cp++) {
+		sp = strchr(acs_chars, *cp);
+		if (sp)
+		    *tp++ = sp[1];
+		else {
+		    box_ok = FALSE;
+		    break;
+		}
+	    }
+	    tp[0] = '\0';
+
+	    if (box_ok) {
+		(void) strcpy(buffer, "box1=");
+		(void) strcat(buffer, _nc_tic_expand(boxchars,
+						     outform == F_TERMINFO, numbers));
+		WRAP_CONCAT;
+	    }
+	}
+    }
+
+    /*
+     * kludge: trim off trailer to avoid an extra blank line
+     * in infocmp -u output when there are no string differences
+     */
+    if (outcount) {
+	bool trimmed = FALSE;
+	j = outbuf.used;
+	if (j >= 2
+	    && outbuf.text[j - 1] == '\t'
+	    && outbuf.text[j - 2] == '\n') {
+	    outbuf.used -= 2;
+	    trimmed = TRUE;
+	} else if (j >= 4
+		   && outbuf.text[j - 1] == ':'
+		   && outbuf.text[j - 2] == '\t'
+		   && outbuf.text[j - 3] == '\n'
+		   && outbuf.text[j - 4] == '\\') {
+	    outbuf.used -= 4;
+	    trimmed = TRUE;
+	}
+	if (trimmed) {
+	    outbuf.text[outbuf.used] = '\0';
+	    column = oldcol;
+	    strcpy_DYN(&outbuf, " ");
+	}
+    }
+#if 0
+    fprintf(stderr, "num_bools = %d\n", num_bools);
+    fprintf(stderr, "num_values = %d\n", num_values);
+    fprintf(stderr, "num_strings = %d\n", num_strings);
+    fprintf(stderr, "term_names=%s, len=%d, strlen(outbuf)=%d, outbuf=%s\n",
+	    tterm->term_names, len, outbuf.used, outbuf.text);
+#endif
+    /*
+     * Here's where we use infodump to trigger a more stringent length check
+     * for termcap-translation purposes.
+     * Return the length of the raw entry, without tc= expansions,
+     * It gives an idea of which entries are deadly to even *scan past*,
+     * as opposed to *use*.
+     */
+    return (infodump ? len : (int) termcap_length(outbuf.text));
+}
+
+static bool
+kill_string(TERMTYPE *tterm, char *cap)
+{
+    unsigned n;
+    for (n = 0; n < NUM_STRINGS(tterm); ++n) {
+	if (cap == tterm->Strings[n]) {
+	    tterm->Strings[n] = ABSENT_STRING;
+	    return TRUE;
+	}
+    }
+    return FALSE;
+}
+
+static char *
+find_string(TERMTYPE *tterm, char *name)
+{
+    PredIdx n;
+    for (n = 0; n < NUM_STRINGS(tterm); ++n) {
+	if (version_filter(STRING, n)
+	    && !strcmp(name, strnames[n])) {
+	    char *cap = tterm->Strings[n];
+	    if (VALID_STRING(cap)) {
+		return cap;
+	    }
+	    break;
+	}
+    }
+    return ABSENT_STRING;
+}
+
+/*
+ * This is used to remove function-key labels from a termcap entry to
+ * make it smaller.
+ */
+static int
+kill_labels(TERMTYPE *tterm, int target)
+{
+    int n;
+    int result = 0;
+    char *cap;
+    char name[10];
+
+    for (n = 0; n <= 10; ++n) {
+	sprintf(name, "lf%d", n);
+	if ((cap = find_string(tterm, name)) != ABSENT_STRING
+	    && kill_string(tterm, cap)) {
+	    target -= (int) (strlen(cap) + 5);
+	    ++result;
+	    if (target < 0)
+		break;
+	}
+    }
+    return result;
+}
+
+/*
+ * This is used to remove function-key definitions from a termcap entry to
+ * make it smaller.
+ */
+static int
+kill_fkeys(TERMTYPE *tterm, int target)
+{
+    int n;
+    int result = 0;
+    char *cap;
+    char name[10];
+
+    for (n = 60; n >= 0; --n) {
+	sprintf(name, "kf%d", n);
+	if ((cap = find_string(tterm, name)) != ABSENT_STRING
+	    && kill_string(tterm, cap)) {
+	    target -= (int) (strlen(cap) + 5);
+	    ++result;
+	    if (target < 0)
+		break;
+	}
+    }
+    return result;
+}
+
+/*
+ * Check if the given acsc string is a 1-1 mapping, i.e., just-like-vt100.
+ * Also, since this is for termcap, we only care about the line-drawing map.
