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- /*
- * $Header: utils.c,v 2.8 91/03/27 16:46:39 billr Exp $
- */
- /*
- * utils.c
- *
- * calentool - a year/month/week/day-at-a-glance calendar for Sun workstations.
- *
- * Author: Philip Heller, Sun Microsystems. Inc. <terrapin!heller@sun.com>
- *
- * Original source Copyright (C) 1987, Sun Microsystems, Inc.
- * All Rights Reserved
- * Permission is hereby granted to use and modify this program in source
- * or binary form as long as it is not sold for profit and this copyright
- * notice remains intact.
- *
- *
- * Changes/additions by: Bill Randle, Tektronix, Inc. <billr@saab.CNA.TEK.COM>
- *
- * Changes and additions Copyright (C) 1988, 1989, 1991 Tektronix, Inc.
- * All Rights Reserved
- * Permission is hereby granted to use and modify the modifications in source
- * or binary form as long as they are not sold for profit and this copyright
- * notice remains intact.
- * Modified parse_date to allow +nnn and -nnn syntax for dates relative to the
- * current date. Peter Marshall <peter.marshall@uwo.ca>. 1989-09-19.
- */
- /********************************************
- * *
- * Utility routines. *
- * *
- ********************************************/
-
-
-
- #include "ct.h"
- #include <stdio.h>
- #ifndef NOTOOL
- #include <suntool/sunview.h>
- #include <suntool/canvas.h>
- #endif /* NOTOOL */
- #include <ctype.h>
- #include <sys/types.h>
- #include <sys/time.h>
- #include <sys/file.h>
- #include <sys/stat.h>
- #include <sys/errno.h>
-
-
- extern struct tm today, current;
- extern struct tm First;
- extern int day_is_open, read_only;
- extern int n_slots;
- extern struct dayslot *slots;
- extern char apts_pathname[], tmpapts_pathname[];
- extern char *progname;
- extern int one_based, version2, new_entry;
- extern char apts_dir[], lib_dir[];
- extern int include_old, save_old, expire_days;
- #ifndef NOTOOL
- extern Frame frame;
- extern Canvas canvas;
- extern Pixwin *main_pixwin;
- extern int mainsw_state;
- extern Pixfont *font, *sfont;
- extern Frame prompt_frame;
- extern int update_interval;
- extern int monday_first, hour24, day_first;
- #endif /* NOTOOL */
- extern int week_ofs;
- extern int errno;
-
- char inbuf[512], strbuf[256], errbuf[128];
- char clockstr[32];
- static int include_level = 0;
- static int log_to_console;
- char *daynames[] = {"Sunday","Monday","Tuesday","Wednesday",
- "Thursday","Friday","Saturday"};
- char *monthnames[] = {"January","February","March","April",
- "May","June","July","August",
- "September","October","November","December"};
- char *smonthnames[] = {"Jan","Feb","Mar","Apr",
- "May","Jun","Jul","Aug",
- "Sep","Oct","Nov","Dec"};
- char *dayname[8] = {"SU", "MO", "TU", "WE", "TH", "FR", "SA", "MF"};
-
- extern char *strcpy(), *strcat();
-
- /*
- * sets "today" and current time
- */
- void
- get_today()
- {
- struct tm *tm;
- struct timeval tv;
- char timstr[16];
-
- gettimeofday(&tv, 0);
- tm = localtime(&tv.tv_sec);
-
- today = *tm;
-
- #ifndef CALENCHECK
- if (day_first)
- sprintf(clockstr, "%3.3s %d %s %d, ", daynames[today.tm_wday],
- today.tm_mday, smonthnames[today.tm_mon], today.tm_year+1900);
- else
- sprintf(clockstr, "%3.3s %s %d %d, ", daynames[today.tm_wday],
- smonthnames[today.tm_mon], today.tm_mday, today.tm_year+1900);
- if (update_interval >= 60)
- sprintf(timstr, "%02d:%02d", today.tm_hour, today.tm_min);
- else
- sprintf(timstr, "%02d:%02d:%02d", today.tm_hour, today.tm_min, today.tm_sec);
- if (!hour24) {
- /* display am/pm for 12-hour time */
- if (today.tm_hour > 12) {
- strcat(timstr, "pm");
- timstr[0] = ((today.tm_hour - 12) / 10) + '0';
- timstr[1] = ((today.tm_hour - 12) % 10) + '0';
- } else if (today.tm_hour == 12) {
- strcat(timstr, "pm");
- } else {
- strcat(timstr, "am");
- }
- if (timstr[0] == '0')
- timstr[0] = ' ';
- }
- strcat(clockstr, timstr);
- #endif /* CALENCHECK */
- }
-
- /*
- * Reset some values in current tm structure. Year, month and
- * day-of-month are valid but day and/or month may be < 0 or
- * greater than the maximum value, in which case they are adjusted
- * accordingly. Day-of-year and day-of-week are then recalculated.
