advent2025

commit 9adecfd73670bbfc70aca2444d0f84bca1552dbc
parent 94cb4aa2adc0d59f7a47b633167f80d1817e7af3
Author: bsandro <email@bsandro.tech>
Date:   Sun,  7 Dec 2025 23:36:30 +0200

btoi() is VLA now

Diffstat:
M
day06.c
 | 
6
+++---

1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/day06.c b/day06.c
@@ -6,7 +6,7 @@
 #define W 3772
 #define H 5
 
-int btoi(int buf[16], int bufl) {
+int btoi(int bufl, int buf[bufl]) {
     int num = 0;
     for (int i=0;i<bufl;++i) num = num*10+buf[i];
     return num;
@@ -31,7 +31,7 @@ uint64_t part2(char digits[H][W], int ymax, int x1, int x2, char op) {
             if (digits[y][x]!='0')
                 buf[bufl++] = digits[y][x]-'0';
         }
-        int num = btoi(buf, bufl);
+        int num = btoi(bufl, buf);
         if (num>0) {
             if (op=='+') res += num;
             if (op=='*') res *= num;
@@ -58,7 +58,7 @@ int main(void) {
             digits[y][xx++] = c;
         } else if (c==' '||c=='\n') {
             if (bufl!=0) {
-                numbers[y][x] = btoi(buf, bufl);
+                numbers[y][x] = btoi(bufl, buf);
                 bufl = 0;
                 x++;
             }