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-rw-r--r--usr.bin/calendar/events.c126
1 files changed, 126 insertions, 0 deletions
diff --git a/usr.bin/calendar/events.c b/usr.bin/calendar/events.c
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--- /dev/null
+++ b/usr.bin/calendar/events.c
@@ -0,0 +1,126 @@
+/*-
+ * Copyright (c) 1992-2009 Edwin Groothuis <edwin@FreeBSD.org>.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/time.h>
+#include <err.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "pathnames.h"
+#include "calendar.h"
+
+struct event *
+event_add(int year, int month, int day, char *date, int var, char *txt,
+ char *extra)
+{
+ struct event *e;
+
+ /*
+ * Creating a new event:
+ * - Create a new event
+ * - Copy the machine readable day and month
+ * - Copy the human readable and language specific date
+ * - Copy the text of the event
+ */
+ e = (struct event *)calloc(1, sizeof(struct event));
+ if (e == NULL)
+ errx(1, "event_add: cannot allocate memory");
+ e->month = month;
+ e->day = day;
+ e->var = var;
+ e->date = strdup(date);
+ if (e->date == NULL)
+ errx(1, "event_add: cannot allocate memory");
+ e->text = strdup(txt);
+ if (e->text == NULL)
+ errx(1, "event_add: cannot allocate memory");
+ e->extra = NULL;
+ if (extra != NULL && extra[0] != '\0')
+ e->extra = strdup(extra);
+ addtodate(e, year, month, day);
+ return (e);
+}
+
+void
+event_continue(struct event *e, char *txt)
+{
+ char *text;
+
+ /*
+ * Adding text to the event:
+ * - Save a copy of the old text (unknown length, so strdup())
+ * - Allocate enough space for old text + \n + new text + 0
+ * - Store the old text + \n + new text
+ * - Destroy the saved copy.
+ */
+ text = strdup(e->text);
+ if (text == NULL)
+ errx(1, "event_continue: cannot allocate memory");
+
+ free(e->text);
+ e->text = (char *)malloc(strlen(text) + strlen(txt) + 3);
+ if (e->text == NULL)
+ errx(1, "event_continue: cannot allocate memory");
+ strcpy(e->text, text);
+ strcat(e->text, "\n");
+ strcat(e->text, txt);
+ free(text);
+
+ return;
+}
+
+void
+event_print_all(FILE *fp)
+{
+ struct event *e;
+
+ while (walkthrough_dates(&e) != 0) {
+#ifdef DEBUG
+ fprintf(stderr, "event_print_allmonth: %d, day: %d\n",
+ month, day);
+#endif
+
+ /*
+ * Go through all events and print the text of the matching
+ * dates
+ */
+ while (e != NULL) {
+ (void)fprintf(fp, "%s%c%s%s%s%s\n", e->date,
+ e->var ? '*' : ' ', e->text,
+ e->extra != NULL ? " (" : "",
+ e->extra != NULL ? e->extra : "",
+ e->extra != NULL ? ")" : ""
+ );
+
+ e = e->next;
+ }
+ }
+}
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