- */
- void
- fix_current_day()
- {
- int month, totdays = 0;
- struct tm from, to;
-
- if (current.tm_mon < JAN) {
- current.tm_mon = DEC;
- current.tm_year--;
- } else if (current.tm_mon > DEC) {
- current.tm_mon = JAN;
- current.tm_year++;
- }
- if (current.tm_mday < 1) {
- current.tm_mon--;
- if (current.tm_mon < JAN) {
- current.tm_mon = DEC;
- current.tm_year--;
- }
- current.tm_mday += monthlength(current.tm_mon);
- } else if (current.tm_mday > monthlength(current.tm_mon)) {
- current.tm_mday -= monthlength(current.tm_mon);
- current.tm_mon++;
- if (current.tm_mon > DEC) {
- current.tm_mon = JAN;
- current.tm_year++;
- }
- }
- current.tm_yday = day_of_year((double)current.tm_mday, current.tm_mon+1, current.tm_year+1900) - 1;
- current.tm_wday = get_day_of_week((double)current.tm_mday, current.tm_mon+1, current.tm_year+1900);
- }
-
- /*
- * Compares two sets of year/month/day. Returns -1 if the first is earlier than
- * the second, +1 if later, 0 if they are the same.
- */
- ymd_compare(day0, day1)
- struct tm day0, day1;
- {
- if (day0.tm_year > day1.tm_year) return(1);
- if (day0.tm_year < day1.tm_year) return(-1);
- if (day0.tm_mon > day1.tm_mon) return(1);
- if (day0.tm_mon < day1.tm_mon) return(-1);
- if (day0.tm_mday > day1.tm_mday) return(1);
- if (day0.tm_mday < day1.tm_mday) return(-1);
- return(0);
- }
-
- /*
- * Compares two sets of year/month/day. Returns -1 if the first is earlier than
- * the second, +1 if later, 0 if they are the same. Similar to
- * ymd_compare() only compares given date to date of an appt entry.
- */
- ymd2_compare(day0, aday)
- struct tm *day0;
- struct appt_entry *aday;
- {
- if (day0->tm_year > aday->year) return(1);
- if (day0->tm_year < aday->year) return(-1);
- if (day0->tm_mon > aday->month) return(1);
- if (day0->tm_mon < aday->month) return(-1);
- if (day0->tm_mday > aday->day) return(1);
- if (day0->tm_mday < aday->day) return(-1);
- return(0);
- }
-
- int
- monthlength(month)
- int month;
- {
- static int monthlengths[] = {31,28,31,30,31,30,31,31,30,31,30,31};
-
- if (month == FEB && (length_of_year(current.tm_year + 1900) == 366))
- return(29);
- else
- return(monthlengths[month]);
- }
-
- /*
- *
- * Append data from active timeslots to end of "tmp.appointments"
- * file, then copy "tmp.appointments" to "appointments". Note that
- * when we opened the current day we filtered "appointments":
- * all items that applied to the current day were displayed and
- * stored in slots; all others were copied to "tmp.appointments".
- * So by now "tmp.appointments" contains no entries for the
- * current day.
- * As an optimization, if nothing changed in the day then the
- * original appointments file is left unchanged.
- *
- */
-
- close_day()
- {
- int i, j;
- FILE *f;
- struct stat sbuf;
- struct appt_entry *aptr, *optr;
-
- if (read_only || !new_entry) {
- new_entry = 0;
- day_is_open = FALSE;
- return(0);
- }
-
- #ifndef CALENCHECK
- f = fopen(tmpapts_pathname, "a+");
- if (f == NULL) {
- err_rpt("can't open temp file for appending", NON_FATAL);
- day_is_open = FALSE;
- return(1);
- }
-
- for (i=0; i<n_slots; i++) {
- if (slots[i].first != NULL) {
- aptr = slots[i].first;
- if (put_aentry(f, aptr))
- /* write error */
- break;
- optr = aptr;
- while (aptr = aptr->next) {
- free(optr);
- if (put_aentry(f, aptr))
- /* write error */
- break;
- optr = aptr;
- }
- free(optr);
- }
- }
- if (ferror(f))
- err_rpt("write on temp file failed", FATAL);
- fclose(f);
- new_entry = 0;
- day_is_open = FALSE;
- /* don't rename zero length files */
- stat(tmpapts_pathname, &sbuf);
- if (sbuf.st_size == (off_t) 0)
- return(1);
- xrename(tmpapts_pathname, apts_pathname);
- #endif /* CALENCHECK */
- return(0);
- }
-
- /*
- * get entry from appointments file
- */
- get_aentry(apts_file, appt, noInclude, noUmkNotes, target)
- FILE *apts_file;
- struct appt_entry *appt;
- int noInclude;
- int noUmkNotes;
- int target;
- {
- char *ptr, *str;
- char *fgets(), *index();
- char *incl_ptr, incl_buf[128], wday[3];
- int i, lib, parse_options, nodata = 1;
- int n, nflag, lrange, hrange;
- struct stat sbuf;
- static FILE *include[MAX_INCLUDE_NESTING];
-
- appt->flags = appt->repeat = appt->lookahead = 0;
- appt->sindex = 0;
- appt->runlength = 0;
- appt->warn = 10;
- appt->next = NULL;
- /* If noInclude is set then don't follow include files, i.e.
