[hackers] [sbase] Convert cal(1) to strtonum || FRIGN

From: <git_AT_suckless.org>
Date: Tue, 24 Mar 2015 23:53:24 +0100 (CET)

commit 8c359daee319b7fed45166c7965f6134b0a0d3cb
Author: FRIGN <dev_AT_frign.de>
Date: Fri Jan 30 16:01:10 2015 +0100

    Convert cal(1) to strtonum

diff --git a/cal.c b/cal.c
index 8a43452..2dfa8ad 100644
--- a/cal.c
+++ b/cal.c
_AT_@ -1,4 +1,5 @@
 /* See LICENSE file for copyright and license details. */
+#include <limits.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <time.h>
_AT_@ -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;
_AT_@ -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;
_AT_@ -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;
_AT_@ -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;
Received on Tue Mar 24 2015 - 23:53:24 CET