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Convert cal(1) to strtonum

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This commit is contained in:
FRIGN 2015-01-30 16:01:10 +01:00
parent 7a0c2669fb
commit 8c359daee3
1 changed files with 10 additions and 13 deletions
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23
cal.c
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@ -1,4 +1,5 @@
/* See LICENSE file for copyright and license details. */
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
@ -136,15 +137,15 @@ usage(void)
int
main(int argc, char *argv[])
{
int year, month, ncols, nmons, fday;
struct tm *ltime;
int year, ncols, nmons, month, fday;
time_t now;
now = time(NULL);
now = time(NULL);
ltime = localtime(&now);
year = ltime->tm_year + 1900;
year = ltime->tm_year + 1900;
month = ltime->tm_mon + 1;
fday = 0;
fday = 0;
ncols = 3;
nmons = 0;
@ -162,16 +163,16 @@ main(int argc, char *argv[])
}
break;
case 'c':
ncols = estrtol(EARGF(usage()), 0);
ncols = estrtonum(EARGF(usage()), 0, INT_MAX);
break;
case 'f':
fday = estrtol(EARGF(usage()), 0);
fday = estrtonum(EARGF(usage()), 0, 6);
break;
case 'm': /* Monday */
fday = 1;
break;
case 'n':
nmons = estrtol(EARGF(usage()), 0);
nmons = estrtonum(EARGF(usage()), 1, INT_MAX);
break;
case 's': /* Sunday */
fday = 0;
@ -195,10 +196,10 @@ main(int argc, char *argv[])
switch (argc) {
case 2:
month = estrtol(argv[0], 0);
month = estrtonum(argv[0], 1, 12);
argv++;
case 1:
year = estrtol(argv[0], 0);
year = estrtonum(argv[0], 0, INT_MAX);
break;
case 0:
break;
@ -206,10 +207,6 @@ main(int argc, char *argv[])
usage();
}
if (ncols < 0 || month < 1 || month > 12 || nmons < 1 || fday < 0 || fday > 6) {
usage();
}
drawcal(year, month - 1, ncols, nmons, fday);
return 0;