- * treat #include directives as comments. This is useful for
- * copying the appts file.
- */
- while (nodata) {
- if (include_level) {
- if (fgets(inbuf, 512, include[include_level-1]) == NULL) {
- /* end of include file - get next entry
- * from previous level of nesting
- */
- unwind:
- fclose(include[include_level-1]);
- include_level--;
- } else {
- /* don't modify stuff from include files */
- appt->flags |= READONLY;
- nodata = 0; /* still data in file */
- }
- } else {
- if (fgets(inbuf, 512, apts_file) == NULL)
- return(EOF);
- else
- nodata = 0; /* still data in file */
- }
- }
- ptr = inbuf;
- if (noInclude && *ptr == '#') {
- appt->flags |= A_COMMENT;
- return(0);
- }
- if (*ptr == '#') {
- if (!include_level && (!strcmp(inbuf, OHEADER) ||
- !strncmp(inbuf, HEADER, 18))) {
- /* first line in base file read */
- if (include_old && (First.tm_year <= today.tm_year)) {
- /* read in old include file (if it exists) */
- /* prepend directory info */
- sprintf(incl_buf, "%s.%02d",
- apts_pathname, First.tm_year);
- if (!stat(incl_buf, &sbuf)) {
- if ((include[include_level] = fopen(incl_buf, "r")) == NULL) {
- strcpy(errbuf, "can't open include file <");
- strcat(errbuf, incl_buf);
- strcat(errbuf, "> (ignored)");
- err_rpt(errbuf, NON_FATAL);
- } else
- include_level++;
- }
- }
- if (!strcmp(inbuf, OHEADER))
- /* substitute new header format */
- strcpy(inbuf, HEADER);
- } else if (!strncmp(inbuf, HEADER, 18)) {
- /* found a ver 2.2 header - get statistics */
- n = sscanf(inbuf, "%*[^-]- nflag=%d range=%d,%d",
- &nflag, &lrange, &hrange);
- if (n == 3 && include_level) {
- /* proper match found */
- if (noUmkNotes && nflag)
- goto unwind;
- if (target && (target < lrange || target > hrange))
- goto unwind;
- }
- } else if (!strncmp(inbuf, "#include", 8)) {
- /* include file */
- if (include_level > MAX_INCLUDE_NESTING) {
- err_rpt("include files nested too deep (ignored)", NON_FATAL);
- appt->flags |= A_COMMENT;
- return(0);
- }
- incl_ptr = strbuf;
- if ((ptr = index(inbuf, '"')) == NULL)
-
- if ((ptr = index(inbuf, '<')) == NULL) {
- err_rpt("missing '\"' or '<' in include file spec", NON_FATAL);
- appt->flags |= A_COMMENT;
- return(0);
- } else {
- lib = 1;
- }
- else
- lib = 0;
- ptr++;
- while (*ptr && *ptr != '"' && *ptr != '>')
- *incl_ptr++ = *ptr++;
- if (! *ptr) {
- err_rpt("missing '\"' or '>' in include file spec", NON_FATAL);
- appt->flags |= A_COMMENT;
- return(0);
- }
- *incl_ptr = '\0';
- if (strbuf[0] == '/')
- /* full pathname provided */
- strcpy(incl_buf, strbuf);
- else
- /* prepend directory info */
- if (lib)
- sprintf(incl_buf, "%s/%s", lib_dir, strbuf);
- else
- sprintf(incl_buf, "%s/%s", apts_dir, strbuf);
- if ((include[include_level] = fopen(incl_buf, "r")) == NULL) {
- strcpy(errbuf, "can't open include file <");
- strcat(errbuf, incl_buf);
- strcat(errbuf, "> (ignored)");
- err_rpt(errbuf, NON_FATAL);
- } else
- include_level++;
- }
- appt->flags |= A_COMMENT;
- return(0);
- }
- while (isspace(*ptr))
- ++ptr;
- if (!*ptr) {
