# HG changeset patch
# User markus schnalke <meillo@marmaro.de>
# Date 1393260417 -3600
# Node ID 032af48d590bdb0429d480842572b6e4ef62d3f8
# Parent  a56120a4678f11a0b8ad482cbe33d0d22902defb
reformating of the source code

diff -r a56120a4678f -r 032af48d590b bday.c
--- a/bday.c	Thu Nov 13 13:31:33 2008 +0100
+++ b/bday.c	Mon Feb 24 17:46:57 2014 +0100
@@ -1,55 +1,54 @@
 /*
-	bday
+bday -- Birthday/Anniversary reminder
 
-	Birthday/Anniversary reminder
+(c) 2007,2014 markus schnalke <meillo@marmaro.de>
+(c) 1994-1999 AS Mortimer
 
-	(c) 2007 markus schnalke <meillo@marmaro.de>
-	(c) 1994-1999 AS Mortimer
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.  You may also
+distribute it under the Artistic License, as comes with Perl.
 
-	This program is free software; you can redistribute it and/or
-	modify it under the terms of the GNU General Public License as
-	published by the Free Software Foundation; either version 2 of the
-	License, or (at your option) any later version.  You may also
-	distribute it under the Artistic License, as comes with Perl.
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 
-	This program is distributed in the hope that it will be useful,
-	but WITHOUT ANY WARRANTY; without even the implied warranty of
-	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
-	You should have received a copy of the GNU General Public License
-	along with this program; if not, write to the Free Software
-	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+You should also have recieved a copy of the Artistic license with
+this program.
 
-	You should also have recieved a copy of the Artistic license with
-	this program.
+=====================================================================
 
-===============================================================================
+Input is read through standard input. For example: bday < ~/.birthdays
+The input (file) has to have the following format:
 
-	Input is read through standard input. For example: bday < ~/.birthdays
-	The input (file) has to have the following format:
+text=date flags
 
-	text=date flags
+where:
+	date is yyyy-mm-dd
+	flags is ONE or ZERO of
+		bd  for a birthday (default)
+		ann for an anniversary
+		ev  for an event
+	and zero or more of
+		w <n> to set the warn-in-advance time to n days
+			(don't include the brackets! :)
+		to <date>
+		for <days>
+			to specify the length of time taken by an
+			event, for example a holiday.
 
-	where:
-		date is yyyy-mm-dd
-		flags is ONE or ZERO of
-			bd  for a birthday (default)
-			ann for an anniversary
-			ev  for an event
-		and zero or more of
-			w <n> to set the warn-in-advance time to n days (don't include the
-				brackets! :)
-			to <date>
-			for <days>
-				to specify the length of time taken by an event, for example a holiday.
+Lines preceeded by # are treated as comments.
 
-	Lines preceeded by # are treated as comments.
+Note: If you deviate from this format, I cannot guarantee anything about
+	it's behaviour. In most cases, it will just quietly ignore the
+	error, which probably isn't ideal behaviour. Oh, well.
 
-	Note: If you deviate from this format, I cannot guarantee anything about
-	it's behaviour. In most cases, it will just quietly ignore the error,
-	which probably isn't ideal behaviour. Oh, well.
-
-===============================================================================
+=====================================================================
 */
 
 
@@ -94,37 +93,37 @@
 const struct _ftable FTABLE[];
 
 struct date {
-  unsigned day;
-  unsigned month;
-  unsigned year;
+	unsigned day;
+	unsigned month;
+	unsigned year;
 };
 
 struct event {
-  char* text;
-  struct date date;
-  struct date enddate;
-  int warn;
+	char* text;
+	struct date date;
+	struct date enddate;
+	int warn;
 };
 
 typedef int (*prnfunc)(const char *);
 
 /* ========== Global Variables */
 
-struct event* readlist(void);
+struct event *readlist(void);
 void gettoday(void);
-unsigned delta(struct date*);
-unsigned ddiff(struct date* D1, struct date* D2);
-void liststrings(struct event* evl, prnfunc outf);
-char* tdelta(struct date* d);
-char* ttime(int yr, int mn, int wk, int dy);
-int skptok(int j, char* ptr);
-int evcmp(const void* e1, const void* e2);
+unsigned delta(struct date *);
+unsigned ddiff(struct date *D1, struct date *D2);
+void liststrings(struct event *evl, prnfunc outf);
+char *tdelta(struct date *d);
+char *ttime(int yr, int mn, int wk, int dy);
+int skptok(int j, char *ptr);
+int evcmp(const void *e1, const void *e2);
 
 
 struct date today;
-int iDWarn   = DEF_WARN;
+int iDWarn = DEF_WARN;
 