+ */
+#define isLine(c) (strchr("lmkjtuvwqxn", c) != 0)
+
+static bool
+one_one_mapping(const char *mapping)
+{
+    bool result = TRUE;
+
+    if (mapping != ABSENT_STRING) {
+	int n = 0;
+	while (mapping[n] != '\0') {
+	    if (isLine(mapping[n]) &&
+		mapping[n] != mapping[n + 1]) {
+		result = FALSE;
+		break;
+	    }
+	    n += 2;
+	}
+    }
+    return result;
+}
+
+#define FMT_ENTRY() \
+		fmt_entry(tterm, pred, \
+			0, \
+			suppress_untranslatable, \
+			infodump, numbers)
+
+#define SHOW_WHY PRINTF
+
+static bool
+purged_acs(TERMTYPE *tterm)
+{
+    bool result = FALSE;
+
+    if (VALID_STRING(acs_chars)) {
+	if (!one_one_mapping(acs_chars)) {
+	    enter_alt_charset_mode = ABSENT_STRING;
+	    exit_alt_charset_mode = ABSENT_STRING;
+	    SHOW_WHY("# (rmacs/smacs removed for consistency)\n");
+	}
+	result = TRUE;
+    }
+    return result;
+}
+
+/*
+ * Dump a single entry.
+ */
+void
+dump_entry(TERMTYPE *tterm,
+	   bool suppress_untranslatable,
+	   bool limited,
+	   int numbers,
+	   PredFunc pred)
+{
+    TERMTYPE save_tterm;
+    int len, critlen;
+    const char *legend;
+    bool infodump;
+
+    if (outform == F_TERMCAP || outform == F_TCONVERR) {
+	critlen = MAX_TERMCAP_LENGTH;
+	legend = "older termcap";
+	infodump = FALSE;
+	set_obsolete_termcaps(tterm);
+    } else {
+	critlen = MAX_TERMINFO_LENGTH;
+	legend = "terminfo";
+	infodump = TRUE;
+    }
+
+    save_sgr = set_attributes;
+
+    if (((len = FMT_ENTRY()) > critlen)
+	&& limited) {
+
+	save_tterm = *tterm;
+	if (!suppress_untranslatable) {
+	    SHOW_WHY("# (untranslatable capabilities removed to fit entry within %d bytes)\n",
+		     critlen);
+	    suppress_untranslatable = TRUE;
+	}
+	if ((len = FMT_ENTRY()) > critlen) {
+	    /*
+	     * We pick on sgr because it's a nice long string capability that
+	     * is really just an optimization hack.  Another good candidate is
+	     * acsc since it is both long and unused by BSD termcap.
+	     */
+	    bool changed = FALSE;
+
+#if NCURSES_XNAMES
+	    /*
+	     * Extended names are most likely function-key definitions.  Drop
+	     * those first.
+	     */
+	    unsigned n;
+	    for (n = STRCOUNT; n < NUM_STRINGS(tterm); n++) {
+		const char *name = ExtStrname(tterm, n, strnames);
+
+		if (VALID_STRING(tterm->Strings[n])) {
+		    set_attributes = ABSENT_STRING;
+		    /* we remove long names anyway - only report the short */
+		    if (strlen(name) <= 2) {
+			SHOW_WHY("# (%s removed to fit entry within %d bytes)\n",
+				 name,
+				 critlen);
+		    }
+		    changed = TRUE;
+		    if ((len = FMT_ENTRY()) <= critlen)
+			break;
+		}
+	    }
+#endif
+	    if (VALID_STRING(set_attributes)) {
+		set_attributes = ABSENT_STRING;
+		SHOW_WHY("# (sgr removed to fit entry within %d bytes)\n",
+			 critlen);
+		changed = TRUE;
+	    }
+	    if (!changed || ((len = FMT_ENTRY()) > critlen)) {
+		if (purged_acs(tterm)) {
+		    acs_chars = ABSENT_STRING;
+		    SHOW_WHY("# (acsc removed to fit entry within %d bytes)\n",
+			     critlen);
+		    changed = TRUE;
+		}
+	    }
+	    if (!changed || ((len = FMT_ENTRY()) > critlen)) {
+		int oldversion = tversion;
+
+		tversion = V_BSD;
+		SHOW_WHY("# (terminfo-only capabilities suppressed to fit entry within %d bytes)\n",
+			 critlen);
+
+		len = FMT_ENTRY();
+		if (len > critlen
+		    && kill_labels(tterm, len - critlen)) {
+		    SHOW_WHY("# (some labels capabilities suppressed to fit entry within %d bytes)\n",
+			     critlen);
+		    len = FMT_ENTRY();
+		}
+		if (len > critlen
+		    && kill_fkeys(tterm, len - critlen)) {