- /* empty line */
- appt->flags |= A_COMMENT;
- return(0);
- }
- if (*ptr == '*') {
- appt->flags |= ALL_YEARS;
- appt->year = START_YEAR;
- ++ptr; /* point to second '*' */
- ++ptr; /* point to space */
- } else {
- appt->year = 0;
- while (isdigit(*ptr)) {
- appt->year *= 10;
- appt->year += *ptr++ - '0';
- }
- /* sanity check */
- if (appt->year < 0) {
- sprintf(errbuf, "illegal year value [%d] (ignored)", appt->year);
- err_rpt(errbuf, NON_FATAL);
- return(1);
- }
- }
- while (isspace(*ptr))
- ++ptr;
- if (*ptr == '*') {
- appt->flags |= ALL_MONTHS;
- appt->month = 0;
- ++ptr;
- } else {
- appt->month = (*ptr - '0') * 10;
- appt->month += *++ptr - '0';
- if (one_based) (appt->month)--;
- /* sanity check */
- if (appt->month < JAN || appt->month > DEC) {
- sprintf(errbuf, "illegal month value [%d] (ignored)", appt->month);
- err_rpt(errbuf, NON_FATAL);
- return(1);
- }
- }
- ++ptr;
- while (isspace(*ptr))
- ++ptr;
- if (*ptr == '*') {
- appt->flags |= ALL_DAYS;
- appt->day = 1;
- appt->repeat = 1;
- ++ptr;
- } else if (isdigit(*ptr)) {
- appt->day = (*ptr - '0') * 10;
- appt->day += *++ptr - '0';
- if (!one_based) (appt->day)++;
- /* sanity check */
- if (appt->day < 1 || appt->day > 31) {
- sprintf(errbuf, "illegal day value [%d] (ignored)", appt->day);
- err_rpt(errbuf, NON_FATAL);
- return(1);
- }
- } else {
- /* check for day names */
- wday[0] = islower(*ptr) ? toupper(*ptr) : *ptr;
- ++ptr;
- wday[1] = islower(*ptr) ? toupper(*ptr) : *ptr;
- wday[2] = '\0';
- i = 0;
- if (!strcmp(wday, dayname[i++]))
- appt->flags |= EVERY_SUN;
- else if (!strcmp(wday, dayname[i++]))
- appt->flags |= EVERY_MON;
- else if (!strcmp(wday, dayname[i++]))
- appt->flags |= EVERY_TUE;
- else if (!strcmp(wday, dayname[i++]))
- appt->flags |= EVERY_WED;
- else if (!strcmp(wday, dayname[i++]))
- appt->flags |= EVERY_THU;
- else if (!strcmp(wday, dayname[i++]))
- appt->flags |= EVERY_FRI;
- else if (!strcmp(wday, dayname[i++]))
- appt->flags |= EVERY_SAT;
- else if (!strcmp(wday, dayname[i]))
- appt->flags |= EVERY_MON_FRI;
- else {
- /* sanity check */
- sprintf(errbuf, "illegal day name [%s] (ignored)", wday);
- err_rpt(errbuf, NON_FATAL);
- return(1);
- }
- appt->day = 1;
- if (appt->flags & EVERY_MON_FRI) {
- appt->repeat = 1;
- } else {
- appt->flags |= REPEAT;
- appt->repeat = ALL_WEEKS; /* default to every week */
- }
- }
- ++ptr;
- while (isspace(*ptr))
- ++ptr;
- appt->hour = (*ptr - '0') * 10;
- appt->hour += *++ptr - '0';
- /* sanity check */
- if (appt->hour < 0 || (appt->hour > 23 && appt->hour != 99)) {
- sprintf(errbuf, "illegal hour value [%d] (ignored)", appt->hour);
- err_rpt(errbuf, NON_FATAL);
- return(1);
- }
- if ((version2 && appt->hour == 99) || (!version2 && appt->hour == 0))
- appt->flags |= A_NOTE;
- ++ptr;
- while (isspace(*ptr))
- ++ptr;
- appt->minute = (*ptr - '0') * 10;
- appt->minute += *++ptr - '0';
- /* sanity check */
- if (appt->minute < 0 || (appt->minute > 59 && appt->minute != 99)) {
- /* minutes currently can only be 00 or 30
- * unless it's a note.
