sbase

suckless unix tools
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commit 5b92551057a694bb8796efcf7852b6845398d541
parent aae808fe5b9a3922ac441a29ca7544dcf702efd4
Author: Richard Ipsum <richardipsum@fastmail.co.uk>
Date:   Sun, 28 Apr 2019 21:26:25 +0100

cal: Centre month and year above calendar

Diffstat:
Mcal.c | 15+++++++++------
1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/cal.c b/cal.c @@ -3,6 +3,7 @@ #include <stdint.h> #include <stdio.h> #include <stdlib.h> +#include <string.h> #include <time.h> #include <unistd.h> @@ -93,12 +94,13 @@ printgrid(size_t year, int month, int fday, int line) static void drawcal(size_t year, int month, size_t ncols, size_t nmons, int fday) { - char *smon[] = {" January", " February", " March", " April", - " May", " June", " July", " August", - "September", " October", " November", " December" }; + char *smon[] = { "January", "February", "March", "April", + "May", "June", "July", "August", + "September", "October", "November", "December" }; char *days[] = { "Su", "Mo", "Tu", "We", "Th", "Fr", "Sa", }; size_t m, n, col, cur_year, cur_month, dow; - int line; + int line, pad; + char month_year[sizeof("Su Mo Tu We Th Fr Sa")]; for (m = 0; m < nmons; ) { n = m; @@ -109,8 +111,9 @@ drawcal(size_t year, int month, size_t ncols, size_t nmons, int fday) cur_month -= 12; cur_year += 1; } - printf(" %s %-4zu ", smon[cur_month], cur_year); - printf(" "); + snprintf(month_year, sizeof(month_year), "%s %zu", smon[cur_month], cur_year); + pad = sizeof(month_year) - 1 - strlen(month_year); + printf("%*s%s%*s ", pad / 2 + pad % 2, "", month_year, pad / 2, ""); } putchar('\n'); for (col = 0, m = n; m < nmons && col < ncols; ++col, ++m) {