1 /* $OpenBSD: lib_slkset.c,v 1.3 2001/01/22 18:05:43 millert Exp $ */ 2 3 /**************************************************************************** 4 * Copyright (c) 1998,2000 Free Software Foundation, Inc. * 5 * * 6 * Permission is hereby granted, free of charge, to any person obtaining a * 7 * copy of this software and associated documentation files (the * 8 * "Software"), to deal in the Software without restriction, including * 9 * without limitation the rights to use, copy, modify, merge, publish, * 10 * distribute, distribute with modifications, sublicense, and/or sell * 11 * copies of the Software, and to permit persons to whom the Software is * 12 * furnished to do so, subject to the following conditions: * 13 * * 14 * The above copyright notice and this permission notice shall be included * 15 * in all copies or substantial portions of the Software. * 16 * * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * 18 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * 19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * 20 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, * 21 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * 22 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR * 23 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. * 24 * * 25 * Except as contained in this notice, the name(s) of the above copyright * 26 * holders shall not be used in advertising or otherwise to promote the * 27 * sale, use or other dealings in this Software without prior written * 28 * authorization. * 29 ****************************************************************************/ 30 31 /**************************************************************************** 32 * Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995 * 33 * and: Eric S. Raymond <esr@snark.thyrsus.com> * 34 ****************************************************************************/ 35 36 /* 37 * lib_slkset.c 38 * Set soft label text. 39 */ 40 #include <curses.priv.h> 41 #include <ctype.h> 42 43 MODULE_ID("$From: lib_slkset.c,v 1.6 2000/12/10 02:43:27 tom Exp $") 44 45 NCURSES_EXPORT(int) 46 slk_set(int i, const char *astr, int format) 47 { 48 SLK *slk = SP->_slk; 49 size_t len; 50 const char *str = astr; 51 const char *p; 52 53 T((T_CALLED("slk_set(%d, \"%s\", %d)"), i, str, format)); 54 55 if (slk == NULL || i < 1 || i > slk->labcnt || format < 0 || format > 2) 56 returnCode(ERR); 57 if (str == NULL) 58 str = ""; 59 60 while (isspace(CharOf(*str))) 61 str++; /* skip over leading spaces */ 62 p = str; 63 while (isprint(CharOf(*p))) 64 p++; /* The first non-print stops */ 65 66 --i; /* Adjust numbering of labels */ 67 68 len = (size_t) (p - str); 69 if (len > (unsigned) slk->maxlen) 70 len = slk->maxlen; 71 if (len == 0) 72 slk->ent[i].text[0] = 0; 73 else 74 (void) strlcpy(slk->ent[i].text, str, len+1); 75 memset(slk->ent[i].form_text, ' ', (unsigned) slk->maxlen); 76 /* len = strlen(slk->ent[i].text); */ 77 78 switch (format) { 79 case 0: /* left-justified */ 80 memcpy(slk->ent[i].form_text, 81 slk->ent[i].text, 82 len); 83 break; 84 case 1: /* centered */ 85 memcpy(slk->ent[i].form_text + (slk->maxlen - len) / 2, 86 slk->ent[i].text, 87 len); 88 break; 89 case 2: /* right-justified */ 90 memcpy(slk->ent[i].form_text + slk->maxlen - len, 91 slk->ent[i].text, 92 len); 93 break; 94 } 95 slk->ent[i].form_text[slk->maxlen] = 0; 96 slk->ent[i].dirty = TRUE; 97 returnCode(OK); 98 } 99