- */
- sprintf(errbuf, "illegal minute value [%d] (ignored)", appt->minute);
- err_rpt(errbuf, NON_FATAL);
- return(1);
- }
- if ((appt->flags & A_NOTE) && version2 && appt->minute == 99)
- appt->flags |= MARKED; /* don't show in mon/yr display */
- ++ptr;
- while (isspace(*ptr))
- ++ptr;
- appt->arrows = (*ptr - '0') * 10;
- appt->arrows += *++ptr - '0';
- /* sanity check */
- if (appt->arrows < 0 || appt->arrows > 48) {
- sprintf(errbuf, "illegal arrow value [%d] (ignored)", appt->arrows);
- err_rpt(errbuf, NON_FATAL);
- return(1);
- }
- ++ptr;
- while (isspace(*ptr))
- ++ptr;
- /* lookahead and repeat entries are free format, i.e. they */
- /* can occur in any order */
- parse_options = TRUE;
- while (parse_options) {
- switch (*ptr) {
- case '\\':
- /* start of string text */
- parse_options = FALSE;
- ++ptr;
- break;
-
- case '%':
- /* advance warning time (minutes) */
- appt->warn = 0;
- while (isdigit(*++ptr))
- appt->warn = appt->warn * 10 + (int)(*ptr - '0');
- if (appt->warn < 0) {
- err_rpt("illegal advance warning (ignored)", NON_FATAL);
- appt->warn = 10;
- }
- break;
-
- case '[':
- /* repeating appointment */
- appt->flags |= REPEAT;
- if (appt->flags & EVERY_SOMEDAY) {
- if ((appt->repeat = do_wk_repeat(&ptr)) < 0)
- return(1);
- } else {
- if ((appt->repeat = do_repeat(&ptr)) < 0)
- return(1);
- }
- break;
-
- case '<':
- /* remind us ahead of time */
- appt->flags |= LOOKAHEAD;
- if ((appt->lookahead = do_lookahead(&ptr)) < 0)
- return(1);
- break;
-
- case '+':
- /* this appointment lasts for n days */
- appt->flags |= RUN;
- while (isdigit(*++ptr))
- appt->runlength = appt->runlength * 10 + (int)(*ptr - '0');
- if (appt->runlength < 0)
- return(1);
- if (!(appt->flags & REPEAT)) {
- /* default to run of days */
- appt->flags |= REPEAT;
- appt->repeat = 1;
- }
- break;
-
- case '#':
- /* deleted appointment */
- appt->flags |= DELETED;
- ++ptr;
- break;
-
- default:
- parse_options = FALSE;
- break;
- }
- while (isspace(*ptr))
- ++ptr;
- }
- str = strbuf;
- while (*ptr && *ptr != '\n')
- *str++ = *ptr++;
- *str = '\0';
- strcpy(appt->str, strbuf);
- if (appt->flags & DELETED)
- /* ignore some flags */
- appt->flags &= ~(RUN | REPEAT);
-
- return(0);
- }
-
- /* parse normal repeated entry field */
- do_repeat(ptr)
- char **ptr;
- {
- int repeat = 0;
-
- while (isdigit(*++*ptr))
- repeat = repeat * 10 + (int)(**ptr - '0');
- if (**ptr != ']') {
- err_rpt("bad entry (ignored)", NON_FATAL);
- return(-1);
- }
- /* sanity check */
- if (repeat < 0) {
- err_rpt("illegal repeat interval (ignored)", NON_FATAL);
- return(-1);
- }
- ++*ptr;
- return(repeat);
- }
-
- /* parse weekly repeated entry field */
- do_wk_repeat(ptr)
- char **ptr;
- {
- int repeat = 0;
-
- while (*++*ptr != ']') {
- if (**ptr == ',')
- continue; /* get next week */
- if (isdigit(**ptr)) {
- repeat |= 0x1<<(**ptr - '1');
- } else if (**ptr == 'L' || **ptr == 'l') {
- /* last week in month */
- repeat |= LAST_WEEK;
- } else {
- /* format error */
- err_rpt("illegal repeat specification (ignored)", NON_FATAL);
- return(-1);
- }
- }
- /* sanity check */
- if ((unsigned int)repeat > WEEK_LIMIT) {
- err_rpt("illegal weekly repeat (ignored)", NON_FATAL);
- return(-1);
- }
- ++*ptr;
- return(repeat);
- }
-
- /* parse lookahead entry field */
- do_lookahead(ptr)
- char **ptr;
- {
- int lookahead = 0;
-
- while (isdigit(*++*ptr))
- lookahead = lookahead * 10 + (int)(**ptr - '0');
- if (**ptr != '>') {
- err_rpt("bad entry (ignored)", NON_FATAL);
- return(-1);
- }
- /* sanity check */
- if (lookahead < 0) {
- err_rpt("illegal lookahead interval (ignored)", NON_FATAL);
- return(-1);
- }
- ++*ptr;
- return(lookahead);
- }
-
- #ifndef CALENCHECK
- /*
- * put entry into appointments file
- */
- put_aentry(apts_file, appt)
- FILE *apts_file;
