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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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17
cal.c
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@ -1,4 +1,5 @@
/* See LICENSE file for copyright and license details. */ /* See LICENSE file for copyright and license details. */
#include <limits.h>
#include <stdio.h> #include <stdio.h>
#include <stdlib.h> #include <stdlib.h>
#include <time.h> #include <time.h>
@ -136,8 +137,8 @@ usage(void)
int int
main(int argc, char *argv[]) main(int argc, char *argv[])
{ {
int year, month, ncols, nmons, fday;
struct tm *ltime; struct tm *ltime;
int year, ncols, nmons, month, fday;
time_t now; time_t now;
now = time(NULL); now = time(NULL);
@ -162,16 +163,16 @@ main(int argc, char *argv[])
} }
break; break;
case 'c': case 'c':
ncols = estrtol(EARGF(usage()), 0); ncols = estrtonum(EARGF(usage()), 0, INT_MAX);
break; break;
case 'f': case 'f':
fday = estrtol(EARGF(usage()), 0); fday = estrtonum(EARGF(usage()), 0, 6);
break; break;
case 'm': /* Monday */ case 'm': /* Monday */
fday = 1; fday = 1;
break; break;
case 'n': case 'n':
nmons = estrtol(EARGF(usage()), 0); nmons = estrtonum(EARGF(usage()), 1, INT_MAX);
break; break;
case 's': /* Sunday */ case 's': /* Sunday */
fday = 0; fday = 0;
@ -195,10 +196,10 @@ main(int argc, char *argv[])
switch (argc) { switch (argc) {
case 2: case 2:
month = estrtol(argv[0], 0); month = estrtonum(argv[0], 1, 12);
argv++; argv++;
case 1: case 1:
year = estrtol(argv[0], 0); year = estrtonum(argv[0], 0, INT_MAX);
break; break;
case 0: case 0:
break; break;
@ -206,10 +207,6 @@ main(int argc, char *argv[])
usage(); usage();
} }
if (ncols < 0 || month < 1 || month > 12 || nmons < 1 || fday < 0 || fday > 6) {
usage();
}
drawcal(year, month - 1, ncols, nmons, fday); drawcal(year, month - 1, ncols, nmons, fday);
return 0; return 0;