1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 1992-2009 Edwin Groothuis <edwin@FreeBSD.org>. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 */ 29 30 #include <sys/cdefs.h> 31 __FBSDID("$FreeBSD$"); 32 33 #include <sys/time.h> 34 #include <err.h> 35 #include <stdio.h> 36 #include <stdlib.h> 37 #include <string.h> 38 39 #include "pathnames.h" 40 #include "calendar.h" 41 42 struct event * 43 event_add(int year, int month, int day, char *date, int var, char *txt, 44 char *extra) 45 { 46 struct event *e; 47 48 /* 49 * Creating a new event: 50 * - Create a new event 51 * - Copy the machine readable day and month 52 * - Copy the human readable and language specific date 53 * - Copy the text of the event 54 */ 55 e = (struct event *)calloc(1, sizeof(struct event)); 56 if (e == NULL) 57 errx(1, "event_add: cannot allocate memory"); 58 e->month = month; 59 e->day = day; 60 e->var = var; 61 e->date = strdup(date); 62 if (e->date == NULL) 63 errx(1, "event_add: cannot allocate memory"); 64 e->text = strdup(txt); 65 if (e->text == NULL) 66 errx(1, "event_add: cannot allocate memory"); 67 e->extra = NULL; 68 if (extra != NULL && extra[0] != '\0') 69 e->extra = strdup(extra); 70 addtodate(e, year, month, day); 71 return (e); 72 } 73 74 void 75 event_continue(struct event *e, char *txt) 76 { 77 char *text; 78 79 /* 80 * Adding text to the event: 81 * - Save a copy of the old text (unknown length, so strdup()) 82 * - Allocate enough space for old text + \n + new text + 0 83 * - Store the old text + \n + new text 84 * - Destroy the saved copy. 85 */ 86 text = strdup(e->text); 87 if (text == NULL) 88 errx(1, "event_continue: cannot allocate memory"); 89 90 free(e->text); 91 asprintf(&e->text, "%s\n%s", text, txt); 92 if (e->text == NULL) 93 errx(1, "event_continue: cannot allocate memory"); 94 free(text); 95 96 return; 97 } 98 99 void 100 event_print_all(FILE *fp) 101 { 102 struct event *e; 103 104 while (walkthrough_dates(&e) != 0) { 105 #ifdef DEBUG 106 fprintf(stderr, "event_print_allmonth: %d, day: %d\n", 107 month, day); 108 #endif 109 110 /* 111 * Go through all events and print the text of the matching 112 * dates 113 */ 114 while (e != NULL) { 115 (void)fprintf(fp, "%s%c%s%s%s%s\n", e->date, 116 e->var ? '*' : ' ', e->text, 117 e->extra != NULL ? " (" : "", 118 e->extra != NULL ? e->extra : "", 119 e->extra != NULL ? ")" : "" 120 ); 121 122 e = e->next; 123 } 124 } 125 } 126