- struct appt_entry *appt;
- {
- char *to_str();
-
- if (read_only)
- return(0);
-
- if (appt->flags & READONLY)
- /* don't copy include file entries */
- /* (the include directive is copied as a comment) */
- return(0);
- if (appt->flags & A_COMMENT) {
- fputs(inbuf, apts_file);
- return(ferror(apts_file));
- }
- if (appt->flags & ALL_YEARS)
- fputs("** ", apts_file);
- else if (appt->year > 99)
- fprintf(apts_file, "%03d ", appt->year);
- else
- fprintf(apts_file, "%02d ", appt->year);
- if (appt->flags & ALL_MONTHS)
- fputs("** ", apts_file);
- else
- fprintf(apts_file, "%02d ", one_based ? appt->month+1 : appt->month);
- if (appt->flags & ALL_DAYS)
- fputs("** ", apts_file);
- else if (appt->flags & EVERY_SOMEDAY) {
- switch (appt->flags & EVERY_SOMEDAY) {
- case EVERY_SUN:
- fputs("Su ", apts_file);
- break;
- case EVERY_MON:
- fputs("Mo ", apts_file);
- break;
- case EVERY_TUE:
- fputs("Tu ", apts_file);
- break;
- case EVERY_WED:
- fputs("We ", apts_file);
- break;
- case EVERY_THU:
- fputs("Th ", apts_file);
- break;
- case EVERY_FRI:
- fputs("Fr ", apts_file);
- break;
- case EVERY_SAT:
- fputs("Sa ", apts_file);
- break;
- }
- } else if (appt->flags & EVERY_MON_FRI) {
- fputs("MF ", apts_file);
- } else
- fprintf(apts_file, "%02d ", one_based ? appt->day : appt->day-1);
- if (appt->flags & A_NOTE) {
- appt->hour = 99;
- appt->minute = 0; /* assume unmarked note */
- }
- if ((appt->flags & MARKED_NOTE) == MARKED_NOTE)
- appt->minute = 99;
- if (!(appt->flags & (ALL_DAYS|DELETED|EVERY_MON_FRI)) && appt->flags & REPEAT) {
- if (appt->flags & EVERY_SOMEDAY)
- fprintf(apts_file, "%02d %02d %02d %s ", appt->hour, appt->minute, appt->arrows, to_str(appt->repeat));
- else
- fprintf(apts_file, "%02d %02d %02d [%d] ", appt->hour, appt->minute, appt->arrows, appt->repeat);
- } else
- fprintf(apts_file, "%02d %02d %02d ", appt->hour, appt->minute, appt->arrows);
-
- if (appt->flags & LOOKAHEAD)
- fprintf(apts_file, "<%d> ", appt->lookahead);
- if (appt->flags & RUN)
- fprintf(apts_file, "+%d ", appt->runlength);
- if (appt->warn != 10)
- fprintf(apts_file, "%%%d ", appt->warn);
- if (appt->flags & DELETED)
- fputs("# ", apts_file);
- if (isalnum(*(appt->str)))
- fprintf(apts_file, "%s\n", appt->str);
- else
- fprintf(apts_file, "\\%s\n", appt->str);
-
- /* check for failure (e.g. file system full) */
- return(ferror(apts_file));
- }
-
- char rptstr[10];
-
- /* convert repeat bit map to printable string */
- char *
- to_str(repeat)
- int repeat;
- {
- int i, j = 0;
-
- if (repeat == ALL_WEEKS)
- /* if it's every week, then don't write [] spec */
- rptstr[0] = '\0';
- else {
- rptstr[j++] = '[';
- for (i=0; i<5; i++) {
- if (repeat & (0x1<<i)) {
- rptstr[j++] = i+1 + '0';
- rptstr[j++] = ',';
- }
- }
- if (repeat & LAST_WEEK) {
- rptstr[j++] = 'L';
- rptstr[j++] = ',';
- }
- rptstr[j] = '\0';
- rptstr[--j] = ']';
- }
- return (rptstr);
- }
-
- /*
- * Convert from version 1 appts files to version 2 file format.
- */
- ver1to2()
- {
- FILE *oappts, *nappts, *fp;
- struct appt_entry appt;
- int err_flag, save_base;
- char save_file[128];
- struct stat stbuf;
-
- /*
- * The main difference is that the ver 2 files are one-based, i.e
- * days and months start with 1, rather than 0. Another difference
- * is that a hour entry of 99 is used to flag a memo entry, rather
- * than 00. This allows for 24-hour appointments.
- * Version 2 appts files are marked with a special header line
- * defined by the HEADER string (in ct.h). Version 2 files
- * also support a "lookahead" reminder service to remind one
- * in advance of a future appointment.
- * If "save_old" is set, then any appointments for years prior
- * to this one are saved in a special file of the form
- * ".appointments.YY", where YY is the year.