+		    SHOW_WHY("# (some function-key capabilities suppressed to fit entry within %d bytes)\n",
+			     critlen);
+		    len = FMT_ENTRY();
+		}
+		if (len > critlen) {
+		    (void) fprintf(stderr,
+				   "warning: %s entry is %d bytes long\n",
+				   _nc_first_name(tterm->term_names),
+				   len);
+		    SHOW_WHY("# WARNING: this entry, %d bytes long, may core-dump %s libraries!\n",
+			     len, legend);
+		}
+		tversion = oldversion;
+	    }
+	    set_attributes = save_sgr;
+	    *tterm = save_tterm;
+	}
+    } else if (!version_filter(STRING, STR_IDX(acs_chars))) {
+	save_tterm = *tterm;
+	if (purged_acs(tterm)) {
+	    len = FMT_ENTRY();
+	}
+	*tterm = save_tterm;
+    }
+}
+
+void
+dump_uses(const char *name, bool infodump)
+/* dump "use=" clauses in the appropriate format */
+{
+    char buffer[MAX_TERMINFO_LENGTH];
+
+    if (outform == F_TERMCAP || outform == F_TCONVERR)
+	trim_trailing();
+    (void) sprintf(buffer, "%s%s", infodump ? "use=" : "tc=", name);
+    wrap_concat(buffer);
+}
+
+int
+show_entry(void)
+{
+    trim_trailing();
+    (void) fputs(outbuf.text, stdout);
+    putchar('\n');
+    return (int) outbuf.used;
+}
+
+void
+compare_entry(void (*hook) (PredType t, PredIdx i, const char *name),
+	      TERMTYPE *tp GCC_UNUSED,
+	      bool quiet)
+/* compare two entries */
+{
+    PredIdx i, j;
+    NCURSES_CONST char *name;
+
+    if (!quiet)
+	fputs("    comparing booleans.\n", stdout);
+    for_each_boolean(j, tp) {
+	i = BoolIndirect(j);
+	name = ExtBoolname(tp, i, bool_names);
+
+	if (isObsolete(outform, name))
+	    continue;
+
+	(*hook) (CMP_BOOLEAN, i, name);
+    }
+
+    if (!quiet)
+	fputs("    comparing numbers.\n", stdout);
+    for_each_number(j, tp) {
+	i = NumIndirect(j);
+	name = ExtNumname(tp, i, num_names);
+
+	if (isObsolete(outform, name))
+	    continue;
+
+	(*hook) (CMP_NUMBER, i, name);
+    }
+
+    if (!quiet)
+	fputs("    comparing strings.\n", stdout);
+    for_each_string(j, tp) {
+	i = StrIndirect(j);
+	name = ExtStrname(tp, i, str_names);
+
+	if (isObsolete(outform, name))
+	    continue;
+
+	(*hook) (CMP_STRING, i, name);
+    }
+
+    /* (void) fputs("    comparing use entries.\n", stdout); */
+    (*hook) (CMP_USE, 0, "use");
+
+}
+
+#define NOTSET(s)	((s) == 0)
+
+/*
+ * This bit of legerdemain turns all the terminfo variable names into
+ * references to locations in the arrays Booleans, Numbers, and Strings ---
+ * precisely what's needed.
+ */
+#undef CUR
+#define CUR tp->
+
+static void
+set_obsolete_termcaps(TERMTYPE *tp)
+{
+#include "capdefaults.c"
+}
+
+/*
+ * Convert an alternate-character-set string to canonical form: sorted and
+ * unique.
+ */
+void
+repair_acsc(TERMTYPE *tp)
+{
+    if (VALID_STRING(acs_chars)) {
+	size_t n, m;
+	char mapped[256];
+	char extra = 0;
+	unsigned source;
+	unsigned target;
+	bool fix_needed = FALSE;
+
+	for (n = 0, source = 0; acs_chars[n] != 0; n++) {
+	    target = UChar(acs_chars[n]);
+	    if (source >= target) {
+		fix_needed = TRUE;
+		break;
+	    }
+	    source = target;
+	    if (acs_chars[n + 1])
+		n++;
+	}
+	if (fix_needed) {
+	    memset(mapped, 0, sizeof(mapped));
+	    for (n = 0; acs_chars[n] != 0; n++) {
+		source = UChar(acs_chars[n]);
+		if ((target = (unsigned char) acs_chars[n + 1]) != 0) {
+		    mapped[source] = (char) target;
+		    n++;
+		} else {
+		    extra = (char) source;
+		}
+	    }
+	    for (n = m = 0; n < sizeof(mapped); n++) {
+		if (mapped[n]) {
+		    acs_chars[m++] = (char) n;
+		    acs_chars[m++] = mapped[n];
+		}
+	    }
+	    if (extra)
+		acs_chars[m++] = extra;		/* garbage in, garbage out */
+	    acs_chars[m] = 0;
+	}
+    }
+}