name_match.c revision 1.5
1/* $OpenBSD: name_match.c,v 1.5 2023/10/17 09:52:09 nicm Exp $ */ 2 3/**************************************************************************** 4 * Copyright 2020 Thomas E. Dickey * 5 * Copyright 1998-2013,2016 Free Software Foundation, Inc. * 6 * * 7 * Permission is hereby granted, free of charge, to any person obtaining a * 8 * copy of this software and associated documentation files (the * 9 * "Software"), to deal in the Software without restriction, including * 10 * without limitation the rights to use, copy, modify, merge, publish, * 11 * distribute, distribute with modifications, sublicense, and/or sell * 12 * copies of the Software, and to permit persons to whom the Software is * 13 * furnished to do so, subject to the following conditions: * 14 * * 15 * The above copyright notice and this permission notice shall be included * 16 * in all copies or substantial portions of the Software. * 17 * * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 21 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 22 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 23 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 24 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 25 * * 26 * Except as contained in this notice, the name(s) of the above copyright * 27 * holders shall not be used in advertising or otherwise to promote the * 28 * sale, use or other dealings in this Software without prior written * 29 * authorization. * 30 ****************************************************************************/ 31 32/**************************************************************************** 33 * Author: Thomas E. Dickey 1999-on * 34 ****************************************************************************/ 35 36#include <curses.priv.h> 37#include <tic.h> 38 39MODULE_ID("$Id: name_match.c,v 1.5 2023/10/17 09:52:09 nicm Exp $") 40 41#define FirstName _nc_globals.first_name 42 43#if NCURSES_USE_TERMCAP && NCURSES_XNAMES 44static const char * 45skip_index(const char *name) 46{ 47 if ((_nc_syntax == SYN_TERMCAP) && _nc_user_definable) { 48 const char *bar = strchr(name, '|'); 49 if (bar != 0 && (bar - name) == 2) 50 name = bar + 1; 51 } 52 return name; 53} 54#endif 55 56/* 57 * Get the primary name from the given name list. For terminfo, this is the 58 * first name. For termcap, this may be the second name, if the first one 59 * happens to be two characters. 60 */ 61NCURSES_EXPORT(char *) 62_nc_first_name(const char *const sp) 63{ 64#if NO_LEAKS 65 if (sp == 0) { 66 if (FirstName != 0) { 67 FreeAndNull(FirstName); 68 } 69 } else 70#endif 71 { 72 if (FirstName == 0) 73 FirstName = typeMalloc(char, MAX_NAME_SIZE + 1); 74 75 if (FirstName != 0) { 76 unsigned n; 77 const char *src = sp; 78#if NCURSES_USE_TERMCAP && NCURSES_XNAMES 79 src = skip_index(sp); 80#endif 81 for (n = 0; n < MAX_NAME_SIZE; n++) { 82 if ((FirstName[n] = src[n]) == '\0' 83 || (FirstName[n] == '|')) 84 break; 85 } 86 FirstName[n] = '\0'; 87 } 88 } 89 return (FirstName); 90} 91 92/* 93 * Is the given name matched in namelist? 94 */ 95NCURSES_EXPORT(int) 96_nc_name_match(const char *const namelst, const char *const name, const char *const delim) 97{ 98 const char *s; 99 100 if ((s = namelst) != 0) { 101 while (*s != '\0') { 102 const char *d, *t; 103 int code, found; 104 105 for (d = name; *d != '\0'; d++) { 106 if (*s != *d) 107 break; 108 s++; 109 } 110 found = FALSE; 111 for (code = TRUE; *s != '\0'; code = FALSE, s++) { 112 for (t = delim; *t != '\0'; t++) { 113 if (*s == *t) { 114 found = TRUE; 115 break; 116 } 117 } 118 if (found) 119 break; 120 } 121 if (code && *d == '\0') 122 return code; 123 if (*s++ == 0) 124 break; 125 } 126 } 127 return FALSE; 128} 129