- */
-
- if (read_only != 0) {
- err_rpt("appts file is read-only, no conversion done", NON_FATAL);
- return;
- }
-
- /* open files, etc */
- if ((oappts = fopen(apts_pathname, "r")) == NULL) {
- err_rpt("can't open appts file for reading", FATAL);
- /* NOT REACHED */
- }
- if ((nappts = fopen(tmpapts_pathname, "w")) == NULL) {
- err_rpt("can't open temp file for writing", NON_FATAL);
- return;
- }
- /* write new header line */
- fputs(HEADER, nappts);
-
- /* copy existing entries to the new file */
- save_base = one_based;
- while ((err_flag = get_aentry(oappts, &appt, TRUE, 0, 0)) != EOF) {
- if (err_flag)
- continue; /* ignore badly formatted input */
- if (appt.hour == 0)
- appt.flags |= A_NOTE;
- one_based = 1; /* force new format output */
- if (save_old && !(appt.flags & ALL_YEARS) && (appt.year < today.tm_year)
- && !((appt.flags & REPEAT) && !(appt.flags & EVERY_SOMEDAY))
- && !(appt.flags & A_COMMENT)) {
- /* prepend directory info */
- sprintf(save_file, "%s.%02d",
- apts_pathname, appt.year);
- if (stat(save_file, &stbuf) && errno == ENOENT) {
- /* new file*/
- if ((fp = fopen(save_file, "w")) == NULL)
- err_rpt("can't open save file, bailing out", FATAL);
- fputs(HEADER, fp);
- fclose(fp);
- }
- if ((fp = fopen(save_file, "a+")) == NULL)
- err_rpt("can't open save file, bailing out", FATAL);
- else {
- if (put_aentry(fp, &appt))
- err_rpt("write to save appt file failed, bailing out", FATAL);
- fclose(fp);
- }
- } else {
- if (appt.flags & A_COMMENT)
- fputs(inbuf, nappts);
- else
- if (put_aentry(nappts, &appt))
- err_rpt("write to new appt file failed, bailing out", FATAL);
- }
- one_based = save_base; /* (maybe) force old format input */
- }
- fclose(oappts);
- fclose(nappts);
- xrename(tmpapts_pathname, apts_pathname);
- one_based = 1;
- version2 = 1;
- }
-
- /*
- * parse the date on the given string and reset the "current"
- * date to reflect that date. The date may take the form of a
- * day name (e.g. Tu, Tue, Tuesday) or a date in m/d/y format
- * where the month and/or year may be missing (e.g. 27 = 27th
- * of this month, 8/27 = August 27 of this year, 8/27/89 =
- * August 27 of 1989. If 'cmdline' is true, then the string
- * came from the command line '-d' option.
- * If the first character of the date is + or - scan the number and
- * use it as an offset in days from the current date. Thus -1 becomes
- * yesterday and +1 becomes tomorrow. pbm.
- */
- int
- parse_date(str, cmdline)
- char *str;
- int cmdline;
- {
- char c[4];
- int i, dow = -1, m = -1, d = -1, y = -1;
-
- if (isdigit(*str)) {
- /* must be a m/d/y date */
- /* assume it's a month first */
- m = *str++ - '0';
- if (isdigit(*str))
- m = m*10 + *str++ - '0';
- if (!*str) {
- /* no more chars => day only */
- d = m;
- m = -1;
- } else if (*str++ != '/') {
- if (cmdline)
- err_rpt("badly formed date for -d option (ignored)", NON_FATAL);
- else
- err_rpt("badly formed date - please reenter", NON_FATAL);
- return(1);
- } else {
- d = *str++ - '0';
- if (isdigit(*str))
- d = d*10 + *str++ - '0';
- if (*str++ == '/') {
- /* year also specified */
- y = *str++ - '0';
- if (isdigit(*str)) {
- y = y*10 + *str++ - '0';
- if (*str && isdigit(*str))
- y = y*10 + *str++ - '0';
- if (*str && isdigit(*str))
- y = y*10 + *str++ - '0';
- }
- }
- }
- if (y > 0) {
- if (y > 1900)
- y -= 1900;
- current.tm_year = y;
- }
- if (day_first) {
- if (m > 0) {
- current.tm_mon = d - 1;
- current.tm_mday = m;
- } else if (d > 0)
- current.tm_mday = d;
- } else {
- if (m > 0) {
- current.tm_mon = m - 1;
- current.tm_mday = d;
- } else if (d > 0)
- current.tm_mday = d;
- }
- fix_current_day();
- } else if (*str == '-' || *str == '+') {
- /*
- * If the argument begins with a + or - assume that it is an
- * offset in days from the current date. Use current date if the