-const unsigned MLENDAT[]={31,-1,31,30,31,30,31,31,30,31,30,31};
+const unsigned MLENDAT[] = {31,-1,31,30,31,30,31,31,30,31,30,31};
 
 const struct _ftable FTABLE[] = {
 	{"bd", F_TBIRTHDAY},
@@ -142,13 +141,15 @@
 
 
 /*
-	xmalloc/xrealloc functions
-	Note: the x* functions are lifted straight from the GNU libc info docs
-	$Id: xmalloc.c,v 1.2 1999/01/16 17:08:59 andy Exp $
+xmalloc/xrealloc functions
+Note: the x* functions are lifted straight from the GNU libc info docs
+$Id: xmalloc.c,v 1.2 1999/01/16 17:08:59 andy Exp $
 */
 
-void* xmalloc (size_t size) {
-	register void* value = malloc (size);
+void *
+xmalloc(size_t size)
+{
+	register void *value = malloc (size);
 	if (value == 0) {
 		fprintf(stderr, "virtual memory exhausted\n");
 		exit(1);
@@ -156,8 +157,10 @@
 	return value;
 }
 
-void* xrealloc (void* ptr, size_t size) {
-	register void* value = realloc (ptr, size);
+void *
+xrealloc(void *ptr, size_t size)
+{
+	register void *value = realloc (ptr, size);
 	if (value == 0) {
 		fprintf(stderr, "virtual memory exhausted\n");
 		exit(1);
@@ -169,8 +172,10 @@
 /* ========== */
 
 
-/* like strcat(), but lets the buffer automagically grow :-)
- * (needs local variable "size" with the buffer size) */
+/*
+like strcat(), but lets the buffer automagically grow :-)
+(needs local variable "size" with the buffer size)
+*/
 #define append(where, what) do {                            \
 	if (strlen(what) > (size - strlen(where))) {          \
 		xrealloc(where, size + 128 + strlen(what));   \
@@ -181,46 +186,50 @@
 
 /* ========== */
 
-/* returns delta(d) in days, weeks, months, etc
- * the returned buffer is malloc()ed, do not forget to free() it */
-char* tdelta(struct date* d) {
+/*
+returns delta(d) in days, weeks, months, etc
+the returned buffer is malloc()ed, do not forget to free() it
+*/
+char *
+tdelta(struct date *d)
+{
 	int dy, wk, mn, yr;
-	char* tmp;
-	char* buf = xmalloc(128);
+	char *tmp;
+	char *buf = xmalloc(128);
 	int size = 128;
+
 	*buf = 0;
+	switch (delta(d)) {
+	case 0:
+		append(buf, "today");
+		return buf;
+	case 1:
+		append(buf, "tomorrow");
+		return buf;
+	default:
+		/* like delta(), we ignore the year */
+		yr = -before(*d, today);
+		mn = d->month - today.month;
+		dy = d->day - today.day;
 
-	switch (delta(d)) {
-		case 0:
-			append(buf, "today");
-			return buf;
-		case 1:
-			append(buf, "tomorrow");
-			return buf;
-		default:
-			/* like delta(), we ignore the year */
-			yr = -before(*d, today);
-			mn = d->month - today.month;
-			dy = d->day - today.day;
+		if (dy < 0) {
+			dy += mlen(today.month, today.year);
+			mn--;
+		}
+		if (mn < 0) {
+			mn += 12;
+			yr++;
+		}
 
-			if (dy < 0) {
-				dy += mlen(today.month, today.year);
-				mn--;
-			}
-			if (mn < 0) {
-				mn += 12;
-				yr++;
-			}
+		wk = (dy / 7);
+		dy %= 7;
 
-			wk = (dy / 7);
-			dy %= 7;
+		append(buf, "in ");
+		tmp = ttime(yr, mn, wk, dy);
+		append(buf, tmp);
+		free(tmp);
 
-			append(buf, "in ");
-			tmp = ttime(yr, mn, wk, dy);
-			append(buf, tmp);
-			free(tmp);
-
-			return buf;
+		return buf;
 	}
 }
 
