mirror of
https://github.com/cc65/cc65.git
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111 lines
2.6 KiB
C
111 lines
2.6 KiB
C
/* Calendar-clock test program
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**
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** 2018-Sep-25, chris@groessler.org
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** 2019-Dec-30, Greg King
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <errno.h>
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#ifdef __CC65__
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#include <conio.h>
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#include <cc65.h>
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#endif
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static int print_time(void)
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{
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struct tm *cur_tm;
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time_t cur_time = time(NULL);
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if (cur_time == -1) {
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printf("time() failed: %s\n", strerror(errno));
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return 1;
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}
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cur_tm = localtime(&cur_time);
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printf("time: %s\n", asctime(cur_tm));
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// DEBUG:
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printf("year=%d, mon=%d, mday=%d\nhour=%d, min=%d, sec=%d\n",
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cur_tm->tm_year, cur_tm->tm_mon, cur_tm->tm_mday,
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cur_tm->tm_hour, cur_tm->tm_min, cur_tm->tm_sec);
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return 0;
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}
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int main(int argc, char **argv)
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{
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char c;
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int s;
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struct tm cur_time;
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struct timespec new_time;
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#ifdef __CC65__
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/* If DOS automatically will clear the screen after the program exits,
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** then wait for a key-press.
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*/
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if (doesclrscrafterexit())
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atexit((void (*)(void))cgetc);
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#endif
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if (argc == 1) {
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return print_time();
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}
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if (argc != 2) {
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#if defined(__APPLE2__)
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printf("USAGE: CALL2051 [:REM YY-MM-DD-HH-MM-SS]\n");
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#elif defined(__ATMOS__) || defined(__CBM__)
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printf("Usage: run [:rem YY-MM-DD-HH-MM-SS]\n");
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#else
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printf("Usage: %s [YY-MM-DD-HH-MM-SS]\n", argv[0]);
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#endif
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return 1;
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}
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memset(&cur_time, 0, sizeof cur_time);
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s = sscanf(argv[1], "%d-%d-%d-%d-%d-%d",
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&cur_time.tm_year, &cur_time.tm_mon, &cur_time.tm_mday,
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&cur_time.tm_hour, &cur_time.tm_min, &cur_time.tm_sec);
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if (s != 6 || cur_time.tm_year > 99 /* other input values aren't being verified */) {
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printf("Invalid date-time format\n");
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return 1;
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}
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cur_time.tm_year += 100; /* assume 21st century */
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--cur_time.tm_mon;
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memset(&new_time, 0, sizeof new_time);
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new_time.tv_sec = mktime(&cur_time);
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printf("\nYou are about to set the time to\n--> %s\nContinue (y/n)? ", ctime(&new_time.tv_sec));
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do {
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#ifdef __CC65__
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c = cgetc();
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#else
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c = getchar();
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#endif
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} while (c != 'y' && c != 'Y' && c != 'n' && c != 'N');
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printf("%c\n", c);
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if (c == 'n' || c == 'N') {
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printf("User abort\n");
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return 0;
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}
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s = clock_settime(CLOCK_REALTIME, &new_time);
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if (s) {
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printf("clock_settime() failed: %s\n", strerror(errno));
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return 1;
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}
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printf("Time set!\n\n");
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//DEBUG test begin
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return print_time();
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//DEBUG test end
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}
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/* Local Variables: */
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/* c-file-style: "cpg" */
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/* c-basic-offset: 4 */
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/* End: */
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