- * number doesn't scan after the - or +. pbm
- */
- if (sscanf(str, "%d", &i) == 1) {
- current.tm_mday += i;
- fix_current_day();
- }
- } else {
- /* day of week */
- /* check for day names */
- c[0] = islower(*str) ? toupper(*str) : *str;
- ++str;
- c[1] = islower(*str) ? toupper(*str) : *str;
- c[2] = '\0';
- for (i=0; i<7; i++) {
- if (!strcmp(c, dayname[i])) {
- dow = i;
- break;
- }
- }
- if (dow >= 0) {
- /* match found */
- current.tm_mday += dow - current.tm_wday;
- fix_current_day();
- } else if (!strncmp(c, "TOM", 3)) {
- /* tommorrow */
- current.tm_mday++;
- fix_current_day();
- } else if (!strncmp(c, "YES", 3)) {
- /* yesterday */
- current.tm_mday--;
- fix_current_day();
- } else {
- if (cmdline)
- err_rpt("badly formed date for -d option (ignored)", NON_FATAL);
- else
- err_rpt("badly formed date - please reenter", NON_FATAL);
- return(1);
- }
- }
- return(0);
- }
- #endif /* CALENCHECK */
-
- /* set error logging flag */
- err2console(state)
- int state;
- {
- /*
- * if TRUE, forces error messages to the console, even
- * if the base frame is running
- */
- log_to_console = state;
- }
-
- /*
- * Error reporting. Try first to put message in a popup frame, then
- * the console, then stderr as a last resort.
- */
- err_rpt(errstr, fatal_flag)
- char *errstr;
- int fatal_flag;
- {
- FILE *f;
- int closed;
- char *getenv();
-
- #ifndef NOTOOL
- closed = (int) window_get(frame, FRAME_CLOSED);
- if (frame && !log_to_console && !closed) {
- /* base frame exists */
- create_prompt_frame(errstr, FALSE);
- (void) window_loop(prompt_frame);
- window_set(prompt_frame, WIN_SHOW, FALSE, 0);
- } else if ((f=fopen("/dev/console", "w")) != NULL) {
- #else
- if (getenv("WINDOW_PARENT") != NULL && (f=fopen("/dev/console", "w")) != NULL) {
- #endif
- fprintf(f, "%s: %s\n", progname, errstr);
- fclose(f);
- } else
- fprintf(stderr, "%s: %s\n", progname, errstr);
- if (fatal_flag)
- exit(1);
- }
-
- #ifndef CALENCHECK
- /* Clean-up */
- cleanup()
- {
- if (day_is_open)
- close_day();
-
- /* create outdated include files (if necessary) */
- if (save_old || expire_days)
- expire(expire_days);
-
- /* delete tmp file */
- if (access(tmpapts_pathname, R_OK) == 0 && unlink(tmpapts_pathname) < 0)
- perror(tmpapts_pathname);
- }
-
- char sysbuf[512];
-
- /* Rename files, copying if necessary */
- xrename(from, to)
- char *from, *to;
- {
- if (rename(from, to) == -1) {
- /* rename sys call fialed, try doing a copy */
- sprintf(sysbuf, "cp %s %s", from, to);
- if (system(sysbuf) != 0)
- err_rpt("couldn't rename/copy tmp file", NON_FATAL);
- }
- }
-
- /*
- * Conventional and ISO standard week numbers (week starts with monday)
- * Assume if moday_first is set TRUE then ISO format is desired.
- */
-
- week_number()
- {
- int week_n, week_d, W, r, day, year, leap;
-
- /* First day of this week */
- if (monday_first)
- week_d = (current.tm_wday?(current.tm_wday-1):6);
- else
- week_d = current.tm_wday;
- current.tm_mday -= week_d;
- fix_current_day();
- day = current.tm_yday + 1;
- week_n = day / 7 + 1; /* "Raw" week number */
- r = day % 7 - 1; /* No of days in the first week this year */
-
- if (!monday_first) {
- if (week_n == 53)
- week_n = 1;
- else if (r > 0 && day > r)
- if (++week_n == 53 && (day + 6) > length_of_year(current.tm_year+1900))
- week_n = 1;
- } else {
- if (r >= 4) week_n++; /* First week has more than three days */
- if (week_n == 53) { /* Week number of last week of year */
- year = current.tm_year + 1900;
- leap = (year % 4 == 0 && year % 100 != 0 || year % 400 == 0);
- day += 7 - ( leap ? 366 : 365 );
- W = day / 7 + 1;
- r = day % 7 - 1;
- if (r >= 4) W++;
- if (W == 2) week_n = 1;
- }
- }
- current.tm_mday += week_d;
- fix_current_day();
- return week_n;
- }
- #endif /* CALENCHECK */
-