@@ -229,23 +238,23 @@
 
 
 /*
-void donum(n,txt) {
-	do {
-		if (n > 0) {
-			snprintf(tmp, sizeof(tmp), "%d", n);
-			append(buf, tmp);
-			append(buf, " " txt);
-			if (n != 1)
-				append(buf, "s");
-			terms--;
-			if (orgterms > 1) {
-				if (terms == 1)
-					append(buf, " and ");
-				else if (terms > 1)
-					append(buf, ", ");
-			}
+void
+donum(n,txt)
+{
+	if (n > 0) {
+		snprintf(tmp, sizeof(tmp), "%d", n);
+		append(buf, tmp);
+		append(buf, " " txt);
+		if (n != 1)
+			append(buf, "s");
+		terms--;
+		if (orgterms > 1) {
+			if (terms == 1)
+				append(buf, " and ");
+			else if (terms > 1)
+				append(buf, ", ");
 		}
-	 } while(0)
+	}
 }
 */
 
@@ -269,8 +278,10 @@
 
 
 /* returns allocated buffer, don't forget to free() */
-char* ttime(int yr, int mn, int wk, int dy) {
-	char* buf = xmalloc(128);
+char *
+ttime(int yr, int mn, int wk, int dy)
+{
+	char *buf = xmalloc(128);
 	int size = 128;
 	int terms, orgterms;
 	char tmp[128];
@@ -292,8 +303,13 @@
 
 
 
-/* lists the birthdays in their string format, one by one, and passes the string to a function. */
-void liststrings(struct event* evl, prnfunc outf) {
+/*
+lists the birthdays in their string format, one by one, and passes
+the string to a function.
+*/
+void
+liststrings(struct event *evl, prnfunc outf)
+{
 	int i,j;
 	char *buf, *tmp;
 	int size;
@@ -356,16 +372,24 @@
 
 
 
-/* sort the events by the time before the next time they come up, putting those
-	 where the start has passed but we are still in the time-period first */
-int evcmp(const void* p1, const void* p2) {
-	struct event* e1=(struct event*) p1;
-	struct event* e2=(struct event*) p2;
+/*
+sort the events by the time before the next time they come up,
+putting those where the start has passed but we are still in the
+time-period first
+*/
+int
+evcmp(const void *p1, const void *p2)
+{
+	struct event *e1=(struct event *) p1;
+	struct event *e2=(struct event *) p2;
 	unsigned d1, d2;
 
-	/* if the delta for the enddate is less than that for the start date, then we
-		have passed the start date but not yet the end date, and so we should
-		display the enddate; otherwise, we should display the start date */
+	/*
+	if the delta for the enddate is less than that for the start
+	date, then we have passed the start date but not yet the end
+	date, and so we should display the enddate; otherwise, we
+	should display the start date
+	*/
 
 	d1=delta(&(e1->date));
 	if (e1->enddate.day && delta(&(e1->enddate)) < d1)
@@ -386,9 +410,13 @@
 
 
 
-/* difference in days between two dates */
-/* it is assumed that D1 < D2, and so the result is always positive */
-unsigned ddiff(struct date* D1, struct date* D2) {
+/*
+difference in days between two dates
+it is assumed that D1 < D2, and so the result is always positive
+*/
+unsigned
+ddiff(struct date *D1, struct date *D2)
+{
 	struct date d1, d2;
 	int dd, m;
 
@@ -427,8 +455,10 @@
 	for (m=d1.month; m < d2.month + (d2.year-d1.year)*12; m++)
 		dd += mlen(((m-1)%12)+1, d1.year + m/12);
 
-	/* and then we renormalise for the days within the months */
-	/* the first month was included in our calculations */
+	/*
+	and then we renormalise for the days within the months
+	the first month was included in our calculations
+	*/
 	dd -= d1.day;
 	/* but the last one wasn't */
 	dd += d2.day;
@@ -443,8 +473,12 @@
 
 
 
-/* actually until the next anniversary of ... */
-unsigned delta(struct date *date) {
+/*
+actually until the next anniversary of ...
+*/
+unsigned
+delta(struct date *date)
+{
 	struct date d;
 	unsigned dt, mn;
 
@@ -472,7 +506,9 @@
 
 
 
