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usr / src / contrib / ncurses / ncurses / tinfo /

📁 ..
📄 MKcaptab.awk(3.75 KB)
📄 MKcaptab.sh(6.23 KB)
📄 MKcodes.awk(6.15 KB)
📄 MKfallback.sh(4.32 KB)
📄 MKkeys_list.sh(2.83 KB)
📄 MKnames.awk(7.32 KB)
📄 MKuserdefs.sh(4.51 KB)
📄 README(2.67 KB)
📄 access.c(5.24 KB)
📄 add_tries.c(4.12 KB)
📄 alloc_entry.c(8.89 KB)
📄 alloc_ttype.c(17.38 KB)
📄 captoinfo.c(25.38 KB)
📄 comp_error.c(5.19 KB)
📄 comp_expand.c(7.11 KB)
📄 comp_hash.c(5.43 KB)
📄 comp_parse.c(19.35 KB)
📄 comp_scan.c(25.5 KB)
📄 db_iterator.c(11.56 KB)
📄 doalloc.c(2.94 KB)
📄 entries.c(5.38 KB)
📄 free_ttype.c(3.64 KB)
📄 getenv_num.c(3.22 KB)
📄 hashed_db.c(8.09 KB)
📄 home_terminfo.c(3.07 KB)
📄 init_keytry.c(3.91 KB)
📄 lib_acs.c(12.9 KB)
📄 lib_baudrate.c(7.41 KB)
📄 lib_cur_term.c(5.58 KB)
📄 lib_data.c(10.92 KB)
📄 lib_has_cap.c(3.68 KB)
📄 lib_kernel.c(5.17 KB)
📄 lib_longname.c(3.73 KB)
📄 lib_napms.c(3.7 KB)
📄 lib_options.c(9.58 KB)
📄 lib_print.c(4.44 KB)
📄 lib_raw.c(9.45 KB)
📄 lib_setup.c(24.89 KB)
📄 lib_termcap.c(12.72 KB)
📄 lib_termname.c(2.68 KB)
📄 lib_tgoto.c(5.93 KB)
📄 lib_ti.c(5.58 KB)
📄 lib_tparm.c(20.23 KB)
📄 lib_tputs.c(11.39 KB)
📄 lib_ttyflags.c(7.86 KB)
📄 make_hash.c(11.92 KB)
📄 make_keys.c(4.79 KB)
📄 name_match.c(4.21 KB)
📄 obsolete.c(6.93 KB)
📄 parse_entry.c(32.3 KB)
📄 read_entry.c(24.47 KB)
📄 read_termcap.c(33.32 KB)
📄 strings.c(4.65 KB)
📄 tinfo_driver.c(34.5 KB)
📄 trim_sgr0.c(9.39 KB)
📄 use_screen.c(3.05 KB)
📄 write_entry.c(24.01 KB)

Editing: add_tries.c

/****************************************************************************
 * Copyright 2019,2020 Thomas E. Dickey                                     *
 * Copyright 1998-2009,2010 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: Thomas E. Dickey            1998-on                             *
 ****************************************************************************/

/*
**	add_tries.c
**
**	Add keycode/string to tries-tree.
**
*/

#include <curses.priv.h>

MODULE_ID("$Id: add_tries.c,v 1.12 2020/02/02 23:34:34 tom Exp $")

#define SET_TRY(dst,src) if ((dst->ch = *src++) == 128) dst->ch = '\0'
#define CMP_TRY(a,b) ((a)? (a == b) : (b == 128))

NCURSES_EXPORT(int)
_nc_add_to_try(TRIES ** tree, const char *str, unsigned code)
{
    TRIES *ptr, *savedptr;
    unsigned const char *txt = (unsigned const char *) str;

T((T_CALLED("_nc_add_to_try(%p, %s, %u)"),
       (void *) *tree, _nc_visbuf(str), code));
    if (txt == 0 || *txt == '\0' || code == 0)
	returnCode(ERR);

if ((*tree) != 0) {
	ptr = savedptr = (*tree);

for (;;) {
	    unsigned char cmp = *txt;

while (!CMP_TRY(ptr->ch, cmp)
		   && ptr->sibling != 0)
		ptr = ptr->sibling;

if (CMP_TRY(ptr->ch, cmp)) {
		if (*(++txt) == '\0') {
		    ptr->value = (unsigned short) code;
		    returnCode(OK);
		}
		if (ptr->child != 0)
		    ptr = ptr->child;
		else
		    break;
	    } else {
		if ((ptr->sibling = typeCalloc(TRIES, 1)) == 0) {
		    returnCode(ERR);
		}

savedptr = ptr = ptr->sibling;
		SET_TRY(ptr, txt);
		ptr->value = 0;

break;
	    }
	}			/* end for (;;) */
    } else {			/* (*tree) == 0 :: First sequence to be added */
	savedptr = ptr = (*tree) = typeCalloc(TRIES, 1);

if (ptr == 0) {
	    returnCode(ERR);
	}

SET_TRY(ptr, txt);
	ptr->value = 0;
    }

/* at this point, we are adding to the try.  ptr->child == 0 */

while (*txt) {
	ptr->child = typeCalloc(TRIES, 1);

ptr = ptr->child;

if (ptr == 0) {
	    while ((ptr = savedptr) != 0) {
		savedptr = ptr->child;
		free(ptr);
	    }
	    *tree = NULL;
	    returnCode(ERR);
	}

SET_TRY(ptr, txt);
	ptr->value = 0;
    }

ptr->value = (unsigned short) code;
    returnCode(OK);
}

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Editing: add_tries.c

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