-void gettoday(void) {
+void
+gettoday(void)
+{
 	struct tm *tm;
 	time_t t;
 
@@ -492,7 +528,9 @@
 
 
 
-struct event* readlist() {
+struct event *
+readlist()
+{
 	int i, j, k, l, d;
 	struct event *evl;
 	char buf[1024], buf2[1024];
@@ -524,7 +562,8 @@
 
 		*(ptr++) = 0;
 
-		j = sscanf(ptr, "%u-%u-%u", &(evl[i].date.year), &(evl[i].date.month), &(evl[i].date.day));
+		j = sscanf(ptr, "%u-%u-%u", &(evl[i].date.year),
+				&(evl[i].date.month), &(evl[i].date.day));
 		/* ... unless it wasn't read, in which case set it to zero */
 		if (j==2) {
 			evl[i].date.year = 0;
@@ -546,35 +585,35 @@
 			}
 
 			switch (FTABLE[k].flag) {
-				case F_WTIME_P: /* w <n> -- sets warning time */
-					sscanf(ptr + j, "w %u", &(evl[i].warn));
-					break;
-				case F_FORDAYS: /* for <days> -- sets the duration of the event */
-					sscanf(ptr + j, "for %u", &d);
-					evl[i].enddate=evl[i].date;
-					for (l = 1; l < d; l++) {
-						evl[i].enddate.day++;
-						if (evl[i].enddate.day > mlen(evl[i].enddate.month, evl[i].enddate.year)) {
-							evl[i].enddate.month++;
-							evl[i].enddate.day = 1;
-						}
-						if (evl[i].enddate.month > 12) {
-							evl[i].enddate.year++;
-							evl[i].enddate.month = 1;
-						}
+			case F_WTIME_P: /* w <n> -- sets warning time */
+				sscanf(ptr + j, "w %u", &(evl[i].warn));
+				break;
+			case F_FORDAYS: /* for <days> -- sets the duration of the event */
+				sscanf(ptr + j, "for %u", &d);
+				evl[i].enddate=evl[i].date;
+				for (l = 1; l < d; l++) {
+					evl[i].enddate.day++;
+					if (evl[i].enddate.day > mlen(evl[i].enddate.month, evl[i].enddate.year)) {
+						evl[i].enddate.month++;
+						evl[i].enddate.day = 1;
 					}
-					break;
-				case F_TODATE: /* to <date> -- sets the end date of the event */
-					l = sscanf(ptr + j, "to %u-%u-%u", &(evl[i].enddate.year), &(evl[i].enddate.month), &(evl[i].enddate.day));
-					if (l == 2) {
-						evl[i].enddate.year = 0;
+					if (evl[i].enddate.month > 12) {
+						evl[i].enddate.year++;
+						evl[i].enddate.month = 1;
 					}
-					break;
-				case 0:
-					break;
-				default:
-					flags |= FTABLE[k].flag;
-					break;
+				}
+				break;
+			case F_TODATE: /* to <date> -- sets the end date of the event */
+				l = sscanf(ptr + j, "to %u-%u-%u", &(evl[i].enddate.year), &(evl[i].enddate.month), &(evl[i].enddate.day));
+				if (l == 2) {
+					evl[i].enddate.year = 0;
+				}
+				break;
+			case 0:
+				break;
+			default:
+				flags |= FTABLE[k].flag;
+				break;
 			}
 		}
 
@@ -632,7 +671,9 @@
 
 
 
-int skptok(int j, char *ptr) {
+int
+skptok(int j, char *ptr)
+{
 	for (; ptr[j] != 0 &&  ptr[j] != ' ' && ptr[j] != '\t' ; j++);
 	for (; ptr[j] != 0 && (ptr[j] == ' ' || ptr[j] == '\t'); j++);
 
@@ -644,9 +685,10 @@
 
 
 
-int main(int argc, char* argv[]) {
-
-  while (--argc > 0 && (*++argv)[0] == '-') {
+int
+main(int argc, char *argv[])
+{
+	while (--argc > 0 && (*++argv)[0] == '-') {
 		if (strcmp(argv[0], "-W") == 0) {
 			/* TODO: catch if no value given */
 			iDWarn = atoi((++argv)[0]);
@@ -659,5 +701,5 @@
 
 	liststrings(readlist(), puts);
 
-  return 0;
+	return 0;
 }